SPLV2.8-4BTG Datasheet, PDF (1/1 Pages) Littelfuse – 1000 relates to the data rate in Mbps (i.e. 1000Mbps)

Silicon Protection Arrays
Application Guide
1000/Gigabit Ethernet
Considerations:
● 1000 relates to the data rate in Mbps (i.e. 1000Mbps)
→ For 1000Base-T data is transmitted over 4 UTP (unshielded twisted pairs) using a 125MHz clock
● For this data rate the parasitic capacitance should certainly be taken into account
● The 8 data lines below (Tx0:3 and Rx0:3) are being protected against lightning transients by a two stage protection
scheme
→ The SP03 series (x4) should be used in place of the SPLV2.8-4 if higher levels of protection are required
→ The SP4060 series can be used in place of the SP3050 devices if the voltage does not exceed 2.5V
Application Schematic:
RJ-45
Connector
J1
*Package is shown as transparent
SP3050 (x2)
Outside
World
SPLV2.8 (x2)
NC
NC
Ethernet
PHY
J8
Case GND
Case GND
Recommended SPA Devices:
Ordering Number
SPLV2.8-4BTG
SP3050-04HTG
SP4060-08ATG
ESD Level
(Contact)
±30kV
±20kV
±30kV
Lightning
(t_P=8/20μs)
24A
10A
20A
I/O
Capacitance
4pF
2.4pF
4.4pF
# of
Channels
4
4
8
V_RWM
2.8V
6V
2.5V
Packaging
SOIC-8
SOT23-6
MSOP-8
©2009 Littelfuse, Inc
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