page:p2 - p 1 chip diodes guangdong hottech industrial co,. ltd. switching diode fe a tures ? silicon epitaxial planar diode ? smd chip pattern, available in variou s dimension included 0 805 & 0 603 ? 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 mech a ni c al chara c teristics ? size: 1 206 ? weight: approx. 1 0 mg ? marking: cathode terminal therm a l c haracteristic s 1) parameter at t a mb =25 o c 1) symbol v alue 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 resis t ance junction to ambient air r ja 375 o c/w operating& storage tempera t ure range t s t g - 55 to 150 o c maximum ratin g 1) parameter at t a mb =25 o c 1) symbol v alue 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 a mb =25c i frm 300 ma n o n - repetitive s u rge f o rward c u rre n t at t<1s and t j =25 o c at t 8.3ms a n d t j =25 o c i fsm 500 ma 1000 ma electric a l charac t eristics 1) parameter at t a mb =25 o c 1) symbol v alue unit forward volta g e at i f =10ma at i f =100ma v f 1.0 max v 1.25 max v leakage c u rr e nt at v r =20v leakage c u rr e nt 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 p rovided that electrodes are kept at ambient temperature. 1 206 l 3.20.2 mm w 1.50.2 mm t 0.850.1 mm c 0.550.2 mm cd4148 w p
page:p2 - p 2 chip diodes guangdong hottech industrial co,. ltd. CD4148WP typical characteristics figure 1. forward characteristic figure 2. power de-rating 0 100 200 300 400 500 0 20 40 60 80 100 120 140 160 180 200 tamb-ambient temperature/oc ptot-admissible power dissipation/ mw figure 3. forward current d e- rating figure 4. reverse voltage de-rating 0 100 200 300 400 500 0 20 40 60 80 100 120 140 160 180 200 tamb-ambient temperature/oc if/ ma . 0 50 100 150 200 0 20 40 60 80 100 120 140 160 180 200 tamb-ambient temperature/oc vr/ v .
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