Hitec HS-5645MG Digital Ultra Torque Servo

The HS-5645MG is the best overall digital servo at this price.

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Max torque: 168 oz-in.


Speed: 0.18 sec/60°

The combination of torque, speed, price and extreme holding power make it a favorite among top robot builders, pilots, and drivers. Special alloy gears called Alumite offer tremedous strength yet are lightweight as well.

Control System: +Pulse Width Control 1500usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.23sec/60° at no load
Operating Speed (6.0V): 0.18sec/60° at no load
Stall Torque (4.8V): 143 oz/in. (10.3kg.cm)
Stall Torque (6.0V): 168 oz/in. (12.1kg.cm)
Operating Angle: 45° one side pulse traveling 400usec (can be programmed for ± 90°)
360 Modifiable: Yes
Direction: Clockwise/Pulse Traveling 1500 to 1900usec
Current Drain (4.8V): 8.8mA/idle and 400mA no load operating
Current Drain (6.0V): 9.1mA/idle and 500mA no load operating
Dead Band Width: 8usec
Motor Type: 3 Pole Ferrite
Potentiometer Drive: Indirect Drive
Bearing Type: Dual Ball Bearing
Gear Type: 3 Meta Gears + 1 resin metal gear
Connector Wire Length: 11.81" (400mm)
Dimensions: 1.59" x .77"x 1.48" (40.6 x 20 x 38mm)
Weight: 2.10 oz.. (59.8g)


Programmable Features:

  • Dead Band Width
  • Direction of Rotation
  • Speed of Rotation (slower)
  • End Points (up to 180 degrees)
  • Neutral Points
  • Fail Safe On/Off
  • Fail Safe Points

This servo can be configured to operate 180° by using the HMI Programmer to modify the internal servo program.

Please note that custom modifications void manufacturer's warranties. We guarantee our customizations for 30 days from the date of shipment.

Unit Price: US$42.99
Availability: In stock

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