BY550-50 ~ BY550-1000 SILICON RECTIFIER DIODES PRV : 50 - 1000 Volts Io : 5.0 Amperes DO - 201AD FEATURES : * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop 1.00 (25.4) MIN. 0.21 (5.33) 0.19 (4.83) 0.375 (9.53) 0.285 (7.24) MECHANICAL DATA : * Case : DO-201AD 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 : 1.21 grams 1.00 (25.4) MIN. 0.052 (1.32) 0.048 (1.22) 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 BY550 BY550 BY550 BY550 BY550 BY550 BY550 - 50 - 100 - 200 - 400 - 600 - 800 - 1000 UNIT Maximum Repetitive Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 Volts Maximum DC Blocking Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 60°C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) VDC 50 100 200 400 600 800 1000 Volts Maximum Forward Voltage at IF = 5.0 Amps. 5.0 Amps. IFSM 300 Amps. VF 0.95 Volts Ta = 25 °C IR 20 µA Ta = 100 °C IR(H) 50 µA Typical Junction Capacitance (Note1) CJ 50 pF Typical Thermal Resistance (Note2) RθJA 18 °C/W Junction Temperature Range TJ - 65 to + 175 °C Storage Temperature Range TSTG - 65 to + 175 °C Maximum DC Reverse Current at rated DC Blocking Voltage IF Notes : (1) Measured at 1.0 MHz and applied reverse voltage of 4.0V DC (2) Thermal resistance from Junction to Ambient at 0.375" (9.5mm) Lead Lengths, P.C. Board Mounted. UPDATE : MAY 27, 1998 FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES RATING AND CHARACTERISTIC CURVES ( BY550-50 - BY550-1000 ) 5 4 3 2 1 0 0 25 50 75 100 125 150 FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 300 Ta = 25 °C 240 180 120 60 0 175 1 2 AMBIENT TEMPERATURE, ( °C) 100 10 Pulse Width = 300 µs 2% Duty Cycle TJ = 25 °C 10 20 40 60 100 100 TJ = 25 °C 50 10 5 1 1 2 4 10 20 40 100 REVERSE VOLTAGE, VOLTS 0.1 FIG. 5 - TYPICAL REVERSE CHARACTERISTICS 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS 1.8 2.0 REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES 6 FIG 4 . - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) FIG.3 - TYPICAL FORWARD CHARACTERISTICS 1.0 4 NUMBER OF CYCLES AT 60Hz 10 Ta = 100 °C 1.0 0.1 Ta = 25 °C 0.01 0 20 40 60 80 100 120 PERCENT OF RATED REVERSE VOLTAGE, (%) 140