, d nc, 20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 BYW92 series ultra fast recovery rectifier diodes glass-passivated, high-efficiency epitaxial rectifier diodes in do 5 metal envelopes, featuring low forward voltage drop, ultra fast reverse recovery times, very low stored charge and soft recovery characteristic. they are intended for use in switched-mode power supplies and high-frequency circuits in general, where low conduction and switching losses are essential. the series consists of normal polarity (cathode to stud) types. quick reference data repetitive peak reverse voltage average forward current forward voltage reverse recovery time vrrm 'f(av) vf trr BYW92-50 100 max. 50 100 150 200 150 200 v max. 40 a < 0.8 v < 40 ns mechanical data fig.1 do-5: with metric ms stud ( 6 mm); e.g. BYW92-50. with v* in x 28 unf stud (0 6.35 mm); e.g. BYW92-50u. dimensions in mm 15.3 max net mass: 22 g diameter of clearance hole: max. 6.5 mm accessories supplied on request: see accessories section. supplied with device: 1 nut. 1 lock washer torque on nut: min. 1.7 nm (17 kg cm) max. 3.5 nm (35 kg cm) nut dimensions across the flats: m6: 10 mm; k in x 28 unf: 11.1 mm nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished by nj semi-conductors is believed to be both accurate and reliable at the time of going to press. however, nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. nj semi-conductors encourages customers to verify that datasheets are current before placing orders. quality semi-conductors
ratings limiting values in accordance with the absolute maximum system voltages repetitive peak reverse voltage crest working reverse voltage continuous reverse voltage* vrwm BYW92-50 max. 50 max. 50 max. 50 100 100 100 100 150 150 150 150 200 200 200 200 v v v a a a a currents average forward current; switching losses negligible up to 500 khz square wave; 8 = 0.5; up to tmb = 110 c 'f(av) max. 40 uptotmd= 125 c 'f(av) max- 27 sinusoidal; up to tmb = 115 c 'f(av) max. 35 up totmb" 125 c 'f(av) max- 2e r.m.s. forward current 'p(rms) max. 55 a repetitive peak forward current tp = 20 ms; 8 = 0.02 ifrm max. 800 a non-repetitive peak forward current half sine-wave; tj = 150 c prior to surge; with reapplied vrwmmax; t=10ms ipsm max. 500 a t = 8.3 ms 'fsm max- 600 a ijt for fusing (t = 10ms) i2t max. 1250 a2s temperatures storage temperature tstg ?55 to+150 c junction temperature tj max. 150 c thermal resistance from junction to mounting base f th j-mb = 1-0 k/w from mounting base to heatsink a. with heatsink compound rtn m(j.n = 0.3 k/w b. without heatsink compound rjn mb-h = 0.5 -k/w transient thermal impedance; t = 1 ms zfa j.mb = 0.2 k/w mounting instructions the top connector should be neither bent nor twisted; it should be soldered into the circuit so that there is no strain on it. during soldering the heat conduction to the junction should be kept to a minimum.
BYW92 series characteristics forward voltage if- 35a;tj = 150c lf = 100a;tj= 25 c reverse current vr = vrrmrnax;tj=100c t,-= 25 c reverse recovery when switched from if = 1 a to vr > 30 v with -dlp/dt = 100 a/^is; tj = 25 c; recovery time if = 2 a to vr > 30 v with -dlp/dt = 20 a//is; tj = 25 c; recovered charge if - 10 a to vr > 30 v with -dlp/dt = 50 a///s; tj = 100 c; peak recovery current forward recovery when switched to if = 10 a with dlp/dt = 10 a/pis; tj = 25 c vf vf ir |o < 0.8 < 1.3 < 2.5 < 100 v v m ^ vr irrm vfr 40 20 4.5 ns nc a typ. 1.0 v rrm time
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