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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | S5451H |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
155.57 oz-in
11.20 kg-cm
1.1 N-m
7.0V
137.51 oz-in
9.90 kg-cm
1.0 N-m
6.0V
111.12 oz-in
8.00 kg-cm
0.8 N-m
|
| Speed |
8.4V
0.04 sec/60°
1,500.0 deg/s
250.0 RPM
7.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
|
| Stall Current | 3.5–4.7 A3500–4700 mABelow Average |
| Physical | |
| Weight | 2.54 oz72.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.535 in L 40.0 mm W 20.0 mm H 39.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Mechanical Limit | 180° |
| Neutral Position | 760 µs |
| Dead Band | 1 µs |
| Refresh Rate | 700 Hz |
| Angle Sensor | Magnetic Encoder |
| Control System | FBUS/SBUS/PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Connectivity | |
| Connector | JR (Universal) |
| Origin | |
| Country of Origin | China |
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
| Weight | Below Average Lighter than 27% of 1902 Digital Standard servos |
| Stall Current | Below Average Lower draw than 29% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.42–7.19 W |
| Power Density | 3.780 W/in³ More power-dense than 69% of 1759 Digital Standard servos |
| Torque Density | 1.5433 oz-in/g |
| Torque-to-Volume Ratio | 58.40 oz-in/in³ |
| Speed-to-Weight | 0.23148 (1/sec·g) |
| Speed-Torque Trade-off | 6.67 |
| Current-per-Torque Ratio | 0.0423 A/oz-in |
| Voltage Range Width | 3.6 V Wider voltage range than 83% of 1539 Digital Standard servos |
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