2002 Jan 11
5
NXP Semiconductors
Product data sheet
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
CZ = 150 pF; RZ = 330
Ω
1/4 BZA800AL
RG 223/U
50
Ω
coax
RZ
CZ
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.