Philips Semiconductors
9-fold ESD Transient Suppressor
GRAPHICAL DATA
Preliminary specification
BZA109TS
IEC 1000-4-2 network
CZ = 150 pF; RZ = 330 Ω
Vertical Scale = 100 V/Div
Horizontal Scale = 50 ns/Div
Note 1: attenuator is only used for open
socket high voltage measurements
GND
output
Vertical Scale = 10 V/Div
Horizontal Scale = 50 ns/Div
GND
Unclamped +1 kV ESD Voltage Waveform
(IEC1000-4-2 network)
GND
Vertical Scale = 100 V/Div
Horizontal Scale = 50 ns/Div
GND
in pu t
Clamped +1 kV ESD Voltage Waveform
(IEC1000-4-2 network)
GND
in pu t
Vertical Scale = 10 V/Div
Horizontal Scale = 50 ns/Div
Unclamped -1 kV ESD Voltage Waveform
(IEC1000-4-2 network)
GND
output
Clamped -1 kV ESD Voltage Waveform
(IEC1000-4-2 network)
Fig.7 ESD clamping test set-up and waveforms.
1997 Sep 08
5