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SMCJ28A View Datasheet(PDF) - SynSemi, Inc.

Part NameDescriptionManufacturer
SMCJ28A SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR SYNSEMI
SynSemi, Inc. SYNSEMI
SMCJ28A Datasheet PDF : 3 Pages
1 2 3
RATING AND CHARACTERISTIC CURVES ( SMCJ5.0A - SMCJ188CA )
FIG.1 - PULSE DERATING CURVE
120
100
80
FIG.2 - TYPICAL JUNCTION CAPACITANCE
6,000
1,000
Measured at
Stand-off Voltage
Voltage VWM
60
40
20
0
0
25 50 75 100 125 150 175
Ta, AMBIENT TEMPERATURE, ( °C)
TJ = 25°C
100
f = 1.0 MHz
Vsig = 50 mVP-P
10
12
10 20
100 400
VWM, REVERSE STAND-OFF VOLTAGE, (V)
FIG.3 - PULSE WAVEFORM
tr = 10µs
Ta=25 °C
Pulse Width (td) is defined
100
Peak Value
as that point where the peak
IPPM
current decays to 50%
of IPPM
Half Value - IPPM
50
2
10/1000 µs. Waveform as
defined by R.E.A.
FIG.4 - PEAK PULSE POWER RATING CURVE
100
10
1.0
td
0
0
1.0
2.0
3.0
4.0
t, TIME(ms)
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
td, PULSE WIDTH, SEC
10ms
FIG.5 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
400
TJ = TJ max
8.3 ms Single half sine-wave
JEDEC Method
100
Page 3 of 3
10
1
5
10
50
100
NUMBER OF CYCLES AT 60 Hz
Rev.02 : January 28, 2004
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