T551B127K050AH4251 Allicdata Electronics
Allicdata Part #:

T551B127K050AH4251-ND

Manufacturer Part#:

T551B127K050AH4251

Price: $ 18.81
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 120UF 50V AXIAL
More Detail: 120µF Hermetically Sealed Tantalum Polymer Capacit...
DataSheet: T551B127K050AH4251 datasheetT551B127K050AH4251 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
38 +: $ 17.10070
Stock 1000Can Ship Immediately
$ 18.81
Specifications
Series: T551
Packaging: Tray 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 120µF
Tolerance: ±10%
Voltage - Rated: 50V
Type: Hermetically Sealed
ESR (Equivalent Series Resistance): 90 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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Introduction to Tantalum-Polymer Capacitors

A tantalum-polymer capacitor, also known as a “poly tantalum capacitor” or a “tantalum polymer capacitor”, is a type of capacitor constructed using tantalum electrodes and a polymer electrolyte. Polymer tantalum capacitors are capable of small sizes, high capacitance, and high-voltage ratings when compared to other capacitor types. Demand for tantalum-polymer capacitors has increased due to their combination of characteristics.

Applications

Tantalum-polymer capacitors have a wide range of applications making them an essential component in the electronics industry. Some common applications include:
  • Portable consumer electronics (smartphones, tablets, laptop PCs, etc.)
  • Automotive electronics (audio systems, airbag controllers, instrumentation, etc.)
  • Industrial machinery and equipment.
  • Aerospace applications.
  • Medical instrumentation.
  • Power supply and control.
In addition to these typical applications, polymer tantalum capacitors can be used when higher capacitance values and/or higher operating temperature ranges are desired.

Working Principle

Tantalum-polymer capacitors are based on an electrolytic process. This makes them different from traditional aluminum electrolytic and ceramic capacitor types. Basically, two tantalum electrodes are immersed in an electrolytic polymer and a voltage is applied. This voltage creates an electrical field between the two electrodes, which causes an electrical charge to be stored. The charge stored within a tantalum-polymer capacitor is based on the area of the electrodes, the distance between the electrodes, and the material and dielectric properties of the electrolyte. The higher the area of the electrodes, the higher the capacitance and voltage ratings. The distance between the electrodes also affects the capacitance, as the farther apart they are, the higher the capacitance. The dielectric strength of the electrolyte determines the capacitance and the working voltage. Higher dielectric strengths lead to higher capacitance and voltage ratings, while lower dielectric strengths lead to lower capacitance and voltage ratings.

T551B127K050AH4251

The T551B127K050AH4251 from Vishay is a high-temperature aluminum polymeric capacitor. It is a two-terminal, non-polarized, surface-mount capacitor. The maximum capacitance of the part is 50μF, with a voltage rating of 10V. The working temperature range is -55°C to +105°C. The T551B127K050AH4251 uses a PPS (polyphthalamide-modified polyarylene ether) as the base polymer. The PPS has a high dielectric strength, allowing for a high working voltage. The advantages of the part include low equivalent series resistance (ESR), good self-healing properties, and good high-temperature stability. The part is commonly used in automotive, industrial, and consumer electronics applications.

Conclusion

Tantalum-polymer capacitors are a type of capacitor constructed using tantalum electrodes and a polymer electrolyte. This offers several benefits over traditional capacitor types, such as a wide range of applications, small size, high capacitance, and high-voltage ratings. The T551B127K050AH4251 from Vishay is a high-temperature, aluminum polymeric capacitor commonly used in automotive, industrial, and consumer electronics applications.

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

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