TVS Diode. ST0521D4 Datasheet

ST0521D4 Diode. Datasheet pdf. Equivalent

ST0521D4 Datasheet
Recommendation ST0521D4 Datasheet
Part ST0521D4
Description 1-Line Ultra Low Capacitance Bi-directional TVS Diode
Feature ST0521D4; ST0521D4 1-Line Ultra Low Capacitance Bi-directional TVS Diode Description Mechanical Characterist.
Manufacture Sursemi
Datasheet
Download ST0521D4 Datasheet




Sursemi ST0521D4
ST0521D4
1-Line Ultra Low Capacitance Bi-directional TVS Diode
Description
Mechanical Characteristics
The ST0521D4 is a bi-directional TVS diode, utilizing leading
monolithic silicon technology to provide fast response time and
low ESD clamping voltage, making this device an ideal solu-
tion for protecting voltage sensitive high-speed data lines. The
ST0521D4 has an ultra-low capacitance with a typical value at
0.26pF, and complies with the IEC 61000-4-2 (ESD) standard
with ±15kV air and ±8kV contact discharge. It is assembled
into an ultra-small 1.0x0.6x0.5mm lead-free DFN package. The
small size, ultra-low capacitance and high ESD surge protec-
tion make ST0521D4 an ideal choice to protect cell phone,
digital video interfaces and other high speed ports.
Package: DFN1006-2
Lead Finish: NiPdAu
Case Material: “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 3 per J-STD-020
Terminal Connections: See Diagram Below
Marking Information: See Below
Features
Ultra small package: 1.0x0.6x0.5mm
Ultra low capacitance: 0.26pF typical
Ultra low leakage: nA level
Low operating voltage: 5V
Low clamping voltage
2-pin leadless package
Complies with following standards:
– IEC 61000-4-2 (ESD) immunity test
Air discharge: ±20kV
Contact discharge: ±15kV
– IEC61000-4-4 (EFT) 40A (5/50ns)
– IEC61000-4-5 (Lightning) 4A (8/20µs)
RoHS Compliant
Applications
Cellular Handsets and Accessories
Display Ports
MDDI Ports
USB Ports
Digital Video Interface (DVI)
PCI Express and Serial SATA Ports
Ordering Information
Part Number
ST0521D4
Packaging
10000/Tape & Reel
Reel Size
7 inch
Dimensions
Schematic and PIN Configuration
1
Maximum Dimensions (mm)
Rev. 6_Aug, 2014
1 of 5
2
DFN1006-2 (Bottom View)
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Sursemi ST0521D4
ST0521D4
Absolute Maximum Ratings (TA=25˚C unless otherwise specified)
Parameter
Peak Pulse Power (8/20µs)
Peak Pulse Current (8/20µs)
ESD per IEC 61000−4−2 (Air)
ESD per IEC 61000−4−2 (Contact)
Operating Temperature Range
Storage Temperature Range
Symbol
Ppk
IPP
VESD
TJ
Tstg
Electrical Characteristics (TA=25˚C unless otherwise specified)
Value
100
4
±20
±15
−55 to +125
−55 to +150
Unit
W
A
kV
°C
°C
Parameter
Reverse Working Voltage
Breakdown Voltage
Reverse Leakage Current
Clamping Voltage
Clamping Voltage
Junction Capacitance
Symbol Min Typ Max Unit Test Condition
VRWM
VBR
5.4
5V
9 V IT = 1mA
IR 0.5 uA VRWM = 5V
VC 12 V IPP = 1A (8 x 20µs pulse)
VC 25 V IPP = 4A (8 x 20µs pulse)
CJ
0.26 0.35
pF VR = 0V, f = 1MHz
Rev. 6_Aug, 2014
2 of 5
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Sursemi ST0521D4
Typical Performance Characteristics (TA=25˚C unless otherwise specified)
10
ST0521D4
1
0.1
Junction Capacitance vs. Reverse Voltage
25
20
15
10
5
0
012345
Peak Pulse Current_Ipp (A)
Clamping Voltage vs. Peak Pulse Current
100
90
80
70
60
50
40
30
20
10
0
0
20 40 60
Time_t(uS)
8 X 20uS Pulse Waveform
80
0.01
0.1 1 10 100
Pulse Duration_tp(uS)
Peak Pulse Power vs. Pulse Time
120
100
80
60
40
20
0
0 25 50 75 100 125 150
Ambient Temperature_Ta()
Power Derating Curve
ESD Clamping Voltage
8 kV Contact per IEC61000−4−2
Rev. 6_Aug, 2014
3 of 5
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