The G251 is one of Geckodrive's newest low-price, high-quality step motor drives. This is in essence a miniaturized version of the G201 complete with a heatsink plate and 3.5mm 12 position connector.

• 3.5A 50VDC maximum
  
• Digitally filtered STEP, DIRECTION and DISABLE inputs
• 3.3V and 5V logic compatible inputs
• 300 kHz maximum step pulse frequency
• Top settable Adjust trimpot
• Power LED indicator
• No user settable jumpers
  
• 20 kHz switching frequency
• Mid-band resonance compensated
• Microstep to full step morphing at higher speeds
• Small size
  
• Four layer PCB
  
• Discrete all N-channel MOSFET full bridge design
• 14A rated power MOSFETs
• 3.5mm 12 position connector with screw type terminal
• Recirculate mode while the motor is stopped, reducing motor heating