Hitec HSB-9381TH
Hitec HSB-9381TH

Hitec HSB-9381TH

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Part Number: HTC_HSB-9381TH
Hitec Digital Standard Servo
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With ultra-efficient brushless motors, titanium gear trains, low current consumption and constant output power, the full metal case HSB-9381TH is the perfect match for the most demanding radio control pilots and racers.

NOTICE: Please read this service bulletin regarding Hitec brushless servos with certain RC devices.

  • Programmable 12-Bit PWM Digital Amplifier
  • Custom Long Life Brushless Motor
  • 1M Cycle Long Life Potentiometer
  • Constant Output Torque
  • Wide Operating Voltage (5 ~ 9 Volts DC)
  • Dual Ball Bearing Supported Output Shaft
  • Dust Resistant and Splash Proof Case
  • 25-Tooth Output Spline
  • Hybrid Nylon Reinforced Plastic and Aluminum Case
  • Low Power Consumption
Programmable Functions
  • End Point Adjustments
  • Direction
  • Fail Safe
  • Dead Band
  • Speed (Slower)
  • Soft Start Rate
  • Data Save / Load
  • Program Reset (From File)
Performance Specifications
Operating Voltage Range (Volts DC)6.0V ~ 7.4V
Speed (Second @ 60°)0.17 ~ 0.14
Maximum Torque Range oz. / in.472
Maximum Torque Range kg. / cm.34
Current Draw at Idle27 mA
No Load Operating Current Draw250 mA
Stall Current Draw2,700 mA
Dead Band Width1 µs
Physical Specifications
Dimensions (Inches)1.57 x 0.79 x 1.50
Dimensions (Metric)40.0 x 20.0 x 38.0
Weight (Ounces)2.4
Weight (Gram)68.0
Circuit TypeEBL Digital
Motor TypeBrushless
Gear MaterialTitanium
Bearing TypeDual Ball Bearing
Output Shaft (type / Ømm)H25T
Case MaterialPlastic / Aluminum
Dust / Water ResistanceSplash Proof
Connector Gauge (AWG) / Strand Count20 / 80
Radio Control Applications
ParkflyerN / A
Sport Plane>40%
Sailplane2 meter and up
3D Performance>40%
Electric HelicopterN / A
Gas HelicopterN / A
On RoadN / A
Monster Truck1/8th 
Short Course / Truck1/8th  
Sail Boat= > 1 meter & scale
Power Boat 1/8th