SkyHolic HDS-877

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	S103
Category	Hobby
Performance
Torque	4.8V16.70 oz-inBelow Average
Speed	6.0V 0.09 sec/60° 4.8V 0.11 sec/60° Average
Physical
Weight	0.35 ozAverage
Dimensions	L 0.86 in W 0.43 in H 0.78 in
Drivetrain
Motor Type	Brushed
Gears	Metal
Rotation Mode	Positional
Rotation/Support	Bushing
Control & Signal
Modulation	Digital
Mechanical Limit	45°
Pulse Width	1100-1900 µs
Neutral Position	1500 µs
Dead Band	1 µs
Control System	PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	4.8–6 V
Origin
Country of Origin	South Korea

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 16% of 349 Digital Micro servos at 4.8V
Speed	Average Faster than 55% of 347 Digital Micro servos at 4.8V
Weight	Average Lighter than 56% of 597 Digital Micro servos

Performance Analysis

Shaft Power	0.28 W
Power Density	0.973 W/in³ More power-dense than 15% of 563 Digital Micro servos
Torque Density	1.6700 oz-in/g Stronger than 16% of 349 Digital Micro servos
Torque-to-Volume Ratio	57.90 oz-in/in³ Denser torque than 28% of 345 Digital Micro servos
Speed-to-Weight	0.90909 (1/sec·g) Faster than 68% of 347 Digital Micro servos
Speed-Torque Trade-off	1.84 Better balanced than 19% of 345 Digital Micro servos
Speed Gain per Volt	18.52%/V More voltage-responsive (speed) than 57% of 295 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 38% of 496 Digital Micro servos
Dead-Band-to-Pulse-Width Ratio	0.0013 Finer dead band than 56% of 182 Digital Micro servos