UNISONIC TECHNOLOGIES CO., LTD
SMAXXV
SURFACE MOUNT SILICON
ZENER DIODE
1
SOD-123
TVS DIODE FOR ESD PROTECTION
2
DESCRIPTION
2
1
SOD-323
2
1
SOD-523
The UTC
SMAXXV
is a single line TVS diode, for ESD
protection.
The UTC
SMAXXV
is protection in portable electronics
applications.
FEATURES
* 50 Watts peak pulse power (tp=8/20μs)
* Transient protection for data lines to
ESD=8KV (Contact)
EFT=40A (tp=5/50ns)
Lightning=5A (tp=8/20μs)
* Small package for use in portable electronics.
* Suitable replacement for Multi-Layer Varistors in ESD protection
applications.
* Protects on I/O or power line.
* Low clamping voltage.
* Low leakage current.
SYMBOL
ORDERING INFORMATION
Ordering Number
Package
SOD-123
SOD-323
SOD-523
Pin Assignment
1
2
A
K
A
K
A
K
Packing
Tape Reel
Tape Reel
Tape Reel
SMAXXG-CA2-R
SMAXXG-CB2-R
SMAXXG-CC2-R
Note: Pin Assignment: A: Anode
K: Cathode
MARKING
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QW-R601-073.C
SMAXXV
PARAMETER
Peak Pulse Power (tp=8/20μs)
Peak Pulse Current (tp=8/20μs)
Junction Temperature
Storage Temperature
TVS DIODE FOR ESD PROTECTION
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C, unless otherwise specified)
SYMBOL
P
PK
I
PP
T
J
T
STG
RATINGS
UNIT
50
W
5
A
-55~150
°C
-55~150
°C
Air Discharge
15
kV
ESD Discharge IEC61000-4-2
V
ESD
Contact Discharge
8
kV
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(T
A
=25°C, unless otherwise specified)
Reverse
Reverse
Breakdow
Stand-Off
n Voltage
Voltage
V
BR
(V)
V
RWM
(V)
3.3
5
7
8
12
15
24
36
Min
4
6
7.5
8.5
13.3
16.6
26.7
40
Reverse
Leakage
Current
I
R
(µA)
V
RWM
Max
(V)
20
3.3
5
5
0.15
7
5
8
5
12
5
15
5
24
5
36
(V
F
= 0.9V Max @ I
F
= 10mA for all types.)
Test
Current
I
T
(mA)
SMA3V
SMA5V
SMA7V
SMA8V
SMA12V
SMA15V
SMA24V
SMA36V
3
5
7
8
12
15
24
36
1
1
1
1
1
1
1
1
Clamping
Voltage
V
C
(V)
Max
(Typ.)
10.9
14.5
22.7
13
17
22
32
55
I
PP
(A)
5
5
8.8
5
5
5
3
1
Junction Capacitance
C
J
(pF)
Max
100
80
85
70
60
50
25
20
V
R
(V)
0
0
0
0
0
0
0
0
f
(MHz)
1
1
1
1
1
1
1
1
Device
Marking
Code
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-073.C
SMAXXV
TYPICAL CHARACTERISTICS
Power Deartion Curve
TVS DIODE FOR ESD PROTECTION
100
90
80
70
60
50
40
30
20
10
0
0
Capacitance vs. Reverse Voltage
100
SMA5V
80
60
40
Peak Pulse Power
8/20 us
Average Power
SMA5V
25
50
75
100
125
150
20
0
0
1
2
3
4
5
Ambient Temperature, T
A
(ºC)
Reverse Voltage, V
R
(V)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-073.C
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