157XMPL2R5MG19 Allicdata Electronics
Allicdata Part #:

157XMPL2R5MG19-ND

Manufacturer Part#:

157XMPL2R5MG19

Price: $ 0.24
Product Category:

Capacitors

Manufacturer:
Short Description: CAP ALUM POLY 150UF 20% 2.5V SMD
More Detail: 150µF 2.5V Aluminum Polymer Capacitor 2917 (7343 M...
DataSheet: 157XMPL2R5MG19 datasheet157XMPL2R5MG19 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
14000 +: $ 0.21665
Stock 1000Can Ship Immediately
$ 0.24
Specifications
Series: XMPL
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Polymer
Capacitance: 150µF
Tolerance: ±20%
Voltage - Rated: 2.5V
ESR (Equivalent Series Resistance): 663.1 mOhm
Lifetime @ Temp.: 1000 Hrs @ 105°C
Operating Temperature: -40°C ~ 105°C
Ratings: --
Applications: Decoupling
Ripple Current @ High Frequency: 3A @ 100kHz
Lead Spacing: --
Size / Dimension: 0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max): 0.083" (2.10mm)
Surface Mount Land Size: --
Mounting Type: Surface Mount
Package / Case: 2917 (7343 Metric)
Description

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Aluminum-polymer capacitors, such as the 157XMPL2R5MG19, are unique components because of the blend of two materials in their construction. The first material is an anodized aluminum layer that functions as the dielectric. On top of the dielectric is a polymeric layer, termed the cathode, which functions as a physical barrier. Usually, these are electrolytic, meaning they require an anionic liquid between the dielectric and the anode.

These capacitors have a wide range of applications. First, they are highly efficient in power delivery, meaning they can supply a large amount of power in a small package. Additionally, they are great for low-loss systems, as they have low capacitance which makes them ideal for applications that require reduced inductance. Furthermore, these capacitors offer excellent temperature and frequency stability, making them suitable for audio and video applications where precise sound or images are of critical importance.

The 157XMPL2R5MG19 specifically is ideal for switch-mode power supplies, as it offers 8,000-9,000µF capacitance and is capable of handling 85°C temperatures, making it an excellent choice for regulating voltage in high-powered systems. It\'s also suitable for various consumer electronics applications, as it is very reliable, efficient, low cost, and has long life.

The working principle of aluminum-polymer capacitors is based on the electrostatic discharge between the dielectric and the cathode. When a voltage is applied across the capacitor, an electric field is developed, which causes electrons to move from the cathode to the dielectric and holes to move from the dielectric to the cathode, creating a charge separation. This process is referred to as capacitance. The amount of capacitance is dependent on the thickness of the dielectric layer, the size of the cathode, and the conductivity of the anionic liquid.

The unique properties of the 157XMPL2R5MG19 make it an ideal choice for a variety of applications, from switch-mode power supplies to consumer electronics. Its combination of excellent temperature and frequency stability, efficiency, and reliability, coupled with its cost-effectiveness, make it an incredibly viable component for a variety of projects.

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

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