Product Number:
TMR-120-25-004-2
Product Overview
Limited angle torque motors are designed for compact, open-loop or closed-loop servo applications requiring rotary motion within a limited angular excursion (under 180°). Unlike conventional brush and brushless motors, these torquers use a winding configuration that eliminates the need for commutation. This results in a simpler, more reliable system with fewer components that can wear or fail.
To determine your motion profile needs, use our rotary motion calculator.
Specifications
| Continuous Torque Range | 120 degrees / 2.10 rad |
|---|---|
| Radial Clearance | 0.05 in / 1.3 mm |
| Housed with Bearings | No |
| Rotor Inertia | 0.36 oz-in² / 0.0000066 kg-m² |
| Total Mass | 0.33 oz / 150 g |
| Resistance @ 20°C | 5.4 ohms |
| Inductance @ 20°C | 1.9 mH |
| Electrical Time Constant | 0.35 msec |
| Motor Constant | 1.8 in-oz/√watt / 0.013 N-cm/√watt |
| Torque Constant | 4.2 in-oz/amp / 0.029 N-cm/amp |
| Back EMF | 0.063 V/rad/sec |
| Continuous Torque (100% Duty) | 4.0 in-oz / 0.03 N-cm |
| Continuous Power (100% Duty) | 5.0 watts |
| Continuous Current (100% Duty) | 1.0 amps |
| Peak Torque (10% Duty) | 12 in-oz / 0.08 N-cm |
| Peak Power (10% Duty) | 44 watts |
| Peak Current (10% Duty) | 3.0 amps |
| # of Poles | 2 |