Discover XQ-Power Servos in Our eBay Store!

Shop Now
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 37% of 198 Analog Standard servos at 4.8V
SpeedBelow Average
Faster than 21% of 195 Analog Standard servos at 4.8V
WeightAbove Average
Lighter than 69% of 447 Analog Standard servos

Performance Analysis

Shaft Power 0.51–0.83 W
Power Density0.491 W/in³
More power-dense than 40% of 432 Analog Standard servos
Torque Density1.3730 oz-in/g
Stronger than 36% of 198 Analog Standard servos
Torque-to-Volume Ratio36.08 oz-in/in³
Denser torque than 38% of 198 Analog Standard servos
Speed-to-Weight0.10215 (1/sec·g)
Faster than 35% of 195 Analog Standard servos
Speed-Torque Trade-off13.44
Better balanced than 51% of 195 Analog Standard servos
Torque Gain per Volt20.87%/V
More voltage-responsive (torque) than 84% of 156 Analog Standard servos
Speed Gain per Volt24.51%/V
More voltage-responsive (speed) than 94% of 156 Analog Standard servos
Voltage Range Width1.2 V
Wider voltage range than 58% of 239 Analog Standard servos
Dead-Band-to-Pulse-Width Ratio0.0050
Finer dead band than 35% of 56 Analog Standard servos

Similar Active Servos

Reviews of Hitec HS-545BB

Be the first to review!

Submit a review of Hitec HS-545BB