EFRD-S257 dc to dc 250w erp1u redundant power module features: high efficiency >80% 250w with +12v, -12v and +5vsb output 0~50 working temperature dimension: 50.5(w) x 40(h) x 220(d) mm general specification input range : -36v~-72vdc efficiency: R 80% @ -48vdc short circuit protection over current protection over voltage protection no load operation over temperature protection mtbf >100,000 hours@25 operating temperature: 0 to 50 operating humidity: 20 to 90 % emi/rfi: ce, fcc class a safety: ul, cb, tuv, ccc input and output characteristics input output voltage current load +12v -12v +5vsb -36v~-72 9~4.5a max.load 20a 0.5a 2a vdc min.load 0.8a 0a 0a note: noise bandwidth is from dc to 20 mhz ripple and noise output +12v -12v 5vsb load regulation 5% 5% 5% line regulation 1% 1% 1% ripple & noise 120mv 120mv 60mv
mechanical outline dimension: 50.5x40x220(mm) outline drawing ?etasis electronic corporation. all rights reserved . etasis electronics corporation reserves the right to make changes to their products, specification, or to discontinue any prod uct and its service at anytime without notice. the information and specification from etasis is believed to be accurate and reliable. how ever, etasis assumes no responsibility for any busi ness loss due to specification changes. etasis products are not designed to be use d in system deemed to be critical, or in any system wherein failure or malfunction could result in injury or death.
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