FAULHABER SR Series 1224 ... SR by FAULHABER

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Datasheet

Variants

DC-Micromotors Series 1224 ... SR

Precious Metal Commutation

Key Features

Nominal voltage:

6 ... 15 V

Rated torque up to:

1.75 mNm

No-load speed up to:

13900 min⁻¹

Stall torque up to:

5.42 mNm

Diameter:

12 mm

Length:

24.2 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:

Values at 22° and nominal voltage		Value
Nominal voltage	U_N	6 V
Terminal resistance	R	4.6 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13900 min⁻¹
No-load current	I₀	0.0122 A
Stall torque	M_H	5.31 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	2320 min⁻¹/V
Back-EMF constant	k_E	0.43 mV/min⁻¹
Torque constant	k_M	4.11 mNm/A
Current constant	k_I	0.243 A/mNm
Slope of n-M curve	Δn/ΔM	2600 min⁻¹/mNm
Rotor inductance	L	55 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	295 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	18.2 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13700 min⁻¹
No-load current	I₀	0.006 A
Stall torque	M_H	5.42 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	1150 min⁻¹/V
Back-EMF constant	k_E	0.869 mV/min⁻¹
Torque constant	k_M	8.3 mNm/A
Current constant	k_I	0.12 A/mNm
Slope of n-M curve	Δn/ΔM	2520 min⁻¹/mNm
Rotor inductance	L	220 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	302 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	29.4 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13400 min⁻¹
No-load current	I₀	0.0047 A
Stall torque	M_H	5.36 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	901 min⁻¹/V
Back-EMF constant	k_E	1.11 mV/min⁻¹
Torque constant	k_M	10.6 mNm/A
Current constant	k_I	0.094 A/mNm
Slope of n-M curve	Δn/ΔM	2500 min⁻¹/mNm
Rotor inductance	L	350 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	298 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	4.6 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13900 min⁻¹
No-load current	I₀	0.0122 A
Stall torque	M_H	5.31 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	2320 min⁻¹/V
Back-EMF constant	k_E	0.43 mV/min⁻¹
Torque constant	k_M	4.11 mNm/A
Current constant	k_I	0.243 A/mNm
Slope of n-M curve	Δn/ΔM	2600 min⁻¹/mNm
Rotor inductance	L	55 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	295 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	18.2 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13700 min⁻¹
No-load current	I₀	0.006 A
Stall torque	M_H	5.42 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	1150 min⁻¹/V
Back-EMF constant	k_E	0.869 mV/min⁻¹
Torque constant	k_M	8.3 mNm/A
Current constant	k_I	0.12 A/mNm
Slope of n-M curve	Δn/ΔM	2520 min⁻¹/mNm
Rotor inductance	L	220 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	302 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	29.4 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13400 min⁻¹
No-load current	I₀	0.0047 A
Stall torque	M_H	5.36 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	901 min⁻¹/V
Back-EMF constant	k_E	1.11 mV/min⁻¹
Torque constant	k_M	10.6 mNm/A
Current constant	k_I	0.094 A/mNm
Slope of n-M curve	Δn/ΔM	2500 min⁻¹/mNm
Rotor inductance	L	350 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	298 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	4.6 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13900 min⁻¹
No-load current	I₀	0.0122 A
Stall torque	M_H	5.31 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	2320 min⁻¹/V
Back-EMF constant	k_E	0.43 mV/min⁻¹
Torque constant	k_M	4.11 mNm/A
Current constant	k_I	0.243 A/mNm
Slope of n-M curve	Δn/ΔM	2600 min⁻¹/mNm
Rotor inductance	L	55 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	295 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	18.2 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13700 min⁻¹
No-load current	I₀	0.006 A
Stall torque	M_H	5.42 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	1150 min⁻¹/V
Back-EMF constant	k_E	0.869 mV/min⁻¹
Torque constant	k_M	8.3 mNm/A
Current constant	k_I	0.12 A/mNm
Slope of n-M curve	Δn/ΔM	2520 min⁻¹/mNm
Rotor inductance	L	220 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	302 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	29.4 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13400 min⁻¹
No-load current	I₀	0.0047 A
Stall torque	M_H	5.36 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	901 min⁻¹/V
Back-EMF constant	k_E	1.11 mV/min⁻¹
Torque constant	k_M	10.6 mNm/A
Current constant	k_I	0.094 A/mNm
Slope of n-M curve	Δn/ΔM	2500 min⁻¹/mNm
Rotor inductance	L	350 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	298 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	4.6 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13900 min⁻¹
No-load current	I₀	0.0122 A
Stall torque	M_H	5.31 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	2320 min⁻¹/V
Back-EMF constant	k_E	0.43 mV/min⁻¹
Torque constant	k_M	4.11 mNm/A
Current constant	k_I	0.243 A/mNm
Slope of n-M curve	Δn/ΔM	2600 min⁻¹/mNm
Rotor inductance	L	55 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	295 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	18.2 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13700 min⁻¹
No-load current	I₀	0.006 A
Stall torque	M_H	5.42 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	1150 min⁻¹/V
Back-EMF constant	k_E	0.869 mV/min⁻¹
Torque constant	k_M	8.3 mNm/A
Current constant	k_I	0.12 A/mNm
Slope of n-M curve	Δn/ΔM	2520 min⁻¹/mNm
Rotor inductance	L	220 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	302 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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	29.4 Ω
Efficiency, max.	η_max.	82 %
No-load speed	n₀	13400 min⁻¹
No-load current	I₀	0.0047 A
Stall torque	M_H	5.36 mNm
Friction torque	M_R	0.05 mNm
Speed constant	k_n	901 min⁻¹/V
Back-EMF constant	k_E	1.11 mV/min⁻¹
Torque constant	k_M	10.6 mNm/A
Current constant	k_I	0.094 A/mNm
Slope of n-M curve	Δn/ΔM	2500 min⁻¹/mNm
Rotor inductance	L	350 µH
Mechanical time constant	τ_m	5 ms
Rotor inertia	J	0.18 gcm²
Angular acceleration	α_max.	298 ·10³rad/s²
Thermal resistance	R_th1/R_th2	14 / 39.1 K/W
Thermal time constant	τ_w1/τ_w2	5 / 226.1 s
Operating temperature range		-30 ... 85 °C
Winding temperature, max.		85 °C
Housing material		steel, black coated
Mass		13.5 g
Direction of rotation		clockwise, viewed from the front face
Speed up to	n_max.	16000 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 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

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Your Choice

Selected Variant

Series 1224N006SR

Precious Metal Commutation

Key Features

Nominal voltage: 6 V

Rated torque up to: 1.51 mNm

No-load speed up to: 13900 min⁻¹

Stall torque up to: 5.31 mNm

Diameter: 12 mm

Length: 24.2 mm

Selected Variant

Series 1224N012SR

Precious Metal Commutation

Key Features

Nominal voltage: 12 V

Rated torque up to: 1.74 mNm

No-load speed up to: 13700 min⁻¹

Stall torque up to: 5.42 mNm

Diameter: 12 mm

Length: 24.2 mm

Selected Variant

Series 1224N015SR

Precious Metal Commutation

Key Features

Nominal voltage: 15 V

Rated torque up to: 1.75 mNm

No-load speed up to: 13400 min⁻¹

Stall torque up to: 5.36 mNm

Diameter: 12 mm

Length: 24.2 mm