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參數資料
| 型號： | AS4028 |
| 廠商： | GE Security, Inc. |
| 英文描述： | ER 7C 7#8 SKT RECP BOX |
| 中文描述： | 鈍化整流技術各向異性 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 115K |
| 代理商： | AS4028 |
AVALANCHE ALTERNATOR RECTIFIER AS4024 AND AS4028
PASSIVATED ANISOTROPIC RECTIFIER TECHNOLOGY
Mean Breakdown Voltage -
24 and 28 volts
Peak Pulse Current -
80 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 T
J
=175C
¨
Low forward voltage drop
¨
Ideally suited for alternator rectification and load dump
protection
¨
High temperature soldering guaranteed:
260C 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 25C ambient temperature unless otherwise specified.
SYMBOLS
AS4024
AS4028
UNITS
Maximum working peak standoff 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 10
m
s/10ms exponentially
decaying waveform at I
PP
=80A
V
C
38.0
40.0
Volts
Maximum average rectified forward current at T
C
=150
C
I
(AV)
40.0
Amps
Peak forward surge current, 8.3ms single half sine-wave
I
FSM
700.0
Amps
Maximum instantaneous forward voltage at 100A
(NOTE 1)
V
F
0.99
Volts
Non- repetitive peak reverse surge current for 10
m
s/10ms
exponentially decaying waveform
I
RSM
75.0
Amps
Maximum reverse leakage current at rated V
WM
T
J
=25C
T
J
=175C
1.0
50.0
I
R
m
A
Maximum thermal resistance junction to case
(NOTE 2)
R
Q
JC
0.9
C/W
Operating junction and storage temperature range
T
J
, T
STG
-55 to +200
C
NOTE:
(1) Measured on a 300
m
s square pulse width
(2) Mounted on alternator heat sink
NOTICE:
Advanced product information is subject to change without notice.
12/98
PATENTED*
Dimensions in inches and (millimeters)
*
Patent #s 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
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)
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