KST X12-708 Brushless Servo – 9.3Kg.cm 0.07s 21.3g 12mm

The KST X12-708 Brushless is a superb new 21g servo from KST. Although originally intended for the heli market the X12-708 is also becoming popular for use in high performance gliders and fast powered aircraft.

The 708’s brushless motor allows a more advanced servo control algorithm and eliminates failures due to brush wear, making it immune to vibration.

KST X12-708 Brushless Servo Specifications
Body dimensions	23.0 mm wide x 12.0 mm thick x 27.5 mm high	0.91″ wide x 0.47″ thick x 1.08″ high
Max dimensions	32.0 mm wide x 12.0 mm thick x 31.0 mm high	1.26″ wide x 0.47″ thick x 1.22″ high
Stall torque (6V)	6.3 Kg.cm	87 oz.in
Stall torque (7.4V)	8.6 Kg.cm	119 oz.in
Stall torque (8.4V)	9.3 Kg.cm	129 oz.in
Weight	21.3 g	0.75 oz
Lead length	21 cm	8.3 in
Operating speed (6V)	0.09 sec/60°
Operating speed (7.4V)	0.08 sec/60°
Operating speed (8.4V)	0.07 sec/60°
Operating voltage	6V to 8.4V
Operating temperature	-10 to +60 °C
Bearings	2 ball bearing
Gear material	Hardened steel
Case material	Aluminium alloy
Motor type	Brushless
Working frequency	333 Hz
Dead band/resolution	1 µs
Pulse width for ± 60º	(60°L) 1000 µs – (0°) 1500 µs- (60°R) 2000 µs
Digital	Yes
Programmable	No
Position feedback	Potentiometer
Supplied accessories	2 heavy duty plastic output arms, 3 medium stength arms. 1 arm retaining screw, 4 mouning screws
Optional accessories	KST 25T-6 Heavy Duty Output Arms, KST 25T-6C Metal Servo Output Arm