Modified_030108
CIRCUIT
PROTECTION
SOLUTIONS
Confidential and Proprietary to Littelfuse, Inc. ® Littelfuse, Inc. 2008. All rights reserved.
Using the ESD Selection Guide
• Change to “presentation mode” to activate links
• The selection guide is driven from the next slide
• To learn about protection with a specific technology, click on
the respective circuit in the “Applications and Circuits” column
• For an overview of each ESD technology, click on the
respective technology link
Click here to go to the
ESD selection chart
Modified_030108
CIRCUIT
PROTECTION
SOLUTIONS
Confidential and Proprietary to Littelfuse, Inc. ® Littelfuse, Inc. 2008. All rights reserved.
Protection
Technology
Data
Rate
Peak/clamp
(8kV)
ESD
Level
Discrete
Options
Array
Options
Applications
and Circuits
Relative
Cost
Key
Advantage
MLV
<125
Mbps
Good Good
0201
0402
0603
0805
1206
1206
Keypad/switch,
audio, analog
video, USB1.1,
RS232
Best
Lowest
cost; broad
discrete
offering
SPA ≤5Gbps Excellent Excellent
0402
(SOD723)
0201
(Flipchip)
SOIC
MSOP
SOT23
SC70
SOT553
SOT563
SOT953
µDFN
Keypad/switch,
USB1.1,
USB2.0,
USB3.0, Audio,
Analog video,
1394, HDMI,
Ethernet, MMC
interface, LCD
module
Good
Lowest
peak and
clamping
voltages
PGB 10Gbps+ Fair Good
0402
0603
SOT23
USB2.0, 1394,
HDMI, RF
antenna
Good
Lowest
capacitance
MLV = Multilayer Varistor SPA = Silicon Protection Array PGB = PulseGuard
®
suppressor
ESD Selection Chart