AHV12VN1KVR5MAP is a combination of switching  step-up technology and linear regulation, which converts the  low input voltage into a stable high output voltage. It comes  with output short-circuit protection and a wide range of  output voltage adjustments. This high voltage power supply  also features ultra-small size, light weight, moisture proof,  shockproof, metal enclosure, and zero EMIs. This is a high  stability high voltage power supply, ideal for photomultiplier  tube, optical measurement, light control technology, nuclear  physics, medical equipment, precision instruments, etc.