RB205T-40 ROHM

Data Sheet Schottky barrier diode RB205T-40 Applications Dimensions (Unit : mm) Structure Switching power supply Features 1) Cathode common type. (1) (2) (3) (TO-220) 2) Low I R 3) High reliability 205 4 Construction Silicon epitaxial planer Absolute maximum ratings (Ta=25C) Parameter Limits Symbol Unit Reverse voltage (repetitive peak) V 45 V RM Reverse voltage (DC) V 40 V R 15 Average rectified forward current (*1) Io A 100 Forward current surge peak (60Hz / 1cyc) (*1) I A FSM Junction temperature Tj 150 C Storage temperature Tstg 40 to 150 C (*1)Business frequencies, Rating of R-load, 1/2 Io per diode, Tc=125 C Electrical characteristic (Ta=25C) Parameter Conditions Symbol Min. Typ. Max. Unit Forward voltage V - - 0.55 V I =7.5A F F I Reverse current - - 300 A V =40V R R Thermal impedance -- 2 junction to case jc C/W www.rohm.com 2011 ROHM Co., Ltd. All rights reserved. 2011.04 - Rev.D 1/3 Not Recommended for New DesignsRB205T-40 Data Sheet Electrical characteristic curves 10 1000000 Ta=150 10000 f=1MHz Ta=150 Ta=125 100000 Ta=125 1000 10000 1 Ta=75 Ta=75 1000 100 Ta=25 100 Ta=25 0.1 Ta=-25 10 10 1 Ta=-25 1 0.01 0.1 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 0 100 200 300 400 500 600 700 FORWARD VOLTAGE : V (mV) REVERSE VOLTAGE : V (V) REVERSE VOLTAGE : V (V) R F R V -I CHARACTERISTICS V -I CHARACTERISTICS V -Ct CHARACTERISTICS F F R R R 1650 520 200 Ta=25 Ta=25 1640 Ta=25 I =7.5A V =40V F R f=1MHz 1630 510 n=30pcs n=30pcs V =0V R 150 1620 n=10pcs 1610 500 100 1600 490 1590 1580 50 1570 480 AVE:492.2mV 1560 AVE:1619.8pF AVE:35.9uA 0 1550 470 V DISPERSION MAP F I DISPERSION MAP Ct DISPERSION MAP R 1000 30 300 Ta=25 I =0.5A 1cyc F Ifsm 250 Ifsm 25 I =1A R Irr=0.25*I 8.3ms 8.3ms R 200 8.3ms 20 n=10pcs 1cyc 150 100 15 100 10 50 5 AVE:176.0A AVE:20.6ns 0 0 10 110 100 trr DISPERSION MAP NUMBER OF CYCLES I DISPERSION MAP FSM I -CYCLE CHARACTERISTICS FSM 100 1000 20 IM=100mA I =10A F Ifsm 1cyc 1ms time 15 8.3ms 10 Rth(j-a) D=1/2 300us 100 Sin( =180) 10 DC Rth(j-c) 1 5 10 0.1 0 110 100 0.001 0.01 0.1 1 10 100 1000 0 5 10 15 20 25 30 TIME:t(ms) TIME:t(s) AVERAGE RECTIFIED I -t CHARACTERISTICS Rth-t CHARACTERISTICS FSM FORWARD CURRENT : Io(A) cIo-Pf CHARACTERISTICS www.rohm.com 2011 ROHM Co., Ltd. All rights reserved. 2/3 2011.04 - Rev.D Not Recommended for New Designs PEAK SURGE PEAK SURGE FORWARD CURRENT:I (A) FSM FORWARD VOLTAGE:V (mV) FORWARD CURRENT:I (A) FORWARD CURRENT:I (A) F F FSM REVERSE CURRENT:I (uA) R REVERSE CURRENT:I (uA) TRANSIENT REVERSE RECOVERY TIME:trr(ns) R THAERMAL IMPEDANCE:Rth (/W) CAPACITANCE BETWEEN PEAK SURGE CAPACITANCE BETWEEN FORWARD POWER TERMINALS:Ct(pF) FORWARD CURRENT:I (A) TERMINALS:Ct(pF) DISSIPATION:Pf(W) FSM