C1837

Coreless brushed DC motor platform. One body, 8 published windings, 2 published configurations.

Diameter: 17.55mm
Body length: 36.8mm
Mass: 42.8g
Commutator segments: 5
Rotation: CW
Revision: A, reviewed 2026-08-18

Envelope

Side elevation of the C1837 motor body, drawn to scale from the published envelope: ⌀17.6 mm by 36.8 mm. Shaft extension, flats, lead exit and mounting features are governed by the controlled drawing and are not shown here.

Model bounding box, X × Y × Z: 17.6 mm × 17.5 mm × 41.7 mm
Model revision: A, reviewed 2026-08-18
Mesh: 8,760 triangles

Every published winding

One row per winding. The envelope is identical across the platform; the electrical record is not.

C1837 windings
SKU	Rated voltage V	No-load speed rpm	Rated speed rpm	Rated torque mN·m	Stall torque mN·m	Rated current mA	No-load current mA	Stall current mA	Rated output W
Compare MM-C1837-060A MM-C1837-060A	6.0	8,190	6,260	2.94	12.5	492	50	1,940	1.93
Compare MM-C1837-120A MM-C1837-120A	12.0	8,450	7,210	2.94	20	234	16	1,450	2.22
Compare MM-C1837-120B MM-C1837-120B	12.0	9,890	8,780	2.94	26.2	271	21	2,260	2.70
Compare MM-C1837-120C MM-C1837-120C	12.0	3,070	2,270	3.92	15.1	111	5	411	0.93
Compare MM-C1837-120D MM-C1837-120D	12.0	10,200	8,400	4.9	28.5	457	24	2,550	4.31
Compare MM-C1837-240A MM-C1837-240A	24.0	11,300	9,150	2.94	15.5	152	13	745	2.82
Compare MM-C1837-240B MM-C1837-240B	24.0	4,680	3,460	3.92	15	84	3	311	1.42
Compare MM-C1837-240C MM-C1837-240C	24.0	9,640	8,120	5.88	37.3	258	9	1,580	5.00

Tick up to 4 products, then compare them side by side.

What this platform can be built into.

Published configurations on C1837
Configuration	Ratio :1	No-load output speed rpm	Continuous output torque mN·m	Torque margin ×	Rated voltage V
MM-C1837-P00226-240C	22.56	427.3	87.6	4.48	24.0
MM-C1837-P00903-120D	90.25	113.0	234.4	2.51	12.0