number: db-061 april 2009 / d page 1 tak cheong ? preliminary datasheet 500mw quadro mini-melf hermetically sealed glass fast switching diodes absolute maximum ratings t a = 25c unless otherwise noted symbol parameter value units p d power dissipation 500 mw t stg storage temperature range -65 to +150 c t j operating junction temperature +150 c w iv working inverse voltage 75 v i o average rectified current 150 ma i fm non-repetitive peak forward current 450 ma i fsurge peak forward surge current 2 a these ratings are limiting values above which the serviceability of the diode may be impaired. specification features: ? fast switching device ( t rr <4.0 ns) ? quadro mini-melf package ? surface device type mounting ? hermetically sealed glass ? compression bonded construction ? all external surfaces are corrosion resistant and terminals are readily solderable ? rohs compliant ? matte tin (sn) lead finish ? color band indicates negative polarity electrical characteristics t a = 25c unless otherwise noted limits symbol parameter test condition min max unit b v breakdown voltage i r =100a i r =5a 100 75 volts i r reverse leakage current v r =20v v r =75v 25 5 na a v f forward voltage tcls4448, TCLS914B tcls4448, tcls4148 tcls4448, TCLS914B i f =5ma i f =10ma i f =100ma 0.62 0.72 1.0 1.0 volts t rr reverse recovery time i f =i r =10ma r l =100 i rr =1ma 4 ns c capacitance v r =0v, f=1m hz 4 pf cathode anode electrical symbol tcls4148/tcls4448/TCLS914B cathode band color : black
number: db-061 april 2009 / d page 2 tak cheong ? preliminary datasheet package outline case outline quadro mini-melf millimeters inches dim min max min max a 3.30 3.70 0.130 0.146 b 1.40 1.60 0.055 0.063 c 0.35 0.45 0.014 0.018 d typical 1.8 typical 0.071 notes: 1. jedec do-213 aa 2. polarity denoted by a band. b c a d >r3 (r 0.12)
number: db-100 april 14, 2008 / a disclaimer notice tak cheong ? notice the information presented in this document is for reference only. tak cheong reserves the right to make changes without notice for the specification of the products displayed herein. the product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used with equipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controlle rs and other safety devices), tak cheong semiconductor co., ltd., or anyone on its behalf, assumes no responsi bility or liability for any damagers resulting from such improper use of sale. this publication supersedes & replaces all information reviously supplied. for additional information, please visit our website http://www.takcheong.com , or consult your nearest tak cheong?s sales office for further assistance.
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