BYX39 NJSEMI | Alldatasheet
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, O ne.. 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960 BYX39 SERIES CONTROLLED AVALANCHE RECTIFIER DIODES Silicon diodes in a DO—4 metal envelope, capable of absorbing transients and intended for use in power rectifier application. The series consists of the following types: Normal polarity (cathode to stud): BYX39-600 to BYX39-1400. Reverse polarity (anode to stud): BYX39-600R to BYX39-1400R. QUICK REFERENCE DATA BYX39-600(R) Crest working reverse voltage VpyVM max- ^O Reverse avalanche breakdown voltage V(BR)R > 760 Average forward current Non-repetitive peak forward current Non-repetitive peak reverse power dissipation MECHANICAL DATA Fig. 1 DO-4 4,83 max r 10-32UNF max"*' 11.5 800 1000 1200 1400 V 1000 1250 1450 1650 V V 'F(AV) max- 9.5 A 'FSM max. 125 A PRSM max- 4 kw Dimensions in mm 0,8 *| I* I ^. 3 m 4,0 i max jXi^^v. X, A. V ^\\- <x " -*-l 14 J 1,6 min ,2 „__ ax max "*" 20.3 . T W l,l- J 1 , 11 . Jt ma* t~ <Qj j ^ \\^ i-» — 11,0 — J Net mass: 6 g 1°'7 Diameter of clearance hole: max. 5.2 mm Accessories suoolied on reauest: see ACCESSORIES section Supplied with device: 1 nut, 1 lock-washer. Nut dimensions across the flats: 9.5 mm. The mark shown applies to normal polarity types. Torque on nut: ^ min. 0.9 Nm (9 kg cm), max. 1.7 Nm (17 kg cm). 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 ore current before placing orders. Quality Semi-Conductors
Limiting values in accordance with the Absolute Maximum System (IEC134) Voltages* Continuous reverse voltage VR Crest working reverse voltage VRWM max. BYX39-600IR) max. 600 max. 600 800(R) 800 800 1000(R) 1000 1000 1200(R) 1200 1200 1400(R) 1400 V 1400 V Currants Average forward current (averaged over any 20 ms period) up to Tm|, = 85 °C atTmb-1250C R.M.S. forward current Repetitive peak forward current Non-repetitive peak forward current t = 10 ms (half sine-wave); Tj = 175 °C prior to surge; with reapplied VRWMmax I3t for fusing (t = 10 ms) Reverse power dissipation Average reverse power dissipation (averaged over any 20 ms period); Tj = 125 °C Repetitive peak reverse power dissipation t = 10 MS (square-wave; f = 50 Hz); Tj = 125 °C Non-repetitive peak reverse power dissipation t« 10 ps (square-wave) Tj = 25 °C prior to surge Tj = 175 °C prior to surge Temperatures Storage temperature Junction temperature 'F(AV) 'F(AV) 'FIRMS) 'FRM 'FSM i2t PR(AV) PRRM PRSM PRSM Tstg TJ max. 9.5 max. 6.0 max. 15 max. 100 max. 125 max. 78 max. 10 max. 2 max, 4 max. 0.8 -55 to +175 max. 175 A A A A A AJs W kW kW kW
From junction to ambient in free air From junction to mounting base From mounting base to heatsink without heatsink compound with heatsink compound with mica washer Transient thermal impedance; t = 1 ms CHARACTERISTICS Forward voltage IF = 20 A;T,-=25°C Vr; Rth j-a Rth j-mb Rth mb-h Rth mb-h Rth mb-h zth j-mb 4.5 1.0 0.5 2.0 0.35 °C/W °C/W °C/W °C/W °C/W °C/W Reverse avalanche breakdown voltage BYX39-600(R) < 1.7 > 750 < 2400 < 200 800(R) 1.7 1000 2400 200 1000(R) 1.7 1250 2400 200 1200(R) 1.7 1450 2400 200 1400(R) 1.7 V 1650 V 2400 V 200 nt V(BR)R Reverse current VR = vRWMmax; Tj=125°C IR OPERATING NOTES The top connector should neither be 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.