The 8240136 is a Transient Voltage Suppressor (TVS) Diode Array features low clamping voltage, very low capacitance and flow thru design for a simple layout.
Sturdy design
Rail to rail protection
12A Peak pulse current (tp = 8/20μs)
-55 to +125°C Operating temperature range
UL94V-0 Moulding compound flammability rating
ESD protection for 2 high-speed I/O channels and VDD