PGB Datasheet, PDF (3/3 Pages) Littelfuse – PGB Series SOT23 Surface Mount ESD Suppressor

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PulseGuard^® Suppressors
Polymeric ESD Suppressors
PGB Series SOT23 Surface Mount ESD Suppressor
Test Set-up for IEC 61000-4-2 Waveform, 2kV-15kV
KeyTek pulser
2,000- 15,000 V
Device under test
Tek P6156 Probe (Voltage measurement)
Brown tip (x100)
Faraday cage
x10
Ground return
x10
4
Tektronic TDS 684B
Blue tip (x10)
.5 ohm shunt (10-5 ohms in parallel)
Tek P6156 Probe (Current measurement)
Recommended Pad Layout:
a
d
b
c
e
Reference Schematics:
Device Dimensions:
2.24
(0.088")
2.032
(0.080")
2.997
(0.118")
a
b
* Dimension "a" is: 0.066 (.026")
* Dimension "b" is: 0.076 (.030")
Equivalent Circuit:
1
3
2
SOLDER METHOD
Wave Solder
Reflow Solder
A
INCH
MM
0.050
1.27
0.050
1.27
B
INCH
0.040
0.040
MM
1.016
1.016
C
INCH
MM
0.050
1.27
0.040
1.01
D
INCH
0.090
0.080
MM
2.29
2.032
E
INCH
MM
0.150
3.81
0.140
3.56
Note: Pin 3 (common) is typically connected to chassis ground.
However, since PulseGuard suppressors are bi-directional, thex system
voltage bus can also be used as the ESD “dump”.
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