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Theta Razor-TH1
Low Profile

Theta Razor-TH1

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-11-03
Identity
Brand Theta
Product Number TS-RTH1
Category Hobby
Performance
Torque
8.4V 416.62 oz-in
7.4V 388.85 oz-in
6.0V 361.07 oz-in
5.0V 305.52 oz-in Above Average
Speed
8.4V 0.05 sec/60°
7.4V 0.06 sec/60°
6.0V 0.07 sec/60°
5.0V 0.08 sec/60° Above Average
Stall Current 3–5 ABelow Average
Physical
Weight 2.12 ozBelow Average
Dimensions L 1.61 in
W 0.81 in
H 1.16 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Steel
Gear Spline/Teeth 25 T
Shaft Size 6.00 mm
Rotation Mode Positional
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 90°
Mechanical Limit 180°
Pulse Width 500-2500 µs
Neutral Position 1520 µs
Dead Band 4 µs
Refresh Rate 400 Hz
Angle Sensor Magnetic Encoder
Control System PWM
Programmable Yes
Electrical & Environment
Operating Voltage 5–8.4 V
Connectivity
Connector JR (Universal) estimate
Wire Length 300 mm
Origin
Country of Origin USA

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

TorqueAbove Average
Stronger than 88% of 186 Digital Low Profile servos at 5.0V
SpeedAbove Average
Faster than 79% of 183 Digital Low Profile servos at 5.0V
WeightBelow Average
Lighter than 20% of 304 Digital Low Profile servos
Stall CurrentBelow Average
Lower draw than 15% of 81 Digital Low Profile servos

Performance Analysis

Shaft Power 7.15–15.10 W
Power Density9.985 W/in³
More power-dense than 93% of 273 Digital Low Profile servos
Torque Density5.0921 oz-in/g
Stronger than 89% of 185 Digital Low Profile servos
Torque-to-Volume Ratio201.96 oz-in/in³
Denser torque than 88% of 186 Digital Low Profile servos
Speed-to-Weight0.21097 (1/sec·g)
Faster than 59% of 182 Digital Low Profile servos
Speed-Torque Trade-off24.14
Better balanced than 79% of 183 Digital Low Profile servos
Current-per-Torque Ratio0.0164 A/oz-in
More efficient than 67% of 58 Digital Low Profile servos
Torque Gain per Volt10.70%/V
More voltage-responsive (torque) than 17% of 164 Digital Low Profile servos
Speed Gain per Volt16.15%/V
More voltage-responsive (speed) than 60% of 163 Digital Low Profile servos
Voltage Range Width3.4 V
Wider voltage range than 60% of 276 Digital Low Profile servos
Dead-Band-to-Pulse-Width Ratio0.0020
Finer dead band than 17% of 79 Digital Low Profile servos

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