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PESDxS1UB series
ESD protection diodes in SOD 523 package
Rev. 01 -- 14 June 2004 Product data sheet
1. Product profile
1.1 General description
Unidirectional ESD protection diode in a SOD523 plastic package designed to protect one transmission or data line from the damage caused by ESD (Electro Static Discharge) and other transients.
1.2 Features
s s s s s s s Unidirectional ESD protection of one line Max. peak pulse power: PPP = 330 W at tp = 8/20 s Low clamping voltage: VCL = 20 V at IPP = 18 A Ultra low leakage current: IRM < 700 nA ESD protection > 23 kV IEC 61000-4-2, level 4 (ESD) IEC 61000-4-5 (surge); IPP = 18 A at tp = 8/20 s.
1.3 Applications
s s s s s Computers and peripherals Communication systems Audio and video equipment Data lines CAN bus protection.
1.4 Quick reference data
Table 1: Symbol VRWM Quick reference data Parameter reverse standoff voltage PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB 3.3 5 12 15 24 V V V V V Conditions Value Unit
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
Quick reference data ...continued Parameter diode capacitance PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB number of protected lines Conditions VR = 0 V; f = 1 MHz 207 152 38 32 23 1 pF pF pF pF pF Value Unit
Table 1: Symbol Cd
2. Pinning information
Table 2: Pin 1 2 Discrete pinning Description cathode anode
[1]
Simplified outline
1 2
Symbol
1
sym035
2
Top view
[1]
The marking bar indicates the cathode.
3. Ordering information
Table 3: Ordering information Package Name PESDxS1UB SC -79 Description plastic surface mounted package; 2 leads Version SOD523 Type number
4. Marking
Table 4: Marking Marking code N1 N2 N3 N4 N5 Type number PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
2 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
5. Limiting values
Table 5: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol PPP Parameter peak pulse power PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB IPP peak pulse current PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB Tj Tamb Tstg
[1]
Conditions 8/20 s
[1]
Min -
Max 330 260 180 160 160 18 15 5 5 3 150 +150 +150
Unit W W W W W A A A A A C C C
8/20 s
[1]
-65 -65
junction temperature operating ambient temperature storage temperature
Non-repetitive current pulse 8/20 s exponentially decay waveform; see Figure 1.
Table 6: Symbol ESD
ESD maximum ratings Parameter electrostatic discharge capability PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB PESDxS1UB series HBM MIL-STD883 Conditions IEC 61000-4-2 (contact discharge)
[1]
Min
Max
Unit
-
30 30 30 30 23 10
kV kV kV kV kV kV
[1]
Device stressed with ten non-repetitive Electro Static Discharge (ESD) pulses; see Figure 2.
Table 7:
ESD standards compliance Conditions > 15 kV (air); > 8 kV (contact) > 4 kV
ESD Standard IEC 61000-4-2, level 4 (ESD) HBM MIL-STD883, class 3
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
3 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
001aaa631
120 Ipp (%) 80 100 % Ipp; 8 s
001aaa630
Ipp 100 % 90 %
e-t 50 % Ipp; 20 s
40
10 % tr = 0.7 to 1 ns 0 10 20 30 t (s) 40 30 ns 60 ns t
0
Fig 1. 8/20 s pulse waveform according to IEC 61000-4-5.
