DS398 Digital Precision Micro Metal Gear Thin Wing Servo by JR

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This is the JR DS398 Digital Precision Micro Metal Gear Thin Wing Servo, and is intended for airplane use or any application that requires a thin micro servo. In addition, this servo includes servo horns and hardware, and includes a three year limited manufacturer warranty.

The DS398 Thin Wing Servo offers class leading holding torque, zero deadband, and JR's legendary high resolution in a package that's ideal for high-performance sailplanes and electrics. By re-engineering certain internal components JR has improved upon the precision of the previous generation DS378 servo to give the DS398 the performance advantage JR customers demand.


  • Ultra precision performance for demanding applications
  • Class-leading torque and speed
  • Low profile, making it ideal for thin wing applications
  • Easy installation thanks to side-mounting lugs
  • Low profile, making it ideal for thin wing applications

Size Category: Specialty
Type: Digital
Application: High-performance scale sailplanes electrics and pylon models
Torque: 60 oz-in (4.3kg-cm) @ 4.8V; 75 oz-in (5.4 kg-cm) @ 6.0V
Speed: .16 sec/60 degrees @ 4.8V; .13 sec/60 degrees @ 6.0V
Length: 1.18 in (30mm)
Width: 0.43 in (11mm)
Height: 1.14 in (29mm)
Weight: 0.78 oz (22 g)
Bushing Or Bearing: Bearing
Gear Type: Metal
Voltage: 4.8 - 6.0V

This product was added to our catalog on September 3, 2012.