NXP Semiconductors
Double ESD protection diodes in SOT23
package
Product data sheet
PESDxS2UT series
ESD TESTER
RZ
CZ
note 1
450 Ω
RG 223/U
50 Ω coax
10×
ATTENUATOR
4 GHz DIGITAL
OSCILLOSCOPE
50 Ω
Note 1: IEC61000-4-2 network
CZ = 150 pF; RZ = 330 Ω
D.U.T.: PESDxS2UT
vertical scale = 200 V/div
horizontal scale = 50 ns/div
GND
unclamped +1 kV ESD voltage waveform
(IEC61000-4-2 network)
GND
GND
GND
GND
vertical scale = 20 V/div
horizontal scale = 50 ns/div
PESD24VS2UT
PESD15VS2UT
PESD12VS2UT
GND
PESD5V2S2UT
GND
PESD3V3S2UT
clamped +1 kV ESD voltage waveform
(IEC61000-4-2 network)
GND
vertical scale = 200 V/div
horizontal scale = 50 ns/div
unclamped −1 kV ESD voltage waveform
(IEC61000-4-2 network)
vertical scale = 10 V/div
horizontal scale = 50 ns/div
clamped −1 kV ESD voltage waveform
(IEC61000-4-2 network)
001aaa492
Fig.9 ESD clamping test set-up and waveforms.
2004 Apr 15
9