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2002 Jan 11 5
Philips Semiconductors Product specification
Quadruple ESD transient voltage suppressor BZA800AL series
handbook, full pagewidth
MLD794
450 Ω
50 Ω
Note 1: attenuator is only used for open
socket high voltage measurements
IEC 61000-4-2 network
C
Z
= 150 pF; R
Z
= 330 Ω
1/4 BZA800AL
RG 223/U
50 Ω coax
R
Z
C
Z
ESD TESTER DIGITIZING
OSCILLOSCOPE
10×
ATTENUATOR
note 1
GND
GND
GND
unclamped +1 kV ESD voltage waveform
(IEC 61000-4-2 network)
clamped +1 kV ESD voltage waveform
(IEC 61000-4-2 network)
vertical scale = 100 V/div
horizontal scale = 50 ns/div
unclamped −1 kV ESD voltage waveform
(IEC 61000-4-2 network)
clamped −1 kV ESD voltage waveform
(IEC 61000-4-2 network)
vertical scale = 100 V/div
horizontal scale = 50 ns/div
vertical scale = 5 V/div
horizontal scale = 50 ns/div
vertical scale = 5 V/div
horizontal scale = 50 ns/div
BZA868AL
BZA862AL
BZA856AL
Fig.6 ESD clamping test set-up and waveforms.