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31002A

TELEPHONE TONE RINGER

Unisonic Technologies 

UNISONIC TECHNOLOGIES CO., LTD

31002A

LINEAR INTEGRATED CIRCUIT

TELEPHONE TONE RINGER

„ DESCRIPTION

The UTC 31002A is a bipolar integrated circuit designed for

telephone bell replacement. It can also be used as alarms or other

alerting devices.

„ FEATURES

*Designed for telephone bell replacement.

*Low current drain for multiple extension of lines.

*Adjustable 2-frequency tone.

*Adjustable warbling rate.

*Built-in hysteresis prevents false triggering and rotary dial

'CHIRPS'.

*Programmable for initiation current by simple external resistor

„ ORDERING INFORMATION

Ordering Number

Normal

Lead Free Plating

31002A-D08-T

31002AL-D08-T

31002A-S08-R

31002AL-S08-R

31002A-S08-T

31002AL-S08-T

Package

DIP-8

SOP-8

SOP-8

SOP-8

DIP-8

*Pb-free plating product number: 31002AL

Packing

Tube

Tape Reel

Tube

www.unisonic.com.tw

Copyright © 2008 Unisonic Technologies Co., Ltd

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