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Transcript
ESD Protection for Highly Sensitive
Electronic Circuits
Introducing the TVSA Series of Low
Capacitance Transient Voltage
Suppressors for ESD Protection in
Discrete 0201 and 0402 SMD
Packages
• Low Clamping Voltages
The TVSA Series utilizes solid state silicon avalanche diode
technology to provide superior protection against electrostatic
discharge (ESD) for very sensitive ICs.
• Bi-Directional
With a schematic equivalent to two avalanche diodes opposing one
another in series with a capacitor in parallel, the bi-directional TVSA
Series protects against unwanted positive and negative voltage
spikes.
• Space Savings
The discrete 0201 and 0402 SMD packages save precious PCB space
while giving designers flexibility in device placement for superior ESD
protection schemes.
• Low Leakage Currents
Reduce power consumption with low leakage currents.
• ESD Protection
The TVSA provides ESD protection as specified by the IEC 61000-4-2
Level 4 test, due to its quick response time of under 1ns.
• Environmentally Friendly
Cooper Bussmann offers ESD suppressors that are RoHS compliant,
lead free and halogen free, making them a great choice for any
global application.
TVSA Specifications*
Catalog Symbols:
HALOGEN
HF
FREE
Pb
TVSA02V05C004 (0201 size)
TVSA04V05C006 (0402 size)
Technology:
• Transient voltage suppression via solid-state
silicon-avalanche diode technology
Electrical Characteristics:
• Reverse Stand-off Voltage: 5Vdc
• Reverse Breakdown Voltage: 10Vdc
• Capacitance:
4pF (0201)
6pF (0402)
ESD Capability:
• IEC61000-4-2 Direct Discharge: 8kV
• IEC61000-4-2 Air Discharge: 15kV
Dimensions - mm:
Typical Applications:
• Computers and peripherals
• Digital still cameras
W
• Cell phones
• Medical equipment
C
• DVD Players
L
• MP3/Multimedia players
• LCD TV / Monitor
H
• External storage
Size
0201
0402
L
0.60±0.05
1.00±0.15
W
0.30±0.05
0.50±0.10
H
0.30±0.05
0.50±0.10
• DSL Modems
C
0.20±0.10
0.25±0.15
• Set top boxes
• Docking systems
Design Considerations:
The location in the circuit for the TVSA Series has to be
carefully determined. For better performance, the device
should be placed as close to the signal input as possible
and ahead of any other component. Due to the high
current associated with an ESD event, it is recommended
to use a “0-stub” pad design (pad directly on the
signal/data line and second pad directly on common
ground).
Environmental Specifications
Characteristic
Bias Humidity:
Thermal Shock:
Operating Temperature Range:
Storage Temperature Range:
Value
+40°C, 90% RH for 1000 hours
-40°C to +85°C, 30 minute cycle, 5 cycles
-40°C to +85°C
-40°C to +85°C
* For more details, see Data Sheet 4072 online at www.cooperbussmann.com/elx
Order samples online - www.cooperbussmann.com
© 2009 Cooper Bussmann
S t . L o u i s, M O 6 3 1 7 8
636-394-2877
w w w. c o o p e r bu s s m a n n . c o m
Reorder # 5089
0609
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