ESDAULC6-1U2
Single-line unidirectional ESD protection for high speed interface
Datasheet
−
production data
Features
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■
■
■
■
■
■
Unidirectional device
Ultralow diode capacitance: 0.8 pF
Low leakage current
0201 SMD package size compatible
Ultra small PCB area: 0.18 mm
2
RoHS compliant
ECOPACK
®
2 compliant package
Pin 1 available in different forms
ST0201 package
Complies with the following standards:
■
IEC 61000-4-2 level 4
– ±15 kV air discharge
– ±8 kV contact discharge
Figure 1.
Functional diagram (top view)
Applications
Where transient overvoltage protection in ESD
sensitive equipment is required, such as:
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Smartphone, mobile phone and accessories
Tablet PC, netbook and notebook
Portable multimedia device and accessories
Digital camera and camcorder
Communication and highly integrated systems
Description
The ESDAULC6-1U2 is a unidirectional single line
TVS diode designed to protect the data lines or
other I/O ports against ESD transients.
The device is ideal for applications where both
reduced line capacitance and board space saving
are required.
TM:
Transil is a trademark of STMicroelectronics
June 2012
This is information on a product in full production.
Doc ID 023270 Rev 1
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www.st.com
10
Characteristics
ESDAULC6-1U2
1
Table 1.
Symbol
Characteristics
Absolute maximum ratings (T
amb
= 25 °C)
Parameter
Peak pulse voltage:
IEC 61000-4-2 contact discharge
IEC 61000-4-2 air discharge
Peak pulse power dissipation (8/20 µs)
(1)
Peak pulse current (8/20 µs)
Operating junction temperature range
Storage temperature range
Maximum lead temperature for soldering during 10 s
Value
Unit
V
PP
P
PP
I
PP
T
j
T
stg
T
L
17
25
18
1.4
-40 to 150
- 55 to +150
260
kV
W
A
°C
°C
°C
1. For a surge greater than the maximum values, the diode will fail in short-circuit
Figure 2.
Electrical characteristics (definitions)
I
Symbol
V
BR
V
CL
I
RM
V
RM
I
F
I
PP
I
R
V
F
R
d
α
T
=
=
=
=
=
=
=
=
=
=
Parameter
Breakdown voltage
Clamping voltage
Leakage current @ V
RM
Stand-off voltage
Forward current
Peak pulse current
Breakdown current
Forward voltage drop
Dynamic impedance
Voltage temperature
I
F
V
CL
V
BR
V
RM
I
RM
I
R
V
F
V
Slope = 1/R
d
I
PP
Table 2.
Symbol
V
BR
I
RM
V
CL
C
line
Electrical characteristics (values, T
amb
= 25 °C)
Test conditions
I
R
= 1 mA
V
RM
= 3 V
IPP = 1 A, 8/20 µs
F = [200 MHz - 3000 MHz], V
R
= 0 V
0.8
Min.
6
100
13
1
Typ.
Max.
Unit
V
nA
V
pF
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Doc ID 023270 Rev 1
ESDAULC6-1U2
Characteristics
Figure 3.
Variation of leakage current versus Figure 4.
junction temperature (typical
values)
C(pF)
1200
Junction capacitance versus
applied voltage (typical values)
100.00
IR (nA)
1000
10.00
800
1.00
600
400
0.10
200
Tj (°C)
V
R
(V)
0
150
0.01
25
50
75
100
125
0
500
1000
1500
2000
2500
3000
Figure 5.
20 V/div
ESD response to IEC 61000-4-2
(+8 kV contact discharge)
1
2
3
4
V
PP
: ESD peak voltage
V
CL
:clamping voltage @ 30 ns
V
CL
:clamping voltage @ 60 ns
V
CL
:clamping voltage @ 100 ns
Figure 6.
20 V/div
ESD response to IEC 61000-4-2
(-8 kV contact discharge)
84 V
1
24 V
2
20 V
3
17 V
4
-12 V
-90 V
1
2
-10 V
3
-5 V
4
20 ns/div
1
2
3
4
V
PP
: ESD peak voltage
V
CL
:clamping voltage @ 30 ns
V
CL
:clamping voltage @ 60 ns
V
CL
:clamping voltage @ 100 ns
20 ns/div
Figure 7.
S21 attenuation measurement results
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
F (Hz)
Pass band
attenuation
-3 dB point
Average
Performance
(50
Ω
System)
0.05 dB
5.2 GHz
< 1.9 dB
0.1 dB @ 900 MHz
0.5 dB @ 1.8 GHz
S21 (dB)
Attenuation
(0.8 – 4GHz)
-10
100k
1M
10M
100M
1G
10G
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Ordering information scheme
ESDAULC6-1U2
2
Ordering information scheme
Figure 8.
Ordering information scheme
ESDA ULC 6 - 1 U2
ESD Array
Ultralow capacitance
Breakdown Voltage
6 = 6 V min
Number of lines
1 = Single line
Package
U2 = ST0201
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Doc ID 023270 Rev 1
ESDAULC6-1U2
Package information
3
Package information
●
●
Epoxy meets UL94, V0
Lead-free packages
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
specifications, grade definitions and product status are available at:
www.st.com.
ECOPACK
®
is an ST trademark.
Table 3.
ST0201 dimensions
Dimensions
D
Ref
E
Millimeters
Min. Typ. Max. Min.
Inches
Typ.
Max.
Top
A
A
Side
b1
b2
0.23
0.13
0.14
0.55
0.25
0.28
0.18
0.19
0.60
0.30
0.35
0.33 0.009 0.011 0.013
0.23 0.005 0.007 0.009
0.24 0.006 0.007 0.009
0.65 0.022 0.024 0.026
0.35 0.010 0.012 0.014
0.014
0.30 0.008 0.010 0.012
0.30 0.008 0.010 0.012
b1
b2
L2
L1
Bottom
Pin 1
b1
e
b2
D
E
L2
L1
e
L1
L2
0.20
0.20
Bottom
e
0.25
0.25
Pin 1 available in different forms
Figure 9.
Footprint (dimensions in mm) Figure 10. Marking
1.05
0.425
0.425
0.30
Pin1
V1
Pin 2
0.20
Note:
Product marking may be rotated by multiples of 180° for assembly plant differentiation. In no
case should this product marking be used to orient the component for its placement on a
PCB. Only pin 1 mark is to be used for this purpose.
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