schottky rectifier 30 amp 25ctq... 25ctq...s 25ctq.. -1 www.irf.com 1 bulletin pd-20242 rev. a 12/01 i f(av) rectangular 30 a waveform v rrm range 35 to 45 v i fsm @ tp = 5 s sine 990 a v f @ 15 apk, t j =125c 0.50 v (per leg) t j range - 55 to 150 c characteristics 25ctq units major ratings and characteristics description/ features the 25ctq center tap schottky rectifier series has been optimized for very low forward voltage drop, with moderate leakage. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typical applica- tions are in switching power supplies, converters, free-wheel- ing diodes, and reverse battery protection. 150 c t j operation center tap to-220 package high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance very low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability i f(av) = 30amp v r = 35 to 45v case styles 25ctq... 25ctq... s 25ctq... -1 to-220 d 2 pak anode 1 3 2 base common cathode 2 a node common cathode to-262 anode 1 3 2 base common cathode 2 a node common cathode anode 1 3 2 base common cathode 2 a node common cathode
25ctq... series 2 bulletin pd-20242 rev. a 12/01 www.irf.com part number 25ctq035 25ctq040 25CTQ045 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 35 40 45 t j max. junction temperature range -55 to 150 c t stg max. storage temperature range -55 to 150 c r thjc max. thermal resistance junction 3.25 c/w dc operation * see fig. 4 to case (per leg) r thjc max. thermal resistance junction 1.63 c/w dc operation to case (per package) r thcs typical thermal resistance, case 0.50 c/w mounting surface , smooth and greased to heatsink wt approximate weight 2.0 (0.07) g (oz.) t mounting torque min. 6 (5) max. 12 (10) thermal-mechanical specifications kg-cm (ibf-in) absolute maximum ratings following any rated load condition and with rated v rrm applied v fm max. forward voltage drop 0.56 v @ 15a (per leg) * see fig. 1 (1) 0.71 v @ 30a 0.50 v @ 15a 0.64 v @ 30a i rm max. reverse leakage current 1.75 ma t j = 25 c (per leg) * see fig. 2 (1) 70 ma t j = 125 c c t max. junction capacitance (per leg) 900 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 8.0 nh measured lead to lead 5mm from package body dv/dt max. voltage rate of change 10000 v/ s (rated v r ) t j = 25 c t j = 125 c v r = rated v r (1) pulse width < 300s, duty cycle <2% voltage ratings parameters 25ctq units conditions parameters 25ctq units conditions parameters 25ctq units conditions i f(av) max. average forward current 30 a 50% duty cycle @ t c = 102 c, rectangular wave form * see fig. 5 i fsm max. peak one cycle non-repetitive 990 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 250 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 20 mj t j = 25 c, i as = 3 amps, l = 4.40 mh (per leg) i ar repetitive avalanche current 3 a current decaying linearly to zero in 1 sec (per leg) frequency limited by t j max. v a = 1.5 x v r typical electrical specifications a
25ctq... series 3 bulletin pd-20242 09/00 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 4 - max. thermal impedance z thjc characteristics (per leg) fig. 1 - max. forward voltage drop characteristics (per leg) .1 1 10 100 1000 0 .2.4.6.811.21.41.61.82 fm f instantaneous forward current - i (a) forward vol tage drop - v (v) t = 150c t = 125c t = 25c j j j .001 .01 .1 1 10 100 1000 0 5 10 15 20 25 30 35 40 4 5 r r 125c 100c 75c 50c 25c reverse voltage - v (v) r everse c urrent - i (m a) t = 150c j 100 1000 0 1020304050 t = 25c j reverse vol tage - v (v) r t juncti on capaci tance - c (pf) .001 .01 .1 1 10 .00001 .0001 .001 .01 .1 1 10 100 d = 0.33 d = 0.50 d = 0.25 d = 0.17 d = 0.08 1 thjc t , r ectangul ar pul se durati on (seconds) therm al im pedance - z (c /w ) single pulse (therm al resi stance) 2 t 1 t p d m n otes: 1. duty factor d = t / t 2. peak t = p x z + t 1 jdmthjc c 2
