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100 mm Stroke 4 lb Thrust Light Duty Linear Servo

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The L12-R series of small linear servos operate as a direct replacement for standard rotary servos. They use the same standard 3 wire connector, ground power and control. Regardless of how you drive your servos, be it with an RC receiver, an Arduino board, or a VEX micro-controller, the L12-R servo will function in place of a regular servo, but with the added benefit of providing linear motion.

These hobby grade units are constructed using an anodized aluminum shaft, metal gearbox, brass screw and steel ball bearings. These actuators are built to last and look stylish on your models. 

NOTE: The L12-R will not operate with Futaba receivers like the R6014FS that output 2.7 volts. You will need a Smart Fly Power Expander or Orbit Power Jack to bring the signal level up to 5vdc for the L12-R to operate. 

These linear servos are approved by First Tech Challenge and are compatible with their allowed servo controllers 

Need more power? Check out the L16-R series Linear Servos

Included Mounting Hardware:


3 Position Header 0.100" (2.54mm) Pitch


8-32 Lock Nut


8-32 x 0.625 Screw


Square Body Bracket




M6 x 1.0mm Nylon Nut


M6 x 1.0mm Stud Actuator End Cap




L12 schematic compressed


L12 schematic extended

Hardware Schematic
Actuanoix Hardware Schematic

Voltage Range (Recommended) 4.5 - 7.5 V
Product Weight 2.50 oz
Pulse Amplitude 3 - 5 V
Operating Temperature -10°C ~ +50°C
Speed (No Load)* 25 mm per second
Current Drain (No-Load)* 7.2 mA
Current Drain (Stall)* 460 mA
Dynamic Thrust* 22 N
Static Load 200 N powered on, 12 N powered off
Motor Type Brushed DC
Internal Feedback Style 11 KΩ / inch
Potentiometer Linearity Less than 2.00%
Gear Ratio 50:1
Wire Length 300 mm
Wire Gauge 26 AWG
Electrical Connection Male Servo Connector
Ingress Protection (IP) IP54
Duty Cycle 20%
Stroke 100 mm

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