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Hitec D646WP
Standard

Hitec D646WP

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand Hitec
Product Number 36646S
Category Hobby
Performance
Torque
7.4V 161.12 oz-in
6.0V 133.34 oz-in
4.8V 104.18 oz-in
Speed
7.4V 0.16 sec/60°
6.0V 0.19 sec/60°
4.8V 0.24 sec/60°
Running Current
7.4V 0.330 A
6.0V 0.300 A
4.8V 0.270 A
Stall Current 1.5–2.2 AAbove Average
Physical
Weight 2.15 ozAverage
Dimensions L 1.65 in
W 0.83 in
H 1.58 in
Case Material Plastic
Drivetrain
Motor Type 3-pole
Gears Metal
Gear Spline/Teeth 25 T
Rotation Mode Positional
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Direction Clockwise
Rotational Range 175°
Pulse Width 900-2100 µs
Neutral Position 1500 µs
Dead Band 2 µs
Angle Sensor Potentiometer
Control System TTL / PWM
Programmable Yes
Signal Voltage 3-5V
Electrical & Environment
Operating Voltage 3.5–8.4 V
Temperature -20–60 °C
Water Rating IP67
Idle Current 0.030 A
Connectivity
Connector JR (Universal) estimate
Wire Length 300 mm

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

WeightAverage
Lighter than 56% of 1902 Digital Standard servos
Stall CurrentAbove Average
Lower draw than 83% of 539 Digital Standard servos

Performance Analysis

Shaft Power 0.80–1.86 W
Power Density0.860 W/in³
More power-dense than 14% of 1759 Digital Standard servos
Torque Density1.7079 oz-in/g
Torque-to-Volume Ratio48.15 oz-in/in³
Speed-to-Weight0.06831 (1/sec·g)
Speed-Torque Trade-off25.00
Current-per-Torque Ratio0.0211 A/oz-in
Idle-to-Running Current Ratio0.111
No-Load vs Stall Current Spread8.15
Voltage Range Width4.9 V
Wider voltage range than 97% of 1539 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio0.0017
Finer dead band than 44% of 468 Digital Standard servos

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