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| BY228 SERIES CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER Reverse Voltage - 1500 Volts * D Case Style G3 Forward Current - 2.5 Amperes FEATURES High temperature metallurgically bonded construction Glass passivated cavity-free junction 2.5 ampere operation at TA=50C with no thermal runaway Typical IR less than 0.1A Hermetically sealed package Capable of meeting environmental standards of MIL-S-19500 High temperature soldering guaranteed: 350C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension P A T E N T E 1.0 (25.4) MIN 0.250 (6.3) 0.170 (4.3) DIA. 0.300 (7.6) MAX. 0.052 (1.32) 0.048 (1.22) DIA. 1.0 (25.4) MIN MECHANICAL DATA Case: Solid glass body Terminals: Solder plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.04 ounce, 1.1 grams Dimensions in inches and (millimeters) *Brazed-lead assembly is covered by Patent No. 3,930,306 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. SYMBOLS BY228 UNITS Maximum non repetitive peak reverse voltage Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length at TA= 50C Peak forward surge current 10ms single half sine-wave superimposed on rated load Maximum instantaneous forward voltage at 2.5A Working peak forward current at TA=75C Peak repetitive forward surge current at TA=75C Maximum peak reverse current at rated peak reverse voltage Maximum reverse recovery time (NOTE 1) Maximum forward recovery time (NOTE 2) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 4) Operating junction temperature range Storage temperature range NOTES: (1) Measured with IF=1.0A, IR=50mA, di/dt=50mA/s (2) Measured with IF=5.0A with tr=0.1s (3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (4) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, P.C.B. mounted VRSM VRRM VRMS VDC I(AV) IFSM VF IFWM IFRM IR trr tfr CJ RJA TJ TSTG TA=25C TJ=140C 1650 1500 1050 1500 2.5 50.0 1.6 5.0 10.0 5.0 200 20.0 1.0 40.0 20.0 -65 to +150 -65 to +200 Volts Volts Volts Volts Amps Amps Volts Amps Amps A s s pF C/W C C 4/98 RATINGS AND CHARACTERISTIC CURVES BY228 SERIES FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES FIG. 1 - FORWARD CURRENT DERATING CURVE 3.0 AVERAGE FORWARD RECTIFIED CURRENT,AMPERES 50 to 60 Hz RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5mm) LEAD LENGTH 200 TJ=TJ max. 10ms SINGLE SINE WAVE 100 NO LOAD 2.0 1.0 RATED LOAD 0 0 25 50 75 100 125 150 175 10 1 AMBIENT TEMPERATURE,C 10 NUMBER OF CYCLES AT 50 Hz 100 FIG. 3 -MAXIMUM PEAK REPETITIVE FORWARD SURGE CURRENT FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 30 10 TA=75C INSTANTANEOUS FORWARD CURRENT, AMPERES MAXIMUM PEAK REPETITIVE FORWARD CURRENT, ApK 1 TJ=25C PULSE WIDTH=300s 1% DUTY CYCLE 0.1 10 1 10 DUTY CYCLE, PERCENT, % 100 0.01 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 5 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, MICROAMPERES FIG. 6 - TYPICAL JUNCTION CAPACITANCE 10 JUNCTION CAPACITANCE, pF 100 TJ=25C f=1.0 MHz TJ=125C 1 0.1 TJ=25C 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, % 10 1 10 REVERSE VOLTAGE, VOLTS 100 |
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