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HS-7940TH Servo

  • HS-7940TH with quarter for scale
  • HS-7940TH included hardware
  • HS-7940TH in box
  • HS-7940TH side view
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Part
37940S
37940S
Status
In stock

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Price
$119.99
$119.99 - $149.99
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Details

Hitec's fastest standard size servo the "Ultra Speed" HS-7940TH is designed to operate on a two cell LiPo Pack. Featuring high resolution "G2" second generation programmable digital circuit and indestructible Titanium gears, The HS-7940TH has the performance and durability you've come to expect from a Hitec servo. Other features in the HS-7040TH 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 bushing.  

The HS-7940TH has been designed for applications where speed and response are demanded. Perfect for High Performance Nitro and Electric Helicopters, Aircraft, Cars, and Trucks. Featuring a blistering transit time of .07 sec, but still maintaining a respectable 181 oz./in. of torque at 6.0 volts.

SPECS

Programmable 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 2.40oz (68g)
Output Shaft Style 24 tooth (C1) spline
Voltage Range 4.8V - 7.4V
No-Load Speed (4.8V) 0.08 sec/60°
No-Load Speed (6.0V) 0.07 sec/60°
No-Load Speed (7.4V) 0.06 sec/60°
Stall Torque (4.8V) 144.8oz/in. (11kg.cm)
Stall Torque (6.0V) 180.5oz/in. (13kg.cm)
Stall Torque (7.4V) 222oz/in. (16kg.cm)
Max PWM Signal Range (Standard) 750-2250μsec
Travel per µs (out of box) .080°/μsec
Travel per µs (reprogrammed normal res) .133°/μsec
Travel per µs (reprogrammed high res) .073°/μsec
Max Travel (out of box) 119.5°
Max Travel (reprogrammed normal res) 199.5°
Max Travel (reprogrammed high res) 109.5°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Current Drain - idle (4.8V) 9mA
Current Drain - idle (6.0V) 9mA
Current Drain - no-load (4.8V) 220mA
Current Drain - no-load (6V) 300mA
Current Drain - stall (4.8V) 3.8A
Current Drain - stall (6V) 4.8A
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 2µs
Motor Type Coreless Carbon Brush
Potentiometer Drive 6 Slider Indirect Drive
Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearing MR106
Gear Type Straight Cut Spur
Gear Material Titanium
Wire Length 7" (178mm)
Wire Gauge 22AWG
TECH TIPS

General Servo Information:

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