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PulseGuard ? Suppressors
Surface Mount Polymeric ESD Suppressors
RoHS Pb
PGB1 Series Lead-Free 0805 ESD Suppressor
Product Overview
PulseGuard ESD Suppressors help protect sensitive electronic
equipment against electrostatic discharge (ESD). They supplement the
on-chip protection of integrated circuitry and are best suited for low-
voltage, high-speed applications where low capacitance is important.
Data ports utilizing such high-speed protocols as USB 2.0, IEEE1394,
HDMI and DVI can benefit from this new technology. PulseGuard
suppressors use polymer composite materials to suppress fast-rising
ESD transients (as specified in IEC 61000-4-2 and MIL-STD-883E),
while adding virtually no capacitance to the circuit.
Features
? Lead-Free
? Ultra-low capacitance
? Low leakage current
? Fast response time
? 4-lines of protection
? Bi-directional
? Withstands multiple ESD strikes
? Based on industry standard 2012 package
Reference Dimensions:
Reflow Solder
? Compatible with pick-and-place processes
? Available in 1,000 and 5,000 piece reels (EIA-RS481)
0.71 (.028")
2.03 (.080") TYP
Typical Applications
0.74
(.029")
1.27
(.050")
1.27
(.050") TYP
?
HDTV Hardware
0.203
?
?
?
Laptop/Desktop Computers
Network Hardware
Computer Peripherals
0.635 (.025")
0.74
(.029")
0.51 (.020")
0.279
(.011")
Sn
(.008") TYP
0.127
(.005") TYP
?
?
Digital Cameras
External Storage
NOTE: When wave soldering, the gap between pads should be
covered with photo-imageable solder mask to prevent bridging
between terminations under the component. Also the spacing
between the ground contacts should be increased from
.635mm (.025") to .889 (.035").
? Set-Top Boxes
0.406 (.016") TYP
Ordering Information
Equivalent Circuit
CATALOG NUMBER
PGB1040805MR
PGB1040805NR
PIECES PER REEL
1,000
5,000
1
6
1
6
Design Consideration
2
5
2
5
Because of the fast rise-time of the ESD transient, placement of
PulseGuard suppressors is a key design consideration. To achieve
optimal ESD suppression, the devices should be placed on the circuit
3
4
3
4
board as close to the source of the ESD transient as possible. Install
PulseGuard suppressors directly behind the connector so that they are
the first board-level circuit component encountered by the ESD transient.
They are connected from signal/data line to ground.
208
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