Transient Voltage Suppressors Array for ESD Protection
ESDXXV55T-4L Series
Description
The ESDXXV55T-4L is designed to protect voltage sensitive
components from ESD and transient voltage events. Excellent
clamping capability, low leakage, and fast response time,
make these parts ideal for ESD protection on designs where
board space is at a premium.
SOT-553
Feature
u
u
u
u
u
u
u
20 Watts Peak Pulse Power per Line (tp=8/20μs)
Protects Four I/O Lines (Unidirection)
Low Clamping Voltage
Working Voltages : 3.3, 5.0, 12V
Low Leakage Current
IEC61000-4-2 (ESD)
±15kV
(air),
±8kV
(contact)
IEC61000-4-4 (EFT) 40A (5/50ηs)
Functional Diagram
Applications
u
u
u
u
u
u
Cellular Handsets and Accessories
High Speed I/O Lines
Notebooks & Handhelds
Peripherals
Personal Digital Assistants (PDA)
Servers, Notebook, and Desktop PC
u
u
u
u
u
u
SOT-553 Package
Molding Compound Flammability Rating : UL 94V-0
Weight 2.7 Milligrams (Approximate)
Quantity Per Reel : 3,000pcs
Reel Size : 7 inch
Lead Finish : Lead Free
Mechanical Characteristics
Mechanical Characteristics
Symbol
P
PP
T
L
T
STG
T
J
Parameter
Peak Pulse Power (tp=8/20μs waveform)
Lead Soldering Temperature
Storage Temperature Range
Operating Temperature Range
IEC61000-4-2 (ESD)
Air Discharge
Contact Discharge
IEC61000-4-4 (EFT)
Value
20
260 (10sec)
-55 to +150
-55 to +150
±15
±8
40
Units
W
ºC
ºC
ºC
KV
A
UN Semiconductor Co.,Ltd.
Revision January 06, 2014
www.unsemi.com.tw
1/3
@ UN Semiconductor Co., Ltd.2014
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Transient Voltage Suppressors Array for ESD Protection
ESDXXV55T-4L Series
Electrical Characteristics
(@ 25℃ Unless Otherwise Specified )
Device
Marking
W1
W2
W3
V
RWM
(V)
(Max.)
3.3
5
12
V
B
(V)
(Min.)
4.5
6
13.3
I
T
(mA)
1
1
1
V
C
@1A
(Max.)
8.5
9.8
17
V
C
(Max.)
12
15
19
(@A)
2
2
2
I
R
(μA)
(Max.)
0.5
0.5
0.5
C
(pF)
(Typ.)
9
8
6
Part Number
ESD3.3V55T-4L
ESD05V55T-4L
ESD12V55T-4L
Characteristic Curves
Fig1.
8/20μs Pulse Waveform
Fig2. ESD Pulse Waveform (according to IEC 61000-4-2)
100%
Percent of Peak Pulse Current %
90%
120
I
PP
- Peak Pulse Current - % of I
PP
100
80
60
40
t
d
=t I
PP
/2
20
0
0
5
10
15
t - Time (μs)
20
25
30
t
r
Peak Value I
PP
TEST
WAVEFORM
PARAMETERS
t
r
=8μs
t
d
=20μs
10%
tr = 0.7~1ns
30ns
60ns
Time (ns)
Fig3.
ESD Clamping (+8KV Contac per IEC61000-4-2)
Fig4.
ESD Clamping (-8KV Contac per IEC61000-4-2)
UN Semiconductor Co.,Ltd.
Revision January 06, 2014
www.unsemi.com.tw
2/3
@ UN Semiconductor Co., Ltd.2014
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Transient Voltage Suppressors Array for ESD Protection
ESDXXV55T-4L Series
SOT-553 Package Outline & Dimensions
Inches
Min.
A
b
C
D
E
e
L
H
E
Millimeters
Symbol
Nom. Max. Min. Nom. Max.
0.020 0.021 0.023 0.50 0.55 0.60
0.007 0.009 0.011 0.17 0.22 0.27
0.003 0.005 0.007 0.08 0.12 0.18
0.059 0.062 0.066 1.50 1.60 1.70
0.043 0.047 0.051 1.10 1.20 1.30
0.02 BSC
0.5 BSC
0.004 0.008 0.012 0.10 0.20 0.30
0.059 0.062 0.067 1.50 1.60 1.70
Soldering Footprint
Symbol
C
G
P
P1
X
Y
Z
Inches
0.0531
0.0354
0.0197
0.0394
0.0118
0.0177
0.0709
Millimeters
1.35
0.90
0.50
1.0
0.30
0.45
1.80
UN Semiconductor Co.,Ltd.
Revision January 06, 2014
www.unsemi.com.tw
3/3
@ UN Semiconductor Co., Ltd.2014
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
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