Littelfuse 3.0SMC Series - Manual (Page 3)

Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14
Surface Mount > 3.0SMC Series
TVS Diode Arrays
(SPA ™ Family of Products)
I PP
- P
eak P
ulse Cur
rent, %
I PP
0
0
50
100
tr=8µS
Peak
Value
Half Value
td=20µS
t-Time (µS)
Waveform = tr x td
tr= rise time to peak value
td= decaytime to half value
0
20
40
60
80
100
0 25 50 75 100 125 150 175
T
A
-Ambient temperature (ºC)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage
%
1
10
100
1000
10000
100000
1.0 10.0 100.0 1000.0
Cj
(p
F)
V
BR
- Reverse Breakdown Voltage (V)
Uni-directional @ VR
Uni-directional V= OV
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
0 25 50 75 100 125 150 175
P M(
AV
)
, St
ead
y
Sa
te
Po
wer
Di
ssi
pa
tion
(W
)
T
A
- Ambient Temperature(ºC)
Figure 3 - Peak Pulse Power or Current Derating Curve
vs Initial Junction Temperature
Figure 4 - Pulse Waveform
Figure 5 - Typical Junction Capacitance Figure 6 - Steady State Power Derating Curve
1 10 100
Number of Cycles at 60 Hz
0
50
100
150
200
250
300
350
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)