FAULHABER SR Series 2232 ... SR by FAULHABER

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Datasheet

Variants

DC-Micromotors Series 2232 ... SR

Precious Metal Commutation

Key Features

Nominal voltage:

6 ... 24 V

Rated torque up to:

10 mNm

No-load speed up to:

7410 min⁻¹

Stall torque up to:

59.2 mNm

Diameter:

22 mm

Length:

32.2 mm

Advantages

Powerful rare-earth magnet

Wide operating temperature range: -30 °C to +85 °C (optional to +125 °C)

All-steel housing with corrosion-resistant coating

No cogging torque, highly dynamic performance, precise speed control

Low current and starting voltage

Extremely compact and lightweight design with integrated encoder

Variants:

Series 2232U006SR

Series 2232U009SR

Series 2232U012SR

Series 2232U015SR

Series 2232U018SR

Series 2232U024SR

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.81 Ω
Efficiency, max.	η_max.	87 %
No-load speed	n₀	7160 min⁻¹
No-load current	I₀	0.0352 A
Stall torque	M_H	59 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	1190 min⁻¹/V
Back-EMF constant	k_E	0.84 mV/min⁻¹
Torque constant	k_M	8 mNm/A
Current constant	k_I	0.125 A/mNm
Slope of n-M curve	Δn/ΔM	121 min⁻¹/mNm
Rotor inductance	L	44.4 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	4.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	6.9 / 13 K/W
Thermal time constant	τ_w1/τ_w2	12 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, nickel plated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	9 V
Terminal resistance	R	2.14 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7410 min⁻¹
No-load current	I₀	0.0243 A
Stall torque	M_H	48.5 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	825 min⁻¹/V
Back-EMF constant	k_E	1.21 mV/min⁻¹
Torque constant	k_M	11.6 mNm/A
Current constant	k_I	0.087 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	93.1 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	6.9 / 13 K/W
Thermal time constant	τ_w1/τ_w2	12 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, nickel plated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	4.09 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7150 min⁻¹
No-load current	I₀	0.0176 A
Stall torque	M_H	46.7 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	597 min⁻¹/V
Back-EMF constant	k_E	1.68 mV/min⁻¹
Torque constant	k_M	16 mNm/A
Current constant	k_I	0.062 A/mNm
Slope of n-M curve	Δn/ΔM	153 min⁻¹/mNm
Rotor inductance	L	178 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	6.9 / 13 K/W
Thermal time constant	τ_w1/τ_w2	12 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, nickel plated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	15 V
Terminal resistance	R	6.61 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.014 A
Stall torque	M_H	45.4 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	474 min⁻¹/V
Back-EMF constant	k_E	2.1 mV/min⁻¹
Torque constant	k_M	20.1 mNm/A
Current constant	k_I	0.05 A/mNm
Slope of n-M curve	Δn/ΔM	156 min⁻¹/mNm
Rotor inductance	L	281 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	6.9 / 13 K/W
Thermal time constant	τ_w1/τ_w2	12 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, nickel plated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	9.04 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7150 min⁻¹
No-load current	I₀	0.0117 A
Stall torque	M_H	47.5 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	398 min⁻¹/V
Back-EMF constant	k_E	2.52 mV/min⁻¹
Torque constant	k_M	24 mNm/A
Current constant	k_I	0.042 A/mNm
Slope of n-M curve	Δn/ΔM	150 min⁻¹/mNm
Rotor inductance	L	399 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	6.9 / 13 K/W
Thermal time constant	τ_w1/τ_w2	12 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, nickel plated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	16.4 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7150 min⁻¹
No-load current	I₀	0.0088 A
Stall torque	M_H	46.5 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	299 min⁻¹/V
Back-EMF constant	k_E	3.36 mV/min⁻¹
Torque constant	k_M	32 mNm/A
Current constant	k_I	0.031 A/mNm
Slope of n-M curve	Δn/ΔM	153 min⁻¹/mNm
Rotor inductance	L	710 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	6.9 / 13 K/W
Thermal time constant	τ_w1/τ_w2	12 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, nickel plated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.81 Ω
