page 1 of 4 file: qp051-4.doc diodes incorporated document: qp051-4 3050 e. hillcrest drive westlake village, ca 91362 (805) 446-4800 special customer parts specification sheet scs-1254 1. part information part number: b340t-02 issue date: 2/9/01 description: special p d , r jl , r ja , mechanical dimensions series no.: 1254 outline: smc cust. code.: p746a marking: b340+cathode band+dii logo+date code cust. dwg#: 371s0020 package: tape/reel rev. level: b 2. electrical characteristics specifications at 25c ambient temperature unless otherwise specified. parameter test condition max. units maximum recurrent peak reverse voltage v rrm 40 v working peak reverse voltage v rwm 40 v maximum dc blocking voltage v r 40 v maximum average rectified output current (note2) i o @ t t =110 c 3.0 a peak forward surge current i fsm 8.3ms single ? sine- wave superimposed on rated load (jedec method) 100 a instantaneous forward voltage v f @ i f = 3.0a 0.50 v dc reverse current @ rated dc blocking voltage i r @t a =25 c @t a =100 c 0.5 20 ma ma maximum power dissipation p d 1.00 w typical thermal resistance (note 1) r ja 100 c/w typical thermal resistance (note 1) r jl 14 c/w typical junction capacitance c j 1.0 mhz and v r =4.0v dc 300 pf storage and operating temperature range t stg t j -65 to +150 c note 1: unit mounted on pc board with 5.0mm2 (0.013 mm thick) copper pads has heat sink. note 2: for a capacitive load, derate current by 20%.
page 2 of 4 file: qp051-4.doc diodes incorporated document: qp051-4 3050 e. hillcrest drive westlake village, ca 91362 (805) 446-4800 3. mechanical outline a b c d g h e j smc dim min max a 5.59 6.10 b 6.60 7.11 c 2.92 3.07 d 0.15 0.30 e 7.75 8.13 g 0.10 0.20 h 0.76 1.27 j 1.90 2.41 all dimensions in mm 0 0.5 1.0 25 50 75 100 125 150 i average forward current (a) o, t , term ina l tem perature ( c) fig. 1 forward current derating curve t 1.5 2.0 2.5 3.0 0.01 0.1 1.0 10 0 0.2 0.4 0.6 0.8 1.0 i , instantaneous forward current (a) f v , instantaneous forward voltage (v) fig. 2 typical forward characteristics f t - 25oc j i pulse width = 300 ms f
page 3 of 4 file: qp051-4.doc diodes incorporated document: qp051-4 3050 e. hillcrest drive westlake village, ca 91362 (805) 446-4800 0 20 40 60 80 100 110100 i , peak forward surge c urrent (a) f number of cycles at 60 hz fig. 3 max non-repetitive peak fwd surge current single half-sine-wave (jedec method) t = 100c t 10 100 1000 0.1 1 10 100 c , junction capacitance (pf) j v , reverse voltage (v) fig. 4 typical junction capacitance r f = 1 m hz t = 25c j 0 20 40 60 80 100 120 140 i , instantaneous reverse current (ma) r percent of rated peak reverse voltage (%) fig. 5 typical reverse characteristics t = 100oc j t = 75oc j t = 25oc j 100 10 1.0 0.1 0.01 1k
page 4 of 4 file: qp051-4.doc diodes incorporated document: qp051-4 3050 e. hillcrest drive westlake village, ca 91362 (805) 446-4800 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.0 2.0 3.0 4.0 5.0 6.0 1.0 pd, average power dissipation (watts) if , forward current (amps) fig. 6 typical power dissipation (av )
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