MICR UALITY SEMICONDUCTOR, INC. IBR 25 Amp Silicon Avalanche Integrated Rectifiers 140V, 280V, and 420V RMS Operation 250V, 450V, and 650V Minimum Avalanche Voltages 25 Amp DC Output Current at To = 100C 250 Amp One Half Cycle Surge Current 2000V Min. Circuit-To-Case Insulation VT Series NOTES: 1. Case Temperature (T..) is measured on bottom of case within 0.125" (3.18mm) of center of case. 2. See Reverse Side for Part Number and Circuit Selection Guide. 3. For Full Wave Bridge, Single-and Three-Phase Rack batHogative act t=tteqztine Huck BolKogatie fed OetPasitive ed SutPesitiva fed CotPositine ty ces) t, iW re ba] ls tak out] To POT] Sn $ _/ ' ae Straight Keo oe 1 = <4 - wn Alea able precsfit tegth day, COLUDRICATED Sted TORIVE 30 CH-Peands TO-3 OUTLINE THREE PHASE, PRESS MOUNTING SINGLE STUD MOUNTING FLANGE FULL WAVE BRIDGE LTR. INCHES MILLIMETERS | LTR. INCHES MILLIMETERS | LTR. INCHES MILLIMETERS | LTR. INCHES MILLIMETERS. A .032 Typ. 81 G .830 Max 21,08 M 120 3,05 T 2.250 57,15 B 1.0 Max. 25,4 H .930 Max. 23,62 N 34-40 8,64-10,16 U 1.125 28,58 C -187 Typ. 4,75 | | 7505~7645 19,06-19,16 P -135 Max. 3,43 Vv .156 Dia. 3,96 D .25 Min. 6,35 J B75 22,23 Q 1.177-1.197 29,90-30,40 | W 164 417 E 125 Typ. 3.18 K 1.10 Max, 27,94 R .525R Max. 13,34 X 375 9,53 F 110 Dia. 2,79 L 1.20 Max. 30,48 S -161-.161 Dia. 3,84-4,09 Y 50 12,70 Dimensional tolerance inches .XX' XXX" 9% MAXIMUM RATINGS (1) (60 Hz Resistive and Inductive Load at 25C, unless otherwise specified) RATINGS SYMBOL| _ 200V 400V 600V UNIT CIRCUIT? DC Blocking Voltage Vim Working Peak Reverse Voltage Vawnm 200 400 600 Volt All Peak Repetitive Reverse Voltage ERM RMS Reverse Voltage Ves) | 140 280 420 Volt All Avg. Forward Current at T, = 100C (Fig. 3) lo 25 Amp All Peak Surge Current, 2 Cycle @ 60 Hz (Non-Rep) at T.. .- 100C (Fig. 5) leom 250 Amp/Leg Ali Peak Surge Current, 1 sec at 60 Hz and T, =~ 100C (Non-Rep) lees 53 Amp/Leg All Power Dissipation in Vea, Region for 100 wsec., Square Wave (Fig. 2) Pam 1500 Watt All Continuous Power Dissipation in Viea, Region at T. = 50C P., - 4 Watt/Leg All Junction Operating and Storage Temp. Range + Tay - 65 to + 150 C All ELECTRICAL CHARACTERISTICS (At T,. -- 25C unless otherwise specified) CHARACTERISTIC | SYMBOL 200V 400V 600V | _ UNIT CIRCUIT? Minimum Avalanche Voltage View 250 450 650 Volt All Maximum Avalanche Voltage Vian 700 900 1100 Volt All Max. Instantaneous Forward Voltage Drop at 25 Amps Ven ~ 1.5 Volt/Leg All Max. Reverse Current Rated Vaws and T., -- 150C Jana 5 mA/Leg All Max. Thermal Resistance, Junction-to-Case ~~ | ~ 49) C/W VT, VTH Insulation Strength, Circuit-to-Case [ 2000 (Min) _ VDG All 33TYPICAL FORWARD VOLTAGE DROP VS FORWARD CURRENT AT VARIOUS TEMPERATURES (Per Leg of Bridge) WONREPETITIVE REVERSE POWER SURGE MAKIMU ALLOWABLE PEAK SQUARE WAVE RSE POWER VS PULSE DURATION Ips PEAK SURGE CURRENT (NONREPETITIVE) (AMPERES) 3 Ss s S a 60 10 NUMBER OF CYCLES AT 60Hz FIGURE 5 34 @ oc @ 2 = 10 L & & a a ce 2 z= 10 = rm g 2 8 = 2 10 < e z a 2 01 6 62 O04 06 08 10 12 14 16 18 20 22 24 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 1 10 1 ig 10" TYPICAL FORWARD VOLTAGE DROP VS FORWARD CURRENT PULSE DURATION (j4SEC.) FIGURE 1 FIGURE 2 DERATING CURVE MAXIMUM ALLOWABLE DC OUTPUT CURRENT 30 VI VIA VIB VIC VID POS RED VT| VTA |VTB POS RED POS REO ~ 325 ra VTC} VTD |VTH iva 2 20 z NEC HEG BLACK NEG BLACK e yt G 15 POS. REO x s \ 8 \ 8 ww = x OK x 5 2 5 2 0 NEG BLACK 0 25 50 75 100 125 150 175 200 CASE TEMPERATURE { C} FIGURE 3 FIGURE 4 PEAK SURGE CURRENT (Per Leg) PART NUMBER SELECTION CHART PEAK FORWARD CURRENT vs NUMBER OF CYCLES TYPE 200V 400V 600V 1000 at Te =100C AND SINE WAVE INPUT FULL WAVE BRIDGE VT_200 VT 400 VT_600 CENTER TAP COMMON CATHODE VTA200 VTA400 VTA60O CENTER TAP COMMON ANODE VTB200 VTB400 VTB6E00 THREE PHASE COMMON CATHODE VTC200 VTC400 VTC600 THREE PHASE COMMON ANODE VTD200 VTD400 VTD600 THREE PHASE FULL WAVE BRIDGE* VTH200 VTH400 VTH600 *Assembly of VTC and VTD (200V, 400V, or 600V) in single mounting flange. See drawing. NOTE: Standard device has flags-only termination. To order TO-3 Mount add /T to part no. To order Single Stud Mount add /S to part no.