TowerPro MG945

Name: TowerPro MG945
Brand: TowerPro
Rating: 5 (1 reviews)

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-14

Identity
Brand
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 166.65 oz-in 4.8V 138.87 oz-in Below Average
Speed	6.0V 0.20 sec/60° 4.8V 0.23 sec/60° Bottom 10%
Running Current	5.0V0.190 A
Stall Current	≤1.2 ATop 10%
Physical
Weight	1.94 ozAbove Average
Dimensions	L 1.602 in W 0.776 in H 1.689 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	25 T estimate
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	180°
Pulse Cycle	1 ms
Pulse Width	1000-2000 µs
Neutral Position	1500 µs
Dead Band	1 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6.6 V
Power Source	External
Temperature	0–55 °C
Certification	CE \| RoHS
Idle Current	0.010 A
Connectivity
Connector	JR (Universal)
Wire Length	320 mm

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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.

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*Spec is estimated from brand data.

Class Comparison

Torque	Below Average Stronger than 29% of 1043 Digital Standard servos at 4.8V
Speed	Bottom 10% Faster than 4% of 1041 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 76% of 1902 Digital Standard servos
Stall Current	Top 10% Lower draw than 96% of 539 Digital Standard servos

Performance Analysis

Shaft Power	1.12–1.54 W
Power Density	0.734 W/in³ More power-dense than 11% of 1759 Digital Standard servos
Torque Density	2.5249 oz-in/g Stronger than 32% of 1036 Digital Standard servos
Torque-to-Volume Ratio	66.14 oz-in/in³ Denser torque than 24% of 1042 Digital Standard servos
Speed-to-Weight	0.07905 (1/sec·g) Faster than 12% of 1033 Digital Standard servos
Speed-Torque Trade-off	31.94 Better balanced than 54% of 1031 Digital Standard servos
Current-per-Torque Ratio	0.0086 A/oz-in More efficient than 87% of 315 Digital Standard servos
Idle-to-Running Current Ratio	0.053
No-Load vs Stall Current Spread	6.32
Voltage Range Width	1.8 V Wider voltage range than 40% of 1539 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0010 Finer dead band than 85% of 468 Digital Standard servos