PTVSHC1DF12VB
ESD Protector
Description
The PTVSHC1DF12VB 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 PTVSHC1DF12VB protects sensitive semiconductor components from damage
or upset due to electrostatic discharge (ESD) and other voltage induced transient events.
The PTVSHC1DF12VB is available in a SOD-123FL package with working voltages of 12
volt. It is used to meet the ESD immunity requirements of IEC 61000-4-2, Level 4 (±15kV
air, ±8kV contact discharge)
Feature
Applications
¾
3200W Peak pulse power per line (tP = 8/20μs)
¾
Cell phone handsets and accessories
¾
SOD-123FL package
¾
Personal digital assistants (PDA’s)
¾
Response time is typically < 1 ns
¾
Notebooks, desktops, and servers
¾
Protect one I/O or power line
¾
Portable instrumentation
¾
Low clamping Voltage
¾
Cordless phones
¾
RoHS compliant
¾
Digital cameras
¾
Transient protection for data lines to IEC 61000-4-2(ESD)
¾
Peripherals
±30KV(air), ±30KV(contact); IEC 61000-4-4 (EFT) 40A (5/50ns) ¾
MP3 players
Mechanical Characteristics
¾
Lead finish:100% matte Sn(Tin)
¾
Mounting position: Any
¾
Qualified max reflow temperature:260℃
¾
Device meets MSL 2 requirements
¾
Pure tin plating: 7 ~ 17 um
¾
Pin flatness:≤3mil
Rev.06.4
1
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ESD Protector
PTVSHC1DF12VB
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
I
IPP
IT
IR
VC VBRVRWM
V
IR
IT
VRWM VBR VC
IPP
Electrical characteristics per line@25℃( unless otherwise specified)
Parameter
Symbol
Conditions
Peak Reverse Working Voltage
VRWM
Breakdown Voltage
VBR
It =1mA
Reverse Leakage Current
IR
VRWM =12V
Clamping Voltage
VC
IPP=120A tP = 8/20μs
Junction Capacitance
Cj
VR=0V f = 1MHz
Min.
Typ.
Max.
Units
12
V
14.5
V
1
μA
22
24
V
350
450
pF
13.5
Absolute maximum rating@25℃
Rating
Symbol
Value
Units
Peak Pulse Power ( tP = 8/20μS )
Ppp
3200
W
Lead Soldering Temperature
TL
260 (10 sec)
℃
Operating Temperature
TJ
-55 to +125
℃
TSTG
-55 to +150
℃
Storage Temperature
Rev.06.4
2
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ESD Protector
PTVSHC1DF12VB
Typical Characteristics
tf=8μs
IPP – Peak Pulse Current - % of
IPP
100
100
% Of Rated Power
80
60
tP =20μs(IPP /2)
40
80
60
40
20
20
0
0
0
5
10
15
20
25
0
30
25
50
t - Time -μs
75
100
125
150
TL – Lead Temperature - ℃
Fig 1.Pulse Waveform
Fig 2.Power Derating Curve
48
470
f=1MHz
Pulse waveform: tp=8/20us
40
C-Junction capacitance (pF)
VC-Clamping Voltage (V)
376
32
24
16
8
0
282
188
94
0
0
40
80
120
IPP-Peak pulse current (A)
160
200
Fig 3. Clamping voltage vs. Peak pulse current
0
0.5
1.0
1.5
VR-Reverse voltage (V)
2.0
Fig 4. Capacitance vs. Reveres voltage
Peak Pulse Power (W)
10000
1000
100
10
1
10
100
Pulse Duration(us)
1000
Fig 5. Non Repetitive Peak Pulse Power vs. Pulse time
Rev.06.4
3
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2.5
ESD Protector
PTVSHC1DF12VB
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:
¾
Do not use stubs, but place the cathode of the TVS diode directly on the signal trace.
¾
Do not make false economies and save copper for the ground connection.
¾
Place via holes to ground as close as possible to the anode of the TVS diode.
¾
Use as many via holes as possible for the ground connection.
¾
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
PTVSHC1DF12VB
Product dimension (SOD-123FL)
Unit:mm
Inches
Millimeters
Dim
MIN
MAX
MIN
MAX
A
0.031
0.047
0.80
1.20
C
0.002
0.010
0.05
0.25
HE
0.138
0.154
3.50
3.90
E
0.061
0.077
1.55
1.95
D
0.098
0.114
2.50
2.90
g
0.020
0.043
0.50
1.10
e
0.024
0.039
0.60
1.00
k
0.004
0.10
7°
∠
Ordering information
Device
Package
Shipping
PTVSHC1DF12VB
SOD-123FL (Pb-Free)
3000 / Tape & Reel
Rev.06.4
5
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ESD Protector
PTVSHC1DF12VB
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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