BR3500 - BR3510 SILICON BRIDGE RECTIFIERS BR50 PRV : 50 - 1000 Volts Io : 35 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 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 BR3500 BR3501 BR3502 BR3504 BR3506 BR3508 BR3510 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS Maximum DC Blocking Voltage VDC 35 70 140 280 420 50 100 200 400 600 560 700 Volts 800 1000 Volts Maximum Average Forward Current Tc = 55 °C IF(AV) 35 Amps. IFSM 400 Amps. 2 It VF 660 IR 10 A2 S Volts µA IR(H) 200 RθJC RθJA 1.5 10 µA °C/W °C TJ - 40 to + 150 °C T STG - 40 to + 150 °C Peak Forward Surge Current Single half sine wave Superimposed on rated load (JEDEC Method) Current Squared Time at t < 8.3 ms. Maximum Forward Voltage per Diode at IF = 17.5 Amp. Maximum DC Reverse Current Ta = 25 °C at Rated DC Blocking Voltage Ta = 100 °C Typical Thermal Resistance (Note 1) Typical Thermal Resistance at Junction to Ambient Operating Junction Temperature Range Storage Temperature Range 1.0 Notes : 1. Thermal Resistance from junction to case with units mounted on a 7.5" x 3.5" x 4.6" (19cm.x 9cm.x 11.8cm.) Al.-Finned Plate UPDATE : APRIL 23, 1998 RATING AND CHARACTERISTIC CURVES ( BR3500 - BR3510 ) FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 600 42 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT AMPERES FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 35 28 21 14 HEAT-SINK MOUNTING, Tc 7.5" x 3.5" x 4.6" THK. (19cm x 9cm x 11.8cm) Al.-Finned plate 7 0 0 25 50 75 100 125 150 500 TJ = 50 °C 400 300 200 8.3 ms SINGLE HALF SINE WAVE JEDEC METHOD 100 0 175 1 CASE TEMPERATURE, ( °C) FIG.3 - TYPICAL FORWARD CHARACTERISTICS 4 6 10 20 40 60 100 FIG.4 - TYPICAL REVERSE CHARACTERISTICS PER DIODE REVERSE CURRENT, MICROAMPERES PER DIODE 100 FORWARD CURRENT, AMPERES 2 NUMBER OF CYCLES AT 60Hz 10 Pulse Width = 300 µs 1 % Duty Cycle 1.0 TJ = 25 °C 0.1 10 TJ = 100 °C 1.0 TJ = 25 °C 0.1 0.01 0 20 40 60 80 100 120 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS 1.8 140