BYW54 - BYW56 AVALANCHE RECTIFIER DIODES D2 PRV : 600 - 1000Volts Io : 2.0 Amperes * * * * * * 1.00 (25.4) MIN. 0.161 (4.1) 0.154 (3.9) FEATURES : High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Pb / RoHS Free 0.284 (7.2) 0.268 (6.8) 0.034 (0.86) 0.028 (0.71) 1.00 (25.4) MIN. MECHANICAL DATA : * Case : D2 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.465 gram 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 BYW54 BYW55 BYW56 UNIT Maximum Repetitive Peak Reverse Voltage VRRM 600 800 1000 V Maximum Crest Working Reverse Voltage VRWM 600 800 1000 V VR 600 800 1000 V V(BR)R-min. 650 900 1300 V Maximum Continuous Reverse Voltage Min. Reverse Avalanche Breakdown Voltage @ IR = 0.1 mA Ttp= 45 °C (Note 1) IF(AV) 2.0 A Maximum Non-Repetitive Peak Forward Surge Current IFSM 50 A Maximum Repetitive Peak Forward Current IFRM 12 A VF 1.0 V Maximum Average Forward Current Maximum Forward Voltage at IF = 1.0 A IR 1.0 µA Maximum Reverse Current at VR = VRRM , Tj = 165 °C IR(H) 150 µA Typical Reverse Recovery Time (Note 2) Trr 3.0 µs Thermal Resistance - Junction to Ambient RθJA TJ 100 K/W Junction Temperature Range - 65 to + 175 °C Storage Temperature Range TSTG - 65 to + 175 °C Maximum Reverse Current at VR = VRRM Notes : (1) Lead Length 10 mm. (2) Test Conditions : IF = 0.5 A to IR = 1 A ; measured at Irr = 0.25 A Page 1 of 2 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( BYW54 - BYW56 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω Trr 10 Ω + 0.5 A D.U.T. + 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx) 1Ω - 0.25 A OSCILLOSCOPE ( NOTE 1 ) - 1.0 A NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 2.0 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 1.6 1.2 0.8 0.4 0 40 30 20 10 0 0 25 50 75 100 125 150 175 1 2 TIE-POINT TEMPERATURE, ( °C) FORWARD CURRENT, AMPERES 100 10 TJ = 25 °C 0.1 REVERSE CURRENT, MICROAMPERES FIG.4 - TYPICAL FORWARD CHARACTERISTICS 1.0 4 6 10 20 40 60 100 NUMBER OF CYCLES AT 60Hz FIG.5 - TYPICAL REVERSE CHARACTERISTICS 10 TJ = 100 °C 1.0 0.1 TJ = 25 °C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 02 : March 25, 2005