T551B476K050AH Allicdata Electronics
Allicdata Part #:

T551B476K050AH-ND

Manufacturer Part#:

T551B476K050AH

Price: $ 17.34
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 47UF 50V AXIAL
More Detail: 47µF Hermetically Sealed Tantalum Polymer Capacito...
DataSheet: T551B476K050AH datasheetT551B476K050AH Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
44 +: $ 15.75970
Stock 1000Can Ship Immediately
$ 17.34
Specifications
Series: T551
Packaging: Tray 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 47µF
Tolerance: ±10%
Voltage - Rated: 50V
Type: Hermetically Sealed
ESR (Equivalent Series Resistance): 150 mOhm
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: 2000 Hrs @ 85°C
Mounting Type: Through Hole
Package / Case: Axial, Can
Size / Dimension: 0.312" Dia x 0.641" L (7.92mm x 16.28mm)
Height - Seated (Max): --
Lead Spacing: --
Manufacturer Size Code: B
Ratings: --
Features: General Purpose
Description

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T551B476K050AH is a subtype of tantalum-polymer capacitors, a kind of capacitors mainly used for general purpose applications. It is a surface mount capacitor, which is usually applied in board circuits for various high-relative-capacity applications, like medium to low voltage, high frequency and low ESR. Thanks to this capacitor, it is possible to achieve low ESR and high ripple current through the combination of Tantalum (Ta) cathode and polymer anode.

Capacitors can be divided into two main categories, which are electrolytic capacitors and film capacitors. While electrolytic capacitors have been in use since the late nineteenth century, film capacitors have developed more recently, beginning in the late twentieth century. The main difference between the two types of capacitors is that film capacitors do not use electrolyte as the core of their capacitive element, while electrolytic capacitors do. Tantalum-polymer capacitors are a special type of film capacitors, because the capacitance is created by a combination of both Tantalum and an insulator material – Polymer. This combination offers several advantages over other types of film capacitors.

T551B476K050AH capacitor usually has two terminals, anode and cathode. The anode is the positive pole of the capacitor, and the cathode is the negative pole. When voltage is applied to the capacitor, an electric current will flow. This current will cause charges to accumulate on the anode and cathode, creating a potential difference between the two poles. As the potential difference increases, the capacitor’s stores a certain amount of energy, known as the capactance. At a certain point, the capacitor will reach its maximum energy storage, then it will start to discharge.

T551B476K050AH capacitor can provide a stable power for portable electronics, offers smoother power for cellphone chargers, and stable working for central processors. The capacitor is usually applied for markets such as mobile phones, automotive electronics, power supplies, medical electronics, industrial process controls and more.

The working principle of T551B476K050AH capacitor can be further explained through Hand Rule. According to the conventional current concept, the positive current flows from the anode to the cathode. As the electric current passes through the layer of polymer materials, charges will accumulate on the anode and cathode, creating a potential difference. Thus, the higher the current, the greater the potential difference between the positive and negative electrodes. The capacitor stores energy when the electric current reaches a certain value.

The property of the T551B476K050AH capacitor is largely determined by the properties of the anode and cathode. Tantalum is a excellent material for the cathode, because it is resistant to oxidation, provides excellent capacitance and stability, dissipates less heat, and offers high conductivity for electric current. The dielectric of T551B476K050AH is made of Polymer, which has temperature-stability, flexibility and high operating voltage features. This combination yields high capacitance with low ESR, making it an ideal choice for general applications.

T551B476K050AH is a kind of surface mount capacitor, which is suitable for a variety of high-relative-capacity applications. Thanks to the combination of Tantalum cathode and polymer anode, this capacitor provides good low ESR and high ripple current capability. It also works well in temperature-stability and high operating voltage condition. Therefore, T551B476K050AH capacitors find themselves in many different fields, such as mobile phones, automotive electronics, power supplies and medical electronics.

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

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