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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FT5515M |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
215.30 oz-in
15.50 kg-cm
1.5 N-m
4.8V
186.40 oz-in
13.42 kg-cm
1.3 N-m
Average
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.16 sec/60°
375.0 deg/s
62.5 RPM
Average
|
| Stall Current | ≤2 A≤2000 mAAbove Average |
| Physical | |
| Weight | 1.98 oz56.0 gAbove Average |
| Dimensions |
L 1.579 in W 0.787 in H 1.52 in L 40.1 mm W 20.0 mm H 38.6 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 120° |
| Pulse Width | 900-2100 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | 2S Li-Po |
| Temperature | -15–70 °C5–158 °F |
| Water Rating | Waterproof |
| Certification | CE | RoHS |
| Idle Current | 0.150 A150 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 in |
| 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 | Average Stronger than 42% of 1060 Digital Standard servos at 4.8V |
| Speed | Average Faster than 36% of 1045 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 73% of 1880 Digital Standard servos |
| Stall Current | Above Average Lower draw than 87% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.15–2.84 W |
| Power Density | 1.505 W/in³ More power-dense than 32% of 1768 Digital Standard servos |
| Torque Density | 3.3286 oz-in/g Stronger than 48% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 98.68 oz-in/in³ Denser torque than 42% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.11161 (1/sec·g) Faster than 49% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 29.82 Better balanced than 52% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0107 A/oz-in More efficient than 76% of 331 Digital Standard servos |
| Torque Gain per Volt | 12.92%/V More voltage-responsive (torque) than 33% of 873 Digital Standard servos |
| Speed Gain per Volt | 11.91%/V More voltage-responsive (speed) than 30% of 874 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 15% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 46% of 504 Digital Standard servos |
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