View By Product Type
View By Manufacturer
Overstock Sales
Micro and Sub-Micro
Standard Size Servos
Retract And
Low Profile
Car Servos
Digital Servos
Plastic Gear Sets
Metal Gear Sets
Servo Cases
Horn Sets & Accessories
Catalog > Servos and Parts > Blue Bird Servos > Micro and Sub-Micro Servos
Previous Item     Next Item     Show All Items      
BMS-303 Coreless Sub-Micro Servo with S-Connector
Item: 1 of 13  

Click on image for larger or alternate view.
  Weight:     4.1 grams / 0.14 oz (with wire/connector)  
  Size:     15.5 x 7.5 x 19 mm / 0.61 x 0.3 x 0.75 in  
  Torque At 4.8V:     10  
  Speed At 4.8V:     0.11 sec / 60°  
  Torque At 6.0V:     N/A  
  Speed At 6.0V:     N/A  
  Ball Bearing:     No  
  Metal Gears:     No  
This servo comes with JR/Hitec S Connector also known as a "Universal Connector". Note: Even thought this servo comes with JR/Hitec S Connectors, this servo is electrically compatible with Futaba receivers. Follow the wiring diagram below. If you hook this up incorrectly nothing bad will happen to the servo. Just flip the S connector and around and the servo will work correctly.
  "S" Type Connector    Futaba "J" Connector    Wire Info 

Brown Wire

Black Wire

  Battery Negative 

Red Wire

Red Wire

  Battery Positive 

Orange Wire

White Wire


WARNING: Using the servo arm to turn the servo motor may cause the gears to break or jump and the servo will stop functioning correctly. This is true for all servos regardless of servo manufacturer. BP Hobbies assumes no responsibility once this kind of damage. This can also occur as a result of crash damage or hard landing. Once you install and use a servo BP Hobbies assumes no responsibility any damages that may occur.
Replacement Parts & Accessories:
  • BMS-303 Gear Set

  • BMS-303 Accessory Package

  • BMS-303 Outside Case

  • BMS-303/306 Servo Arm Screws (Bag of 10)

  • Manufacturer's Specifications
    Price: $11.95
    Currently Out Of Stock
    Prices, product specifications, and product availability are subject to change without notice.
    © Copyright 1998-2017, 2018 BP Hobbies, LLC. All rights reserved.