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HS-5485HB Servo

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The HS-5485HB is Hitec's lowest price digital servo and is an excellent choice for sport airplanes up to .60 size. Featuring a programmable digital circuit and Hitec's Karbonite™ gear technology that offers four times the strength as their standard nylon gears and after hundreds of thousands of cycles won't show any signs of wear.

Standard Servo Schematic 2

A = .787” (20mm)
B = .539” (13.7mm)
C = 1.319” (33.50mm)
D = .396” (10.05mm)
E = .374” (9.5mm)
F = 1.207” (30.65mm)
G = .463” (11.75mm)
H = 1.08” (28.15mm)
J = 2.087” (53mm)
K = .291” (7.4mm)
L = .176” (4.47mm)
M = 1.581” (40.15mm)
X = .125” (3.18mm)

Dimensions 1.57" x 0.78"x 1.49" (39.8 x 19.8 x 38mm)
Product Weight 1.59oz. (45g)
Output Shaft Style 24 tooth (C1) spline
Voltage Range 4.8V - 6.0V
No-Load Speed (4.8V) 0.20sec/60°
No-Load Speed (6.0V) 0.17sec/60°
Stall Torque (4.8V) 72oz/in. (
Stall Torque (6.0V) 89 oz/in. (
Max PWM Signal Range (Standard) 750-2250μsec
Travel per µs (out of box) .079°/μsec
Travel per µs (reprogrammed normal res) .133°/μsec
Max Travel (out of box) 118°
Max Travel (reprogrammed normal res) 199.5°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Current Drain - idle (4.8V) 8.8mA
Current Drain - idle (6.0V) 9.1mA
Current Drain - no-load (4.8V) 400mA
Current Drain - no-load (6V) 500mA
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 8µs
Motor Type 3 Pole Ferrite
Potentiometer Drive Indirect Drive
Feedback Style 5KΩ Potentiometer
Output Shaft Support Ball Bearing
Gear Type Straight Cut Spur
Gear Material Karbonite
Wire Length 11.81" (300mm)
Wire Gauge 25AWG

The HS-5485HB servo spline is slightly oversized and will be a very snug fit into broached servo accessories. After installed the first time, later assembly will be easier.

General Servo Information:

Servo Tech Tip Videos:


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