Surface Mount Transient Voltage Suppressors (TVS)
SACB Series
5.0 To 50 V
500W
Low Capacitance
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted)
Figure 1 - Peak Pulse Power Rating Curve
100
Figure 2 - Pulse Derating Curve
100
Percentage of Rated Power (I
PP
)
Power Dissipation
P
PPM
- Peak Pulse Power (kW)
80
10
“0.5”
P
PK
td
60
Peak Power (Single Pulse)
TJ=Initial Temperature
Impulse
Exponential
td=7tp
Half Sine
Square
40
1
P
PK
td
20
P
PK
td
0.1
0.1
1
Current Waveforms
0
1000
10000
0
25
50
75
100
125
T
L
- Lead temperature(°C)
150
175
10
100
t
d
- Pulse Width (μs)
Figure 3 - Pulse Waveform
150
Figure 4
–
AC Line Protection Application
I
PPM
- Peak Pulse Current, % I
RSM
t
r
=10µsec
Peak Value
IPPM
100
T
J
=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
Low
Capacitance
Half Value
I
PPM
(I
PPM
/2)
TVS
50
10/1000µsec. Waveform
as defined by R.E.A
0
0
t
c
1.0
2.0
t - Time (ms)
3.0
4.0
Application Note:
Device must be used with two
units in parallel, opposite in polarity as shown in
circuit for AC signal line protection.
UN Semiconductor Co., Ltd.
Revision
October 18, 2013
2/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
UNSEMI [ UN Semiconducctor INC ]
