Blue Arrow MI-AC8-12A-SG

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Category	Hobby
Performance
Torque	7.4V 50.70 oz-in 6.0V 40.56 oz-in 5.0V 36.38 oz-in
Speed	7.4V 0.07 sec/60° 6.0V 0.08 sec/60° 5.0V 0.10 sec/60°
Stall Current	0.7–0.8 ATop 10%
Physical
Weight	0.36 ozAbove Average
Dimensions	L 0.79 in W 0.31 in H 0.84 in
Case Material	Aluminum
Drivetrain
Motor Type	Coreless
Gears	Steel
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Direction	Clockwise
Rotational Range	60°
Mechanical Limit	120°
Pulse Width	900-2100 µs
Neutral Position	1500 µs
Dead Band	1 µs
Refresh Rate	333 Hz
Angle Sensor	Induction Encoder
Control System	PWM
Electrical & Environment
Operating Voltage	4–7.4 V
Temperature	-20–70 °C
Connectivity
Connector	JR (Universal)
Wire Length	120 mm
Origin
Country of Origin	China

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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.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight	Above Average Lighter than 88% of 83 Digital Slim servos
Stall Current	Top 10% Lower draw than 93% of 29 Digital Slim servos

Performance Analysis

Shaft Power	0.69–1.36 W
Power Density	6.604 W/in³ More power-dense than 84% of 83 Digital Slim servos
Torque Density	3.5320 oz-in/g
Torque-to-Volume Ratio	176.85 oz-in/in³
Speed-to-Weight	0.99069 (1/sec·g)
Speed-Torque Trade-off	3.57
Current-per-Torque Ratio	0.0220 A/oz-in
Voltage Range Width	3.4 V Wider voltage range than 62% of 75 Digital Slim servos
Dead-Band-to-Pulse-Width Ratio	0.0008 3rd-highest dead-band-to-pulse-width ratio of 22 Digital Slim servos