October 2010

Doc ID 5015 Rev 5

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SMP75

Trisil™ for telecom equipment protection

Features

Benefits

fail safe mode in short circuit for a better

protection.

meet main standards such as UL1950,

IEC 950 / CSA C22.2 and UL1459.

(DO-214AA).

– GR-1089 Core

– ITU-T-K20/K21

– VDE0433

– VDE0878

– IEC 61000-4-5

– FCC part 68

Applications

Any sensitive equipment requiring protection

against lightning strikes and power crossing:

TM: Trisil is a trademark of STMicroelectronics.

Figure 1.

Device configuration

Description

The SMP75 is a very low voltage transient surge

arrestor especially designed to protect sensitive

telecommunication equipment against lightning

strikes and other transients. Its low voltage makes

it suitable to protect low voltage transformer in

T1/E1 and Ethernet links without saturation of the

transformer.

SMB

(JEDEC DO-214AA)

www.st.com