4TPF470M5EL Allicdata Electronics
Allicdata Part #:

4TPF470M5EL-ND

Manufacturer Part#:

4TPF470M5EL

Price: $ 0.00
Product Category:

Capacitors

Manufacturer: Panasonic Electronic Components
Short Description: CAP TANT POLY 470UF 4V 2917
More Detail: 470µF Molded Tantalum Polymer Capacitor 4V 2917 (7...
DataSheet: 4TPF470M5EL datasheet4TPF470M5EL Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: POSCAP™ TPF
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Obsolete
Capacitance: 470µF
Tolerance: ±20%
Voltage - Rated: 4V
Type: Molded
ESR (Equivalent Series Resistance): 5 mOhm @ 500kHz
Operating Temperature: -55°C ~ 105°C
Lifetime @ Temp.: 2000 Hrs @ 105°C
Mounting Type: Surface Mount
Package / Case: 2917 (7343 Metric)
Size / Dimension: 0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max): 0.118" (3.00mm)
Lead Spacing: --
Manufacturer Size Code: D3L
Ratings: --
Features: General Purpose
Description

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Tantalum-Polymer Capacitors: Their Application Field and Working Principle

A tantalum-polymer capacitor, also known as a polymer tantalum capacitor, is an electrical component used in many electronics devices, such as digital and analog audio/video equipment, industrial control, medical instrumentation and digital cameras. Tantalum-polymer capacitors provide several performance advantages over traditional aluminum electrolytic and ceramic capacitors.Tantalum is a rare, grey-white metal from the refractory metals family and is the third most refractory metal available, behind only carbon and rhenium. This metal makes a great conductor of electricity due to its purity and low resistivity, which is why it has been used for decades in electronics.To make a tantalum-polymer capacitor, a tantalum ‘anode’ is covered by an electrolyte-saturated dielectric polymer film, with an underlying porous tantalum oxide layer and a porous oxide ‘cathode’. This type of construction is known as a ‘conductive polymer’ design. The polymer-dielectric is inserted between the anode and cathode to create Faraday’s Law, which is effectively a basic law of electrostatics saying that a unit of charge on a conductor produces a force in the opposite direction proportional to the distance.The tantalum-polymer capacitor offers several advantages over traditional capacitors. Firstly, they have high capacitance values with low ESR (Equivalent Series Resistance). This means they can store more charge (in Farad units) and dissipate less heat due to their lower resistance. Tantalum-polymer capacitors can also operate at higher working temperatures than traditional capacitors and provide better frequency characteristics. Furthermore, their physical construction is slimmer than traditional capacitors, allowing for flexible design options in tight spaces.Tantalum-polymer capacitors are primarily used in the following fields:1. Industrial control: This includes various process control systems and motor control systems in automation. Polymer capacitors are used in these systems as they can store and release power with greater efficiency.2. Digital and analog audio/video equipment: As the current demand for higher-definition digital audio and video equipment increases, so does the need for low resistance components that won\'t overheat and degrade audio/video quality.3. Medical instrumentation: In medical settings, the use of tantalum-polymer capacitors is becoming increasingly popular due to their low ESR and ability to operate in low temperature environments.4. Digital cameras: In a digital camera, the image sensor requires a consistent supply of power which is provided by polymer capacitors.Tantalum-polymer capacitors also have several applications in other fields such as GPS navigation systems, RF communication systems and military electronics.In conclusion, tantalum-polymer capacitors remain a popular choice for electronics that require reliable power storage and efficient power dissipation. By offering higher capacitance values and the ability to operate in high temperature environments, they are ideal for a wide variety of industrial, digital and audio/video applications.

The specific data is subject to PDF, and the above content is for reference

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