概述
数据手册SESD3ZXXC 概述
Transient Voltage Suppressors for ESD Protection 瞬态电压抑制器ESD保护
SESD3ZXXC 数据手册
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PDF下载WILLAS
SESD3ZxxC
Transient Voltage Suppressors for ESD Protection
General Description
Features
The SESD3ZxxC is designed to protect voltage
sensitive components from ESD and transient voltage
events. Excellent clamping capability, low leakage, and
fast response time, make these parts ideal for ESD
protection on designs where board space is at a
premium.
z
z
z
z
z
z
Small Body Outline Dimensions
Low Body Height
Peak Power up to 350 Watts @ 8 x 20 µs Pulse
Low Leakage current
Response Time is Typically < 1 ns
ESD Rating of Class 3 (> 16 kV) per Human
Body Model
z
Pb-Free package is available
Applications
z
z
z
z
Cellular phones
Portable devices
Digital cameras
Power supplies
RoHS product for packing code suffix ”G”
Halogen free product for packing code suffix “H”
Complies with the following standards
IEC61000-4-2
Level 4 15 kV (air discharge)
8 kV(contact discharge)
MIL STD 883E - Method 3015-7 Class 3
25 kV HBM (Human Body Model)
Functional diagram
SOD-323
Absolute Ratings (Tamb=25°C)
Symbol
Parameter
Value
Units
W
PPK
TL
Peak Pulse Power (tp = 8/20μs)
350
Maximum lead temperature for soldering during 10s
Storage Temperature Range
260
°C
Tstg
Top
TJ
-55 to +155
-40 to +125
150
°C
Operating Temperature Range
°C
Maximum junction temperature
°C
2012-09
WILLAS ELECTRONIC CORP.
WILLAS
SESD3ZxxV
Transient Voltage Suppressors for ESD Protection
Electrical Parameter
Symbol
IPP
Parameter
Maximum Reverse Peak Pulse Current
Clamping Voltage @ IPP
VC
VRWM
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @
VRWM
IR
IT
Test Current
VBR
Breakdown Voltage @ IT
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
VBR
C
IT
VRWM
IR
Typ.
Min.
Typ.
Max.
Part Numbers
（Note1）
V
V
V
mA
1
V
µA
1
pF
SESD3Z5C
5.4
6.7
7.8
5.0
200
100
SESD3Z12C
13.3
14.5
15.7
1
12.0
1
1. Capacitance is measured at f=1MHz, VR=0V,TA=25℃.
Typical Characteristics
Fig1. Pulse Waveform
Fig2.Power Derating Curve
2012-09
WILLAS ELECTRONIC CORP.
WILLAS
SESD3ZxxV
Transient Voltage Suppressors for ESD Protection
Application Note
Electrostatic discharge (ESD) is a major cause of failure in electronic systems. Transient Voltage
Suppressors (TVS) are an ideal choice for ESD protection. They are capable of clamping the incoming
transient to a low enough level such that damage to the protected semiconductor is prevented.
Surface mount TVS offers the best choice for minimal lead inductance. They serve as parallel
protection elements, connected between the signal lines to ground. As the transient rises above the
operating voltage of the device, the TVS becomes a low impedance path diverting the transient current to
ground. The SESD3ZxxC is the ideal board evel protection of ESD sensitive semiconductor components.
The tiny SOD-323 package allows design flexibility in the design of high density boards where the
space saving is at a premium. This enables to shorten the routing and contributes to hardening against
ESD.
SOD-323 Mechanical Data
.106(2.70)
.091(2.30)
.075(1.90)
.059(1.50)
.043(1.10)
.031(0.80)
.004(0.10)MAX.
.008(0.20)
.004(0.10)
.016(0.40)
.010(0.25)
.010(0.25)MIN.
Dimensions in inches and (millimeters)
Marking
Type number
Marking code
SESD3Z5C
C C
SESD3Z12C
12C
2012-09
WILLAS ELECTRONIC CORP.
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