page:p2-p1 chip diodes switching diode features ? silicon epitaxial planar diode ? smd chip pattern, available in various dimension included 0805 & 0603 ? leadfree and rohs compliance components ? for small signal switching and operating ambient temperature less than 55oc and voltage withstand less than 60v; not suitable for ac switching input as rectified circuit and high reverse voltage location mechanical characteristics ? size: 1206 ? weight: approx.10mg ? marking: cathode terminal thermal characteristics 1) parameter at t amb =25 o c 1) symbol value unit forward power dissipation power derating above 25 o c p tot 400 mw 3.2 mw/ o c junction temperature t j 150 o c thermal resistance junction to ambient air r ja 375 o c/w operating& storage temperature range t stg -55 to 150 o c maximum rating 1) parameter at t amb =25 o c 1) symbol value unit repetitive peak reverse voltage v rrm 75 v average rectified current sin half wave rectification w i t h resistive load i f(av) 150 ma repetitive peak forward current at t amb =25c i frm 300 ma non-repetitive surge forward current at t<1s and t j =25 o c at t 8.3ms and t j =25 o c i fsm 500 ma 1000 ma electrical characteristics 1) parameter at t amb =25 o c 1) symbol value unit forward voltage at i f =10ma at i f =100ma v f 1.0 max v 1.25 max v leakage current at v r =20v leakage current at v r =75v i r 0.025 max ua 5 max ua capacitance at v r =0v, f=1m h z c tot 4 max pf reverse recovery time at i f =i r =10ma,r l = 100 t rr 4 max ns 1) valid provided that electrodes are kept at ambient temperature. 1206 l 3.20.2 mm w 1.50.2 mm t 0.850.1 mm c 0.550.2 mm CD4148WP mako semiconductor co., limited 4008-378-873 http://www.makosemi.hk/
p age:p2-p2 chip diodes CD4148WP typical characteristics f igure 1. forward characteristic figure 2. power de-rating 0 100 20 0 300 400 500 0 20 40 60 80 100 120 140 160 180 200 t am b-ambient temperature/oc p t ot-admissible power dissipation/ mw figure 3. forwar d current d e- r ating figure 4. reverse voltage de-rating 0 10 0 20 0 300 400 500 0 20 40 60 80 100 120 140 160 180 200 t am b-ambient temperature/oc if / m a . 0 50 10 0 15 0 200 0 20 40 60 80 100 120 140 160 180 200 t am b-ambient temperature/oc v r / v . mako semiconductor co., limited 4008-378-873 http://www.makosemi.hk/
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