Surface Mount Transient Voltage Suppressors
SM5Z Series 14 To 36 V 3600W
Description
The SM5Z series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by lightning
and other transient voltage events.
Working Voltage: 14 to 36 V
Peak Pulse Power: 3600 W
Features
Glass passivated chip
3600 W peak pulse power capability with a
10/1000 us waveform, repetitive rate (duty
cycle):0.01 %
T J = 175 ° capability suitable for high reliability
C
and automotive requirement
Meets ISO7637-2 surge specification (varied by test
condition)Meet AEC-Q101 requirement
Low leakage
Uni-directional polarity
Excellent clamping capability
Very fast response time
RoHS compliant
Mechanical Data
Case: DO-218AB
Epoxy: UL 94V-0 rate flame retardant
Polarity: Heatsink is anode
Primary Characteristics
V
RWM
P
PPM
(10/1000µs)
P
PPM
(10/10000µs)
P
D
I
FSM
T
J max.
Package
14V to 43V
3600W
2800W
5W
500A
175°
C
DO-218AB
Applications
Use in sensitive electronics protection against voltage transients
induced by inductive load switching and lighting, especially for
automotive load dump protection application
Maximum Ratings and Thermal Characteristics (T A =25
℃
unless otherwise noted)
Parameter
with 10/1000µs waveform
Peak Pulse Power Dissipation
with 10/10000µs waveform
P
PPM
P
D
I
PP
I
FSM
T
J
, T
STG
R
θJC
Symbol
Value
3600
2800
5
See Next Table
500
–55
to +175
0.90
W
W
A
A
°C
°C
/Watt
Units
Power Dissipation on Infinite Heat Sink at T
L
=25° (Fig.1)
C
Peak Pulse Current with a 10/1000µs waveform
Peak forward surge current 8.3 ms single half sine Wave
Operating junction and storage temperature range
Typical thermal resistance, junction to case
Note:(1)Non-repetitive
current pulse per Fig.3 and derated above T A = 25 ° per Fig.1
C
UN Semiconductor Co., Ltd.
Revision February 2, 2015
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@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors
SM5Z Series 14 To 36 V 3600W
Electrical Characteristics
(@ 25℃ Unless Otherwise Specified )
Stand-Off
Voltage
V
MW
(V)
Breakdown
Voltage
V
BR
(V)
MIN.
MAX.
Test
Current
I
T
(mA)
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
Maximum
Reverse
Leakage I
R
@V
RWM
(uA)
10
10
10
10
10
10
10
10
10
10
10
10
10
Maximum
I
R
@V
RWM
T
J
=175
(uA)
150
150
150
150
150
150
150
150
150
150
150
150
150
Maximum
Reverse
Surge
Current I
PP
(A)
(1)
155.0
148.0
138.0
130.0
123.0
111.0
101.0
93.0
86.0
79.0
74.0
68.0
62.0
Maximum
Clamping
Voltage
V
C
@I
PP
(V)
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
Part Number
14
15.60
17.20
SM8Z15A
17.20 5
SM5Z15A
15
16.70
18.50
16.70
10 150
SM5Z16A
16
17.80
19.70
18.50 5 10
14
SM5Z17A
17
18.90
20.90
150 15
284.0
SM5Z18A
18
20.00
22.10
270.0 24.4
23.2
SM5Z20A
20
22.20
24.50
SM8Z16A
SM8Z1
SM5Z22A
22
24.40
26.90
17.80
5A
SM5Z24A
24
26.70
29.50
19.70 5 10
16.70
SM5Z26A
26
28.90
31.90
150 16
18.50 5
28
31.10
34.40
SM5Z28A
254.0 26.0
10 150
30
33.30
36.80
SM5Z30A
SM8Z17A
15
33
36.70
40.60
SM5Z33A
18.90
270.0
36
40.00
44.20
SM5Z36A
20.90 5 10
24.4
NOTE:
Surge current waveform is defined at 10/1000uS waveform
150 17
SM8Z1
239.0 27.6
6A
Ratings and Characteristics Curves (T
A
=25℃
SM8Z18A
17.80
20.00
19.70 5
Figure 1 – Power Derating
10 150
Curve
22.10 5 10
150 18
16
226.0 29.2
254.0
SM8Z20A
26.0
22.20
SM8Z1
24.50 5 10
7A
150 20
18.90
204.0 32.4
20.90 5
SM8Z22A
10 150
24.40
17
26.90 5 10
239.0
150 22
27.6
186.0 35.5
SM8Z1
SM8Z24A
8A
26.70
20.00
29.50 5 10
22.10 5
150 24
10 150
170.0 38.9
18
SM8Z26A
226.0
28.90
29.2
31.90 5 10
SM8Z2
150 26
0A
157.0 42.1
22.20
SM8Z28A
24.50 5
31.10
10 150
34.40 5 10
20
150 28
204.0
145.0 45.4
32.4
SM8Z30A
SM8Z2
33.30
UN Semiconductor Co., Ltd.
2A
36.80 5 10
24.40
150 30
26.90 5
Revision February 2, 2015
136.0 48.4
10 150
SM8Z33A
22
36.70
186.0
40.60 5 10
35.5
SM5Z14A
unless otherwise noted)
Figure 2 - Load Dump Power Characteristics
(10 ms Exponential Waveform)
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@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors
SM5Z Series 14 To 36 V 3600W
Figure 3 - Pulse Waveform
Fig. 4 - Peak Pulse Power Rating Curve
Package Outline Dimensions Unit: inches (millimeters)
UN Semiconductor Co., Ltd.
Revision February 2, 2015
www.unsemi.com.tw
3/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors
SM5Z Series 14 To 36 V 3600W
SURFACE MOUNT TAPE AND REEL PACKAGING
Recommended Soldering Parameters
UN Semiconductor Co., Ltd.
Revision February 2, 2015
www.unsemi.com.tw
4/4
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.