First line: SL5001 SP 5001 IC SL5001P/2P TONE RINGERAbstract: .. SL5001P/2P. TONE RINGER. Description The oscillator frequencies can be adjusted over a wide range by selection of external. components. Features • Designed telephone bell replacement • Adjustable .. Tags: SP 5001 ICsl5002pSL5001dbl5001SL5001P 2P