Johnson 12 V

Johnson 12 V

This motor is manufactured by Johnson Motor. The motor's timing is advanced 14° in the counter-clockwise direction. The body is 37 mm in diameter and 57 mm long. The shaft is 3.2 mm in diameter and 8.8 mm long. Weight is approximately 0.481 lbs.

Specifications for counter-clockwise rotation:	Motor only performance.	Typical system performance.
Voltage:	12 V
Angular-velocity constant:	1560 rpm/V
Torque constant:	0.868 ozf·in/A
Armature resistance:	0.131 Ohms
No-load current:	1.1 A
Peak efficiency:	71.4 %
Power source resistance:	0 Ohms	0.131 Ohms
Peak power:	0.36 hp	0.176 hp
No-load angular velocity:	18500 rpm	18300 rpm
Stall current:	91.8 A	45.9 A
Stall torque:	78.7 ozf·in	38.9 ozf·in
Explanation of specifications.

Specifications for clockwise rotation:	Motor only performance.	Typical system performance.
Voltage:	12 V
Angular-velocity constant:	1470 rpm/V
Torque constant:	0.92 ozf·in/A
Armature resistance:	0.131 Ohms
No-load current:	1.1 A
Peak efficiency:	79.3 %
Power source resistance:	0 Ohms	0.131 Ohms
Peak power:	0.36 hp	0.176 hp
No-load angular velocity:	17400 rpm	17200 rpm
Stall current:	91.8 A	45.9 A
Stall torque:	83.5 ozf·in	41.2 ozf·in
Explanation of specifications.

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Page last modified 11/15/23.