WSC20U45Product Description A/ 45 V Ultra Low VF Schottky Rectifier 20 20A/ A/45 45V Features � High current capability, low forward voltage � Excellent high temperature stability � Low power loss, and high efficiency � High Forward Surge Capability � RoHS compliant,and Halogen free LE F T P IN R IG H T P IN BOT TOMSIDE H E AT S IN K Applications � Switching mode power supply applications � Portable equipment battery applications � High frequency rectification � DC / DC Converter � Designed as bypass diodes for solar panels B TO-277 TO-277B Absolute Maximum Ratings (Rating at 25°C ambient temperature unless otherwise specified) Symbol Parameter Value Units VRRM Repetitive peak reverse voltage 45 V IF(AV) Average forward current 20 A IFSM Surge non repetitive forward current (8.3ms single half sine-wave) 280 A TJ, Junction Temperature -40~150 ℃ Tstg Storage Temperature -40~150 ℃ Electrical Characteristics Characteristics Forward voltage Reverse leakage current (Rating at 25°C ambient temperature unless otherwise specified) Symbol VF IR Test Condition Min Typ. Max Unit IF=2A - 0.32 0.34 V IF=8A - 0.36 0.39 V IF=10A - 0.42 0.44 V IF=15A - 0.45 0.48 V IF=20A - 0.49 0.52 V VR = 45V - - 0.3 mA - pF - ℃/W Junction Capacitance CJ f=1MHz,VR=4V 600 Thermal Resistance Junction Rth(JA) 31 to Ambient(note1) Note 1: Polymide PCB,2oz.Cathode.cathode pad dimensions18.8×14.4mm.Anode pad dimensions 5.6×14.4mm WT-S003-Rev.A2 Nov.2013 WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS Copyright@Winsemi Microelectronics Co., Ltd., All right reserved. WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS 1311 WSC20U45Product Description A/ 45 V Ultra Low VF Schottky Rectifier 20 20A/ A/45 45V Instantaneous Forward Current(A) Average Forward Current(A) 20 10 10 Single phase half wave 60Hz Resistive or Inductive load 0 0 100 50 。 150 1 TJ=25。C TJ=125。 C 0 .1 200 0 0 .1 0 .2 Lead Temperature[ C] 0 .3 0 .4 0 .5 0 .6 Instantaneous F orward Voltage(V) Fig.1 Typical Forward Current Derating Curve Fig.2 Typical Instantaneous Forward Characteristics 10 300 I nstantaneous Reverse Current(mA) Peak Forward Surge Current (A) 8.3ms Single half sine wave(JEDEC) 250 200 150 100 50 TJ =125。C 1 0 .1 TJ=25。C 0 .0 1 0 1 10 0 100 20 M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS 60 80 100 Fig.4 Typical Reverse Characteristics Fig.3 Maximum Non-Repetitive Forward Surge Current WIN SEM I 40 Percent Rated Peck Reverse Voltage(%) Number of Cycles at 60HZ WIN SEM I M ICROELECTRON ICS www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299 WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS 2/4 WSC20U45Product Description A/ 45 V Ultra Low VF Schottky Rectifier 20 20A/ A/45 45V TO-277B Package Dimension U n it:m m A D E M IN M AX A 1 .0 1 .2 A2 0 .2 0 .4 b1 0 .8 1 .1 b2 2 .9 3 .3 D 3 .9 4 .3 D2 2 .9 3 .3 E 6 .3 5 6 .6 5 E1 5 .2 5 .8 D2 A2 b2 符 号 Symbol E1 W L e b1 b1 A2 e L WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299 WIN SEM I M ICROELECTRON ICS 1.86(TYP.) 0 .8 5 WIN SEM I 1 .1 M ICROELECTRON ICS 3/4 WSC20U45Product Description A/ 45 V Ultra Low VF Schottky Rectifier 20 20A/ A/45 45V NOTE: 1.We strongly recommend customers check carefully on the trademark when buying our product, if there is any question, please don't be hesitate to contact us. 2.Please do not exceed the absolute maximum ratings of the device when circuit designing. 3.Winsemi Microelectronics Co., Ltd reserved the right to make changes in this specification sheet and is subject to change without prior notice. CONTACT: Winsemi Microelectronics Co., Ltd. ADD:Futian District, ShenZhen Tian An Cyber Tech Plaza two East Wing 1002 Post Code : 518040 Tel : +86-755-8250 6288 FAX : +86-755-8250 6299 Web Site : www.winsemi.com WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299 WIN SEM I M ICROELECTRON ICS WIN SEM I M ICROELECTRON ICS 4/4