philips semiconductors product specification rectifier diodes by249 series general purpose features symbol quick reference data ? low forward volt drop v r = 300 v / 600 v / 800 v ? high thermal cycling performance ? low thermal resistance v f 1.05 v i f(av) = 7 a i fsm 60 a general description pinning sod59 (to220ac) glass-passivated double diffused pin description rectifier diodes. the devices are intended for low frequency power 1 cathode rectifier applications. 2 anode the by249 series is supplied in the conventional leaded sod59 tab cathode (to220ac) package. limiting values limiting values in accordance with the absolute maximum system (iec 134). symbol parameter conditions min. max.unit unit by249 -300 -600 -800 v rsm peak non-repetitive reverse - 300 600 800 v voltage v rrm peak repetitive reverse - 300 600 800 v voltage v rwm crest working reverse voltage - 200 500 700 v v r continuous reverse voltage - 200 500 700 v i f(av) average forward current 1 sinusoidal; a = 1.57; t mb 131 ?c - 7 a i f(rms) rms forward current - 11 a i frm peak repetitive forward sinusoidal; a = 1.57; - 60 a current i fsm peak non-repetitive forward t = 10 ms - 60 a current. t = 8.3 ms - 66 a sinusoidal; t j = 150 ?c prior to surge; with reapplied v rwm(max) i 2 ti 2 t for fusing t = 10 ms - 18 a 2 s t stg storage temperature -40 150 ?c t j operating junction - 150 ?c temperature k a 12 1 tab 2 1 neglecting switching and reverse current losses. september 1998 1 rev 1.300
philips semiconductors product specification rectifier diodes by249 series general purpose thermal resistances symbol parameter conditions min. typ. max. unit r th j-mb thermal resistance junction to - - 2.0 k/w mounting base r th j-a thermal resistance junction to in free air. - 60 - k/w ambient static characteristics t j = 25 ?c unless otherwise stated symbol parameter conditions min. typ. max. unit v f forward voltage i f = 20 a - 1.2 1.6 v i f = 5 a; t j = 100 ?c - 0.9 1.05 v i r reverse current v r = v rwm ; t j = 125 ?c - 0.1 0.4 ma september 1998 2 rev 1.300
philips semiconductors product specification rectifier diodes by249 series general purpose fig.1. maximum forward dissipation p f = f(i f(av) ); square wave where i f(av) =i f(rms) x ? d. fig.2. maximum forward dissipation p f = f(i f(av) ); sinusoidal current waveform where a = form factor = i f(rms) / i f(av) . fig.3. maximum non-repetitive rms forward current. i f = f(t p ); sinusoidal current waveform; t j = 150?c prior to surge with reapplied v rwm . fig.4. typical and maximum forward characteristic i f = f(v f ); parameter t j fig.5. transient thermal impedance z th = f(t p ) 024681012 0 5 10 15 d = 1.0 0.5 0.2 0.1 by249 if(av) / a pf / w tmb(max) / c 150 140 130 120 rs = 0.0200 ohms vo = 1.0120 v d = t p t p t t t i 1ms 10ms 0.1s 1s 10s tp / s ifs(rms) / a by229 80 70 60 50 40 30 20 10 0 ifsm 0 2 4 6 8 by249 if(av) / a pf / w 15 10 5 0 a = 1.57 1.9 2.2 2.8 4 tmb(max) / c 150 140 130 120 vo = 1.012 v rs = 0.02 ohms 0 1 2 by249 vf / v if / a 30 20 10 0 0.5 1.5 typ max tj = 100 c tj = 25 c 1us 10us 100us 1ms 10ms 100ms 1s 10s 0.001 0.01 0.1 1 10 by229 pulse width, tp (s) transient thermal impedance, zth j-mb (k/w) d = t p t p t t p t d september 1998 3 rev 1.300
philips semiconductors product specification rectifier diodes by249 series general purpose mechanical data dimensions in mm net mass: 2 g fig.6. sod59 (to220ac). pin 1 connected to mounting base. notes 1. refer to mounting instructions for to220 envelopes. 2. epoxy meets ul94 v0 at 1/8". 10,3 max 3,7 2,8 3,0 3,0 max not tinned 1,3 max (2x) 2,4 0,6 4,5 max 5,9 min 15,8 max 1,3 0,9 max (2x) 13,5 min 5,08 12 september 1998 4 rev 1.300
philips semiconductors product specification rectifier diodes by249 series general purpose definitions data sheet status objective specification this data sheet contains target or goal specifications for product development. preliminary specification this data sheet contains preliminary data; supplementary data may be published later. product specification this data sheet contains final product specifications. limiting values limiting values are given in accordance with the absolute maximum rating system (iec 134). stress above one or more of the limiting values may cause permanent damage to the device. these are stress ratings only and operation of the device at these or at any other conditions above those given in the characteristics sections of this specification is not implied. exposure to limiting values for extended periods may affect device reliability. application information where application information is given, it is advisory and does not form part of the specification. philips electronics n.v. 1998 all rights are reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, it is believed to be accurate and reliable and may be changed without notice. no liability will be accepted by the publisher for any consequence of its use. publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights. life support applications these products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify philips for any damages resulting from such improper use or sale. september 1998 5 rev 1.300
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