KST X12-508Servo – 6.2Kg.cm 0.07s 20.5g 12mm

The KST X12-508 is a superb 20g servo from KST that is similar to the MKS HV6125e. Although originally intended for the heli market the X12-508 also used in high performance gliders and fast powered aircraft.

KST X12-508 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)	4.2 Kg.cm	58 oz.in
Stall torque (7.4V)	5.2 Kg.cm	72 oz.in
Stall torque (8.4V)	6.2 Kg.cm	86 oz.in
Weight	20.5 g	0.72 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	4.8V to 8.4V
Operating temperature	-10 to +65 °C
Bearings	2 ball bearing
Gear material	Hardened steel
Case material	Aluminium alloy
Motor type	Brushless
Working frequency	333 Hz
Dead band/resolution	2 µs
Pulse width for ± 60º	(50°L) 1000 µs – (0°) 1500 µs- (50°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-6 Metal