BY228 GE | Alldatasheet
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Technical content
CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER Reverse Voltage -1500 Volts Forward Current -2.5 Amperes
FEATURES
♦ High temperature metallurgically bonded construction ♦ Glass passivated cavity-free junction ♦ 2.5 ampere operation at TA=50°C with no thermal runaway ♦ Typical IR less than 0.1µA ♦ Hermetically sealed package ♦ Capable of meeting environmental standards of MIL-S-19500 ♦ High temperature soldering guaranteed: 350°C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension 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 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS BY228 UNITS Maximum non repetitive peak reverse voltage V RSM 1650 Volts Maximum repetitive peak reverse voltage V RRM 1500 Volts Maximum RMS voltage V RMS 1050 Volts Maximum DC blocking voltage V DC 1500 Volts Maximum average forward rectified current 0.375” (9.5mm) lead length at TA= 50°C I(AV) 2.5 Amps Peak forward surge current 10ms single half sine-wave superimposed on rated load IFSM 50.0 Amps Maximum instantaneous forward voltage at 2.5A V F 1.6 Volts Working peak forward current at TA=75°C I FWM 5.0 Amps Peak repetitive forward surge current at TA=75°C I FRM 10.0 Amps Maximum peak reverse current T A=25°C 5.0 at rated peak reverse voltage T J=140°C IR 200 µA Maximum reverse recovery time (NOTE 1) trr 20.0 µs Maximum forward recovery time (NOTE 2) tfr 1.0 µs Typical junction capacitance (NOTE 2) C J 40.0 pF Typical thermal resistance (NOTE 4) R Θ JA 20.0 °C/W Operating junction temperature range T J -65 to +150 °C Storage temperature range T STG -65 to +200 °C NOTES: (1) Measured with IF=1.0A, IR =50mA, di/dt=50mA/µs (2) Measured with IF=5.0A with tr=0.1µs (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 PATENTED*0.250 (6.3) 0.170 (4.3) 0.052 (1.32) 0.048 (1.22) DIA. DIA. 1.0 (25.4) MIN MAX. 0.300 (7.6) 1.0 (25.4) MIN Case Style G3 Dimensions in inches and (millimeters) *Brazed-lead assembly is covered by Patent No. 3,930,306
0.01 0.1 3.0 2.0 1.0 0 25 50 75 100 125 150 175 200 100 1 10 100 100 11 01 0 0 100 11 01 0 00 2 04 06 08 0 1 0 0 0.1 0.01 RATINGS AND CHARACTERISTIC CURVES BY228 SERIES FIG. 1 - FORWARD CURRENT DERATING CURVE FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 50 to 60 Hz RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5mm) LEAD LENGTH TJ=25°C PULSE WIDTH=300 µs 1% DUTY CYCLE AMBIENT TEMPERATURE, °C NUMBER OF CYCLES AT 50 Hz INSTANTANEOUS FORWARD VOLTAGE, VOLTS AVERAGE FORWARD RECTIFIED CURRENT,AMPERES FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERESINSTANTANEOUS FORWARD CURRENT, AMPERES TJ=TJ max. 10ms SINGLE SINE WAVE REVERSE VOLTAGE, VOLTS FIG. 6 - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, pF DUTY CYCLE, PERCENT, % FIG. 3 -MAXIMUM PEAK REPETITIVE FORWARD SURGE CURRENT MAXIMUM PEAK REPETITIVE FORWARD CURRENT, ApK TA=75°C TJ=25°C f=1.0 MHz FIG. 5 - TYPICAL REVERSE CHARACTERISTICS TJ=25°C TJ=125°C PERCENT OF RATED PEAK REVERSE VOLTAGE, % INSTANTANEOUS REVERSE CURRENT, MICROAMPERES RATED LOAD NO LOAD