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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | D531BB |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V7.10 oz-in0.51 kg-cm0.1 N-m |
| Speed |
4.8V0.09 sec/60°666.7 deg/s111.1 RPM |
| Running Current |
4.8V0.320 A320 mA |
| Stall Current | ≤0.42 A≤420 mAAbove Average |
| Physical | |
| Weight | 0.14 oz3.9 gTop 10% |
| Dimensions |
L 0.75 in W 0.31 in H 0.69 in L 19.0 mm W 7.9 mm H 17.5 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Idle Current | 0.120 A120 mA |
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 | Top 10% Lighter than 96% of 620 Digital Micro servos |
| Stall Current | Above Average Lower draw than 87% of 194 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.15 W |
| Power Density | 0.909 W/in³ More power-dense than 14% of 590 Digital Micro servos |
| Torque Density | 1.8205 oz-in/g |
| Torque-to-Volume Ratio | 44.26 oz-in/in³ |
| Speed-to-Weight | 2.84900 (1/sec·g) |
| Speed-Torque Trade-off | 0.64 |
| Current-per-Torque Ratio | 0.0592 A/oz-in |
| Idle-to-Running Current Ratio | 0.375 |
| No-Load vs Stall Current Spread | 1.31 |
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