ø6mm Miniature Planetary Gear Motors    
GH612 SERIES                                                                          
Mechanical Details And Specifications         
Part no.     GH6121S   GH6122S   GH6123S   GH6124S      
Motor Spec
Operating Voltage   3V   3V   3V   3V  
Speed (approx.)     31000 rpm   31000 rpm   31000 rpm   31000 rpm  
No. of gear stages   1   2   3   4   Gearhead Spec
Gear Ratio     1:5.14   1:26.45   1:136.02   1:699.55  
Voltage   3V   3V   3V   3V   No Load
Speed (approx.) 5000 rpm 1000 rpm 200 rpm 40 rpm
Current(approx.)     40 mA   40 mA   40 mA   40 mA  
Maximum Torque (approx.) 5 gcm 25 gcm 120 gcm 200 gcm Max. Output Torque
Length with motor L1     17.80 mm   19.60 mm   21.40 mm   23.20 mm   Physical
Motor Length  L2 12 mm 12 mm 12 mm 12 mm
Shaft Diameter   1.5 mm   1.5 mm   1.5 mm   1.5 mm  
Weight     1.6 g   1.7 g   1.8 g   1.9 g  
Gearhead Material   Plastic   Plastic   Plastic   Plastic      
 
Gearhead Layout  
 
Nominal Tolerance +/- 0.1mm unless otherwise specified Unit: mm
 
Specifications subject to change without notice.