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HT18LG

Part Number	HT18LG
Manufacturer	Supertex Inc
Description	Electronic Telephone Line Switch
Published	Mar 26, 2005
Detailed Description	HT18 HT19 Electronic Telephone Line Switch Ordering Information Package Option Breakdown Voltage 350V 350V Switch Resis...
Datasheet	HT18LG PDF File

Overview

HT18 HT19 Electronic Telephone Line Switch Ordering Information Package Option Breakdown Voltage 350V 350V Switch Resistance 18Ω 18Ω Dial Pulse Pin DP/DP Active High Active Low SO-8 HT18LG HT19LG Features ❏ 350V breakdown voltage ❏ 18Ω maximum switch resistance ❏ Current limiting protection ❏ Operates at 2.
0V input General Description The Supertex HT18LG and HT19LG are electronic line switch circuits that replace the mechanical hook switch contact or a discrete hook switch in a telephone handset or modem.
They switch the positive side of the telephone line using control inputs that are referenced to the negative side of the line.
In the off state, they can withstand 350V on the positive i...

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