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PS817 - Optically coupled isolator device
MOC3040 - OPTICALLY COUPLED BILATERAL SWITCH LIGHT ACTIVATED ZERO VOLTAGE CROSSING TRIAC
UM66 - Music Calling Bell
1N4746A - HERMETICALLY SEALED GLASS ZENER VOLTAGE REGULATORS
TSA3100J - POTICALLY ISOLATED AC SWITCH
ER3400 - 4096 Bit Electrically Alterable ROM
1N4744A - HERMETICALLY SEALED GLASS ZENER VOLTAGE REGULATORS
TIL112 - Optically-Coupled Isolator
M-982-02S - Precise Call Progress Tone Detector
NM93C66N - Electrically Erasable Programmable Memories
UGN3020T - (UGN-3xxx) Magnetically Activated Switches
MTZJ39B - Hermetically Sealed Glass Zener Diodes
T110C395K100AS - TANTALUM HERMETICALLY SEALED / AXIAL
HT9032D - (HT9032C / HT9032D) Calling Line Identification Receiver
TIL117 - Optically-Coupled Isolator
1N4749A - HERMETICALLY SEALED GLASS ZENER VOLTAGE REGULATORS
M-980-02S - 3V/5V General Purpose Call Progress Tone Detector
M-991-02SMTR - Call Progress Tone Generator
1N6485 - VOIDLESS HERMETICALLY SEALED 1.5 WATT GLASS ZENER DIODES
TD6104P - ECL Prescaller
