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| BY251P thru BY255P Vishay Semiconductors formerly General Semiconductor General Purpose Rectifiers DO-201AD Reverse Voltage 200 to 1300V Forward Current 3.0A Features 1.0 (25.4) Min. 0.210 (5.3) 0.190 (4.8) Dia. 0.375 (9.5) 0.285 (7.2) * Plastic package has Underwriters Laboratories Flammability Classification 94V-0 * High surge current capability * Typical IR less than 0.1 A * Construction utilizes void-free molded plastic technique * 3.0 Ampere operation at TA = 55 C with no thermal runaway * High temperature soldering guaranteed: 250 C/10 seconds, 0.375" (9.5 mm) lead length 5 lbs. (2.3 kg) tension Mechanical Data 1.0 (25.4) Min. 0.052 (1.32) 0.048 (1.22) Dia. Case: JEDEC DO-201AD, molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.04 oz., 1.12 g Dimensions in inches and (millimeters) Maximum Ratings & Thermal Characteristics Parameter Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 10mm lead length at TA = 55 C Peak forward surge current 10ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum full load reverse current, full cycle average 10mm lead length at TA = 55 C Typical thermal resistance(1) Operating junction and storage temperature range Ratings at 25 C ambient temperature unless otherwise specified. Symbol BY251P BY252P BY253P BY254P BY255P VRRM VRMS VDC IF(AV) IFSM IR(AV) RJA RJL TJ, TSTG 200 140 200 400 280 400 600 420 600 3.0 150 100 20 10 -65 to +150 800 560 800 1300 910 1300 Unit V V V A A A C/W C Electrical Characteristics Ratings at 25 C ambient temperature unless otherwise specified. Maximum instantaneous forward voltage at 3.0A Maximum reverse current at rated DC blocking voltage TA = 25C Typical reverse recovery time IF = 0.5A, IR = 1.0V, Irr = 0.25A Typical junction capacitance at 4.0V, 1MHz VF IR trr CJ 1.1 5.0 3.0 40 V A s pF Note: (1) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5mm) lead length, P.C.B. mounted Document Number 88838 17-Dec-02 www.vishay.com 1 BY251P thru BY255P Vishay Semiconductors formerly General Semiconductor Ratings and Characteristic Curves (TA = 25C unless otherwise noted) Fig 1 - Forward Current Derating Curve 4.0 Average Forward Rectified Current (A) Peak Forward Surge Current (A) 60 Hz Resistive or Inductive Load Fig 2 - Maximum Non-repetitive Peak Forward Surge Current 200 8.3ms Single Half Sine-Wave (JEDEC Method) 3.0 100 TA = 55C 2.0 1.0 10mm lead length 0 0 25 50 75 125 100 Ambient Temperature, C 150 175 10 1 10 Number of Cycles at 60Hz 100 100 Instantaneous Forward Current (A) TJ = 25C Pulse width = 300s 1% Duty Cycle Instantaneous Reverse Leakage Current ( A) Fig 3 - Typical Instantaneous Forward Characteristics Fig 2 - Maximum Non-repetitive Peak Forward Surge Current 10 TJ = 125C 10 1 TJ = 75C 1 0.1 TJ = 25C 0.1 0.6 0.01 0 40 80 60 100 20 Percent of Rated Peak Reverse Voltage (%) 1.2 0.7 0.8 0.9 1.0 1.1 Instantaneous Forward Voltage (V) 1.3 Fig 5 - Typical Junction Capacitance 100 TJ = 25C f = 1.0 MHz Vsig = 50mVp-p Junction Capacitance (pF) 10 1 10 Reverse Voltage (V) 100 www.vishay.com 2 Document Number 88838 17-Dec-02 |
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