The Calex 1W SMT DC/DC converter is housed in a plastic Surface Mount case. The SMT series has an input range of 4.5 to 5.5VDC and 10.8 to 13.2VDC.
The Calex 1W Dual SMT DC/DC converter is housed in a plastic Surface Mount case. The SMT series has an input range of 2:1 for input voltages of 12, 24, and 48VDC.