SunFounder 2250

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Technical Specifications

Last Updated: 2026-09-26

Identity
Brand
Product Number	CN0249
Category	Hobby
Performance
Torque	7.4V 215.00 oz-in 6.0V 167.00 oz-in Average
Speed	7.4V 0.17 sec/60° 6.0V 0.19 sec/60° Below Average
Running Current	7.4V 0.160 A 6.0V 0.150 A Above Average
Stall Current	3.3–4.1 ABelow Average
Physical
Weight	2.28 ozAverage
Dimensions	L 1.575 in W 0.75 in H 1.496 in
Case Material	Plastic
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	25 T
Shaft Size	5.9 mm
Rotation Mode	Positional
Backlash	1.000°
Control & Signal
Modulation	Digital
Direction	Counterclockwise
Rotational Range	180°
Mechanical Limit	200°
Pulse Width	500-2500 µs
Neutral Position	1500 µs
Dead Band	5 µs
Angle Sensor	Potentiometer
Control System	PWM
Electrical & Environment
Operating Voltage	6–7.4 V
Temperature	-10–50 °C
Idle Current	0.010 A
Connectivity
Connector	Futaba J
Wire Length	245 mm

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*Based on known specs.

Class Comparison

Torque	Average Stronger than 37% of 1060 Digital Standard servos at 6.0V
Speed	Below Average Faster than 12% of 1045 Digital Standard servos at 6.0V
Weight	Average Lighter than 45% of 1880 Digital Standard servos
Running Current	Above Average Lower draw than 68% of 226 Digital Standard servos at 6.0V
Stall Current	Below Average Lower draw than 35% of 570 Digital Standard servos

Performance Analysis

Shaft Power	1.63–2.34 W
Power Density	1.323 W/in³ More power-dense than 26% of 1768 Digital Standard servos
Torque Density	2.5892 oz-in/g Stronger than 35% of 1053 Digital Standard servos
Torque-to-Volume Ratio	94.50 oz-in/in³ Denser torque than 40% of 1058 Digital Standard servos
Speed-to-Weight	0.08160 (1/sec·g) Faster than 16% of 1038 Digital Standard servos
Speed-Torque Trade-off	31.73 Better balanced than 54% of 1034 Digital Standard servos
Current-per-Torque Ratio	0.0246 A/oz-in More efficient than 19% of 331 Digital Standard servos
Idle-to-Running Current Ratio	0.067 Lower idle draw than 42% of 167 Digital Standard servos
No-Load vs Stall Current Spread	27.33 Narrower current spread than 37% of 179 Digital Standard servos
Torque Gain per Volt	20.53%/V More voltage-responsive (torque) than 79% of 873 Digital Standard servos
Speed Gain per Volt	8.39%/V More voltage-responsive (speed) than 10% of 874 Digital Standard servos
Voltage Range Width	1.4 V Wider voltage range than 26% of 1560 Digital Standard servos
Backlash-to-Range Ratio	0.00556 Tighter backlash than 6% of 52 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0025 Finer dead band than 11% of 504 Digital Standard servos