Hitec HSB-9485SH

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	39485
Category	Hobby
Performance
Torque	7.4V 361.00 oz-in 6.0V 361.00 oz-in Above Average
Speed	7.4V 0.15 sec/60° 6.0V 0.18 sec/60° Below Average
Running Current	7.4V0.430 A
Stall Current	≤1.1 ATop 10%
Physical
Weight	2.19 ozAverage
Dimensions	L 1.57 in W 0.78 in H 1.45 in
Case Material	Plastic
Drivetrain
Motor Type	Brushless
Motor Drive	MOS
Gears	Steel
Gear Spline/Teeth	25 T
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Direction	Clockwise
Rotational Range	120°
Pulse Width	700-2300 µs
Neutral Position	1500 µs
Dead Band	2 µs
Angle Sensor	Potentiometer
Control System	PWM
Programmable	Yes
Signal Voltage	3-5V
Electrical & Environment
Operating Voltage	6–7.4 V
Temperature	-20–60 °C
Water Rating	IP54
Idle Current	0.030 A
Connectivity
Connector	JR (Universal)
Wire Length	300 mm

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*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 77% of 1043 Digital Standard servos at 6.0V
Speed	Below Average Faster than 21% of 1041 Digital Standard servos at 6.0V
Weight	Average Lighter than 54% of 1902 Digital Standard servos
Stall Current	Top 10% Lower draw than 96% of 539 Digital Standard servos

Performance Analysis

Shaft Power	3.71–4.45 W
Power Density	2.506 W/in³ More power-dense than 52% of 1759 Digital Standard servos
Torque Density	5.8226 oz-in/g Stronger than 85% of 1036 Digital Standard servos
Torque-to-Volume Ratio	203.30 oz-in/in³ Denser torque than 81% of 1042 Digital Standard servos
Speed-to-Weight	0.08961 (1/sec·g) Faster than 24% of 1033 Digital Standard servos
Speed-Torque Trade-off	64.99 Better balanced than 86% of 1031 Digital Standard servos
Current-per-Torque Ratio	0.0030 A/oz-in 2nd-highest current-per-torque ratio of 315 Digital Standard servos
Idle-to-Running Current Ratio	0.070
No-Load vs Stall Current Spread	2.56
Torque Gain per Volt	0.00%/V More voltage-responsive (torque) than 1% of 850 Digital Standard servos
Speed Gain per Volt	14.29%/V More voltage-responsive (speed) than 44% of 871 Digital Standard servos
Voltage Range Width	1.4 V Wider voltage range than 33% of 1539 Digital Standard servos
Dead-Band-to-Pulse-Width Ratio	0.0013 Finer dead band than 60% of 468 Digital Standard servos