CWR11HH475KC Capacitors

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-55365/8, CWR11
ESR (Equivalent Series Resistance):	4 Ohm
Type:	Molded
Voltage - Rated:	15V
Tolerance:	±10%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors: CWR11HH475KC Application Field and Working Principle

Tantalum capacitors are the most commonly used type of electrolytic capacitors today. As the name implies, these capacitors are made from the metal tantalum and are an essential component to many electronic systems. Compared to other types of capacitors, tantalum capacitors offer a wide range of advantages, including a wide operating temperature range, quick charging and discharging capabilities, an improved power density, and excellent electrical and thermal characteristics.The CWR11HH475KC tantalum capacitor is a high-reliability device that offers a wide range of advantages. This device is designed for applications across a range of industries and markets, including the telecommunications, defense, medical, aerospace, and electronics markets.The CWR11HH475KC has the following features:•A high capacitance of 475 µF•A rated voltage of 25 V•A temperature-stable dielectric•EOS of \u226525 V/ns•A maximum operating temperature of 125°C•High temperatures up to 150°C possible•A relative humidity of up to 95% RH•Client-specific case sizesThe working principle of a tantalum capacitor is based on the principle of dielectric absorption. The capacitor is filled with an electrolyte -- typically a mixture of organic and inorganic acids -- which ionizes when exposed to voltage and creates a field of ions around the metal electrode. This field of ions creates a dielectric absorption effect, which is the basis for the capacitor\'s ability to store energy.When a voltage is applied across a tantalum capacitor, the electrons flow from the positive plate of the capacitor to the negative plate causing a current flow. The electric current creates an electric field that is directed towards the negative plate. This electric field causes the ions in the electrolyte to move towards the negative plate, thus creating a depletion layer of ions which acts as a dielectric and allows energy to be stored. The charge on the negative plate of the capacitor is proportional to the voltage applied to the capacitor.When the voltage is removed from the capacitor, the charge on the negative plate is returned to the electrolyte, allowing the capacitor to discharge back to its original state. This simple process is the foundation of most electrical and electronic systems today.The CWR11HH475KC tantalum capacitor offers reliability, longevity, excellent electrical and thermal characteristics, and a wide operating temperature range. The device is available in a variety of different case sizes, making it an ideal choice for a wide range of applications.

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