page . 1 march 06,2012-rev.00 uf1af series features ? for surface mounted applications ? low profile package ? built-in strain relief ? easy pick and place ? ultrafast recovery times for high efficiency ? plastic package has underwriters laboratory flammability classification 94v-o ? glass passivated junction ? lead free in comply with eu rohs 2002/95/ec directives. ? green molding compound as per iec61249 std. . (halogen free) mechanical data ? case: smbf molded plastic ? terminals: solder plated, solderable per mil-std-750,method 2026 ? approx. weight: 0.0018 ounces, 0.05 grams ? polarity : color band denotes cathode end surface mount ultra fast rectifier notes : 1. mounted on 48cm 2 fr-4 pcb. voltage 50-600 volts 1 ampere current maximum ratings and electrical characteristics (t a =25 o c unless otherwise noted) parameter symbol uf1af uf1bf uf1df uf1gf UF1JF units recurrent peak reverse voltage v rrm 50 100 200 400 600 v rms voltage v rms 35 70 140 280 420 v dc blocking voltage v r 50 100 200 400 600 v average forward current i f(av) 1a peak forward surge current : 8.3ms single half sine-wave superimposed on rated load(jedec method) i fsm 30 a forward voltage at 1.0a v f 11 . 3 1 . 7v dc reverse current at rated dc blocking voltage t j =25 o ci r 1 a typical junction capacitance v r =4v,f=1mh z c j 18 10 8 pf typical thermal resistance ,junction to lead (note 1) junction to ambient (note 1) r jl r ja 20 62.5 o c / w reverse recovery time (i f =0.5a, i r =1.0a,i rr =0.25a) t rr 50 100 ns operating junction temperature and storage temperature range t j ,t stg -55 to +150 o c 1 2 cathode anode
page . 2 march 06,2012-rev.0 0 0 0.2 0.4 0.6 0.8 1 1.2 0 25 50 75 100 125 150 t c , case temperature (c) i f , forward current (a) fig.6 typical reverse characteristics fig.3 typical forward characteristics fig.1 forward current derating curve fig.2 typical junction capacitance 1 10 100 0.1 1 10 100 v r , reverse bias voltage (v) c j , junction capacitance (pf) uf1af / uf1bf/uf1df uf1gf UF1JF 0.01 0.1 1 10 0.2 0.4 0.6 0.8 1 1.2 v f , forward voltage (v) i f , forward current (a) t j = 75c t j = 150c t j = 25c uf1af / uf1bf/uf1df t j = 125c 1 10 100 1000 10000 20 40 60 80 100 percent of rated peak reverse voltage (%) i r ,reverse current (na) t j = 25c t j = 75c t j = 125c t j = 150c uf1af / uf1bf/uf1df fig.4 typical forward characteristics 0.01 0.1 1 10 0 0.5 1 1.5 2 v f , forward voltage (v) i f , forward current (a) uf1gf t j = 150c t j = 75c t j = 25c 0.01 0.1 1 10 0 0.5 1 1.5 v f , forward voltage (v) i f , forward current (a) t j = 75c t j = 25c UF1JF t j = 150c t j = 125c fig.5 typical forward characteristics t j = 125c uf1af series rating and characteristic curves
page . 3 march 06,2012-rev.0 0 fig.7 typical reverse characteristics 1 10 100 1000 10000 100000 20 40 60 80 100 percent of rated peak reverse voltage (%) i r ,reverse current (na) uf1gf t j = 150c t j = 125c t j = 75c t j = 25c fig.8 typical reverse characteristics 1 10 100 1000 10000 100000 20 40 60 80 100 percent of rated peak reverse voltage (%) i r ,reverse current (na) UF1JF t j = 150c t j = 125c t j = 75c t j = 25c uf1af series rating and characteristic curves
page . 4 mounting pad layout ? packing information order information legal statement copyright panjit international, inc 2012 the information presented in this document is believed to be accurate and reliable. the specifications and information herein are subject to change without notice. pan jit makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. pan jit products are not authorized for use in life support devices or systems. pan jit does not convey any license under its patent rights or rights of others. t/r - 5k p er 13" plastic reel smbf unit:inch(mm) 0.256 (6.5) 0.110 (2.8) 0.073 (1.85) (0.087) (2.2) 0 d u f k 5 ( 9 uf1af series
page . 5 for example : rb500v-40 _ r2 _ 00001 part no. serial number version code means hf packing size code means 13" packing type means t/r packing code xx version code xxxxx packing type 1 st code packing size code 2 nd code hf or rohs 1 st code 2 nd ~5 th code t/b a n/a 0 hf 0 serial number t/r r 7" 1 rohs 1 serial number b/p b 13" 2 t/p t 26mm x trr s 52mm y trl l pbcu u forming f pbcd d part no_packing code_version march 06,2012-rev.0 0 uf1af_r1_00001 uf1af_00001 uf1af_r2_00001 uf1af series
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