DSpower DS-R003B

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	DS-R003B
Category	Hobby
Performance
Torque	7.4V111.12 oz-in
Speed	7.4V0.16 sec/60°
Stall Current	≤5 ABelow Average
Physical
Weight	2.35 ozAverage
Dimensions	L 1.575 in W 0.787 in H 1.654 in
Case Material	Aluminum
Drivetrain
Motor Type	Cored
Gears	Steel
Gear Spline/Teeth	25 T
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Backlash	1.000°
Control & Signal
Modulation	Digital
Direction	Counterclockwise
Rotational Range	180°
Mechanical Limit	No Limit
Pulse Width	500-2500 µs
Neutral Position	1500 µs
Dead Band	8 µs
Control System	PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	6–8.4 V
Temperature	-10–50 °C
Water Rating	IP67
Certification	FCC \| CE \| ROHS \| REACH \| EMC
Idle Current	0.020 A
Connectivity
Connector	JR (Universal) estimate
Origin
Country of Origin	China

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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.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight	Average Lighter than 40% of 1902 Digital Standard servos
Stall Current	Below Average Lower draw than 23% of 539 Digital Standard servos

Performance Analysis

Shaft Power	1.28 W
Power Density	0.626 W/in³ More power-dense than 7% of 1759 Digital Standard servos
Torque Density	1.6710 oz-in/g
Torque-to-Volume Ratio	54.20 oz-in/in³
Speed-to-Weight	0.09399 (1/sec·g)
Speed-Torque Trade-off	17.78
Current-per-Torque Ratio	0.0450 A/oz-in
Voltage Range Width	2.4 V Wider voltage range than 52% of 1539 Digital Standard servos
Backlash-to-Range Ratio	0.00556 Tighter backlash than 23% of 23 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0040 Finer dead band than 3% of 468 Digital Standard servos