General Semiconductor AS3028, AS3024 Datasheet

AVALANCHE ALTERNATOR RECTIFIER - AS3024 AND AS3028
PASSIVATED ANISOTROPIC RECTIFIER TECHNOLOGY
Mean Breakdown Voltage - 24 and 28 volts Peak Pulse Current - 60 Amperes
FEATURES
¨ Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
¨ High temperature stability due to unique oxide passivation ¨ Patented Passivated Anisotropic Rectifier
¨ 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 AS3024 AS3028 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=55A
V
C
38.0 40.0 Volts
Maximum average rectified forward current at TC=150¡C I
(AV)
30.0 Amps
Peak forward surge current, 8.3ms single half sine-wave on rated load (JEDEC Method)
I
FSM
500.0 Amps
Maximum instantaneous forward voltage at 100A
(NOTE 1)
V
F
1.05 Volts
Non- repetitive peak reverse surge current for 10ms/10ms exponentially decaying waveform (see figure 3)
I
RSM
55.0 Amps
Maximum reverse leakage current at rated V
WM
TJ=25¡C 0.2 TJ=175¡C
I
R
10.0
mA
Maximum thermal resistance junction to case
(NOTE 2
)R
QJC
1.0 ¡C/W
Operating junction and storage temperature range TJ, T
STG
-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 notice
12/16/98
CASE STYLE
ASC
0.953(24.2)
0.937(23.8)
0.224(5.7)
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)
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