SES12VD923-2U

Surge Components, Inc.
1. DESCRIPTION
The SES12VD923-2U 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 SES12VD923-2U
protects sensitive semiconductor components from damage or upset
due to electrostatic discharge (ESD) and other voltage induced
transient events. The SES12VD923-2U is available in a SOD-923
package with working voltages of 12 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. It may be used to
meet the ESD immunity requirements of IEC 61000-4-2, Level 4
(±15kV air, ±8kV contact discharge)
2. FEATURE
140 Watts peak pulse power (tp=8/20us)
Transient protection for data lines to
IEC 61000-4-2(ESD)±25kV(air),±30kV(contact)
IEC 61000-4-4(EFT) 40A(5/50ns)
IEC 61000-4-5(Lightning) 24A(8/20us)
Small package for use in portable electronics
Suitable replacement for MLV’s in ESD protection applications
Protect one I/O or power line
Low clamping voltage
Stand off voltage : 12V
Low leakage current
Solid-state silicon-avalanche technology
Small body Outline Dimensions: 1.0mm*0.6mm*0.4mm
2
95 East Jefryn Blvd
Deer Park, NY
11729
(631) 595-1818
Surge Components, Inc.
3. APPLICATION
Cell Phone Handsets and Accessories
Personal Digital Assistants (PDA’s)
Notebooks, Desktops, and Servers
Portable Instrumentation
Cordless Phones
Digital Cameras
Peripherals
MP3 Players
4. ELECTRICAL CHARACTERISTICS PER LINE@25℃
℃(UNLESS OTHERWISE SPECIFIED)
Parameter
Working Voltage
Symbol
Conditions
Min.
Typ.
VRWM
Breakdown Voltage
VBR
It=1mA
13.5
Reverse Leakage Current
IR
VRWM=12V
v
Forward voltage
VF
Max.
Units
12
V
V
IF=10mA
1.0
uA
0.8
Clamping Voltage
VC
IPP=5.9A tP=8/20uS
23.7
V
Junction Capacitance
CJ
VR=0V f=1MHz
30
pF
5. ABSOLUTE MAXIMUM RATING @25℃
℃
Rating
Symbol
Value
Units
Peak Pulse Power(tp=8/20µs)
PPP
140
Watts
Maximum peak pulse current(tp=8/20µs)
IPP
5.9
Amps
Lead Soldering temperature
TL
260(10 sec)
℃
Operating Temperature
Tj
-55 to +125
℃
TSTG
-55 to +150
℃
Storage Temperature
3
95 East Jefryn Blvd
Deer Park, NY
11729
(631) 595-1818
Surge Components, Inc.
6.TYPICAL CHARACTERISTICS
4
95 East Jefryn Blvd
Deer Park, NY
11729
(631) 595-1818
Surge Components, Inc.
7. APPLICATION INFORMAITON
■ Device Connection options
SES12VD923-2U is designed to protect one data, I/O, or power supply line. The device is unidirectional and may be used on
lines where the signal polarity is above ground. The cathode dot should be placed towards the line that is to be protected.
■
Circuit Board Layout recommendations for Suppression of ESD.
Good circuit board layout is critical for the suppression of ESD induced transients. The following guidelines are
recommended:
Place the TVS near the input terminals or connectors to restrict transient coupling
Minimize the path length between the TVS and the protected line.
Minimize all conductive loops including power and ground loops.
The ESD transient return path to ground should be kept as short as possible.
Never run critical signals near board edges.
Use ground planes whenever possible, for multiplayers printed-circuit boards, use ground vias.
Keep parallel signal paths to a minimum.
Avoid running protection conductors in parallel with unprotected conductor.
Minimize all printed-circuit board conductive loops including power and ground loops.
Avoid using shared transient return paths to a common ground point.
8. PRODUCT DIMENSION
NOTES:
1.DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982
2.CONTROLLING DIMENSION: MILLIMETERS.
3.MAXIMUM
LEAD
THICKNESS
INCLUDES
LEAD
FINISH
THICKNESS.MINIMUM LEAD THICKNESS IS THE MINIMUM
THICKNESS OF BASE MATERIAL
DIM
MIN
0.36
0.15
0.07
0.75
0.55
0.95
0.05
A
b
c
D
E
HE
L
5
MILLIMETERS
NOM
MAX
0.40
0.43
0.20
0.25
0.12
0.17
0.80
0.85
0.60
0.65
1.00
1.05
0.10
0.15
MIN
0.014
0.006
0.003
0.030
0.022
0.037
0.002
INCHES
NOM
0.016
0.008
0.005
0.031
0.024
0.039
0.004
MAX
0.017
0.010
0.007
0.033
0.026
0.041
0.006
95 East Jefryn Blvd
Deer Park, NY
11729
(631) 595-1818