PESDNC9D5VB
ESD Protector
Description
The PESDNC9D5VB protects sensitive semiconductor components from damage
or upset due to electrostatic discharge (ESD) and other voltage induced transient
events. 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, low operating voltage. It gives designer
the flexibility to protect one bi-directional line in applications where arrays are not
practical.
Feature
Applications
80W peak pulse power per line (tP = 8/20μs)
Cellular phones
SOD-923 package
Portable devices
Replacement for MLV(0402)
Digital cameras
Bidirectional configurations
Power supplies
Response time is typically < 1ns
Low clamping voltage
RoHS compliant
Transient protection for data lines to
IEC61000-4-2(ESD) ±30KV(air), ±30KV(contact);
IEC61000-4-4 (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
Electronics Parameter
Symbol
Parameter
VRWM
Peak Reverse Working Voltage
IR
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
Rev.06.4
IPP
VC VBR VRWM
I
IT
IR
V
IR
IT
VRWM VBR VC
IPP
1
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ESD Protector
PESDNC9D5VB
Electrical characteristics per line@25℃ (unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Peak Reverse Working Voltage
VRWM
Breakdown Voltage
VBR
It = 1mA
Reverse Leakage Current
IR
VRWM = 5V T=25℃
Maximum Reverse Peak Pulse Current
IPP
Clamping Voltage
VC
IPP=1A
10
V
Clamping Voltage
VC
IPP=3A
13
V
Clamping Voltage
VC
IPP=5A
15
V
Junction Capacitance
Cj
15
pF
5.6
Typ.
Max.
Units
5
V
7.8
V
1.0
μA
6.7
5.5
VR=0V
f = 1MHz
A
12
Absolute maximum rating@25℃
Rating
Symbol
Value
Units
Peak Pulse Power (tp=8/20μs)
Ppp
80
W
Operating Temperature
TJ
-55 to +150
℃
Storage Temperature
TSTG
-55 to +150
℃
Typical Characteristics
100
80
80
% Of Rated Power
IPP – Peak Pulse Current - % of IPP
tf=8μs
100
60
tP =20μs(IPP /2)
40
20
40
20
0
0
0
5
10
15
20
25
0
30
25
50
75
100
125
150
TL – Lead Temperature - ℃
t - Time -μs
Fig 1.Pulse Waveform
Rev.06.4
60
Fig 2.Power Derating Curve
2
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ESD Protector
PESDNC9D5VB
20
16
7.1
12
IR(nA)
Breakdown Voltage (V) (VZ @ IZ)
7.3
6.9
8
6.7
4
6.5
6.3
-55
0
+25
+150
0
25
50
Temperature (ºC)
75
100
125
150
Temperature (ºC)
Fig 3.Typical Breakdown Voltage vs. Temperature
Fig 4.Typical Leakage Current vs. Temperature
20
1000
Pulse waveform: tp=8/20us
Peak Pulse Power (W)
VC-Clamping Voltage (V)
16
12
8
4
100
10
1
0
0
2
6
4
8
1
10
100
1000
Pulse Duration(us)
IPP-Peak pulse current (A)
Fig 5. Clamping voltage vs. Peak pulse current
Fig 6. Non-Repetitive Peak Pulse Power vs. Pulse time
20
TLP current(A)
12
4
-4
Z0=50Ω
-12
tr=2ns
tp=100ns
-20
-12
-8
-4
0
4
8
12
Fig 7 TLP Measuremen
Rev.06.4
3
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ESD Protector
PESDNC9D5VB
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.06.4
4
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ESD Protector
PESDNC9D5VB
Product dimension (SOD-923)
C
Inches
A
Millimeters
Dim
MIN
MAX
MIN
MAX
A
0.030
0.033
0.75
0.85
B
0.022
0.026
0.55
0.65
C
0.037
0.041
0.95
1.05
D
0.014
0.017
0.36
0.43
E
0.006
0.010
0.15
0.25
F
0.002
0.006
0.05
0.15
H
0.003
0.007
0.07
0.17
B
E
D
H
F
0.9
0.4
0.3
Unit:mm
Marking information
9C
Ordering information
Device
Package
Reel
Shipping
PESDNC9D5VB
SOD-923 (Pb-Free)
7''
8000 / Tape & Reel
Rev.06.4
5
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ESD Protector
PESDNC9D5VB
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.06.4
6
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