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DS390 Digital Precision Micro Metal Gear Servo
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  • Specs
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Key Features

  • Thin and lightweight
  • Ultra-precision electronics
  • Class-lleading torque and speed
  • Ideal for performance electrics, sailplanes and pylon models
  • Durable metal gear train


The DS390 digital precison micro metal gear servo offers class-leading holding torque, zero deadband and the legendary high resolution of JR® servos in a package that's ideal for high-performance sailplanes and electrics. By re-engineering certain internal components, the JR brand has improved upon the precision of the previous generation DS388 servo to give the DS390 servo the performance advantage JR customers demand.

Bearing: Dual
Bushing Or Bearing: Bearing
Gear Type: Metal
Servo Operating Voltage: 4.8 - 6.0V
Servo Size Category: Mini and Micro
Servo Type: Digital
Speed: 0.16 sec/60 deg @ 4.8V; 0.13 sec/60 deg @ 6.0V
Torque: 60 oz-in (4.3 kg-cm) @ 4.8V; 75 oz-in (5.4 kg-cm) @ 6.0V


Product Support Tips

Product Support

Technical questions about this JR product should be directed to JR AMERICAS Support Department:

Horizon Hobby, LLC no longer provides service for JR products. For service needs please contact JR AMERICAS at 217-352-7959 or by email at

Sales Support

If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:

Horizon Hobby, LLC.
ATTN: Consumer Sales

4105 Fieldstone Road
Champaign, IL 61822
Email: Sales Phone:(800) 338-4639
Fax:(217) 355-1552