In case of brushed DC motors, it is important that one remain updated regarding type of motors. Thus, one can surely check out RF300 series, weighing at 22g, it is one of those newest things in the block which makes this whole series of DC motors worth it.
This series can be typically used in applications as office automation equipments such as CD ROM. It is also used in audio visual equipment, as CD player, headphone stereo, DVD player. It can be used in other industrials such as air freshener and display.
The model, RF300-07615, has an operational voltage range of 3.0V to 6.0V, with nominal rate being constant at 4.5V. At no load its speed is 3600 rpm, while at maximum efficiency it is 2688 rpm.
Another model, RF300-11440, has operational range of 1.5V to 4.5V, with nominal rate being 3V constant. At no load, its speed is 3500 rpm, while at maximum efficiency it happens to be 2660 rpm.
The model, RF300-17190, has operational range of 1.5V to 30V, with nominal rate being constantly fixed at 3V. At no load, its speed happens to be 8100 rpm, while at maximum speed it is 6530 rpm.
A final model RF300-15210, has operational voltage range of 1.5V to 3.0V, with nominal rate being constant at 4.5V. At no load, its speed is 7350 rpm, while at maximum efficiency it is 5880 rpm.
For best quality products, one should definitely consult Teco Electric Ltd.