Pan Jit International
http://www.panjit.com.tw
rectifiers, Zener diodes

Panasonic
http://www.psdc.com
http://www.panasonic.co.jp/semicon/e-index.html (english)
http://www.mec.panasonic.co.jp
http://www.maco.panasonic.co.jp
microcontrollers

Panasonic NAIS (Panasonic Electric Works Corporation of America)
http://www.pewa.panasonic.com/
Relay, Photo MOS, Sensors, Switches, Connectors, Vision, PLS, GPS

Paradigm Technology
http://www.prdm.com
SRAM

Paralan
http://www.paralan.com
PC peripheral chips (SCSI)

Patriot Scientific
http://www.ptsc.com
RISC microprocessors

PCSI
http://www.pcsi.com
telecom chips

PCtel
http://www.pctel.com
MODEM chips

Peregrine Semiconductor
http://www.peregrine-semi.com
gate arrays (FPGA)

Performance Motion Devices
http://www.pmdcorp.com
motion control chips

Performance Semiconductor
http://www.performance-semi.com
SRAM, RISC microprocessors

Pericom Semiconductor
http://www.pericom.com
networking chips, standard logic, clock chips

Philips Semiconductor
http://www.semiconductors.philips.com
 http://www.semiconductors.com/index.html
http://www-eu.semiconductors.philips.com/index.html  -   Europe
http://www-us.semiconductors.philips.com/index.html   -  US East
 http://www-us2.semiconductors.philips.com/index.html -  US West
 http://www.philips.co.jp/semicon/ _................................Japanese
microcontrollers, wireless chips, telecom chips, audio chips, video chips, standard logic, diodes, transistors, amplifiers, gate arrays, CCD arrays etc...

Photobit
http://www.photobit.com
digital camera chips

Phylon
http://www.phylon.com
DSP chips, MODEM chips

PICO Electronics
http://www.picoelectronics.com
DC/DC converters

Pijnenburg
http://www.pijnenburg.nl
cryptography chips, tone detector chips

Pilkington Micro-electronics
http://www.pmel.com
gate arrays (FGPA)

Pixel Magic
http://www.pixelmagic.com
DSP chips, video processors

Pixelworks
http://www.pixelworksinc.com
image processing chips

Platform Technologies
http://www.platformtech.com (link deactivated?)
audio CODECs, audio processors

PLX Technology
http://www.plxtech.com
clock chips, PC system chips

PMC-Sierra
http://www.pmc-sierra.com
networking chips (ATM,SONET,asynchronous/PDH)

Polyfet RF Devices
http://www.polyfet.com
RF transistors

Poseidon Technology
http://www.poseidontech.com
(no product info)

Power-One
http://www.power-one.com
DC/DC converters (chip-like modules)

PowerSmart
http://www.powersmart.com
smart battery chips

Power Convertibles
see C&D Technologies

Power Innovations
http://www.powinv.com
transistors (BJT), thyristors

Power Integrations
http://www.powerint.com
AC/DC converters, half-bridge drivers

Powercube
http://www.powercube.com
DC/DC converters

Powerex
http://www.pwrx.com
products including: IGBT; MOSFET Modules; Intelligent Power Modules (IPM); DIP-IPM; Module Accessories (including gate drivers and DC-DC Converters); Discrete Thyristors/SCR (Silicon Controlled Rectifier); Discrete Rectifiers; Thyristor and Diode Modules; Fast Recovery and Three-Phase Diode Modules; Assemblies; IGBT Assemblies; and Custom Modules.

PowerTech
http://www.power-tech.com
transistors (high power)

Power Trends
http://www.powertrends.com/isr/
DC converter chips (modules?)

PrairieComm
http://www.prairiecomm.com
wireless chips (CDMA, TDMA, GSM)

Premier RF
http://www.premierrf.com
(no product info)

Promax-Johnton Corp.
http://www.p-johnton.com/                  Home
http://www.p-johnton.com/MuLu.htm   Datasheets
Small Signal Transistor, Power Transistor, SCR,TRIAC,MOSFET, Schottky
Diodes, Voltage Regulators, Shunt Reference Regurator, Transistor Array, Low
Dropout Voltage Regulators, Operating Amp., Comparator, PWM Controller,
Audio Power Amp., DC-DC Converter, AC-DC Converter, UNI-Switch, Hall
Sensor, Tone Ringer, Full & Semi-Custom MCM.

Pulse
http://www.pulseeng.com
networking chips, telecom chips, DC/DC converters, filter chips

Purdy Electronics
http://www.purdyelectronics.com
LEDs