T491X157M020AT Allicdata Electronics
Allicdata Part #:

399-9750-2-ND

Manufacturer Part#:

T491X157M020AT

Price: $ 0.54
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT 150UF 20V 20% 2917
More Detail: 150µF Molded Tantalum Capacitors 20V 2917 (7343 Me...
DataSheet: T491X157M020AT datasheetT491X157M020AT Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
500 +: $ 0.48875
1000 +: $ 0.42766
2500 +: $ 0.42184
Stock 1000Can Ship Immediately
$ 0.54
Specifications
Series: T491
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 150µF
Tolerance: ±20%
Voltage - Rated: 20V
Type: Molded
ESR (Equivalent Series Resistance): 500 mOhm
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: 2000 Hrs @ 85°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): 0.169" (4.30mm)
Lead Spacing: --
Manufacturer Size Code: X
Features: General Purpose
Failure Rate: --
Description

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T491X157M020AT is one of the types of tantalum capacitors. This component is made up of tantalum, which is a dense, corrosion-resistant metal. It has a high surface area meaning it is able to store large amounts of charge compared to other materials of the same size. It is also a dielectric material, which makes it ideal for electrostatic applications. This particular capacitor model is a 2V capacitor and is capable of handling up to 0.05 Farads with a 10Ohm max. It is often used for high-frequency and high-speed operations due to its low ESR, which is the equivalent series resistance.

This type of capacitor has a wide range of applications in the electronics industry. In power electronics, tantalum capacitors are often used for decoupling and filtering of power supplies to reduce interference and improve signal clarity. They are also commonly used in the motor and inverter circuit for energy storage as well as for improving signal performance. In audio applications, T491X157M020AT capacitors are often used as power supplies for amplifiers, boost circuits, and digital signal processing. This particular model is especially popular in digital signal processing due to its high frequency and high power capabilities.

One of the main advantages of using T491X157M020AT tantalum capacitors is their ability to provide efficient energy storage in a small space. This type of capacitor has a low equivalent series resistance, meaning it can store more charge in the same space compared to other capacitors. This is especially useful in applications where space is a limitation, such as in circuit boards and automobile engines. Another significant benefit of this type of capacitor is that it is capable of handling high levels of voltage with only a small amount of heat generated.

The working principle of the T491X157M020AT is similar to that of other types of capacitors. It stores electrical energy in the form of an electric field between two plates. One plate is made of metallic tantalum and is insulated from the other by an oxide film. When a voltage is applied to the capacitor, the oxide film is polarized and produces a charge. This charge is then stored in the electric field between the two plates. When this voltage is removed, the electric field breaks down and the charge is discharged.

The T491X157M020AT is a popular capacitor that is used in many applications due to its efficiency, high power ratings, and reliable performance. Its ability to handle high voltages with only a small amount of heat generated makes it ideal for applications where space is a limitation. Its low ESR also makes it a good choice for high-frequency and high-speed circuit designs. This type of capacitor is often used in power electronics, motor and inverter circuits, audio amplifiers, and digital signal processing systems.

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

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