ESD234-B1-W0201
Protection device
TVS (transient voltage suppressor)
Bi-directional, 5.5 V, 56 pF, 0201, RoHS and halogen free compliant
Feature list
• ESD/transient protection according to:
- IEC61000-4-2 (ESD): ±19 kV (air/contact discharge)
- IEC61000-4-4 (EFT): ±2 kV/ ±40 A (5/50 ns)
- IEC61000-4-5 (Surge): ±7 A (8/20 μs)
• Bi-directional working voltage up to: VRWM = ±5.5 V
• Line capacitance: CL = 56 pF (typical) at f = 1 MHz
• Clamping voltage: VCL = 12.5 V (typical) at ITLP = 16 A with RDYN = 0.15 Ω (typical)
• Very low reverse current: IR < 1 nA (typical)
• Small form factor SMD size 0201, low profile (0.58 mm x 0.28 mm x 0.15 mm) [3]
• Bi-directional, symmetric I/V characteristic for optimized design/assembly,
recommendations for PCB assembly see [2]
Potential applications
• ESD protection of highly susceptible IC/ASICs in audio, headset, human digital interfaces
Product validation
Qualified for inductrial applications according to the relevant tests of JEDEC47/20/22
Device information
a) Pin configuration b )
Schematic diagram
Figure 1 Pin configuration and schematic diagram
Table 1 Part information
Type Package Configuration Marking code
ESD234-B1-W0201 WLL-2-1 1 line, bi-directional Y1)
1The device has no marking on the device top. The marking code is on pad side.
Datasheet Please read the Important Notice and Warnings at the end of this document Revision 1.0
www.infineon.com 2018-09-06
Table of contents
Feature list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Potential applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Device information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Typical characteristic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 WLL-2-1 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
ESD234-B1-W0201
Protection device
Table of contents
Datasheet 2 Revision 1.0
2018-09-06
1 Maximum ratings
Note: TA = 25 °C, unless otherwise specified
Table 2 Maximum ratings
Parameter Symbol Values Unit
Reverse working voltage VRWM ±5.5 V
ESD discharge 1) VESD (contact) ±19 kV
VESD (air) ±19
Peak pulse power 2) PPK 84 W
Peak pulse current 2) IPP ±7 A
Operating temperature range TOP -55 to 125 °C
Storage temperature Tstg -65 to 150 °C
Attention:Stresses above the maximum values listed here may cause permanent damage to the device.
Exposure to absolute maximum rating conditions for extended periods may aect device
reliability. Maximum ratings are absolute ratings. Exceeding only one of these values may cause
irreversible damage to the component.
1VESD according to IEC61000-4-2 (R = 330 Ω, C = 150 pF discharge network)
2Stress pulse: 8/20μs current waveform according to IEC61000-4-5
ESD234-B1-W0201
Protection device
Maximum ratings
Datasheet 3 Revision 1.0
2018-09-06
2 Electrical characteristics
Note: TA = 25°C, unless otherwise specified. Device is electrically symmetrical.
V
F
RDYN
ΔV
ΔI
ITLP
V
R
I
F
I
R
IPP
ITLP
IPP
IR
VRWM
VBR
VCL
VTLP
RDYN
ΔV
ΔI
V
F ... Forward voltage
V
R ... Reverse voltage
I
R ... Reverse current
I
F ... Forward current
Diode_Characteristic_Curve_Bi-directional.svg
ΔI
ΔV
IT
ΔI
ΔV
VCL
VTLP
VBR
VRWM
IR
I
T
RDYN ... Dynamic resistance
VRWM ... Reverse working voltage max.
VBR ... Breakdown voltage
VCL ... Clamping voltage
VTLP ... TLP voltage
IR... Reverse leakage current
IPP ... Peak pulse current
ITLP ... TLP current
IT... Test current
Figure 2 Definitions of electrical characteristics
ESD234-B1-W0201
Protection device
Electrical characteristics
Datasheet 4 Revision 1.0
2018-09-06
Table 3 DC characteristics
Parameter Symbol Values Unit Note or test condition
Min. Typ. Max.
Breakdown voltage VBR 7.5 8.6 9.7 V IT = 1 mA
Reverse current IR– 1 100 nA VR = 5.5 V
Table 4 AC characteristics
Parameter Symbol Values Unit Note or test condition
Min. Typ. Max.
Line capacitance CL45 56 67 pF VR = 0 V, f = 1 MHz 1)
– 56 – VR = 0 V,f = 1 GHz
Table 5 ESD and Surge characteristics
Parameter Symbol Values Unit Note or test condition
Min. Typ. Max.
Clamping voltage 2) VCL – 9.5 – V ITLP = 1 A, tp = 100 ns
– 12.5 – ITLP = 16 A, tp = 100 ns
– 14.5 – ITLP = 30 A, tp = 100 ns
Clamping voltage 3) – 9.5 – IPP = 1 A, tp = 8/20 µs
– 10.5 – IPP = 3 A, tp = 8/20 µs
– 12 – IPP = 7 A, tp = 8/20 µs
Dynamic resistance 2) RDYN – 0.15 Ω tp = 100 ns
1Verified by design
2Please refer to Application Note AN210 [1]. TLP parameter: Z0 = 50 Ω , tp = 100ns, tr = 0.6 ns.
