BR3500W - BR3510W SILICON BRIDGE RECTIFIERS PRV : 50 - 1000 Volts Io : 35 Amperes BR50W 0.732 (18.6) 0.692 (17.5) FEATURES : * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop High case dielectric strength 1.130 (28.7) 1.120 (28.4) 0.470 (11.9) 0.430 (10.9) 0.21 (5.3) 0.20 (5.1) MECHANICAL DATA : * Case : Molded plastic with heatsink integrally mounted in the bridge encapsulation * Epoxy : UL94V-O rate flame retardant * Terminals : Plated lead solderable per MIL-STD-202, Method 208 guaranteed * 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 : 15.95 grams 0.042 (1.06) 0.038 (0.96) 1.2 (30.5) MIN. 0.310 (7.87) 0.280(7.11) 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 BR BR BR BR BR BR BR 3500W 3501W 3502W 3504W 3506W 3508W 3510W UNITS Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS Voltage V RMS 35 70 140 280 420 560 700 Volts Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 Maximum Average Forward Current Tc = 55 °C IF(AV) 35 Amp. IFSM 400 Amp. Current Squared Time at t < 8.3 ms. 2 It 660 AS Maximum Forward Voltage per Diode at IF = 17.5 Amps. VF 1.1 Volts Volts Peak Forward Surge Current Single half sine wave Superimposed on rated load (JEDEC Method) Maximum DC Reverse Current Ta = 25 °C at Rated DC Blocking Voltage Ta = 100 °C 2 IR 10 IR(H) 200 µA mA Typical Thermal Resistance at Junction to Case ( Note 1 ) RθJC 1.5 °C/W Typical Thermal Resistance at Junction to Ambient RθJA 10 °C/W TJ - 40 to + 150 TSTG - 40 to + 150 °C °C Operating Junction Temperature Range Storage Temperature Range 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 21, 1998 RATING AND CHARACTERISTIC CURVES ( BR3500W THRU BR3510W ) FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 600 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT AMPERES 42 35 28 21 14 7 0 0 HEAT-SINK MOUNTING, Tc 7.5" x 3.5" x 4.6" THK. (19cm x 9cm x 11.8cm) Al.-Finned plate 25 50 75 100 125 150 500 T J = 50 ° C 400 300 200 100 8.3 ms SINGLE HALF SINE WAVE JEDEC METHOD 0 175 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 PER DIODE PER DIODE 100 10 REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES TJ = 100 °C 10 Pulse Width = 300 µs 1 % Duty Cycle 1.0 1.0 TJ = 25 ° C 0.1 TJ = 25 °C 0.01 0.1 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