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.

Features

• 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

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 Idle: 30 mA
No Load Operating Current Draw: 500 mA
Stall Current Draw: 2,650 mA
Dead Band Width: 2 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 Type: 32bit Programable Digital
Motor Type: 3 Pole Metal Brush Ferrite
Gear Material: Metal
Bearing Type: Dual Ball Bearing
Output Shaft (type / Ømm): H25T
Case Material: Plastic
Dust / Water Resistance: N / A
Connector Gauge (AWG) / Strand Count: 22 / 60