T540D337K003BH8705

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T540
ESR (Equivalent Series Resistance):	40 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	3V
Tolerance:	±10%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum - Polymer Capacitors: T540D337K003BH8705 Application Field and Working Principle

Tantalum-polymer capacitors are specific types of tantalum electrolytic capacitor with solid or liquid electrolyte and a layer of conductive polymer in place of the typical electrolyte. These capacitors offer a variety of characteristics such as high capacitance, high temperature tolerance, high current tolerance, and low equivalent series resistance (ESR).The T540D337K003BH8705 is a high-performance tantalum - polymer capacitor developed to provide excellent ESR performance, optimal current handling capabiliy, and high energy density. It is well-suited for a range of applications, particularly those in highly demanding situations such as ultra-high frequency (UHF) and very high frequency (VHF) digital switches and inverters.The T540D337K003BH8705 tantalum-polymer capacitor features a rated capacitance of 0.33F, a max ESR of 0.09Ω, and a rated voltage of 25V. It also exhibits excellent surge current handling, making it particularly suited for managing transient current in high-frequency power stages. The T540D337K003BH8705 is available in multiple form factors, including radial leaded and surface mount-type packages.Tantalum-polymer capacitors are electrochemical capacitors with superior high temperature operating characteristics, good volumetric efficiency, low ESR, and minimal ESR drift. This type of capacitor works by utilizing a semi-solid (solid, liquid, or solid modified) electrolyte, which is a minimally conductive solid that is able to transfer ions through its molecular structure. This electrolyte is sandwiched between a tantalum layer and a conductive polymer layer. When a voltage is applied across the device, ions move through the liquid electrolyte and create a charge on the tantalum and polymer layers. The polymer-layer assists in the formation of a highly uniform electric field near the surfaces of the electrodes, while the liquid electrolyte provides suitable current flow, enabling the capacitor to store electrical energy and release it when a voltage is applied across it. The polymer-layer also provides the capacitor with a large capacitance-temperature coefficient, making it well-suited for high-temperature applications.Tantalum - polymer capacitors represent an effective alternative to standard electrolytic capacitors for applications requiring higher capacitance and superior temperature performance at higher frequencies. Their small size and light weight also make them ideal for space-constrained or light-weight applications.The T540D337K003BH8705 tantalum-polymer capacitor is particularly well-suited for high-frequency (VHF, UHF) power applications, providing optimal surge current handling, excellent ESR performance, and high energy density. Its high temperature operating characteristics and minimal ESR drift enable stable performance even in extreme heat situations. The T540D337K003BH8705 is available in multiple form factors, making it well-suited for a wide range of applications.

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