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Technical Specifications
Last Updated: 2026-09-14Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | JRPSZ590 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
85.00 oz-in
6.12 kg-cm
0.6 N-m
4.8V
70.00 oz-in
5.04 kg-cm
0.5 N-m
|
| Speed |
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
4.8V
0.18 sec/60°
333.3 deg/s
55.6 RPM
|
| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | 1.60 oz45.4 g |
| Dimensions |
L 1.55 in W 0.73 in H 1.46 in L 39.4 mm W 18.5 mm H 37.1 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | 3-pole |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 23 T estimate |
| Shaft Size | (add) |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Analog |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | (add) |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
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.
Performance Analysis
| Shaft Power | 0.72–1.05 W |
| Torque Density | 1.5419 oz-in/g Stronger than 46% of the 156 Analog Standard servos in the database |
| Torque-to-Volume Ratio | 42.37 oz-in/in³ Denser torque than 54% of the 156 Analog Standard servos in the database |
| Power Density | 0.634 W/in³ More power-dense than 56% of the 421 Analog Standard servos in the database |
| Speed-to-Weight | 0.12237 (1/sec·g) Faster than 61% of the 155 Analog Standard servos in the database |
| Speed-Torque Trade-off | 12.60 Better balanced than 47% of the 155 Analog Standard servos in the database |
| Torque Gain per Volt | 17.86%/V More voltage-responsive (torque) than 65% of the 120 Analog Standard servos in the database |
| Speed Gain per Volt | 16.68%/V More voltage-responsive (speed) than 63% of the 121 Analog Standard servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 55% of the 185 Analog Standard servos in the database |
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Reviews (5)
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jrbacon
May 29, 2014Application(s): Team Losi XXX-SCT
Comments: This servo performed great. I would buy more. It was faster than most stock servos and the torque was just right for a 2wd short course truck. I tried it in my slash 4x4 it worked ok but it needed a bit more torque. so i put it back in my 2wd Losi.
T-MATT
July 26, 2013Application(s): I am using this servo for both steering and throttle/brake applications in a Traxxas Nitro 4-Tec (I am running a TRX 2.5R as the engine).
Comments: This servo is good overall. It is fast, durable, and makes a great throttle/brake servo. However, it really has too much slop in the gears to make an excellent steering servo; will be replacing it soon with a more expensive low profile digital servo.
HMan12
April 29, 2013Application(s): Came RTR in my Losi night crawler as a steering servo
Comments: This servo did not have enough torque and was a little bit slow for what i want it to do
out of stock
May 29, 2012Application(s): came rtr on my 1/8 scale proboat hydroplane. eventually used them as elevator servos for 30cc bird.
Comments: reliable reliable reliable. although i destroyed one attempting to "manually reverse one. the board was directly welded to the motor and i dint see a pot. so i learned the hard way lol good servo none the less.
BigWrenn
February 4, 2011Application(s): Steering servo for 1/10 scale Team Associated RC10B4 buggy.
Comments: One of the best analog servo's I've ever used. Good power and speed for the money.