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Product description
DS939HV
Among all the mini rc servos, DS939HV is a digital one with high torque. The stall torque is 2.6kg.cm / 2.8kg.cm. Some of our clients apply the model DS939HV in toy robots, boats and planes,etc. There are some differences between DS939HV and DS939MG. DS939HV is a digital one, but DS939MG is analog one. The biggest difference is that DS939HV has a larger torque than the model DS939MG. For more details, please have a look at the two tables below.
Specifications
Item No
DS939HV
Size
22.5x11.5x24.6mm(0.88''x0.45''x0.96'’)
Weight
12.5g
Operating Voltage
6.0V/7.4V
Operating Current
200mA/240mA
Operating Speed
0.13sec.60°/0.12sec.60°
Stall Torque
2.6kg.com/2.8kg.com
Dead Band
≤3uSec
Operating Travel
40°/one side pulse traveling 400us
Potentiometer
2 slider/direct Drive
Ball Bearing
MR85
Gear
Metal
Connector Wire Length
215mm
Operating Temperature Range
-20℃~+60℃
Testing Equipment
Packaging and shipping
By Express ( FedEx, UPS, DHL, TNT, EMS, etc... )
--- Advantage: Fast ( takes about 7 - 10 days in the delivery ), door to door
--- Disadvantage: A little expensive
By Sea ( Ocean ) Transportation
--- Advantage: Much cheaper than Express or Air transportation.
Disadvantage: Slow and you need to take the goods from your destination port by yourself.
http://www.rc-corona.com/