2 Pcs Genuine Princeton PT2399 Echo Processor IC 16 Pin DIP UK Seller

PT2248-SMD Semiconductor - SOP16 - Princeton Technology

2 Pcs Princeton PT2399 Echo Processor SOIC-16 SMD UK Seller

IC PT2262 Remote Control Encoder IC PRINCETON Tech

PT2256-SMD CMOS Logic IC - SOP16 - Princeton Technology

PT2256 INTEGRATED CIRCUIT DIP-16 ''UK COMPANY SINCE 1983 NIKKO''

PT2272-M4 = PT2272M4 PRINCETON TECH CORP DIP-16 ''UK COMPANY SINCE1983 NIKKO''

2SD2256 Silicon NPN Triple Diffused TO-3PN D2256 'UK COMPANY SINCE 1983 NIKKO'