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HS-488HB Servo

HS-488HB Hitec Servo
HS-488HB Hitec Servo
  • HS-488HB Hitec Servo
  • HS-488HB included hardware
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The HS-488HB servo is based around the popular HS-485HB but with a few noteworthy changes.  To be more compatible with a wider spectrum of the servos and attachments on the market, the HS-488HB has a 25 tooth spline.  This makes bulking up supporting parts much easier as you are able to stick to one spline size rather than bouncing back and forth between 24 and 25.  The new spline comes with a larger servo screw that has a 2.5mm hex drive rather than a Phillips drive.  The HS-488HB also has an updated potentiometer which has allowed the removal of the mechanical stops in the geartrain.  Without mechanical stops you can drive the servo to the extremes in terms of range of motion without concern of contacting a mechanical stop which puts the servo in a stall situation.  


HS-488 Schematic

Dimensions 1.57" x 0.78" x 1.49" (39.88 x 19.8 x 38mm)
Product Weight 1.59oz (45g)
Output Shaft Style 25 tooth (H25T) spline
Voltage Range 4.8V - 6.0V
No-Load Speed (4.8V) 0.22sec/60°
No-Load Speed (6.0V) 0.18sec/60°
Stall Torque (4.8V) 66.6 oz-in. (4.8
Stall Torque (6.0V) 83.3 oz-in. (6.0
Max PWM Signal Range (Standard) 553-2425μsec
Travel per µs (out of box) .102°/μsec
Max Travel (out of box) 190.5°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Current Drain - idle (4.8V) 8mA
Current Drain - idle (6.0V) 8.8mA
Current Drain - no-load (4.8V) 150mA
Current Drain - no-load (6V) 180mA
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 8µs
Motor Type 3 Pole Ferrite
Potentiometer Drive Direct Drive
Internal Feedback Style 5KΩ Potentiometer
Output Shaft Support Top Ball Bearing, Bottom Bushing
Gear Type Straight Cut Spur
Gear Material Karbonite
Wire Length 11.81" (300mm)
Wire Gauge 25AWG

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