Snappy opto led driver psu snp cv series in line cst snappy psu snp20 12vf the snappy optoelectronics psu snp20 12vf is a 12v dc led power supply that has been carefully manufactured for excellent performance and optimal stability it is compliant with international standards safe and reliable this led power supply is the perfect choice and it can be used to light led light fixtures and other electronic equipment which need a constant voltage of 12v dc snappy psu snp20 12vf power supply