... years warranty 12V 2.1A Switching Power Supply S-25-12 Specification: MODELS-25-12OUTPUTDC VOLTAGE12VRATED CURRENT2.1ACURRENT RANGE0 ~ 2 ... -4-2,3,4,5; ENV50204, EN55024, Light industry level, criteria AOTHERSMTBF330.8K hrs min. MIL-HDBK-217F (25º ... noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf ... LED Single Output Switching Power Supply S-35-12