S25VB20 ~ S25VB60 SILICON BRIDGE RECTIFIERS BR50 PRV : 200 ~ 600 Volts Io : 25 Amperes 0.728(18.50) 0.688(17.40) FEATURES : * * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Ideal for printed circuit board Pb / RoHS Free 0.685(16.70) 1.130(28.70) 0.618(15.70) 1.120(28.40) 0.570(14.50) 0.530(13.40) 0.210(5.30) 0.200(5.10) 0.658(16.70) 0.618(15.70) 0.032(0.81) 0.028(0.71) MECHANICAL DATA : * Case : Molded plastic with heatsink integrally mounted in the bridge encapsulation * Epoxy : UL94V-O rate flame retardant * Terminals : plated .25" (6.35 mm). Faston * Polarity : Polarity symbols marked on case * Mounting position : Bolt down on heat-sink with silicone thermal compound between bridge and mounting surface for maximum heat transfer efficiency. * Weight : 17.1 grams 0.252(6.40) 0.248(6.30) φ 0.100(2.50) 0.090(2.30) 0.905(23.0) 0.826(21.0) 0.310(7.87) 0.280(7.11) Metal Heatsink Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL S15VB20 S15VB60 UNIT Maximum Reverse Voltage VRM 200 600 V Maximum Average Forward Current Tc = 85°C IF(AV) 25 A IFSM 400 A Current Squared Time at 1ms < t < 10 ms. 2 It 800 A2S Maximum Forward Voltage per Diode at IF = 12.5 A VF 1.05 V IR 10 µA RθJC 1.5 °C/W TJ 150 °C TSTG - 40 to + 150 °C Maximum Peak Forward Surge Current Single half sine wave Superimposed on rated load (JEDEC Method) Maximum DC Reverse Current at VR = VRRM (Pulse Measurement, Rating of per diode) Typical Thermal Resistance (Note 1) Operating Junction Temperature Range Storage Temperature Range Note : 1. Thermal Resistance from junction to case with units mounted on a 5" x 6" x 4.9" (12.8cm.x 15.2cm.x 12.4cm.) Al.-Finned Plate Page 1 of 2 Rev. 01 : April 2, 2002 RATING AND CHARACTERISTIC CURVES ( S25VB20 ~ S25VB60 ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 30 25 20 15 10 HEAT-SINK MOUNTING, Tc 5" x 6" x 4.9" THK. (12.8cm x 15.2cm x 12.4cm) Al.-Finned plate 5 0 600 500 T J = 25 °C 400 300 200 100 0 0 25 50 75 100 125 150 175 1 CASE TEMPERATURE, ( °C) 2 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES PER DIODE 100 FORWARD CURRENT, AMPERES 50 Hz Sine W ave, Non-repetitive 1 Cycle Peak Value 10 Pulse test per one diode 1.0 T J = 25 °C 0.1 PER DIODE 10 T J = 100 °C 1.0 T J = 25 °C 0.1 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 01 : April 2, 2002