Fig 2. Electro Static Discharge (ESD) pulse waveform according to IEC 61000-4-2.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
4 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
6. Characteristics
Table 8: Characteristics Tamb = 25 C unless otherwise specified. Symbol VRWM Parameter reverse standoff voltage PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB IRM reverse leakage current PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB VBR breakdown voltage PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB Cd diode capacitance PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB V(CL)R clamping voltage PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB IPP = 1 A IPP = 18 A IPP = 1 A IPP = 15 A IPP = 1 A IPP = 5A IPP = 1 A IPP = 5 A IPP = 1 A IPP = 3 A
[1]
Conditions
Min -
Typ 0.7 0.1 <1 <1 <1 5.6 6.8 15.0 18.0 27.0
Max 3.3 5 12 15 24 2 1 50 50 50 6.0 7.2 15.3 18.4 27.5
Unit V V V V V A A nA nA nA V V V V V
see Figure 7 VRWM = 3.3 V VRWM = 5 V VRWM = 12 V VRWM = 15 V VRWM = 24 V IR = 5 mA 5.2 6.4 14.7 17.6 26.5 VR = 0 V; f = 1 MHz; see Figure 5 and 6 207 152 38 32 23 300 200 75 70 50 7 20 9 20 19 35 23 40 36 70 pF pF pF pF pF V V V V V V V V V V -
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
5 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
Table 8: Characteristics ...continued Tamb = 25 C unless otherwise specified. Symbol Rdiff Parameter differential resistance PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB
[1]
Conditions IR = 1 mA IR = 1 mA IR = 1 mA IR = 1 mA IR = 0.5 mA
Min -
Typ -
Max 400 80 200 225 300
Unit
Non-repetitive current pulse 8/20 s exponentially decay waveform; see Figure 1.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
6 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
104 Ppp (W) 103
001aaa147
1.2 Ppp Ppp(25C) 0.8
001aaa193
(1)
102
(2)
0.4
10 1 10
102
103 tp (s)
104
0 0 50 100 150 Tj (C) 200
Tamb = 25 C tp = 8/20 s exponentially decay waveform, see Figure 1. (1) PESD3V3S1UB and PESD5V0S1UB. (2) PESD12VS1UB, PESD15VS1UB; PESD24VS1UB.
Fig 3. Peak pulse power dissipation as a function of pulse time; typical values.
Fig 4. Relative variation of peak pulse power as a function of junction temperature; typical values.
50 Cd (pF) 40
001aaa149
240 Cd (pF) 200
001aaa148
160
(1)
30
120
(2)
20
(1) (2)
80
10
(3)
40 0 1 2 3 4 VR (V) 5
0 0 5 10 15 20 VR (V) 25
f = 1 MHz; Tamb = 25 C (1) PESD3V3S1UB. (2) PESD5V0S1UB.
f = 1 MHz; Tamb = 25 C (1) PESD12VS1UB. (2) PESD15VS1UB. (3) PESD24VS1UB.
Fig 5. Diode capacitance as a function of reverse voltage; typical values.
Fig 6. Diode capacitance as a function of reverse voltage; typical values.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
7 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
10
001aaa270
IR IR(25C)
(1)
1
10-1 -100
-50
0
50
100 Tj (C)
150
(1) PESD3V3S1UB; VRWM = 3.3 V. PESD5V0S1UB; VRWM = 5 V. IR is less than 10 nA at 150 C for: PESD12VS1UB; VRWM = 12 V. PESD15VS1UB; VRWM = 15 V. PESD24VS1UB; VRWM = 24 V.
Fig 7. Relative variation of reverse leakage current as a function of junction temperature; typical values.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
8 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
ESD TESTER RZ CZ 1 D.U.T.: PESDxS1UB
450
RG 223/U 50 coax
4 GHz DIGITAL OSCILLOSCOPE 10x ATTENUATOR
50
IEC 61000-4-2 network CZ = 150 pF; RZ = 330 2
vertical scale = 200 V/div horizontal scale = 50 ns/div
vertical scale = 20 V/div horizontal scale = 50 ns/div PESD24VS1UB
GND GND GND GND GND GND unclamped +1 kV ESD voltage waveform (IEC61000-4-2 network)
PESD15VS1UB
PESD12VS1UB
PESD5V0S1UB
PESD3V3S1UB
clamped +1 kV ESD voltage waveform (IEC61000-4-2 network)
GND
GND
vertical scale = 200 V/div horizontal scale = 50 ns/div unclamped -1 kV ESD voltage waveform (IEC61000-4-2 network)
vertical scale = 10 V/div horizontal scale = 50 ns/div clamped -1 kV ESD voltage waveform (IEC61000-4-2 network)
006aaa001
Fig 8. ESD clamping test set-up and waveforms.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
9 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
7. Application information
The PESDxS1UB series is designed for unidirectional protection of one single data line from the damage caused by ESD (Electro Static Discharge) and Surge Pulses. The PESDxS1UB series may be used on lines where the signal polarity is above or below ground. The PESDxS1UB series provides a surge capability of up to 330 Watts per line for a 8/20 s waveform.
line to be protected (positive signal polarity)
line to be protected (negative signal polarity)
PESDxS1UB
PESDxS1UB
ground
ground
uni-directional protection of one line
006aaa002
Fig 9. Unidirectional protection of one line.
