June 2007

Rev 3

1/11

11

SMP50 / SMTPA / TPA

Trisil™ for telecom equipment protection

Features

Main applications

Telecommunication equipment such as:

ISDN, ...)

office equipment

Description

These Trisil series have been designed to protect

telecommunication equipment against lightning

and transient induced by AC power lines.

They are available in SMA, SMB and DO-15

packages.

Benefits

Trisils are not subject to ageing and provide a fail

safe mode in short circuit for a better protection.

They are used to help equipment to meet various

standards such as UL1950, IEC950 / CSA C22.2,

UL1459 and FCC part 68.

Trisils have UL94 V0 approved resin.

SMA and SMB packages are JEDEC registered

(DO-214AC and DO-214AA).

Trisils are UL497B approved (file: E136224).

TM: TRISIL is a trademark of STMicroelectronics

Order codes

Schematic Diagram

Part Number

Marking

SMP50-xxx

See Ordering Information

on page 9

TPAxxx

SMTPAxxx

SMA

(JEDEC DO-214AC)

SMP50

SMB

(JEDEC DO-214AA)

SMTPA

DO-15

TPA

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