elektronische bauelemente sf51g ~ sf55g voltage 50 ~ 600 v 5 a, glass passivated super fast rectifiers 01-june-2008 rev. b page 1 of 2 rohs compliant product a suffix of ?-c? specifies halogen & lead-free features z low forward voltage drop z high current capability z high reliability z high surge current capability z high speed switching packaging information z glass-passivated z case: molded plastic z epoxy: ul 94v-0 rate flame retardant z lead: axial leads, solderable per mil-std-202, method 208 guaranteed z polarity: color band denotes cathode end z mounting position: any z weight: 1.1050 grams (approximately) maximum ratings and electrical characteristics rating 25 c ambient temperature unles s otherwise specified. single phase half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. type number sf51g sf52g sf53g SF54G sf55g units max. repetitive peak reverse voltage 50 100 200 400 600 v max. rms voltage 35 70 140 280 420 v max. dc blocking voltage 50 100 200 400 600 v max. average forward rectified current 0.375? (9.5 mm) lead length at t a = 55 c 5.0 a peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) 100 a max. instantaneous forward voltage at 5.0a 1.0 1.30 1.70 v max. dc reverse current at rated dc blocking voltage t a = 25 c t a = 100 c 5.0 50 a maximum reverse recovery time (note 1) 35 50 ns typical junction capacitance (note 2) 50 pf storage temperature -65 ~ +150 c notes: 1. reverse recovery time test conditions: i f = 0.5 a, i r = 1.0 a, i rr = 0.25 a 2. measured at 1 mhz and applied reverse voltage of 4.0 v d.c. a c b a d millimete r ref. min. max. a 25.4 (typ) b 7.20 9.53 c 5.00 5.60 d 1.20 1.32 do-27
elektronische bauelemente sf51g ~ sf55g voltage 50 ~ 600 v 5 a, glass passivated super fast rectifiers 01-june-2008 rev. b page 2 of 2 ratings and characteristic curves (sf51g thru sf55g) 0.1 1.0 10 50 fig.4-typical reverse fig.1- test circuit diagram and reverse recovery time characteristic characteristics fig.2-typical forward current average forward current,(a) fig.6-typical junction capacitance reverse voltage,(v) junction capacitance,(pf) reverse leakage current, (m a) 1 2 3 4 5 6 175 150 125 100 75 50 25 0 (+) (+) 25vdc (approx.) ( ) ( ) 10 noninductive 50 noninductive w w pulse generator (note 2) oscilliscope (note 1) 1 non- inductive w notes: 1. rise time= 7ns max., input impedance= 1 megohm.22pf. 2. rise time= 10ns max., source impedance= 50 ohms. +0.5a 0 -0.25a -1.0a | | | | | | | | 1cm set time base for 50 / 10ns / cm trr .01 .05 .1 .5 1 5 10 50 100 d.u.t. 3.0 single phase half wave 60hz resistive or inductive load 0.375"(9.5mm) lead length derating curve tj=100 c tj=25 c 30 0 60 90 120 150 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method 0 0 25 50 75 100 125 150 175 ambient temperature,( c) 0 percent of rated peak reverse voltage,(%) 20 40 60 80 100 120 140 peak forward surge current,(a) fig.5-maximum non-repetitive forward surge current 0.1 1.0 .01 10 50 fig.3-typical forward characteristics instantaneous forward current,(a) forward voltage,(v) pulse width 300us 1% duty cycle .4 .6 .8 1.0 1.2 1.4 1.6 1.8 3.0 SF54G s f 55g sf51g ~sf53g tj=25 c
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