SP3050-04HTG datasheet(1/1 Pages) LITTELFUSE

Part #	SP3050-04HTG

Description	10/100 relates to the data rate in Mbps (i.e. 10Mbps and 100Mbps)

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Manufacturer	LITTELFUSE [Littelfuse]

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Silicon Protection Arrays

10

Application Guide

10/100 Ethernet

Considerations:

● 10/100 relates to the data rate in Mbps (i.e. 10Mbps and 100Mbps)

→ For 10 Base-T, data is transmitted over 2 UTP (unshielded twisted pairs) using a 10MHz clock

→ For 100Base-TX, data is transmitted over 2 UTP using a 125MHz clock

● For these data rates the parasitic capacitance needs to be taken into account to preserve signal integrity

● The 4 data lines below (Tx+/- and Rx+/-) are being protected against intra-building (i.e. 100A, tP=8/20us) lightning

transients by a two stage protection scheme

Application Schematic:

Recommended SPA Devices:

Ordering Number

ESD Level

(Contact)

Lightning

(tP=8/20μs)

I/O

Capacitance

# of

Channels

VRWM

Packaging

SP03-xBTG

±30kV

150A

16pF

2

3.3V,6V

SOIC-8

SP3050-04HTG

±20kV

10A

2.4pF

4

6V

SOT23-6

Ethernet

PHY

Outside

World

Case GND

Tx-

Rx+

Rx-

J1

J8

SP03 (x2)

Tx+

*Package is shown as transparent

RJ-45

Connector

Case GND

SP3050

NC

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