
Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14
Surface Mount – 1000W > 1KSMB series
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
( )
0
20
40
60
80
100
0255075 100 125 150 175
T
-Ambient temperature (ºC)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
1
10
100
1000
10000
1.010.0100.0 1000.0
Tj=25C
f=1.0MHz
Vsig=50mVp-p
V
BR
- Reverse Breakdown Voltage (V)
Uni-directional @V
R
Bi-directional @V
R
0
1
2
3
4
5
6
0255075100 125150 175
T
A
- Ambient Temperature(ºC)
P
M(AV)
, Steady State Power Dissipation
(W)
Figure 3 - Pulse Derating Curve
Figure 4 - Pulse Waveform
Figure 5 - Typical Junction Capacitance
Figure 6 - Steady State Power Dissipation Derating
Curve
0
20
40
60
80
100
120
110 100
Number of Cycles at 60 Hz
I
FSM
- Peak Forward Surge Current
(A)
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted) (Continued)
Komentáře k této Příručce