BY251G TAYCHIPST | Alldatasheet
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Technical content
GLASS PASSIVATED GENERAL PURPOSE RECTIFIERS 3.0A E-mail: sales@taychipst.com Web Site: www.taychipst.com1 of 2 BY251G-BY255G 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 W The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Construction utilizes void-free molded plastic technique Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 250 C/10 seconds,0.375 (9.5mm) lead length, 5 lbs. (2.3kg) tension
FEATURES
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS VOLTS VOLTS VOLTS SYMBOLS UNITS Amps Amps Volts V RRM V RMS V DC I (AV) I FSM V F 3.0 150 1.1 Operating junction and storage temperature range Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375”(9.5mm) lead length at T A =75 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current T A =25 C at rated DC blocking voltage T A =100 C Typical junction capacitance (NOTE 1) Note:1.Measured at 1MHz and applied reverse voltage of 4.0V D.C. I R 10.0 500 R θ JA C J T J T STG 20.0 30.0 -65 to +175 pF C Aµ Typical thermal resistance (NOTE 2) C/W 200 140 200 BY251G 400 280 400 BY252G 600 420 600 BY253G 800 560 800 BY254G 1300 910 1300 BY255G Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
GLASS PASSIVATED GENERAL PURPOSE RECTIFIERS E-mail: sales@taychipst.com Web Site: www.taychipst.com 200V-1300V 3.0A 2 of 2 BY251G-BY255G 3.0 2.4 1.8 1.2 0.6 0 25 50 75 100 125 150 175 150 125 100 FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS NUMBER OF CYCLES AT 60 Hz FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG. 1- FORWARD CURRENT DERATING CURVE ,TNERRUC DEIFITCER DRAWROF EGAREVA SEREPMADRAWROF SUOENATNATSNI SEREPMA,TNERRUC ,TNERRUC EGRUS DRAWROF KAEP SEREPMA INSTANTANEOUS FORWARD VOLTAGE, VOLTS Single Phase Half Wave 60Hz Resistive or inductive Load 1 10 100 0.01 0.1 T J =25 C PULSE WIDTH=300 µs 1%DUTY CYCLE 0 20 40 60 80 100 1,000 100 0.1 0.01 TJ=100 C TJ=25 C TJ=150 C PERCENT OF PEAK REVERSE VOLTAGE,% FIG. 4-TYPICAL REVERSE CHARACTERISTICS ,TNERRUC ESREVER SUOENATNATSNI SEREPMAORCIM AMBIENT TEMPERATURE, C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 0.1 1.0 10 100 0.01 0.1 1 10 100 100 0.1 REVERSE VOLTAGE,VOLTS t,PULSE DURATION,sec. FIG. 5-TYPICAL JUNCTION CAPACITANCE FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE Fp ,ECNATICAPAC NOITCNUJ T J =25 C 100 200 ,ECNADEPMI LAMREHT TNEISNART W/C RATINGS AND CHARACTERISTIC CURVES BY251G THRU BY255G