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BY251P Datasheet(PDF) 2 Page - Vishay Siliconix |
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BY251P Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 4 page www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 88838 2 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 04-Nov-09 BY251P thru BY255P Vishay General Semiconductor Note (1) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5 mm) lead length, P.C.B. mounted RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted) Fig. 1 - Forward Current Derating Curve Fig. 2 - Maximum Non-repetitive Peak Forward Surge Current Fig. 3 - Maximum Non-repetitive Peak Forward Surge Current Fig. 4 - Typical Instantaneous Forward Characteristics THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted) PARAMETER SYMBOL BY251P BY252P BY253P BY254P BY255P UNIT Typical thermal resistance RθJA (1) 20 °C/W RθJL (1) 10 ORDERING INFORMATION (Example) PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE BY253P-E3/54 1.1 54 1400 13" diameter paper tape and reel BY253P-E3/73 1.1 73 1000 Ammo pack packaging 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150 175 Ambient Temperature (°C) 60 Hz Resistive or Inductive Load 10 mm Lead Length 1 10 100 1000 100 0 Number of Cycles at 60 Hz T A = 55 °C 8.3 ms Single Half Sine-Wave 0 20 40 60 80 100 0.01 0.1 1 10 Percent of Rated Peak Reverse Voltage (%) T J = 125 °C T J = 25 °C T J = 75 °C 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 10 100 1 0.1 Instantaneous Forward Voltage (V) T J = 25 °C Pulse Width = 300 μs 1 % Duty Cycle |
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