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Technical Specifications
Last Updated: 2026-09-14
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| 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
Below Average
|
| 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
Average
|
| Running Current |
6.0V
0.180 A
180 mA
4.8V
0.160 A
160 mA
Above Average
|
| Stall Current | 0.7–0.8 A700–800 mATop 10% |
| Physical | |
| Weight | 1.51 oz42.8 gAbove Average |
| 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 |
| 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 |
| 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 |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| 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.
Class Comparison
| Torque | Below Average Stronger than 14% of 198 Analog Standard servos at 4.8V |
| Speed | Average Faster than 42% of 195 Analog Standard servos at 4.8V |
| Weight | Above Average Lighter than 75% of 447 Analog Standard servos |
| Running Current | Above Average Lower draw than 77% of 49 Analog Standard servos at 4.8V |
| Stall Current | Top 10% Lower draw than 92% of 63 Analog Standard servos |
Performance Analysis
| Shaft Power | 0.41–0.63 W |
| Power Density | 0.359 W/in³ More power-dense than 24% of 432 Analog Standard servos |
| Torque Density | 0.9813 oz-in/g Stronger than 14% of 198 Analog Standard servos |
| Torque-to-Volume Ratio | 23.98 oz-in/in³ Denser torque than 16% of 198 Analog Standard servos |
| Speed-to-Weight | 0.12297 (1/sec·g) Faster than 67% of 195 Analog Standard servos |
| Speed-Torque Trade-off | 7.98 Better balanced than 13% of 195 Analog Standard servos |
| Current-per-Torque Ratio | 0.0190 A/oz-in More efficient than 43% of 54 Analog Standard servos |
| Idle-to-Running Current Ratio | 0.046 Lower idle draw than 51% of 38 Analog Standard servos |
| No-Load vs Stall Current Spread | 5.00 Narrower current spread than 82% of 35 Analog Standard servos |
| Torque Gain per Volt | 17.86%/V More voltage-responsive (torque) than 65% of 156 Analog Standard servos |
| Speed Gain per Volt | 22.22%/V More voltage-responsive (speed) than 86% of 156 Analog Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 60% of 239 Analog Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0042 Finer dead band than 49% of 56 Analog Standard servos |
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Reviews (1)
-
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.