ITEM NAME:20AMP 20A SimonK Firmware Brushless ESC w/ 3A 5V UBEC Quad Multi Copter D7F9 20AMP 20A SimonK Firmware Brushless ESC w/ 3A 5V UBEC Quad Multi Copter D7F9 This hardware, with the SimonK firmware, gives you the perfect solution for multirotor use. Highest efficiency 100% N-FET design. Highest accuracy with Crystal Oscillator (temperature won't affect the PWM operating range like other cheap ESC's). No low voltage cutoff, because any cutoff in a multirotor = crash. No over temp cutoff, because any cutoff in a multirotor = crash. Super high refresh rate, no buffering of the input signal, resulting in more than 490Hz response rate. 16KHz motor frequency, giving fastest response of the motor, and quietest operation as well (no 8KHz squeal). Super simple, foolproof operation! Nothing to program other than the throttle range. Specifications: Max cont. current: 20A Peak current: 30A (10s) Voltage: 2-3S lipo, 5-8 Nicad BEC: 5V/3A Color: Red Item size: 50 x 23 x 8mm Item weight: 24g / 0.8oz Package List:1 x 20A Brushless ESC Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.
