HT19 switch equivalent, electronic telephone line switch.
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*350V breakdown voltage
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*18Ω maximum switch resistance
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*Current limiting protection
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*Operates at 2.3V input
Applications
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*Tel.
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*Telephone handsets
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*Modems
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*Fax machines
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*Answering machines
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*Remote meter.
The Supertex HT19LG is an electronic line switch circuit that replaces the mechanical hook switch contact or a discrete hook switch in a telephone handset or modem. It switches the positive side of the telephone line using control inputs that are ref.
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