Efficiency, max.	η_max.	87 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.035 A
Stall torque	M_H	59.2 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	1190 min⁻¹/V
Back-EMF constant	k_E	0.84 mV/min⁻¹
Torque constant	k_M	8.03 mNm/A
Current constant	k_I	0.125 A/mNm
Slope of n-M curve	Δn/ΔM	120 min⁻¹/mNm
Rotor inductance	L	45 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	4.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	9 V
Terminal resistance	R	2.14 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7400 min⁻¹
No-load current	I₀	0.0241 A
Stall torque	M_H	48.3 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	827 min⁻¹/V
Back-EMF constant	k_E	1.21 mV/min⁻¹
Torque constant	k_M	11.5 mNm/A
Current constant	k_I	0.087 A/mNm
Slope of n-M curve	Δn/ΔM	153 min⁻¹/mNm
Rotor inductance	L	90 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	4.09 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0175 A
Stall torque	M_H	46.8 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	595 min⁻¹/V
Back-EMF constant	k_E	1.68 mV/min⁻¹
Torque constant	k_M	16 mNm/A
Current constant	k_I	0.062 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	180 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	15 V
Terminal resistance	R	6.61 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0139 A
Stall torque	M_H	45.2 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	476 min⁻¹/V
Back-EMF constant	k_E	2.1 mV/min⁻¹
Torque constant	k_M	20.1 mNm/A
Current constant	k_I	0.05 A/mNm
Slope of n-M curve	Δn/ΔM	157 min⁻¹/mNm
Rotor inductance	L	280 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	9.04 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0116 A
Stall torque	M_H	47.6 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	397 min⁻¹/V
Back-EMF constant	k_E	2.52 mV/min⁻¹
Torque constant	k_M	24.1 mNm/A
Current constant	k_I	0.042 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	400 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	16.4 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0087 A
Stall torque	M_H	46.7 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	298 min⁻¹/V
Back-EMF constant	k_E	3.36 mV/min⁻¹
Torque constant	k_M	32.1 mNm/A
Current constant	k_I	0.031 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	710 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.81 Ω
Efficiency, max.	η_max.	87 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.035 A
Stall torque	M_H	59.2 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	1190 min⁻¹/V
Back-EMF constant	k_E	0.84 mV/min⁻¹
Torque constant	k_M	8.03 mNm/A
Current constant	k_I	0.125 A/mNm
Slope of n-M curve	Δn/ΔM	120 min⁻¹/mNm
Rotor inductance	L	45 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	4.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	9 V
Terminal resistance	R	2.14 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7400 min⁻¹
No-load current	I₀	0.0241 A
Stall torque	M_H	48.3 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	827 min⁻¹/V
Back-EMF constant	k_E	1.21 mV/min⁻¹
Torque constant	k_M	11.5 mNm/A
Current constant	k_I	0.087 A/mNm
Slope of n-M curve	Δn/ΔM	153 min⁻¹/mNm
Rotor inductance	L	90 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	4.09 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0175 A
Stall torque	M_H	46.8 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	595 min⁻¹/V
Back-EMF constant	k_E	1.68 mV/min⁻¹
Torque constant	k_M	16 mNm/A
Current constant	k_I	0.062 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	180 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	15 V
Terminal resistance	R	6.61 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0139 A
Stall torque	M_H	45.2 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	476 min⁻¹/V
Back-EMF constant	k_E	2.1 mV/min⁻¹
Torque constant	k_M	20.1 mNm/A
Current constant	k_I	0.05 A/mNm
Slope of n-M curve	Δn/ΔM	157 min⁻¹/mNm
Rotor inductance	L	280 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	9.04 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0116 A
Stall torque	M_H	47.6 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	397 min⁻¹/V
Back-EMF constant	k_E	2.52 mV/min⁻¹
Torque constant	k_M	24.1 mNm/A
Current constant	k_I	0.042 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	400 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	16.4 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0087 A
