SSD355-LFR page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com super switching chip diode SSD355-LFR features z super switching z chip diode size z low stored charge z rohs mechanical data z case: sod-323 mini melf, dimensions in millimeters z terminals: solderable per mil-std 750 method 2026 z polarity: cathode indicated by color band ratings symbol SSD355-LFR units continuous reverse voltage v r 100 v rectified current average half wave rectification with resist load at t amb 25 and f R 50hz note 1 i o 100 ma surge forward current at t 1 s and t j 25 i fsm 500 ma power dissipation at t amb =25 p tot 350 mw junction temperature t j 175 storage temperature range t s - 55 to + 175 characteristics t j =25 symbol min typ max units forward voltage at i f =100ma v f - - 1 v leakage current at v r =25v at v r =80v i r i r - - - - 30 0.1 na a reverse breakdown voltage tested with 100 a pulses v r 100 - - v capacitance at v f =v r =0 , f = 1.0 mhz c d - - 1.5 pf reverse recovery time from i f =10ma to i r =1ma v r =6v r l =100 t rr - - 4 ns thermal resistance junction to ambient air note 1 r tha - - 0.35 k / mw note 1. leads kept at ambient temp. 2.00.2 1.20.2 r:0.3 0.90.2 cathode electrode anode electrode cathode mar k 2.1 1.25 0.9 recommended land pattern dimensions 1.20.1
SSD355-LFR page: 2 ratings and characteristic curve SSD355-LFR fig. 1-reverse characteristics fig. 2-forward characteristics 120 100 80 60 40 20 0 ir (na) 1000 100 10 1.0 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 typical forward current versus forward voltage , vf (v) if(ma) 10 20 30 50 70 100 typical leakage current versus reverse voltage , vr (v) odes capacitance fig. 4-derating curve 1.2 1.0 0.8 0.6 0.4 0.2 0 0 2 4 6 8 10 typical diodes capacitance versus reverse voltage , vr(v) cd (pf) 600 500 400 300 200 100 0 pd (mw) 0 100 200 power dissipation versus ambient temperature ta ( o c) f=1mhz tj=25 o c scatterin g limi t scattering limit
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