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Technical Specifications
Last Updated: 2026-09-14Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | 33325S |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
51.00 oz-in
3.67 kg-cm
0.4 N-m
4.8V
42.00 oz-in
3.02 kg-cm
0.3 N-m
|
| Speed |
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
4.8V
0.19 sec/60°
315.8 deg/s
52.6 RPM
|
| Running Current | (add) |
| Stall Current | 0.7–0.8 A700–800 mA |
| Physical | |
| Weight | 1.51 oz42.8 g |
| Dimensions |
L 1.57 in W 0.78 in H 1.43 in L 39.9 mm W 19.8 mm H 36.3 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | 3-pole |
| Motor Drive | H-Bridge |
| Gears | Plastic |
| Gear Spline/Teeth | 24 T estimate |
| Shaft Size | 5.8 mm |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Rotational Range | 110° |
| Mechanical Limit | 180° |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Dead Band | 5 µs |
| Refresh Rate | (add) |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 0.007 A7 mA |
| Connectivity | |
| Connector | S |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | Philippines |
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 | 0.41–0.63 W |
| Torque Density | 0.9813 oz-in/g Stronger than 12% of the 156 Analog Standard servos in the database |
| Torque-to-Volume Ratio | 23.98 oz-in/in³ Denser torque than 17% of the 156 Analog Standard servos in the database |
| Power Density | 0.359 W/in³ More power-dense than 24% of the 421 Analog Standard servos in the database |
| Speed-to-Weight | 0.12297 (1/sec·g) Faster than 62% of the 155 Analog Standard servos in the database |
| Speed-Torque Trade-off | 7.98 Better balanced than 14% of the 155 Analog Standard servos in the database |
| Current-per-Torque Ratio | 0.0190 A/oz-in More efficient than 43% of the 43 Analog Standard servos in the database |
| Torque Gain per Volt | 17.86%/V More voltage-responsive (torque) than 66% of the 120 Analog Standard servos in the database |
| Speed Gain per Volt | 22.22%/V More voltage-responsive (speed) than 85% of the 121 Analog Standard servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 63% of the 185 Analog Standard servos in the database |
| Dead-Band-to-Pulse-Width Ratio | 0.0042 Finer dead band than 47% of the 37 Analog Standard servos in the database |
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Reviews (1)
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Thomas
December 8, 2010Application(s): 30 size Nitro Heli
Comments: Very good servo for beginners or those on a budget.
Not recommended for 3d.
But it can handle a beating.
Have had 100 + flights with these servos in my caliber 3.
work great for alerons, elevator, throttle, lacking in power for pitch in mech mixing. But they're holding up good.
Have carbonite gears as other high quality servos.