philips semiconductors product specification rectifier diodes byv143f, byv143x series schottky barrier features symbol quick reference data ? low forward volt drop ? fast switching v r = 35 v/ 40 v/ 45 v ? reverse surge capability ? high thermal cycling performance i o(av) = 20 a ? isolated package v f 0.6 v general description dual, common cathode schottky rectifier diodes in a plastic envelope with electrically isolated mounting tab. intended for use as output rectifiers in low voltage, high frequency switched mode power supplies. the byv143f series is supplied in the sot186 package. the byv143x series is supplied in the sot186a package. pinning sot186 sot186a pin description 1 anode 1 (a) 2 cathode (k) 3 anode 2 (a) tab isolated limiting values limiting values in accordance with the absolute maximum system (iec 134) symbol parameter conditions min. max. unit byv143f- 35 40 45 byv143x- 35 40 45 v rrm peak repetitive reverse - 35 40 45 v voltage v rwm working peak reverse - 35 40 45 v voltage v r continuous reverse voltage t hs 82 ?c - 35 40 45 v i o(av) average rectified output square wave; d = 0.5; - 20 a current (both diodes t hs 83 ?c conducting) i frm repetitive peak forward square wave; d = 0.5; - 20 a current per diode t hs 83 ?c i fsm non-repetitive peak forward t = 10 ms - 100 a current per diode t = 8.3 ms - 110 a sinusoidal; t j = 125 ?c prior to surge; with reapplied v rrm(max) i rrm peak repetitive reverse pulse width and repetition rate - 1 a surge current per diode limited by t j max t j operating junction - 150 ?c temperature t stg storage temperature - 65 175 ?c k a1 a2 13 2 12 3 case 123 case june 1998 1 rev 1.100
philips semiconductors product specification rectifier diodes byv143f, byv143x series schottky barrier isolation limiting value & characteristic t hs = 25 ?c unless otherwise specified symbol parameter conditions min. typ. max. unit v isol peak isolation voltage from sot186 package; r.h. 65%; clean and - - 1500 v all terminals to external dustfree heatsink v isol r.m.s. isolation voltage from sot186a package; f = 50-60 hz; - - 2500 v all terminals to external sinusoidal waveform; r.h. 65%; clean heatsink and dustfree c isol capacitance from pin 2 to f = 1 mhz - 10 - pf external heatsink thermal resistances symbol parameter conditions min. typ. max. unit r th j-hs thermal resistance junction per diode - - 5.7 k/w to heatsink both diodes - - 4.8 k/w (with heatsink compound) r th j-a thermal resistance junction in free air - 55 - k/w to ambient electrical characteristics t j = 25 ?c unless otherwise specified symbol parameter conditions min. typ. max. unit v f forward voltage i f = 15 a; t j = 125?c - 0.55 0.62 v i f = 20 a - 0.65 0.8 v i r reverse current v r = v rwm - 0.12 1.5 ma v r = v rwm ; t j = 100?c - 15 30 ma c d junction capacitance v r = 5 v; f = 1 mhz, t j = 25?c to 125?c - 450 - pf june 1998 2 rev 1.100
philips semiconductors product specification rectifier diodes byv143f, byv143x series schottky barrier fig.1. maximum forward dissipation p f = f(i f(av) ) per diode; square current waveform where i f(av) =i f(rms) x ? d. fig.2. maximum forward dissipation p f = f(i f(av) ) per diode; sinusoidal current waveform where a = form factor = i f(rms) / i f(av) . fig.3. typical and maximum forward characteristic i f = f(v f ); parameter t j fig.4. typical reverse leakage current per diode; i r = f(v r ); parameter t j fig.5. typical junction capacitance per diode; c d = f(v r ); f = 1 mhz; t j = 25?c to 125 ?c. fig.6. transient thermal impedance; per diode; z th j-hs = f(t p ). 0 5 10 15 20 25 0 5 10 15 0.5 0.2 0.1 byv143x rs = 0.014 ohms vo = 0.404 v average forward current, if(av) (a) forward dissipation, pf (w) d = 1.0 ths(max) (c) 150 121.5 93 64.5 t i d = t p t p t t 0 25 50 100 10 1 0.1 0.01 reverse current, ir (ma) reverse voltage, vr (v) pbyr3045wt 50 c 75 c 100 c 125 c tj = 25 c 0 5 10 15 0 5 10 15 a = 1.57 1.9 2.2 2.8 4 byv143 rs = 0.014 ohms vo = 0.404 v average forward current, if(av) (a) forward dissipation, pf (w) ths(max) (c) 150 121.5 93 64.5 1 10 100 100 10000 1000 cd / pf vr / v pbyr3045ct 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 10 20 30 40 50 byv143 forward voltage, vf (v) forward current, if (a) tj = 25 c tj = 125 c max typ 0.01 0.1 1 10 byv143x 1us 10us 100us 1ms 10ms 100ms 1s 10s pulse width, tp (s) transient thermal impedance, zth j-hs (k/w) d = t p t p t t p t d june 1998 3 rev 1.100
philips semiconductors product specification rectifier diodes byv143f, byv143x series schottky barrier mechanical data dimensions in mm net mass: 2 g fig.7. sot186; the seating plane is electrically isolated from all terminals. notes 1. refer to mounting instructions for f-pack envelopes. 2. epoxy meets ul94 v0 at 1/8". 10.2 max 5.7 max 3.2 3.0 0.9 0.5 4.4 max 2.9 max 4.4 4.0 seating plane 7.9 7.5 17 max 0.55 max 1.3 13.5 min 2.54 5.08 0.9 0.7 12 3 m 0.4 top view 3.5 max not tinned 4.4 june 1998 4 rev 1.100
philips semiconductors product specification rectifier diodes byv143f, byv143x series schottky barrier mechanical data dimensions in mm net mass: 2 g fig.8. sot186a; the seating plane is electrically isolated from all terminals. notes 1. refer to mounting instructions for f-pack envelopes. 2. epoxy meets ul94 v0 at 1/8". 10.3 max 3.2 3.0 4.6 max 2.9 max 2.8 seating plane 6.4 15.8 max 0.6 2.5 2.54 5.08 12 3 3 max. not tinned 3 0.5 2.5 0.9 0.7 m 0.4 15.8 max. 19 max. 13.5 min. recesses (2x) 2.5 0.8 max. depth 1.0 (2x) 1.3 june 1998 5 rev 1.100
philips semiconductors product specification rectifier diodes byv143f, byv143x series schottky barrier 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. june 1998 6 rev 1.100
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