SMP75-8 Просмотр технического описания (PDF) - STMicroelectronics

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SMP75-8

TRISIL™ FOR TELECOM EQUIPMENT PROTECTION

STMicroelectronics 

®

SMP75-8

TRISIL™ FOR TELECOM EQUIPMENT PROTECTION

FEATURES

■ Bidirectional crowbar protection

■ Voltage: 8V

■ Low leakage current : IR = 2µA max

■ Holding current: IH = 150 mA min

■ Repetitive peak pulse current :

IPP = 75 A (10/1000µs)

MAIN APPLICATIONS

Any sensitive equipment requiring protection

against lightning strikes and power crossing:

■ Ethernet, T1/E1

DESCRIPTION

The SMP75-8 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, ethernet links without saturation of the trans-

former.

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 main

standards such as UL1950, IEC950 / CSA C22.2

and UL1459. They have UL94 V0 approved resin.

SMB package is JEDEC registered (DO-214AA).

Trisils comply with the following standards GR-

1089 Core, ITU-T-K20/K21, VDE0433, VDE0878,

IEC61000-4-5 and FCC part 68.

SMB

(JEDEC DO-214AA)

Table 1: Order Code

Part Number

SMP75-8

Marking

L08

Figure 1: Schematic Diagram

TM: TRISIL is a trademark of STMicroelectronics.

January 2006

REV. 4

1/8

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