TAP476M020BRW Allicdata Electronics
Allicdata Part #:

TAP476M020BRW-ND

Manufacturer Part#:

TAP476M020BRW

Price: $ 0.74
Product Category:

Capacitors

Manufacturer: AVX Corporation
Short Description: CAP TANT 47UF 20V 20% RADIAL
More Detail: 47µF Conformal Coated Tantalum Capacitors 20V Radi...
DataSheet: TAP476M020BRW datasheetTAP476M020BRW Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
500 +: $ 0.66528
Stock 1000Can Ship Immediately
$ 0.74
Specifications
Series: TAP
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 47µF
Tolerance: ±20%
Voltage - Rated: 20V
Type: Conformal Coated
ESR (Equivalent Series Resistance): 1.2 Ohm
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: 1000 Hrs @ 85°C
Mounting Type: Through Hole
Package / Case: Radial
Size / Dimension: 0.335" Dia (8.50mm)
Height - Seated (Max): 0.492" (12.50mm)
Lead Spacing: 0.197" (5.00mm)
Manufacturer Size Code: K
Features: General Purpose
Failure Rate: --
Description

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Tantalum capacitors are components that store electrical charges, aiding in smoothing or stabilizing an electrical current in AC or DC applications. The TAP476M020BRW is one such model in a range of commercial grade, surface mount tantalum capacitors. This article will discuss the applications and working principles of the TAP476M020BRW.

Applications
The TAP476M020BRW is a miniature, surface mount device commonly used in printed circuit boards and other circuit designs. It is ideal for projects that require high capacitance, low temperature coefficient (TC), and low leakage currents. This capacitor is frequently utilized in military, industrial, communications, automation, and medical applications.

The TAP476M020BRW is rated for a maximum operating temperature of +125°C, making it well suited for use in high-temperature applications. The device is available in a wide range of capacitance and voltage ratings, including 2.2 μF/6.3 V and 16 V. The device also includes a temperature-sensing element, which increases its ability to regulate current.

Working Principle
The TAP476M020BRW operates on a basic principle of electrostatics. The device consists of two distinct metal layers, often referred to as the anode and the cathode. The anode layer is made of tantalum, while the cathode layer is made of titanium, aluminum, or niobium. A solid, dielectric material, called dielectric oxide, is then deposited between the two layers. To store an electrical charge, the anode and cathode layers are separated by a narrow gap, which allows for the passage of electrons.

The dielectric oxide acts as an insulator, preventing electric current from passing through the device. However, when voltages of opposite signs are applied to the two metal surfaces, the electrons can travel through the gap in the dielectric oxide, allowing for an electrical current to flow. The capacitance of the device is determined by the area of the gap as well as the dielectric constant of the dielectric oxide.

The capacitance of the TAP476M020BRW is adjustable, depending on the desired application. This makes it suitable for a variety of applications, including high-speed switching power circuits and microcontrollers. Additionally, the device has a low ESR (equivalent series resistance), which is important for a device’s power efficiency. The low ESR also helps reduce heat loss and increase efficiency in the system.

Conclusion
Tantalum capacitors are used in a wide variety of applications, ranging from industrial to military. The TAP476M020BRW is a commercial grade, surface mount capacitor that is widely used for its high capacitance, low temperature coefficient, and low leakage currents. It also has an adjustable capacitance, making it ideal for use in high speed switching power circuits and microcontrollers.

The device operates on a basic principle of electrostatics, in which two metal layers are separated by a dielectric oxide and electrons can travel through the gap in the dielectric oxide. With its high capacitance, low ESR, and adjustable capacitance, the TAP476M020BRW is a reliable, efficient solution for many electrical applications.

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

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