T494B157M004AS Capacitors |
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Allicdata Part #: | 399-3345-2-ND |
Manufacturer Part#: |
T494B157M004AS |
Price: | $ 0.00 |
Product Category: | Capacitors |
Manufacturer: | KEMET |
Short Description: | CAP TANT 150UF 4V 20% 1411 |
More Detail: | 150µF Molded Tantalum Capacitors 4V 1411 (3528 Met... |
DataSheet: | T494B157M004AS Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 0.00000 |
Specifications
Series: | T494 |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Obsolete |
Moisture Sensitivity Level (MSL): | -- |
Capacitance: | 150µF |
Tolerance: | ±20% |
Voltage - Rated: | 4V |
Type: | Molded |
ESR (Equivalent Series Resistance): | 1 Ohm |
Operating Temperature: | -55°C ~ 125°C |
Lifetime @ Temp.: | 2000 Hrs @ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 1411 (3528 Metric) |
Size / Dimension: | 0.138" L x 0.110" W (3.50mm x 2.80mm) |
Height - Seated (Max): | 0.083" (2.10mm) |
Lead Spacing: | -- |
Manufacturer Size Code: | B |
Features: | General Purpose |
Failure Rate: | -- |
Description
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T494B157M004AS tantalum capacitors are widely used in many electrical applications due to their unique properties. As a passive electronic component, tantalum capacitors store energy in a dielectric material between two electrically conductive plates. The way in which they store and release this energy is an important factor in selecting the right component for the job. This article will discuss the application field and working principle of the T494B157M004AS tantalum capacitor.The T494B157M004AS tantalum capacitor is an axial lead wet tantalum capacitor designed to store electrical energy. It has two components: the dielectric and the electrode. The dielectric is usually a tantalum pentoxide layer, while the electrode is made of a metal or alloy of two different metals. The two layers are separated by a dielectric material, often a glass or plastic layer, which keeps the electrical current from travelling between the two electrodes.The dielectric material used in the T494B157M004AS is designed to have a high dielectric constant, which is a measure of how much energy it can store for a given voltage difference between the electrodes. This means it can hold more electrical energy than a capacitor with a lower dielectric constant. At the same time, the dielectric material is designed to have a relatively high leakage rate, which is the amount of current that leaks out of the capacitor when the voltage difference between the electrodes is zero. This leakage rate helps to ensure that the capacitor does not retain a dangerous amount of energy within its structure.In terms of application fields, tantalum capacitors are ideal for use in many different areas of electronic designs. In audio applications, tantalum capacitors are commonly used in amplifiers and speakers. In motor control circuits, capacitors are used to regulate the speed of rotation of the motor. In medical applications, tantalum capacitors are used in pacemakers and hearing aids. In RFID applications, tantalum capacitors are used to store information from the RFID tag. Likewise, in telecommunication applications, tantrum capacitors are used in mobile phones, modems, and satellites. The working principle of a tantalum capacitor is based on the principle of capacitance, which is the ability of a capacitor to store electrical energy in the form of an electric field between two plates. When a voltage is applied between the two plates, electrons from one plate enter the other plate, creating an electric charge between them. This charge stores potential energy and can be released when the voltage is removed. The amount of energy stored depends on the size of the capacitor, its dielectric material, and its capacitance.To summarize, the T494B157M004AS is a wet tantalum capacitor. It has a high dielectric constant, a relatively high leakage rate, and is usually used in audio, motor control, medical, RFID, and telecommunication applications. It works based on the principle of capacitance, in which an electric charge between two plates is created, storing potential energy. When a voltage is applied, electrons cross from one plate to the other, and when the voltage is removed, the stored energy is released.
The specific data is subject to PDF, and the above content is for reference
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