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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HD-1250MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
48.62 oz-in
3.50 kg-cm
0.3 N-m
4.8V
41.67 oz-in
3.00 kg-cm
0.3 N-m
Above Average
|
| Speed |
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Average
|
| Physical | |
| Weight | 0.88 oz25.0 gBelow Average |
| Dimensions |
L 1.22 in W 0.64 in H 1.16 in L 31.0 mm W 16.3 mm H 29.5 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | DC |
| Gears | Copper |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Analog |
| Rotational Range | 90° |
| Pulse Cycle | 20 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 50 Hz |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 150 mm5.91 in |
| Origin | |
| Country of Origin | Hong Kong |
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
| Torque | Above Average Stronger than 72% of 75 Analog Mini servos at 4.8V |
| Speed | Average Faster than 45% of 75 Analog Mini servos at 4.8V |
| Weight | Below Average Lighter than 27% of 155 Analog Mini servos |
Performance Analysis
| Shaft Power | 0.55–0.75 W |
| Power Density | 0.827 W/in³ More power-dense than 53% of 153 Analog Mini servos |
| Torque Density | 1.6668 oz-in/g Stronger than 31% of 75 Analog Mini servos |
| Torque-to-Volume Ratio | 46.01 oz-in/in³ Denser torque than 36% of 75 Analog Mini servos |
| Speed-to-Weight | 0.28571 (1/sec·g) Faster than 31% of 75 Analog Mini servos |
| Speed-Torque Trade-off | 5.83 Better balanced than 64% of 75 Analog Mini servos |
| Torque Gain per Volt | 13.90%/V More voltage-responsive (torque) than 56% of 55 Analog Mini servos |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 33% of 55 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 20% of 85 Analog Mini servos |
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Reviews (10)
Includes 10 reviews aggregated from around the web.
There are few reviews for this servo on the web. About eight buyers rated it a perfect 5 out of 5, mostly with short comments such as very good, okay, recommended and top. Those who say more praise the solid metal gears, lack of play, good resolution and strong value, and one flyer says it is plenty for a 60-inch model airplane. No problems were reported.
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