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Theta THM982
Mini

Theta THM982

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-24
Identity
Brand Theta
Product Number TS-THM982
Category Hobby
Performance
Torque
8.4V 208.30 oz-in
7.4V 194.40 oz-in
6.0V 166.60 oz-in
5.0V 138.90 oz-in Top 10%
Speed
8.4V 0.07 sec/60°
7.4V 0.08 sec/60°
6.0V 0.09 sec/60°
5.0V 0.10 sec/60° Average
Stall Current ≤2.3 ABelow Average
Physical
Weight 1.48 ozBottom 10%
Dimensions L 1.40 in
W 0.59 in
H 1.22 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Metal
Gear Spline/Teeth 25 T
Rotation Mode Positional
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 90°
Mechanical Limit 180°
Pulse Width 500-2500 µs
Neutral Position 760 µs
Dead Band 4 µs
Refresh Rate 400 Hz
Angle Sensor Magnetic Encoder
Control System PWM
Programmable No
Electrical & Environment
Operating Voltage 5–8.4 V
Connectivity
Connector JR (Universal) estimate
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

TorqueTop 10%
Stronger than 92% of 290 Digital Mini servos at 5.0V
SpeedAverage
Faster than 62% of 293 Digital Mini servos at 5.0V
WeightBottom 10%
Lighter than 6% of 505 Digital Mini servos
Stall CurrentBelow Average
Lower draw than 29% of 94 Digital Mini servos

Performance Analysis

Shaft Power 2.57–5.50 W
Power Density5.460 W/in³
More power-dense than 87% of 482 Digital Mini servos
Torque Density3.3071 oz-in/g
Stronger than 79% of 286 Digital Mini servos
Torque-to-Volume Ratio137.84 oz-in/in³
Denser torque than 84% of 288 Digital Mini servos
Speed-to-Weight0.23810 (1/sec·g)
Faster than 20% of 289 Digital Mini servos
Speed-Torque Trade-off13.89
Better balanced than 86% of 288 Digital Mini servos
Current-per-Torque Ratio0.0166 A/oz-in
5th-highest current-per-torque ratio of 58 Digital Mini servos
Torque Gain per Volt14.70%/V
More voltage-responsive (torque) than 38% of 257 Digital Mini servos
Speed Gain per Volt12.60%/V
More voltage-responsive (speed) than 27% of 262 Digital Mini servos
Voltage Range Width3.4 V
Wider voltage range than 68% of 405 Digital Mini servos
Dead-Band-to-Pulse-Width Ratio0.0020
Finer dead band than 24% of 104 Digital Mini servos

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Reviews (5)

Includes 5 reviews aggregated from around the web.

Buyers rate this servo well: four of five reviews on a helicopter retailer's listing are five stars and one is four. Owners call it strong, quiet, precise and good at centering, a good fit for a RAW 420 and competitively priced. The four-star reviewer found the servo solid and reliable over months but disliked the flimsy included horns and the poorly executed programming box.

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