SMAJ12A View Datasheet(PDF) - DONGGUAN YOU FENG WEI ELECTRONICS CO., LTD
Part Name
Description
View to exact match
SMAJ12A Datasheet PDF : 4 Pages
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SMAJ5.0A(CA)-SMAJ440A(CA)
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
10
1
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
0.1
0.000001
0.00001
0.0001
t -Pulse Width (sec.)
d
0.001
100
80
60
40
20
0
0
25 50 75 100 125 150 175
TA-Ambient temperature (ºC)
Figure 3 - Pulse Waveform
150
100
50
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Half Value
( ) IPPM IPPM
2
10/1000μsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
4.0
t-Time (ms)
Figure 4 - Typical Junction Capacitance
10000
1000
Bi-directional V=0V
Uni-directional V=0V
100
Uni-directional @VR
Bi-directional @VR
10
Tj=25ºC
f =1.0MHz
Vsig=50mVp-p
1
1.0
10.0
100.0
VBR - Reverse Breakdown Voltage (V)
1000.0
Figure 5 - Steady State Power Dissipation Derating
Curve
1.2
1
0.8
0.6
0.4
0.2
0
0 25 50 75 100 125 150 175
TA - Ambient Temperature (ºC)
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
45
40
35
30
25
20
15
10
5
0
1
10
100
Number of Cycles at 60 Hz
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