Home > Speed Controller > Car / Air > Speed controllers - AIR   Speed controllers - AIR  S505 : Speed controllers (air) AIR-60 (=MOS 56)  S506 : Speed controllers (air) OPTO-44 (=MOS 48)  S507 : Speed controllers (air) OPTO-100 (=MOS 85) Product Details     S505 Speed controllers (air) AIR-60 (=MOS 56) S506 Speed controllers (air) OPTO-44 (=MOS 48) S507 Speed controllers (air) OPTO-100 (=MOS 85) Model No. Air - 33 Air - 60 OPTO - 44 OPTO - 100  Input Voltage 7.2V ~14.4V 7.2V ~14.4V 8.4V ~36V 8.4V ~36V  Forward  Current 33A/100A 60A/150A 44A/120A 100A/200A ohm   9.3m ohm 3.3m ohm 7m ohm 2m ohm  B.E.C.    6~7 Ni-cd Max 1A/2min. Max 1A/2min. OPTOCUPLER 7~10 Ni-cd  Max 0.4A/2min. Max 0.4A/2min. OPTOCUPLER  Frequency 300Hz 500Hz 500Hz 500Hz  Voltage Cut Off 5.6V 5.6V 6.5V 6.5V  E-Brake Time 0.5~1.5sec. 0.5~1.5sec. 0.5~1.5sec. 0.5~1.5sec.  Size 0.3"x1 1/8"x13/4" 0.3"x1 1/8"x13/4" 0.4"x1 1/8"x13/4" 0.4"x1 1/8"x21/4"  Weight 1.97 Oz 1.97 Oz 2.22 Oz 2.22 Oz * Over-Temperature cut off * Gentle spin-up * Power MOSFET switch transistor * High level of reliability * SMD-technology(meets highest performance requirement * Wide level of functionalty