JR E355

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	T0077977
Category	Hobby
Performance
Torque	6.6V41.70 oz-in
Speed	6.6V0.10 sec/60°
Physical
Weight	0.88 ozAverage
Dimensions	L 1.378 in W 0.591 in H 1.181 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	120°
Neutral Position	1500 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–7 V
Connectivity
Connector	JR (Universal) estimate
Wire Length	250 mm

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight

Average

Lighter than 54% of 490 Digital Mini servos

Performance Analysis

Shaft Power	0.77 W
Power Density	0.802 W/in³ More power-dense than 9% of 468 Digital Mini servos
Torque Density	1.6680 oz-in/g
Torque-to-Volume Ratio	43.38 oz-in/in³
Speed-to-Weight	0.40000 (1/sec·g)
Speed-Torque Trade-off	4.17
Voltage Range Width	2.2 V Wider voltage range than 49% of 396 Digital Mini servos