AS3524 GE | Alldatasheet

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AVALANCHE ALTERNATOR RECTIFIER - AS3524 AND AS3528 PASSIVATED ANISOTROPIC RECTIFIER TECHNOLOGY Mean Breakdown Voltage - 24 and 28 Volts Peak Pulse Current - 65 Amperes

FEATURES

¨ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 ¨ High temperature stability due to unique oxide passivation ¨ Patented Passivated Anisotropic Rectifier (PAR) construction ¨ Integrally molded heatsink provides a very low thermal resistance for maximum heat dissipation ¨ Low leakage current at TJ=175¡C ¨ Low forward voltage drop ¨ Ideally suited for alternator rectification and load dump protection ¨ High temperature soldering guaranteed: 260¡C for 10 seconds at terminals MECHANICAL DATA Case: Molded plastic body, surface mount with heatsink integrally mounted in the encapsulation Terminals: Plated, solderable per MIL-STD-750, Method 2026 Polarity: Unidirectional as marked Mounting Position: Any Weight: 0.095 ounces, 2.68 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25¡C ambient temperature unless otherwise specified. SYMBOLS AS3524 AS3528 UNITS Maximum working peak stand-off voltage V WM 18.0 20.0 Volts Minimum reverse breakdown voltage at 100mA V (BR) 20.0 24.0 Volts Maximum reverse breakdown voltage at 100mA V (BR) 28.0 32.0 Volts Maximum clamping voltage for 10ms/10ms exponentially decaying waveform at IPP=60A VC 38.0 40.0 Volts Maximum average rectified forward current at T C=150¡C I (AV) 35.0 Amps Peak forward surge current, 8.3ms single half sine-wave on rated load (JEDEC Method) IFSM 600.0 Amps Maximum instantaneous forward voltage at 100A (NOTE 1) VF 1.00 Volts Non-repetitive peak reverse surge current for 10 ms/10ms exponentially decaying waveform IRSM 65.0 Amps Maximum reverse leakage current at rated V WM TJ=25¡C 0.5 TJ=175¡C IR 20.0 mA Maximum thermal resistance junction to case (NOTE 2) RQJC 0.95 ¡C/W Operating junction and storage temperature range T J, TSTG -55 to +200 ¡C NOTES: (1) Measured on a 300ms square pulse width (2) Mounted on alternator heat sink NOTICE: Advanced product information is subject to change without notice12/98 CASE STYLE ASC 0.953(24.2) 0.208(4.3) 0.205(5.2) 0.188(4.8) 0.185(4.7) 0.169(4.3) 0.110(2.8) 0.094(2.4) 0.366(9.3) 0.343(8.7) 0.406(10.3) 0.382(9.7) 0.390(9.9) 0.374(9.5) 0.024(5.2) 0.023(.59) 0.205(5.2) 0.188(4.8) 0.087(2.2) 0.071(1.8) 0.342(8.7) 0.327(8.3) 0.098 (2.5) MIN. 0.539(13.7) 0.524(13.3) LEAD 2/METAL HEATSINK LEAD 1 0.413(10.5) 0.374(9.5) 0.197(5.0) 0.185(4.7) 0.028(0.7) 0.012(0.3) PATENTED* Dimensions in inches and (millimeters) *Patent #Õs 4,980,315 5,166,769 5,278,094 For positive polarity use ÒPÓ.suffix, for negative polarity use ÒNÓ suffix (Polarity refers to lead #1) NEW PRODUCT NEW PRODUCT NEW PRODUCT

1,000 10,000 5.0 20 35 50 65 80 95 0.0001 0.001 0.01 0.1 100 0 20 40 60 80 100 120 140 160 180 2000 5.0 25 50 75 100 125 150 175 200 500 1,000 1,500 2,000 2,500 3,000 0.01 0.1 100 1.05 0.01 0.1 1 10 100 0.01 0.1 100 FORWARD CURRENT, AMPERES CASE TEMPERATURE, ¡C FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CUR- RENT, AMPERES FORWARD VOLTAGE, VOLTS 175¡C IPPM PEAK PULSE CURRENT % t, TIME, ms tr=10ms PEAK VALUE IPPM TA=25¡C PULSE WIDTH (td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% of I PP FIG. 4. - REVERSE POWER CAPABILITY REVERSE SURGE POWER, WATTS PULSE WIDTH (ms) - 1/2 IPP EXPONENTIAL WAVEFORM FIG. 6 - TYPICAL REVERSE CHARACTERISTICS FIG. 7 - TYPICAL TRANSIENT THERMAL IMPEDANCE PERCENTAGE OF V(BR), % PULSE WIDTH, sec. 200¡C 175¡C FIG. 5 - LOAD DUMP POWER CHARACTERISTICS (10ms EXPODENTIAL WAVEFORM) LOAD DUMP POWER, WATTS TRANSIENT THERMAL IMPEDANCE, ¡C/W TEMPERATURE, ¡C RQJC 25¡C 25¡C RATING AND CHARACTERISTIC CURVES AVALANCHE ALTERNATOR RECTIFIER - AS3524 AND AS3528 FIG. 1 - FORWARD CURRENT DERATING CURVE FIG. 3 - PULSE WAVEFORM td HALF VALUE - IPP INSTANTANEOUS REVERS CUR- RENT, MICRO AMPERES