Shenzhen Power Motor Industrial Co. Ltd. (China) released a series of dc motors with different speeds and outputs. The WFF-M20VA, 8Z103 model has an operating voltage range of 2 V to 3 V, and a nominal voltage of 3 V. At maximum efficiency, the motor has a 0.160 A current, a 11,820 rpm speed, 1.7 gcm/0.16 mNm of torque, and a 0.20 W output. It also features a 0.55 A current and 7.6 gcm/0.74 mNm of torque during stall, and a 15,200 rpm speed and 0.045 A current during no-load.
The WFF-M20VA, 10100 model has a 1.2 V to 3.5 V operating voltage range, and a 2.4 V nominal voltage. During maximum efficiency, the product features a 0.20 A current, a 12,410 rpm speed, 1.8 gcm/0.18 mNm of torque, and a 0.23 W output. Stall current is 0.75 A, and stall torque is 8.6 gcm/0.84 mNm. At no-load, it has a 15,800 rpm speed, and a 0.056 A current.
With an operating voltage range between 2 V and 4 V, and a nominal voltage of 2 V, the WFF-M20VK, 7Z170 model features a 0.076 A current, a 6,020 rpm speed, 0.96 gcm/0.094 mNm of torque, and a 0.059 W output at maximum efficiency. Current is 0.23 A and torque is 3.9 gcm/0.38 mNm during stall, while speed is 8,000 rpm and the current is 0.025 A during no-load.
