NXP Semiconductors
Quadruple ESD transient voltage
suppressor
Product data sheet
BZA800A-series
handbook, full pagewidth
ESD TESTER
RZ
CZ
450 Ω
RG 223/U
50 Ω coax
10×
ATTENUATOR
note 1
DIGITIZING
OSCILLOSCOPE
50 Ω
IEC 1000-4-2 network
CZ = 150 pF; RZ = 330 Ω
1/4 BZA800A
Note 1: attenuator is only used for open
socket high voltage measurements
vertical scale = 100 V/div
horizontal scale = 50 ns/div
GND
unclamped +1 kV ESD voltage waveform
(IEC 1000-4-2 network)
GND -4
BZA820A
GND -3
BZA868A
GND -2
BZA862A
GND -1
BZA856A
vertical scale = 10 V/div
horizontal scale = 50 ns/div
clamped +1 kV ESD voltage waveform
(IEC 1000-4-2 network)
GND
GND
vertical scale = 100 V/div
horizontal scale = 50 ns/div
unclamped −1 kV ESD voltage waveform
(IEC 1000-4-2 network)
vertical scale = 10 V/div
horizontal scale = 50 ns/div
clamped −1 kV ESD voltage waveform
(IEC 1000-4-2 network)
MGT587
2000 Sep 25
Fig.6 ESD clamping test set-up and waveforms.
6