BYW27-50 - BYW27-1000 SILICON RECTIFIERS PRV : 50 - 1000 Volts Io : 1.0 Amperes DO - 41 FEATURES : * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) MECHANICAL DATA : * Case : DO-41 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 : 0.339 gram 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) 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 Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 70°C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 1.0 Amp. Maximum DC Reverse Current Ta = 25 °C at rated DC Blocking Voltage Ta = 100 °C Typical Junction Capacitance (Note1) Typical Thermal Resistance (Note2) Junction Temperature Range Storage Temperature Range SYMBOL VRRM VRMS VDC BYW BYW BYW BYW BYW BYW BYW 27-50 27-100 27-200 27-400 27-600 27-800 27-100 50 35 50 100 70 100 200 140 200 400 280 400 600 420 600 800 560 800 1000 700 1000 UNIT Volts Volts Volts IF 1.0 Amp. IFSM VF IR IR(H) CJ RθJA TJ TSTG 50 1.0 0.2 25 30 50 - 65 to + 175 - 65 to + 175 Amps. Volts µA µA pF °C/W °C °C 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 ( BYW27-50 - BYW27-1000 ) 1.0 0.8 0.6 0.4 0.2 0 FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 Ta = 25 °C 40 30 20 10 0 0 25 50 75 100 125 150 175 1 AMBIENT TEMPERATURE, ( °C) 10 1.0 Pulse Width = 300 µs 2% Duty Cycle TJ = 25 °C 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 FORWARD VOLTAGE, VOLTS 4 6 10 20 40 60 100 1.8 FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES FIG.3 - TYPICAL FORWARD CHARACTERISTICS 0.1 2 NUMBER OF CYCLES AT 60Hz 2.0 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