PF

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PF

The two-character ISO 3166 country code for FRENCH POLYNESIA.

PF

1. ISO 3166-1 alpha-2 code for French Polynesia. This is the code used in international transactions to and from French Polynesian bank accounts.

2. ISO 3166-2 geocode for French Polynesia. This is used as an international standard for shipping to French Polynesia.

pf

Used in stock transaction tables in newspapers to indicate the stock is a preferred issue. Issues without any designation are common stock. A capital letter (that is, an A, B, or C) beside pf indicates the particular issue of preferred listed: GaPc pfC2.24.
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References in periodicals archive ?
Our discharge capacitor is about 150 picofarads, so the intrinsic capacitance of our ground plane system must be many times that amount.
System level ESD
However, due to its high value (several picofarads or almost nanofarad), this capacitance needs to be an external component, reducing the bandwidth of the regulator.
Regulador de voltaje -LDO- completamente integrado de baja caida de tension, alta velocidad y bajo consumo de area
The capacitances in picofarads (pF) are measured for each layer in both coupons and then plotted, demonstrating how the two boards will present different construction profiles.
Dielectric performance in lead-free assembly: new test methods offer powerful tools to help understand circuit board failures and the role of materials in PCB reliability
where C is capacitance in picofarads, A is area in square inches, [epsilon] dielectric constant of the insulator, D is a conversion factor (225) and t is the dielectric insulator thickness in mils.
An open architecture approach to buried passive components: a now expired patent for capacitive power/ground planes in a circuit board could mean that, for thin power ground capacitive layer applications, restrictions are off
The measured capacitance of the alumina sensor is on the order of 70 picofarads (pF) in the absence of polymer.
Dielectric Spectroscopy for Polymer Melt Composition Measurements

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