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SMF40A 其他数据使用手册 - Littelfuse（力特）
制造商:
Littelfuse（力特）
分类:
TVS二极管
封装:
SOD-123F
描述:
瞬态电压抑制二极管 Transient Voltage Suppression Diodes
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SMF40A数据手册
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Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14
Surface Mount – 200W > SMF Series
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted) (Continued)
0
0.4
0.5
0.6
0.7
0.8
0.9
-551075140
Temperature (ºC)
V
f
- Typical forward dropped voltage
Figure 6 - Forward Voltage
0
20
40
60
80
100
0255075 100 125 150 175
T
A
-Ambient temperature (ºC)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
Figure 3 - Pulse Derating Curve
I
PPM
- Peak Pulse Current, % I
RSM
0
0
50
100
150
1.0 2.0 3.0 4.0
t
r
=10µsec
Peak Value
I
PPM
I
PPM
2
T
J
=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
10/1000µsec. Waveform
as defined by R.E.A
t
d
t-Time (ms)
Half Value
I
PPM
( )
Figure 4 - Pulse Waveform - 10/1000µS
0
0.25
0.50
0.75
1.00
1.25
1.50
0255075 100 125 150 175
P
M(AV)
, Steady State Power Dissipation (W)
T
L
- Tab temperature (ºC)
Figure 5 - Steady State Power Dissipation
Derating Curve
10
100
1000
10000
110 100
V
br
- Reverse breakdown voltage
C
j
(pf)
Measured@50%Vr
Measured@Vr=0v
Figure 7 - C
j
vs. Working Peak Reverse Voltage
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