PESDXC2FD5VU
Ultra Small ESD Protector
Description
The PESDXC2FD5VU ESD protector is designed to replace multilayer varistors(MLVs) in
portable applications such as cell phones, notebook computers, and PDA’s. They feature
large cross-sectional area junctions for conducting high transient currents, offer desirable
electrical characteristics for board level protection, such as fast response time, lower
operating voltage, lower clamping voltage and no device degradation when compared to
MLVs. The PESDXC2FD5VU protects sensitive semiconductor components from damage
2
1
or upset due to electrostatic discharge (ESD) and other voltage induced transient events.
The PESDXC2FD5VU is available in a DFN1006-2L package with working voltages of 5
Top view
volt. It gives designer the flexibility to protect one unidirectional line in applications where
arrays are not practical. Additionally, it may be “ sprinkled ”
around the board in
applications where board space is at a premium.
Feature
Applications
Ultra low capacitance 0.5pF
Cell phone handsets and accessories
DFN1006-2L package
Personal digital assistants (PDA’s)
Replacement for MLV(0402)
Notebooks, desktops, and servers
Unidirectional configurations
Portable instrumentation
Response time is typically < 1 ns
Cordless phones
Protect one I/O or power line
Digital cameras
Low clamping voltage
Peripherals
RoHS compliant
MP3 players
Transient protection for data lines to IEC 61000-4-2(ESD)
±25KV (air), ±20KV (contact); IEC 61000-4-4 (EFT) 40A (5/50ns)
Mechanical Characteristics
Lead finish:100% matte Sn(Tin)
Mounting position: Any
Qualified max reflow temperature:260℃
Device meets MSL 1 requirements
Pure tin plating: 7 ~ 17 um
Pin flatness:≤3mil
Rev.06.6
1
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Ultra Small ESD Protector
PESDXC2FD5VU
Electronics Parameter
Symbol
Parameter
VRWM
Peak Reverse Working Voltage
IR
I
IF
Reverse Leakage Current @ VRWM
VBR
Breakdown Voltage @ IT
IT
Test Current
IPP
Maximum Reverse Peak Pulse Current
VC
Clamping Voltage @ IPP
PPP
Peak Pulse Power
CJ
Junction Capacitance
IF
Forward Current
VF
Forward Voltage @ IF
V
VC VBR VRWM
IR VF
IT
IPP
Electrical characteristics per line@25℃( unless otherwise specified)
Parameter
Symbol
Peak Reverse Working Voltage
VRWM
Breakdown Voltage
Conditions
Max.
Units
5.0
V
8.5
V
1.0
μA
0.8
1.25
V
8.5
9.2
V
tP = 8/20μS
14.0
16.0
V
f = 1MHz
0.5
0.65
pF
VBR
It =1mA
Reverse Leakage Current
IR
VRWM =5V
Forward Voltage
VF
IF =10mA
Clamping Voltage
VC
IPP=1A
Clamping Voltage
VC
IPP=6.5A
Junction Capacitance
Cj
VR=0V
Min.
5.4
tP = 8/20μS
Typ.
