BY251 THRU BY255 200V-1300V 3.0A GENERAL PURPOSE RECTIFIERS FEATURES • Superectifier application structure for high reliability • Cavity-free glass-passivated junction • Low forward voltage drop • Low leakage current, IR less than 0.1 μA • High forward surge capability • Meets environmental standard MIL-S-19500 • Solder dip 275 °C max. 10 s, per JESD 22-B106 • AEC-Q101 qualified • Compliant to RoHS Directive 2002/95/EC and in accordance to WEEE 2002/96/EC TYPICAL APPLICATIONS For use in general purpose rectification of power supplies, inverters, converters and freewheeling diodes for both consumer and automotive applications. 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 BY251 BY252 BY253 BY254 BY255 UNIT Maximum Repetitive Peak Reverse Voltage VRRM 200 400 600 800 1300 V Maximum RMS Voltage VRMS 140 280 420 560 910 V Maximum DC Blocking Voltage VDC 200 400 600 800 1300 V Maximum Average Forward Current IF 3.0 A IFSM 100 A VF 1.1 V IR 20 µA IR(H) 50 µA 0.375"(9.5mm) Lead Length Ta = 50 °C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 3.0 Amps. Ta = 25 °C Maximum DC Reverse Current at rated DC Blocking Voltage Ta = 100 °C Typical Junction Capacitance (Note1) CJ 50 pF °C/W RθJA 18 Junction Temperature Range TJ - 65 to + 175 °C Storage Temperature Range TSTG - 65 to + 175 °C Typical Thermal Resistance (Note2) 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. E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com BY251 THRU BY255 200V-1300V 3.0A GENNERAL PURPOSE RECTIFIERS 10 4 2 1.0 0.4 0.2 0.1 0.06 0.04 T J =25 P ulse W idth=3 00uS 0.02 0.01 0.6 0.8 1.0 1.2 1.4 FIG.2 -- TYPICAL CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 100 AMPERES INSTANTANEOUS FORWARD CURRENT, FIG.1 -- TYPICAL FORWARD CHARACTERISTICS 1.6 4 3 2 1 0 0 FORWARD VOLTAGE, VOLTS 25 50 75 100 125 150 AMBIENT TEMPERATURE, 10 100 TJ = 25 °C f = 1.0 MHz Vsig = 50 mVp-p TJ = 125 °C Junction Capacitance (pF) Instantaneous Reverse Leakage Current (μA) Single Phase Half Wave 60HZ Resistive or Inductive Load 1 TJ = 75 °C 0.1 TJ = 25 °C 0.01 10 0 20 40 60 80 100 1 10 Percent of Rated Peak Reverse Voltage (%) Reverse Voltage (V) Fig. 3 - Maximum Non-Repetitive Peak Forward Surge Current Fig. 5 - Typical Junction Capacitance 100 Instantaneous Forward Current (A) 100 TJ = 25 °C Pulse Width = 300 μs 1 % Duty Cycle 10 1 0.1 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 Instantaneous Forward Voltage (V) Fig. 4 - Typical Instantaneous Forward Characteristics E-mail: [email protected] 2 of 2 Web Site: www.taychipst.com