Hitec D645MW STD MG, Digital Servo, 12.9kg WV, HR, H25T, PRG HV

Manufacturer: Hitec
Availability: 2 in stock
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Product Description

The metal D-645MW is part of our D-Series servo line. All Hitec D-Series servos have been designed using our brand new, cutting edge, custom engineering. Combining industry leading high-resolution, state-of-the-art ultra-response technology with a 32-bit MCU and 12-bit ADC for unprecedented programmability and flexibility, these servos deliver significantly smoother movement. The speedy, powerful line operates on a wide 4.8 ~ 8.4 voltage range, allowing use with any common battery chemistry without the need for adapters or regulators. Featuring Hitec’s industry standard 25-tooth output spline with 3mm hex screw, each D-Series servo brings monster performance never known before in the market.


  • Programmable PWM Digital Amplifier
  • 32-Bit MCU with 12-Bit ADC Circuitry
  • 4096 Resolution
  • 1M Cycle Long Life Potentiometer
  • Wide Operating Voltage (4.8 ~ 8.4 Volts DC)
  • Dual Ball Bearing Supported Output Shaft
  • 25-Tooth Output Spline

Programmable Functions

  • End Point Adjustments
  • Direction
  • Fail Safe
  • Dead Band
  • Speed (Slower)
  • Soft Start Rate
  • Overload Protection
  • Data Save / Load
  • Program Reset


D645MW Servo Specifications

Performance Specifications
Operating Voltage Range (Volts DC)4.8V ~ 6.0V ~ 7.4V
Speed (Second @ 60°)0.28 ~ 0.20 ~ 0.17
Maximum Torque Range oz. / in.115 ~ 158 ~ 180
Maximum Torque Range kg. / cm.8.3 ~ 11.3 ~ 12.9
Current Draw at Idle30 mA
No Load Operating Current Draw500 mA
Stall Current Draw2,650 mA
Dead Band Width2 µs
Physical Specifications
Dimensions (Inches)1.59 x 0.77 x 1.48
Dimensions (Metric)40.6 x 19.8 x 37.8
Weight (Ounces)2.11
Weight (Gram)57.0
Circuit Type32bit Programable Digital
Motor Type3 Pole Metal Brush Ferrite
Gear MaterialMetal
Bearing TypeDual Ball Bearing
Output Shaft (type / Ømm)H25T
Case MaterialPlastic
Dust / Water ResistanceN / A
Connector Gauge (AWG) / Strand Count22 / 60
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