Kpower PB0120

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Technical Specifications

Last Updated: 2026-11-05

Identity
Brand
Product Number	PB0120
Category	Hobby
Performance
Torque	6.0V 31.90 oz-in 4.8V 29.20 oz-in Above Average
Speed	6.0V 0.10 sec/60° 4.8V 0.12 sec/60° Average
Physical
Weight	0.46 ozBelow Average
Dimensions	L 0.906 in W 0.472 in H 0.866 in
Case Material	Plastic / Aluminum
Drivetrain
Motor Type	DC
Gears	Plastic
Rotation Mode	Positional
Rotation/Support	Single Bearing
Control & Signal
Modulation	Analog
Rotational Range	120°
Electrical & Environment
Operating Voltage	4.8–6 V
Origin
Country of Origin	China

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Compatible Hardware

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*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 86% of 160 Analog Micro servos at 4.8V
Speed	Average Faster than 40% of 160 Analog Micro servos at 4.8V
Weight	Below Average Lighter than 14% of 336 Analog Micro servos

Performance Analysis

Shaft Power	0.45–0.59 W
Power Density	1.593 W/in³ More power-dense than 96% of 322 Analog Micro servos
Torque Density	2.2462 oz-in/g Stronger than 58% of 160 Analog Micro servos
Torque-to-Volume Ratio	78.85 oz-in/in³ Denser torque than 94% of 160 Analog Micro servos
Speed-to-Weight	0.64103 (1/sec·g) Faster than 23% of 160 Analog Micro servos
Speed-Torque Trade-off	3.50 Better balanced than 83% of 159 Analog Micro servos
Torque Gain per Volt	7.71%/V More voltage-responsive (torque) than 10% of 101 Analog Micro servos
Speed Gain per Volt	16.67%/V More voltage-responsive (speed) than 43% of 101 Analog Micro servos
Voltage Range Width	1.2 V Wider voltage range than 16% of 174 Analog Micro servos