PHIHONG USA PDA012X Stonehenge series of external ac-dc LED drivers provide extended lifespans of up to 100,000 hours. Devices are designed without E-caps, which dry out over time and shorten the operating life of power supplies. A subset of the broader, the Stonehenge Series consists of two drivers: the PDA012A-350C-H-R for ac inputs of 220-277VAac, and the PDA012B-350C-H-R for ac inputs of 100-120Vac. Both 350mA constant-current drivers operate at an output voltage range of 10-43Vdc. Products operate in temperatures ranging from -40C to 50C at full power and -40C to 60C at reduced output power.
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