schottky rectifier 45a*, 100v 45ckq100 major ratings and characteristics description/features case style www.irf.com 1 characteristics 45ckq100 units
v rrm (per leg) 100 v i fsm @ tp = 8.3ms half-sine 400 a (per leg) t j , t stg operating and storage -55 to 150 c high efficiency series the 45ckq100 center tap schottky rectifier has been expressly designed to meet the rigorous requirements of hirel environments. it is packaged in the hermetic isolated to-258aa package. the device's forward voltage drop and reverse leakage current are optimized for the lowest power loss and the highest circuit efficiency for typical high frequency switching power supplies and resonent power converters. full mil- prf-19500 quality conformance testing is available on source controlled drawings to tx, txv and s levels. ? hermetically sealed ? center tap ? low forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? electrically isolated v f @ 25apk, t j =125c 0.74 v (per leg) i f(av) current is limited by package not e s : 1. dime ns ioning & t ole rancing pe r as me y14.5m-1994. 2. all dime ns ions are s hown in mil lime t e rs [inche s ]. 3. cont rol ling dime ns ion: inch. 4 . con f or ms t o j e de c ou t l i n e t o- 2 58 aa b e f or e l e adf or mi n g. 23 1 3x 2x 3.55 [.140] 13.97 [.550] 13.46 [.530] b 0.12 [.005] 1.14 [.045] 0.88 [.035] 6.85 [.270] 6.09 [.240] 21.20 [.835] 20.70 [.815] 17.65 [.695] 17.39 [.685] 4.19 [.165] 3.93 [.155] 0.50 [.020] c a b 0.25 [.010] c 37.00 [1.457] 20.40 [1.197] 17.95 [.707] 17.70 [.697] 19.05 [.750] 12.70 [.500] 1.65 [.065] 1.39 [.055] c 5.08 [.200] a case outline and dimensions - to-258aa
1 23 pd-20355d
45ckq100 2 www.irf.com part number 45ckq100 v r max. dc reverse voltage (v) (per leg) v rwm max. working peak reverse voltage (v) (per leg) voltage ratings 100 parameters limits units conditions i f(av) max. average forward current 45 * a 50% duty cycle @ t c = 100c, rectangular waveform see fig. 5 i fsm max. peak one cycle non - repetitive 400 a @ t p = 8.3 ms half-sine surge current (per leg) absolute maximum ratings pulse width < 300s, duty cycle < 2% parameters limits units conditions 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 0.83 c/w dc operation see fig. 4 to case (per leg) r thjc max. thermal resistance, junction 0.42 c/w dc operation to case (per package) wt weight (typical) 10.9 g die size 200x200 mils case style to-258aa thermal-mechanical specifications i f(av) current is limited by package. parameters limits units conditions v fm max. forward voltage drop 0.90 v @ 25a t j = -55c (per leg) see fig. 1 1.18 v @ 45a 0.89 v @ 25a t j = 25c 1.13 v @ 45a 0.74 v @ 25a t j = 125c 0.97 v @ 45a i rm max. reverse leakage current 0.8 ma t j = 25c v r = rated v r (per leg) see fig. 2 45 ma t j = 125c c t max. junction capacitance (per leg) 1400 pf v r = 5v dc (1mhz, 25c) l s typical series inductance (per leg) 8.7 nh measured from anode lead to cathode lead 6mm (0.025 in.) from package electrical specifications
45ckq100 www.irf.com 3 fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 1 - max. forward voltage drop characteristics (per leg) 0.0001 0.001 0.01 0.1 1 10 100 0 20406080100 r a t = 150c 125c 100c 25c j reverse voltage - v (v) reverse current - i r (ma) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 forward voltage drop - v f (v) 1 10 100 i n s t a n t a n e o u s f o r w a r d c u r r e n t - i f ( a ) tj = 125c tj = 25c tj = -55c
45ckq100 4 www.irf.com fig. 5 - max. allowable case temperature vs. average forward current fig. 4 - max. thermal impedance z thjc characteristics (per leg) 45ckq100 r thjc (dc) = 0.42c/w ir world headquarters: 101 n. sepulveda blvd., el segundo, california 90245, usa tel: (310) 252-7105 ir leominster : 205 crawford st., leominster, massachusetts 01453, usa tel: (978) 534-5776 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . data and specifications subject to change without notice. 04/2014
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