25ctq... series 4 bulletin pd-20242 rev. a 12/01 www.irf.com fig. 7 - max. non-repetitive surge current (per leg) fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 8 - unclamped inductive test circuit fig. 6 - forward power loss characteristics (per leg) 100 110 120 130 140 150 160 0 5 10 15 20 2 5 dc al l owabl e case tem perature - (c) average forward current - i (a) f( av) 25c tq r (d c) = 3.25c /w thjc 0 2 4 6 8 10 12 0246810121416182022 d c average power loss - (w atts) f(av) d = 0. 08 d = 0. 17 d = 0. 25 d = 0. 33 d = 0. 50 rm s li m it average forward c urrent - i (a) 100 1000 10 100 1000 10000 fsm p non-repetitive surge current - i (a) at any rated load condition and with rated v applied following surge rrm square wave pulse duration - t (microsec) free-wheel d io d e 40hfl40s02 current monitor high-speed sw itch irfp460 l dut rg = 25 ohm vd = 25 volt +
25ctq... series 5 bulletin pd-20242 09/00 www.irf.com outline table 3.78 (0.15) 3.54 (0.14) 10.54 (0.41) max. dia. 15.24 (0.60) 14.84 (0.58) 2.92 (0.11) 2.54 (0.10) 1 term 2 14.09 (0.55) 13.47 (0.53) 3.96 (0.16) 3.55 (0.14) 0.94 (0.04) 0.69 (0.03) 4.57 (0.18) 4.32 (0.17) 3 0.61 (0.02) max. 5.08 (0.20) ref. 1.32 (0.05) 1.22 (0.05) 6.48 (0.25) 6.23 (0.24) 2 0.10 (0.004) 1.40 (0.05) 1.15 (0.04) 2.89 (0.11) 2.64 (0.10) 1 3 2.04 (0.080) max. 2 2 dimensions in millimeters and (inches) conform to jedec outline to-220ab 2 base common cathode 123 anode common cathode a node 12 10.16 (0.40) ref. 8.89 (0.35) 4.57 (0.18) 4.32 (0.17) 0.61 (0.02) max. 5.08 (0.20) ref. 1.32 (0.05) 1.22 (0.05) 13 6.47 (0.25) 6.18 (0.24) 93 ref. 2.61 (0.10) 2.32 (0.09) 5.28 (0.21) 4.78 (0.19) 4.69 (0.18) 4.20 (0.16) 0.55 (0.02) 0.46 (0.02) 14.73 (0.58) 15.49 (0.61) 1.40 (0.055) 1.14 (0.045) 3x 0.93 (0.37) 0.69 (0.27) 2x 11.43 (0.45) 17.78 (0.70) 8.89 (0.35) 3.81 (0.15) 2.08 (0.08) 2x 2.54 (0.10) 2x minimum recommended footprint 2 dimensions in millimeters and (inches) conform to jedec outline d 2 pak (smd-220) 2 base common cathode 123 anode common cathode a node 12
25ctq... series 6 bulletin pd-20242 rev. a 12/01 www.irf.com outline table dimensions in millimeters and (inches) modified jedec outline to-262 2 base common cathode 123 anode common cathode a node 12 marking information example: this is a 25CTQ045 lot code 1789 assembled on ww 19, 1998 in the assembly line "c" international rectifier logo assembly lot code part number date code year 7 = 1998 week 19 line c
25ctq... series 7 bulletin pd-20242 09/00 www.irf.com ordering information table device code 1 5 24 3 1 - essential part number 2 - common cathode 3 - t = to-220 4 - q = schottky q series 5 - voltage rating 6 -s=d 2 pak 6 - -1 = to-262 25 c t q 045 -1 6 035 = 35v 040 = 40v 045 = 45v trr feed direction trl feed direction 10.90 (0.429) 10.70 (0.421) 16.10 (0.634) 15.90 (0.626) 1.75 (0.069) 1.25 (0.049) 1.85 (0.073) 1.65 (0.065) 4.10 (0.161) 3.90 (0.153) 1.60 (0.063) 1.50 (0.059) dia. 1.60 (0.063) 1.50 (0.059) dia. 11.60 (0.457) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) 4.72 (0.186) 4.52 (0.178) 24 .30 (0 .95 7) 23 .90 (0 .94 1) 0.368 (0.0145) 0.342 (0.0135) 360 (14.173) dia. max. 26.40 (1.039) 24.40 (0.961) 13.50 (0.532) 12.80 (0.504) dia. 60 (2 .36 2) dia. min. smd-220 tape & reel when ordering, indicate the part number, part orientation, and the quantity. quantities are in multiples of 800 piece s p er reel fo r bo th trl and trr. dimensions in millimeters and (inches) tape & reel information
25ctq... series 8 bulletin pd-20242 rev. a 12/01 www.irf.com ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7309 visit us at www.irf.com for sales contact information. 12/01 data and specifications subject to change without notice. this product has been designed and qualified for industrial level. qualification standards can be found on ir's web site.
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