Electrospec 21 parts by Philips, MA, COM RF Transistor, Silicon Storage Technology, SGS-Thompson ST Microelectronics: 21O91S, 21O94, 21O94O1291, 21O94O139O, 21O94S... to 21PL61M7-A174

Manufacturers: Philips, MA, COM RF Transistor, Silicon Storage Technology, SGS-Thompson ST Microelectronics, Altera, JRC), New Japan Radio (NJR, Intel, Hitachi, Motorola, Toshiba, National Semiconductor, Sharp, LEDTR, Arizona Microchip Technology), ESS Technology, Pericom, Hewlett-Packard (HP, Apex, General Instrument (GI, Agilent)