Stall torque	M_H	46.7 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	298 min⁻¹/V
Back-EMF constant	k_E	3.36 mV/min⁻¹
Torque constant	k_M	32.1 mNm/A
Current constant	k_I	0.031 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	710 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	0.81 Ω
Efficiency, max.	η_max.	87 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.035 A
Stall torque	M_H	59.2 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	1190 min⁻¹/V
Back-EMF constant	k_E	0.84 mV/min⁻¹
Torque constant	k_M	8.03 mNm/A
Current constant	k_I	0.125 A/mNm
Slope of n-M curve	Δn/ΔM	120 min⁻¹/mNm
Rotor inductance	L	45 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	4.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	9 V
Terminal resistance	R	2.14 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7400 min⁻¹
No-load current	I₀	0.0241 A
Stall torque	M_H	48.3 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	827 min⁻¹/V
Back-EMF constant	k_E	1.21 mV/min⁻¹
Torque constant	k_M	11.5 mNm/A
Current constant	k_I	0.087 A/mNm
Slope of n-M curve	Δn/ΔM	153 min⁻¹/mNm
Rotor inductance	L	90 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	12 V
Terminal resistance	R	4.09 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0175 A
Stall torque	M_H	46.8 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	595 min⁻¹/V
Back-EMF constant	k_E	1.68 mV/min⁻¹
Torque constant	k_M	16 mNm/A
Current constant	k_I	0.062 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	180 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	15 V
Terminal resistance	R	6.61 Ω
Efficiency, max.	η_max.	85 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0139 A
Stall torque	M_H	45.2 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	476 min⁻¹/V
Back-EMF constant	k_E	2.1 mV/min⁻¹
Torque constant	k_M	20.1 mNm/A
Current constant	k_I	0.05 A/mNm
Slope of n-M curve	Δn/ΔM	157 min⁻¹/mNm
Rotor inductance	L	280 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	18 V
Terminal resistance	R	9.04 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0116 A
Stall torque	M_H	47.6 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	397 min⁻¹/V
Back-EMF constant	k_E	2.52 mV/min⁻¹
Torque constant	k_M	24.1 mNm/A
Current constant	k_I	0.042 A/mNm
Slope of n-M curve	Δn/ΔM	149 min⁻¹/mNm
Rotor inductance	L	400 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	24 V
Terminal resistance	R	16.4 Ω
Efficiency, max.	η_max.	86 %
No-load speed	n₀	7100 min⁻¹
No-load current	I₀	0.0087 A
Stall torque	M_H	46.7 mNm
Friction torque	M_R	0.28 mNm
Speed constant	k_n	298 min⁻¹/V
Back-EMF constant	k_E	3.36 mV/min⁻¹
Torque constant	k_M	32.1 mNm/A
Current constant	k_I	0.031 A/mNm
Slope of n-M curve	Δn/ΔM	152 min⁻¹/mNm
Rotor inductance	L	710 µH
Mechanical time constant	τ_m	6 ms
Rotor inertia	J	3.8 gcm²
Angular acceleration	α_max.	120 ·10³rad/s²
Thermal resistance	R_th1/R_th2	4 / 13 K/W
Thermal time constant	τ_w1/τ_w2	7 / 340 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		125 °C
Housing material		steel, black coated
Mass		62 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	8000 min⁻¹
Number of pole pairs		1
Magnet material		NdFeB

Operating Area

Recommended operation areas at nominal voltage 6 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

The nominal voltage (U_N) curve shows the operating point at nominal voltage in the insulated and thermally coupled condition. Any points of operation above the curve at nominal voltage will require a higher operating voltage. Any points below the nominal voltage curve will require less voltage.

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 9 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 12 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 15 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 18 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

Operating Area

Recommended operation areas at nominal voltage 24 V

The diagram indicates the recommended speed in relation to the available torque at the output shaft for a given ambient temperature of 22°C.

The diagram shows the motor in a completely insulated as well as thermally coupled condition (R_th2 50% reduced).

Characteristic curves of motor

3D-CAD Files ZIP

Precision Gearheads

Planetary Gearheads

Series 20/1R