3Stress pulse: 8/20μs current waveform according to IEC61000-4-5
ESD234-B1-W0201
Protection device
Electrical characteristics
Datasheet 5 Revision 1.0
2018-09-06
3 Typical characteristic diagrams
Note: TA = 25 °C, unless otherwise specified
10−12
10−11
10−10
10−9
10−8
10−7
10−6
−5 −4 −3 −2 −1 0 1 2 3 4 5
IR [A]
VR [V]
Figure 3 Reverse leakage current: IR = f(VR)
30
35
40
45
50
55
60
65
70
−5 −4 −3 −2 −1 0 1 2 3 4 5
CL [pF]
VR [V]
Figure 4 Line capacitance: CL = f(VR), f = 1 MHz
ESD234-B1-W0201
Protection device
Typical characteristic diagrams
Datasheet 6 Revision 1.0
2018-09-06
−5
0
5
10
15
20
25
30
35
−50 0 50 100 150 200 250 300 350 400 450
VCL [V]
tp [ns]
Scope: 6 GHz, 20 GS/s
VCL−max−peak = 27 V
VCL−30ns−peak = 11 V
Figure 5 Clamping voltage (ESD): VCL = f(t), 8 kV positive pulse (according to IEC61000-4-2)
−35
−30
−25
−20
−15
−10
−5
0
5
−50 0 50 100 150 200 250 300 350 400 450
VCL [V]
tp [ns]
Scope: 6 GHz, 20 GS/s
VCL−max−peak = −28 V
VCL−30ns−peak = −11 V
Figure 6 Clamping voltage (ESD): VCL = f(t), 8 kV negative pulse (according to IEC61000-4-2)
ESD234-B1-W0201
Protection device
Typical characteristic diagrams
Datasheet 7 Revision 1.0
2018-09-06
−5
0
5
10
15
20
25
30
35
40
45
50
−50 0 50 100 150 200 250 300 350 400 450
VCL [V]
tp [ns]
Scope: 6 GHz, 20 GS/s
VCL−max−peak = 43 V
VCL−30ns−peak = 13 V
Figure 7 Clamping voltage (ESD): VCL = f(t), 15 kV positive pulse (according to IEC61000-4-2)
−50
−45
−40
−35
−30
−25
−20
−15
−10
−5
0
5
−50 0 50 100 150 200 250 300 350 400 450
VCL [V]
tp [ns]
Scope: 6 GHz, 20 GS/s
VCL−max−peak = −42 V
VCL−30ns−peak = −13 V
Figure 8 Clamping voltage (ESD): VCL = f(t), 15 kV negative pulse (according to IEC61000-4-2)
ESD234-B1-W0201
Protection device
Typical characteristic diagrams
Datasheet 8 Revision 1.0
2018-09-06
−40
−30
−20
−10
0
10
20
30
40
−20 −15 −10 −5 0 5 10 15 20
−20
−15
−10
−5
0
5
10
15
20
ITLP [A]
Equivalent VIEC [kV]
VTLP [V]
ESD234−B1−W0201
RDYN
RDYN = 0.15 Ω
RDYN = 0.15 Ω
Figure 9 Clamping voltage (TLP): ITLP = f(VTLP) [1]
ESD234-B1-W0201
Protection device
Typical characteristic diagrams
Datasheet 9 Revision 1.0
2018-09-06
−7
−6
−5
−4
−3
−2
−1
0
1
2
3
4
5
6
7
−15 −10 −5 0 5 10 15
IPP [A]
VCL [V]
Figure 10 Clamping voltage (Surge): IPP = f(VCL) according to IEC61000-4-5 [1]
ESD234-B1-W0201
Protection device
Typical characteristic diagrams
Datasheet 10 Revision 1.0
2018-09-06
0
10
20
30
40
50
60
0.01 0.1 1 10
Insertion Loss |S21| [dB]
Frequency [GHz]
ESD234-B1-W0201
Figure 11 Insertion loss versus frequency in a 50 Ω system
ESD234-B1-W0201
Protection device
Typical characteristic diagrams
Datasheet 11 Revision 1.0
2018-09-06
4 Package information
4.1 WLL-2-1 package
Note: All dimensions in mm
SG-WLL-2-1-PO V01
±0.03
0.28
±0.01
0.15
1
2
±0.02
0.2
0.58
±0.03
±0.02
0.26
Bottom viewTop view
0.36
(0.16)
Figure 12 WLL-2-1 package outline
0.27
0.19
0.19
0.19
Copper Solder mask Stencil apertures
0.57
0.24
0.62
0.32
0.24
0.14
SG-WLL-2-1-FP V01
Figure 13 WLL-2-1 footprint
2
0.23
SG-WLL-2-1-TP V02
0.35
0.21
0.68
8
Figure 14 WLL-2-1 packing
1
1
Type code
Marking on pad-side
1 2
1 2
Type code
Figure 15 WLL-2-1 marking example (marking code see Device information)
ESD234-B1-W0201
Protection device
Package information
Datasheet 12 Revision 1.0
2018-09-06
5 References
[1] Infineon AG - Application Note AN210: Eective ESD Protection design at System Level Using VF-TLP
Characterization Methodology
[2] Infineon AG - Recommendations for Printed Circuit Board Assembly of Infineon WLL Packages
http://www.infineon.com/Packageinformation_WLL
[3] Infineon AG - Application Note AN392: TVS Diodes in ChipScalePackage reduce size and save cost
Revision history
Revision history: Rev.0.9, 2018-04-17
Page or Item Subjects (major changes since previous revision)
Revision 1.0, 2018-09-06
Maximum ratings and electrical parameters updated
Insertion loss diagram added
ESD234-B1-W0201
Protection device
References
Datasheet 13 Revision 1.0
2018-09-06
Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Edition 2018-09-06
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2018 Infineon Technologies AG
All Rights Reserved.
Do you have a question about any
aspect of this document?
Email: erratum@infineon.com
Document reference
IFX-jku1466058002389
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