A whole new set of brush DC motors are creating waves in the market. It is updated and is extremely useful for various types of audio visual instruments and other products.
The series, RF370/C is one such extremely well designed series. Weighing at 51g and 24.4×30.8 it is one of the most updated type of motors.
The series RF370-22141, has an operational voltage of 6V to 12V, with nominal rate being constant at 6V. Its speed at no load is 6500 rpm, with maximum efficiency speed being 5670 rpm. Its force rate at stall ranges from 22.34 to 228 torque.
One of its models, RF370C-15230, has operational voltage range of 12V to 31V, with nominal rate being 31V constant. Its speed at no load is 22000 rpm, while maximum efficiency rate being 18000 rpm. Its force at stall ranges from 22.54 to 230 torque
Another model, RF370SC-2980, has operational range of 6V to 9V, with nominal rate being constant at 7.2V. Its speed rate at no load is 15000 rpm. At maximum efficiency, its speed rate is 12800 rpm. Its force at stall ranges from 26.17 to 267 torque.
A final model, RF370SC-3145, is within operational range of 1.5V to 3V, while its nominal rate being constant at 1.5V constant. Its speed at no load is 5200 rpm, while at maximum efficiency its rate is 4100 rpm.
For best of these motors, one can surely consult Teco Electric.

A type of better DC motor, which works directly on power is brush DC motor. It can be used in a variety of instruments, given its size and availability. Also, very important is its features which are extremely updated and best of the lot.
The series RF330/C series is updated and can be used in a variety of instruments. Hence, one can very well use it in auto and visual equipments as CD player. Due to its minimal weight at 29g, it can be used in a variety of product.
This series has a number of models, RF330-11440, being one with operational voltage range of 3V to 6V. Its nominal rate is constant at 6V. at no load condition, its speed is 5500 rpm, while at maximum efficiency; its speed is 4580 rpm.
The series RF330-11345, has operational voltage range of 3V to 6V, with nominal rate being constant at 3V. At no load, its speed is 3050 rpm, while at maximum efficiency its speed happens to be 2360 rpm.
Another model, RF330-07800, has operational range of 3V to 6V, with nominal rate at 3V being constant. At no load its speed is 1250 rpm, and at maximum efficiency it is 925 rpm.
A final model, RF300C-17155, has operational range of 1.5V to 4.5V, with nominal rate being constant at 4.5V. At no load its speed happens to be 10000 rpm, while at maximum efficiency it is 7860 rpm.
Thus, for best quality motors, Teco Electric is the place.