Power HD HD-1900MG

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	PHD004
Category	Hobby
Performance
Torque	6.0V 20.84 oz-in 4.8V 16.67 oz-in Average
Speed	6.0V 0.08 sec/60° 4.8V 0.11 sec/60° Above Average
Physical
Weight	0.46 ozBottom 10%
Dimensions	L 0.906 in W 0.48 in H 1.091 in
Drivetrain
Motor Type	DC
Gears	Copper
Gear Spline/Teeth	20 T
Rotation Mode	Positional
Rotation/Support	Bushing
Control & Signal
Modulation	Analog
Rotational Range	180°
Pulse Cycle	50 ms
Neutral Position	1520 µs
Refresh Rate	50 Hz
Electrical & Environment
Operating Voltage	4.8–6 V
Temperature	-10–60 °C
Connectivity
Connector	JR (Universal) estimate
Origin
Country of Origin	Hong Kong

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*Based on known specs.

Class Comparison

Torque	Average Stronger than 40% of 170 Analog Micro servos at 4.8V
Speed	Above Average Faster than 75% of 170 Analog Micro servos at 4.8V
Weight	Bottom 10% Lighter than 9% of 346 Analog Micro servos

Performance Analysis

Shaft Power	0.28–0.48 W
Power Density	1.016 W/in³ More power-dense than 64% of 333 Analog Micro servos
Torque Density	1.2823 oz-in/g Stronger than 3% of 170 Analog Micro servos
Torque-to-Volume Ratio	35.15 oz-in/in³ Denser torque than 15% of 170 Analog Micro servos
Speed-to-Weight	0.69930 (1/sec·g) Faster than 21% of 170 Analog Micro servos
Speed-Torque Trade-off	1.83 Better balanced than 35% of 169 Analog Micro servos
Torque Gain per Volt	20.85%/V More voltage-responsive (torque) than 78% of 96 Analog Micro servos
Speed Gain per Volt	31.24%/V 5th-highest speed gain per volt of 96 Analog Micro servos
Voltage Range Width	1.2 V Wider voltage range than 23% of 182 Analog Micro servos