7.0
Absolute maximum rating@25℃
Rating
Symbol
Value
Units
Peak Pulse Power (tp=8/20μs)
Ppp
100
W
Lead Soldering Temperature
TL
260(10 sec)
℃
Operating Temperature
TJ
-55 to 125
℃
TSTG
-55 to 150
℃
Storage Temperature
Rev.06.6
2
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Ultra Small ESD Protector
PESDXC2FD5VU
tf=8μs
100
100
80
60
80
% Of Rated Power
IPP – Peak Pulse Current - % of
IPP
Typical Characteristics
tP =20μs(IPP /2)
40
60
40
20
20
0
0
5
10
15
20
25
0
30
0
25
50
t - Time -μs
1
Pulse waveform: tp=8/20us
9
6
3
1
3
2
150
5
4
0.6
0.4
0.2
0
7
6
f=1MHz
0.8
C-Junction capacitance (pF)
VC-Clamping Voltage (V)
12
0
125
Fig 2.Power Derating Curve
15
0
100
TL – Lead Temperature - ℃
Fig 1.Pulse Waveform
18
75
0
1
2
3
4
5
VR-Reverse voltage (V)
IPP-Peak pulse current (A)
Fig 3. Clamping voltage vs. Peak pulse current
Fig 4. Capacitance vs. Reveres voltage
20
1000
18
Peak Pulse Power (W)
16
Current (A)
14
12
RD=0.73Ω
10
8
6
4
100
10
2
1
0
4
8
12
Voltage
16
20
24
26
1
100
1000
Pulse Duration(us)
(V)
Fig 5. TLP Measurement
Rev.06.6
10
Fig 6. Non Repetitive Peak Pulse Power vs. Pulse time
3
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Ultra Small ESD Protector
PESDXC2FD5VU
Solder Reflow Recommendation
Peak Temp=257℃, Ramp Rate=0.802deg. ℃/sec
280
240
200
160
120
80
40
0
0
30
60
90
120
150
180
240
210
270
300
330
360
390
420
450
480
Time (sec)
PCB Design
For TVS diodes a low-ohmic and low-inductive path to chassis earth is absolutely mandatory in order to achieve good ESD
protection. Novices in the area of ESD protection should take following suggestions to heart:
Do not use stubs, but place the cathode of the TVS diode directly on the signal trace.
Do not make false economies and save copper for the ground connection.
Place via holes to ground as close as possible to the anode of the TVS diode.
Use as many via holes as possible for the ground connection.
Keep the length of via holes in mind! The longer the more inductance they will have.
Rev.06.6
4
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Ultra Small ESD Protector
PESDXC2FD5VU
Product dimension (DFN1006-2L)
A
Dim
B
C
D
R
2
E
1
Millimeters
MIN
MAX
MIN
MAX
A
0.013
0.020
0.34
0.50
B
0.000
0.002
0.00
0.05
C
0.037
0.043
0.95
1.080
D
0.022
0.027
0.55
0.680
E
0.016
0.024
0.40
0.60
F
0.008
0.012
0.20
0.30
H
0.015Typ.
R
F
Inches
0.001
0.40Typ.
0.005
0.05
0.15
H
1.10
0.60
Unit:mm
0.40
Suggested
PCB Layout
Marking information
U1
Ordering information
Device
Package
Reel
Shipping
PESDXC2FD5VU
DFN1006-2L (Pb-Free)
7"
10000 / Tape & Reel
Rev.06.6
5
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Ultra Small ESD Protector
PESDXC2FD5VU
Load with information
USER DIRECTION OF FEED
Φ1.50 ± 0.10
2.00 ± 0.05
2.00 ± 0.05
4.00 ± 0.10
1.75 ± 0.10
3.50 ± 0.05
8.00 ± 0.10
Φ0.50 ± 0.05
Rev.06.6
6
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Ultra Small ESD Protector
PESDXC2FD5VU
IMPORTANT NOTICE
and
are registered trademarks of Prisemi Electronics Co., Ltd (Prisemi) ,Prisemi
reserves the right to make changes without further notice to any products herein. Prisemi makes
no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does Prisemi
assume any liability arising out of the application or use of any
product or circuit, and specifically disclaims any and all liability, including without limitation
special, consequential or incidental damages. “Typical” parameters which may be provided in
Prisemi data sheets and/or specifications can and do vary in different applications and actual
performance may vary over time. All operating parameters, including “Typicals” must be
validated for each customer application by customer’s technical experts. Prisemi does not
convey any license under its patent rights nor the rights of others. The products listed in this
document are designed to be used with ordinary electronic equipment or devices, Should you
intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical
instruments, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety
devices), please be sure to consult with our sales representative in advance.
Website: http://www.prisemi.com
For additional information, please contact your local Sales Representative.
©Copyright 2009, Prisemi Electronics
is a registered trademark of Prisemi Electronics.
All rights are reserved.
Rev.06.6
7
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