dated : 22/06/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) CDG22...cdg26 silicon planar biasing diodes the biasing diode is a silic on glass diode suitable for use as general pur pose biasing diode. absolute maximum ratings (t a = 25 o c) parameter symbol value unit breakdown voltage bv 4 v power dissipation p d 250 mw operating temperature range t opr - 65 to + 175 o c storage temperature range t s - 65 to + 200 o c characteristics at t a = 25 o c unless otherwise noted parameter symbol min. max. unit forward voltage at i f = 2 ma CDG22 cdg23 cdg24 cdg25 cdg26 v f 520 595 615 635 660 600 625 645 665 700 mv mv mv mv mv reverse current at v r = 4 v at v r = 4 v, t a = 65 o c i r - - 0.1 2 a max. 3.9 max. 1.9 glass case do-35 max. 0.5 min. 27.5 min. 27.5 xxx cathode band part no. st "st" brand dimensions in mm black black black
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