ESD4238
IEC 6100 ? 4 ? 2
Test Standards
Voltage
Probe
IEC 6100 ? 4 ? 2
Test Standards
Voltage
Probe
ESD4238
Standard
ESD Device
Device Under
Protection (DUP)
R VARIABLE
Device Under
Protection (DUP)
R VARIABLE
Current
Probe
I RESIDUAL
Current
Probe
I RESIDUAL
Figure 7. Test Setups: Standard Device (Left) and ESD4238 (Right)
ESD4238 Application and Guidelines
As a general rule, the ESD4238 ESD protection array
should be located as close as possible to the point of entry of
expected electrostatic discharges with minimum PCB trace
lengths to the ground planes and between the signal input
and the ESD device to minimize stray series inductance.
Figure 8. Application of Positive ESD Pulse Between Input Channel and Ground
Figure 9. Typical PCB Layout
ORDERING INFORMATION
Ordering Part Number (Note 3)
ESD4238MTTAG
Number of Pins
16
Part Marking (Note 4)
238(M)
Package
WDFN
(Pb ? Free)
Shipping
3000 / Tape & Reel
3. Parts are shipped in tape and reel form.
4. (M) is a 2 ? character datecode.
http://onsemi.com
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