D954SW Servo

The power of Hitec’s D-Series servos continues with the introduction of the next Premium Class trio: the D930SW, D954SW and D955TW. As with our entire “D” line, these technologically-advanced servos are powered by our 32-bit MCU (Microcontroller Unit) and 12-bit ADC (Analog to Digital Converter) industrial science and possess Smart Sense engineering with rapid, high resolution response. Their unprecedented programmability and wide-voltage capabilities deliver the most progressive, leading-edge performance for all your radio control needs. Built with incredibly durable steel gears, the D930SW are the perfect upgrade from our popular HS-7954SH servo. 

How Far Will This Servo Rotate?

The answer to this question is partially dependant on what you are using to control the servo.
Click for a quick video explanation.

Stock:

With an Average Radio System:
89°
Your average transmitter and receiver will output a relativly narrow PWM signal range.

Radio System + Servo Stretcher:
148°
Adding a Servo Stretcher to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
148°
Controllers such as the Actobotics® Servo Controller, Arduinos, and Raspberry Pi servo hats can usually send a wide signal.

Reprogrammed:

Whether you purchase the reprogrammed option or get a servo programmer and do it yourself, a reprogrammed version of this servo will be able to achieve greater travel than it can in stock form.

With an Average Radio System:
119°
Your average transmitter and receiver will output a relativly narrow PWM signal range.

Radio System + Servo Stretcher:
200°
Adding a Servo Stretcher to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
200°
Controllers such as the Actobotics® Servo Controller, Arduinos, and Raspberry Pi servo hats can usually send a wide signal.

Features:

  • Programmable PWM Digital Amplifier
  • 32-Bit MCU with 12-Bit ADC Circuitry
  • 4096 Resolution
  • 1M Cycle Long Life Potentiometer
  • Wide Operating Voltage (4.8 ~ 8.4 Volts DC)
  • Dual Ball Bearing Supported Output Shaft
  • 25-Tooth Output Spline
  • Coreless Metal Brush Motors
  • Nylon Reinforced Plastic Upper and Lower Case
  • Diamond Cut Aluminum Heat Sink Center Case
  • Dust Resistant and Splash Proof Case

Programmable Features:

  • End Point Adjustments
  • Direction
  • Fail Safe
  • Dead Band
  • Speed (Slower)
  • Soft Start Rate
  • Overload Protection
  • Data Save / Load
  • Program Reset

Tech Tips

Specs

Output Shaft Style H25T Spline
Voltage Range 4.8 V - 7.4 V
No-Load Speed (7.4V) 0.12 sec/60°
No-Load Speed (4.8V) 0.19 sec/60°
Stall Torque (4.8V) 251 oz-in. (18.07 kg.cm)
Stall Torque (7.4V) 405 oz-in. (29.16 kg.cm)
Max PWM Signal Range 850-2350 μsec
Travel per µs (Stock) 0.099°/μsec
Max Rotation (Stock) 148°
Pulse Amplitude 3-5 V
Operating Temperature -20°C to +60°C
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 1 µs
Motor Type Coreless Metal Brush
Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearing
Gear Material Steel (Hybrid MK 1st Gear)
Wire Length 13" (330.2 mm)
Weight 2.4 oz (68 g)
Wire Gauge 20 AWG
Max Rotation (reprogrammed) 200°
Travel per µsec (reprogrammed) 0.133°/μsec
Servo Size Standard

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