2543N9C2B

25mm Dual-shaft Precision DC Coreless Motor
Diameter: 25mm; Length: 43.5mm; Voltage: 14.8~48V; Max. output power: 17~50W; Speed: 6500~9800rpm; Nominal torque: 20~40mNm.

Applications: precision drives in medical equipment and devices, healthcare products, robotics, and industrial automation.
Options：Lead wires length, Shaft length, Special coils, Bearing type, Gearheads, Encoder.

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Parameter Outline Drawing Characteristic Curve Download

Characteristics	Unit	21-73-14.8	10-90-24.0	11-98-30.0	05-65-48.0
Voltage	V	14.8	24.0	30.0	48.0
Terminal resistance	Ω	3.1	3.9	4.4	23.5
No-load speed	rpm	7300	9000	9800	6500
No-load current	mA	40	35	30	30
Stall torque	mNm	90.8	154.8	197.6	139.7
Stall current	mA	4770	6150	6820	2040
Nominal torque	mNm	20	30	40	40
Nominal speed	rpm	5690	7260	7820	4640
Nominal current	mA	1080	1220	1400	610
Max. output power	W	17.4	36.5	50.8	23.8
Max. efficiency	%	83	86	87	77
Back-EMF constant	mV/rpm	2	2.7	3	7.3
Torque constant	mNm/A	19.2	25.3	29.1	69.5
Speed/torque gradient	rpm/mNm	80.4	58.1	49.6	46.5
Rotor inertia	gcm²	13.2	13.2	13.2	13.2
Weight	g	96	96	96	96