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Technical Specifications
Last Updated: 2026-07-10
|
Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | MAC5921HV |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
281.91 oz-in
20.30 kg-cm
2.0 N-m
6.0V
238.86 oz-in
17.20 kg-cm
1.7 N-m
|
| Speed |
8.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
|
| Running Current |
8.4V
0.820 A
820 mA
6.0V
0.550 A
550 mA
|
| Stall Current | (add) |
| Physical | |
| Weight | 2.08 oz59.0 g |
| Dimensions |
L 1.59 in W 0.79 in H 1.44 in L 40.4 mm W 20.1 mm H 36.6 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | (add) |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 260 mm10.24 in |
| Origin | |
| Country of Origin | (add) |
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.
Performance Analysis
| Shaft Power | 2.94–4.34 W |
| Torque Density | 4.0485 oz-in/g Stronger than 63% of the 833 Digital Standard servos in the database |
| Torque-to-Volume Ratio | 132.06 oz-in/in³ Denser torque than 59% of the 844 Digital Standard servos in the database |
| Power Density | 2.402 W/in³ More power-dense than 51% of the 1645 Digital Standard servos in the database |
| Speed-to-Weight | 0.11299 (1/sec·g) Faster than 46% of the 822 Digital Standard servos in the database |
| Speed-Torque Trade-off | 35.83 Better balanced than 62% of the 827 Digital Standard servos in the database |
| Torque Gain per Volt | 7.51%/V More voltage-responsive (torque) than 11% of the 674 Digital Standard servos in the database |
| Speed Gain per Volt | 10.42%/V More voltage-responsive (speed) than 19% of the 688 Digital Standard servos in the database |
| Voltage Range Width | 2.4 V Wider voltage range than 46% of the 1271 Digital Standard servos in the database |
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