Surface Mount Transient Voltage Suppressors
SM8Z Series 14 To 43 V 6600W
Electrical Characteristics (@ 25℃ Unless Otherwise Specified )
Breakdown
Voltage
VBR (V)
Maximum
Reverse
Surge
Stand-Off
Voltage
VMW
Test
Current
IT
Maximum
Reverse
Leakage I R
@V RWM (uA)
Maximum
I R @V RWM
T J =175
(uA)
Maximum
Clamping
Voltage
Part Number
Current I PP
(V)
(mA)
V C @I PP (V)
(A)(1)
MIN.
MAX.
SM8Z14A
SM8Z15A
SM8Z16A
SM8Z17A
SM8Z18A
SM8Z20A
SM8Z22A
SM8Z24A
SM8Z26A
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
15.60
16.70
17.80
18.90
20.00
22.20
24.40
26.70
28.90
31.10
33.30
36.70
40.00
44.40
47.80
17.20
18.50
19.70
20.90
22.10
24.50
26.90
29.50
31.90
34.40
36.80
40.60
44.20
49.10
52.80
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
284.0
270.0
254.0
239.0
226.0
204.0
186.0
170.0
157.0
145.0
136.0
124.0
114.0
102.0
95.1
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
SM8Z28A
SM8Z30A
SM8Z33A
SM8Z36A
SM8Z40A
SM8Z43A
NOTE: Surge current waveform is defined at 10/1000uS waveform
Ratings and Characteristics Curves (T A =25℃ unless otherwise noted)
Figure 2 - Load Dump Power Characteristics
(10 ms Exponential Waveform)
Figure 1 – Power Derating Curve
UN Semiconductor Co., Ltd.
www.unsemi.com.tw
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Revision February 2, 2015
2 / 4
Please refer to www.unsemi.com.tw for current information.