r l/iity , li ne. 20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 rectifiers high efficiency, 30a center-tap ues2601 ues2602 ues2603 ues2601hr2 UES2602HR2 ues2603hr2 features ? very low forward voltage ? very fast switching speed ? convenient package ? high surge ? low thermal resistance ? mechanically rugged ? both polarities available description this series combines two high efficiency devices into one package, simplifying installation, reducing heat sink require- ments and the need to purchase matched components. absolute maximum ratings peak inverse voltage, ues2601, ues2601hr2 peak inverse voltage, ues2602. UES2602HR2 peak inverse voltage, ues2603, ues2603hr2 maximum average o.c. output current at tc = 100c .. non-repetitive sinusoidal surge current 8.3 ms thermal resistance. junction to case - operating and storage temperature range 50v 1qov 150v 30a 400a 1c/w -55cto +175c power cycling these devices possess the unique ability to pass many thousands of cycles of a stress test designed to evaluate the integrity of the bonding systems used in the construction of power rectifiers. in this stress test, the case of the device is not heat sunk. full rated forward current is supplied to force a case tem- perature increase at least 75c, at which time, the current is removed and the case allowed to cool. the cycle is repeated a minimum of 5,000 times to simulate equipment being turned on and off. extended power cycling tests demonstrate a product capability in excess of 25,000 cycles. switching characteristics the switching times of these ultra-fast rectifiers increase relatively little, with temperature or at different currents. even in severe applications, such as catch diodes for switching regulators and output rectifiers for high frequency square wave inverters, these devices switch many times faster than the fastest associated transistors. thus, the stresses on and powers dissipated in the switching transistors are substantially less than when using other rectifiers. mechanical specifications positive output ues26o1 ues2601hr2 ues2602 UES2602HR2 ues26o3 ues2603hr2 a 8 c 0 e f g h 1 k l m irn. .875 max. .135 max. .250-150 312 min .038- 043 dia 188 max rad 1 177 1 197 655-675 205- 225 420-440 .525 max, rad .151-161 dia. mm. 22 23 max. 3 a3 max. 6.35-11.43 /.92 m)n 097-1.09 dia 4 78 max rad 29.90-30 40 16-64-1715 5.21-572 1067-11 18 13 34 max. rad. 384-4.09 dia to-204aa (to-3) 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
electrical specifications ues260j ues2602 ues2603 ues?601hr2 ues2602hrz ues2603hr2 typa ues2601/2501hr2 ues2602/2602hr2 ues2603/2603hr2 piv 50v 100v 150v maximum forward voltage 9 tc=s5'c 930v (at 1m tc = 125'c 825v isa maximum reverse currant @ t, = z!'c 20/.a tc = 125-c 4ma maximum recovery time* 35ns ? maaturcd in circuit i, = o.sa, i, = 1a, 1,^ = 0.25a output currant vi. caia temperature went m i i 3 i _o x \ \k output currant vs. cite tempariture 100 us iso 175 tc ? case temperature co bo 100 120 140 160 18' to - case temperatuhe ("c) forward current vt. forward vottage ? ? 10 9 1 .5 ? / / / / // / / j j tj = +i50'c / / / v / p s / s^? f,' ' -tj '= +7s'c -t, = -t-125'c -~? atypical v, .4 6 .1 1.0 1.2 v, ? forward voltage (v) typical rweru cuinnt vs. revert* voltage 90 13d 120 uo100 90 m 70 so 50 w 30 w 10 0 v, ? reverse voltage 1% of piv)
ues26o1 ues2602 ues2603 ues2601hr2 UES2602HR2 ues2603hr2 maximum forward surge vs. number of cycles thermal impedance vs. pulse width a .2 l 2 .1 .01.02 .05.1 .2 ,5 1 2 5 1020 50100200 1000 t ? pulse width fms) 12 5 10 20 50 100 200 n ? cycles of 60 hj sinewave reverse-recovery circuit notes: 1. oscilloscope: rise time ^ 3ns; input impedance = 500. 2. pulse generator: rise time ? 8ns; source impedance 10q. 3. current viewing resistor, non-inductive, coaxial recommended. optional high reliability (hr2) screening the follovmng tests are performed on 100% of the devices specified ues2601hr2, 2hr2, 3hr2. screen 1. high temperature 2. thermal shock (temperature cycling) 3. hermetic seal a. fine b. grass 4. thermal impedance 5. interim electrical parameters 6. high temperature reverse bias (htrb) 7. final electrical parameters mil-std-750 method 1032 1051 1071 go/no go 1038 go/no go conditions 24 hours @ t,, = 150-c f, 20 cycles, -55 to +150c. no dwell required @ 25c, 1 5> 10 rnin. at extremes. h, helium c, liquid sage tut vf and ir @ 25c a, 48 hours, tc = 125c, vr - 80% of rating vfandlr@25c
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