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Hitec HS-545BB
Standard Discontinued

Hitec HS-545BB

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-24
Identity
Brand Hitec
Product Number 31545
Category Hobby
Discontinued Yes
Performance
Torque
6.0V 76.40 oz-in
4.8V 61.10 oz-in Average
Speed
6.0V 0.17 sec/60°
4.8V 0.22 sec/60° Below Average
Physical
Weight 1.57 ozAbove Average
Dimensions L 1.56 in
W 0.77 in
H 1.41 in
Drivetrain
Motor Type Brushed
Gears Plastic
Gear Spline/Teeth 24 T estimate
Rotation Mode Positional
Rotation/Support Single Bearing
Control & Signal
Modulation Analog
Direction Clockwise
Rotational Range 90°
Pulse Cycle 20 ms
Pulse Width 900-2100 µs
Neutral Position 1500 µs
Dead Band 6 µs
Angle Sensor Potentiometer
Control System PWM
Electrical & Environment
Operating Voltage 4.8–6 V
Temperature -20–60 °C
Idle Current 0.008 A
Connectivity
Connector Z
Wire Length 300 mm

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

TorqueAverage
Stronger than 38% of 192 Analog Standard servos at 4.8V
SpeedBelow Average
Faster than 19% of 190 Analog Standard servos at 4.8V
WeightAbove Average
Lighter than 68% of 448 Analog Standard servos

Performance Analysis

Shaft Power 0.51–0.83 W
Power Density0.491 W/in³
More power-dense than 39% of 437 Analog Standard servos
Torque Density1.3730 oz-in/g
Stronger than 35% of 192 Analog Standard servos
Torque-to-Volume Ratio36.08 oz-in/in³
Denser torque than 38% of 192 Analog Standard servos
Speed-to-Weight0.10215 (1/sec·g)
Faster than 33% of 190 Analog Standard servos
Speed-Torque Trade-off13.44
Better balanced than 50% of 190 Analog Standard servos
Torque Gain per Volt20.87%/V
More voltage-responsive (torque) than 82% of 145 Analog Standard servos
Speed Gain per Volt24.51%/V
More voltage-responsive (speed) than 94% of 147 Analog Standard servos
Voltage Range Width1.2 V
Wider voltage range than 59% of 229 Analog Standard servos
Dead-Band-to-Pulse-Width Ratio0.0050
Finer dead band than 29% of 49 Analog Standard servos

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