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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | D531BB |
| Category | Hobby |
| Performance | |
| Torque |
4.8V9.72 oz-in0.70 kg-cm0.1 N-mBottom 10% |
| Speed |
4.8V0.09 sec/60°666.7 deg/s111.1 RPMAbove Average |
| Running Current |
4.8V0.320 A320 mABelow Average |
| Stall Current | ≤0.42 A≤420 mAAbove Average |
| Physical | |
| Weight | 0.16 oz4.6 gTop 10% |
| Dimensions |
L 0.748 in W 0.315 in H 0.748 in L 19.0 mm W 8.0 mm H 19.0 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Plastic |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Idle Current | 0.120 A120 mA |
| 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
| Torque | Bottom 10% Stronger than 6% of 363 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 77% of 361 Digital Micro servos at 4.8V |
| Weight | Top 10% Lighter than 93% of 665 Digital Micro servos |
| Running Current | Below Average Lower draw than 11% of 67 Digital Micro servos at 4.8V |
| Stall Current | Above Average Lower draw than 88% of 222 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.20 W |
| Power Density | 1.133 W/in³ More power-dense than 24% of 625 Digital Micro servos |
| Torque Density | 2.1130 oz-in/g Stronger than 36% of 363 Digital Micro servos |
| Torque-to-Volume Ratio | 55.15 oz-in/in³ Denser torque than 25% of 359 Digital Micro servos |
| Speed-to-Weight | 2.41546 (1/sec·g) Faster than 96% of 361 Digital Micro servos |
| Speed-Torque Trade-off | 0.87 Better balanced than 6% of 358 Digital Micro servos |
| Current-per-Torque Ratio | 0.0432 A/oz-in More efficient than 37% of 108 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.375 Lower idle draw than 10% of 50 Digital Micro servos |
| No-Load vs Stall Current Spread | 1.31 2nd-highest no-load vs stall current spread of 51 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 31% of 553 Digital Micro servos |
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