Circuit board layout and protection device placement: Circuit board layout is critical for the suppression of ESD, EFT and Surge transients. The following guidelines are recommended: 1. Place the protection device as close to the input terminal or connector as possible. 2. The path length between the protection device and the protected line should be minimized. 3. Keep parallel signal paths to a minimum. 4. Avoid running protection conductors in parallel with unprotected conductor. 5. Minimize all printed-circuit board conductive loops including power and ground loops. 6. Minimize the length of the transient return path to ground. 7. Avoid using shared transient return paths to a common ground point. 8. Ground planes should be used whenever possible. For multilayer printed-circuit boards, use ground vias.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
10 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
8. Package outline
Plastic surface mounted package; 2 leads SOD523
A c HE vMA
D
A
0
0.5 scale
1 mm
1 E bp
2
DIMENSIONS (mm are the original dimensions) UNIT mm A 0.65 0.58 bp 0.34 0.26 c 0.17 0.11 D 1.25 1.15 E 0.85 0.75 HE 1.65 1.55 v 0.1
(1)
Note 1. The marking bar indicates the cathode. OUTLINE VERSION SOD523 REFERENCES IEC JEDEC JEITA SC-79 EUROPEAN PROJECTION ISSUE DATE 98-11-25 02-12-13
Fig 10. Package outline.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
11 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
9. Packing information
Table 9: Possible packing methods The indicated -xxx are the last three digits of the 12 NC ordering code. [1] Type number PESD3V3S1UB PESD5V0S1UB PESD12VS1UB PESD15VS1UB PESD24VS1UB
[1]
Package SOD523 SOD523 SOD523 SOD523 SOD523
Description 4 mm pitch, 8 mm tape and reel 4 mm pitch, 8 mm tape and reel 4 mm pitch, 8 mm tape and reel 4 mm pitch, 8 mm tape and reel 4 mm pitch, 8 mm tape and reel
Packing quantity 3000 -115 -115 -115 -115 -115 10000 -135 -135 -135 -135 -135
For further information see Section 14.
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
12 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
10. Revision history
Table 10: Revision history Release date 20040614 Data sheet status Product data Change notice Order number 9397 750 13313 Supersedes Document ID PESDxS1UB_series_1
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
13 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
11. Data sheet status
Level I II Data sheet status [1] Objective data Preliminary data Product status [2] [3] Development Qualification Definition This data sheet contains data from the objective specification for product development. Philips Semiconductors reserves the right to change the specification in any manner without notice. This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date. Philips Semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product. This data sheet contains data from the product specification. Philips Semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. Relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN).
III
Product data
Production
[1] [2] [3]
Please consult the most recently issued data sheet before initiating or completing a design. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com. For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
12. Definitions
Short-form specification -- The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition -- Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information -- Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification.
13. Disclaimers
Life support -- These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes -- Philips Semiconductors reserves the right to make changes in the products - including circuits, standard cells, and/or software - described or contained herein in order to improve design and/or performance. When the product is in full production (status `Production'), relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified.
14. Contact information
For additional information, please visit: http://www.semiconductors.philips.com For sales office addresses, send an email to: sales.addresses@www.semiconductors.philips.com
9397 750 13313
(c) Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 -- 14 June 2004
14 of 15
Philips Semiconductors
PESDxS1UB series
ESD protection diodes in SOD 523 package
15. Contents
1 1.1 1.2 1.3 1.4 2 3 4 5 6 7 8 9 10 11 12 13 14 Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1 General description. . . . . . . . . . . . . . . . . . . . . . 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Quick reference data. . . . . . . . . . . . . . . . . . . . . 1 Pinning information . . . . . . . . . . . . . . . . . . . . . . 2 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Application information. . . . . . . . . . . . . . . . . . 10 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 11 Packing information. . . . . . . . . . . . . . . . . . . . . 12 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 13 Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 14 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Contact information . . . . . . . . . . . . . . . . . . . . 14
(c) Koninklijke Philips Electronics N.V. 2004
All rights are reserved. 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. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Date of release: 14 June 2004 Document order number: 9397 750 13313
Published in The Netherlands

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