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HS-7945TH Servo

  • HS-7945TH side view
  • HS-7945TH back view
  • HS-7945TH with quarter for scale
  • HS-7945TH in box
  • HS-7945TH included hardware
  • HS-7945TH top view
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This product has been discontinued on ServoCity.  Combining high torque with high speed the HS-7945TH is Hitec's most versatile high voltage digital servo. Designed to operate on a two cell LiPo Pack, the HS-7945TH features high resolution "G2" second generation programmable digital circuit and indestructible Titanium gears giving you the performance and durability you've come to expect from a Hitec servo. Other features in the HS-7045TH include a 7.4V optimized coreless motor, integrated heat sink case, and a top case with two hardened steel gear pins supported by axial brass bushings. The HS-7945TH has been designed for applications where both high speed and high torque are needed. The HS-7945TH is perfect for high performance aircraft, cars, and trucks as well as larger nitro and electric helicopters.


Programable Features:
- Dead Band Width
- Direction of Rotation
- Speed of Rotation (slower)
- End Points
- Neutral Points
- Fail Safe On/Off
- Fail Safe Points
- Resolution (default is set at high)
- Overload Protection (default is off)

Dimensions 1.57" x 0.79"x 1.50" (40 x 20 x 38mm)
Product Weight 2.29oz (65g)
Output Shaft Style 24 tooth (C1) spline
Voltage Range 4.8V - 7.4V
No-Load Speed (4.8V) 0.14 sec/60°
No-Load Speed (6.0V) 0.12 sec/60°
No-Load Speed (7.4V) 0.10 sec/60°
Stall Torque (4.8V) 180oz/in. (
Stall Torque (6.0V) 250oz/in. (
Stall Torque (7.4V) 319.4oz/in. (
Max PWM Signal Range (Standard) 750-2250μsec
Travel per µs (out of box) .077°/μsec
Travel per µs (reprogrammed normal res) .132°/μsec
Travel per µs (reprogrammed high res) .070°/μsec
Max Travel (out of box) 115.5°
Max Travel (reprogrammed normal res) 198.5°
Max Travel (reprogrammed high res) 104.5°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 2µs
Motor Type Coreless Carbon Brush
Potentiometer Drive 6 Slider Indirect Drive
Internal Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearings MR106
Gear Type Straight Cut Spur
Gear Material Titanium
Wire Length 7" (178mm)

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