NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
AVALANCHE ALTERNATOR RECTIFIER - AS3524 AND AS3528
PASSIVATED ANISOTROPIC RECTIFIER TECHNOLOGY
Mean Breakdown Voltage - 24 and 28 Volts
Peak Pulse Current - 65 Amperes
CASE STYLE ASC
FEATURES
¨ Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
¨ High temperature stability due to unique oxide
passivation
0.953(24.2)
0.937(23.8)
0.224(5.7)
0.539(13.7)
0.524(13.3)
0.208(4.3)
0.185(4.7)
0.169(4.3)
¨ Patented Passivated Anisotropic Rectifier
(PAR) construction
¨ Integrally molded heatsink provides
a very low thermal resistance
for maximum heat dissipation
¨ Low leakage current at T =175¡C
0.342(8.7)
0.327(8.3)
0.413(10.5)
0.374(9.5)
0.205(5.2)
0.188(4.8)
0.110(2.8)
0.094(2.4)
0.098
(2.5)
MIN.
LEAD 1
0.366(9.3)
0.343(8.7)
J
0.406(10.3)
0.382(9.7)
¨ Low forward voltage drop
¨ Ideally suited for alternator rectification and load dump
protection
¨ High temperature soldering guaranteed:
0.024(5.2)
0.023(.59)
0.390(9.9)
0.374(9.5)
260¡C for 10 seconds at terminals
0.087(2.2)
0.071(1.8)
0.205(5.2)
0.188(4.8)
0.197(5.0)
0.185(4.7)
MECHANICAL DATA
Case: Molded plastic body, surface mount with heatsink
integrally mounted in the encapsulation
0.028(0.7)
0.012(0.3)
LEAD 2/METAL HEATSINK
Terminals: Plated, solderable per MIL-STD-750,
Method 2026
Dimensions in inches and (millimeters)
Polarity: Unidirectional as marked
Mounting Position: Any
Weight: 0.095 ounces, 2.68 grams
*
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)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified.
SYMBOLS
VWM
AS3524
18.0
AS3528
20.0
UNITS
Volts
Volts
Volts
Maximum working peak stand-off voltage
Minimum reverse breakdown voltage at 100mA
Maximum reverse breakdown voltage at 100mA
V(BR)
20.0
24.0
V(BR)
28.0
32.0
Maximum clamping voltage for 10ms/10ms exponentially
decaying waveform at IPP=60A
VC
I(AV)
IFSM
VF
38.0
40.0
Volts
Amps
Amps
Volts
Maximum average rectified forward current at TC=150¡C
35.0
600.0
1.00
Peak forward surge current, 8.3ms single half sine-wave
on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 100A (NOTE 1)
Non-repetitive peak reverse surge current for 10ms/10ms
exponentially decaying waveform
IRSM
65.0
Amps
Maximum reverse leakage current at rated VWM
TJ=25¡C
TJ=175¡C
0.5
20.0
mA
IR
Maximum thermal resistance junction to case (NOTE 2)
Operating junction and storage temperature range
RQJC
0.95
¡C/W
¡C
TJ, TSTG
-55 to +200
NOTES:
(1) Measured on a 300ms square pulse width
(2) Mounted on alternator heat sink
NOTICE: Advanced product information is subject to change without notice
12/98
