Spektrum A6380

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-16

Identity
Brand
Product Number	SPMSA6380
Category	Hobby
Performance
Torque	8.4V 160.00 oz-in 6.0V 102.00 oz-in Below Average
Speed	8.4V 0.13 sec/60° 8.4V 0.13 sec/60° 6.0V 0.17 sec/60° Below Average 6.0V 0.17 sec/60° Below Average
Running Current	6.0V 0.240 A Average 4.8V 0.220 A
Stall Current	≤2.5 AAbove Average
Physical
Weight	1.50 ozTop 10%
Dimensions	L 1.52 in W 0.74 in H 1.47 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Pulse Cycle	3 ms
Pulse Width	1000-2000 µs
Neutral Position	1520 µs
Dead Band	5 µs
Refresh Rate	333 Hz
Control System	PWM
Programmable	No
Electrical & Environment
Operating Voltage	6–8.4 V
Power Source	2S Li-Po
Idle Current	0.010 A
Connectivity
Connector	JR (Universal)
Wire Length	300 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.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Below Average Stronger than 19% of 1043 Digital Standard servos at 6.0V
Speed	Below Average Faster than 25% of 1041 Digital Standard servos at 6.0V
Weight	Top 10% Lighter than 93% of 1902 Digital Standard servos
Running Current	Average Lower draw than 52% of 173 Digital Standard servos at 6.0V
Stall Current	Above Average Lower draw than 78% of 539 Digital Standard servos

Performance Analysis

Shaft Power	1.11–2.28 W
Power Density	1.376 W/in³ More power-dense than 28% of 1759 Digital Standard servos
Torque Density	2.4000 oz-in/g Stronger than 30% of 1036 Digital Standard servos
Torque-to-Volume Ratio	61.69 oz-in/in³ Denser torque than 21% of 1042 Digital Standard servos
Speed-to-Weight	0.13841 (1/sec·g) Faster than 65% of 1033 Digital Standard servos
Speed-Torque Trade-off	17.34 Better balanced than 30% of 1031 Digital Standard servos
Current-per-Torque Ratio	0.0245 A/oz-in More efficient than 22% of 315 Digital Standard servos
Idle-to-Running Current Ratio	0.042 Lower idle draw than 63% of 112 Digital Standard servos
No-Load vs Stall Current Spread	10.42 Narrower current spread than 73% of 132 Digital Standard servos
Torque Gain per Volt	23.69%/V More voltage-responsive (torque) than 92% of 850 Digital Standard servos
Speed Gain per Volt	12.82%/V More voltage-responsive (speed) than 35% of 871 Digital Standard servos
Voltage Range Width	2.4 V Wider voltage range than 56% of 1539 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0050 Finer dead band than 1% of 468 Digital Standard servos