TAP156K035HSB

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	H
Lead Spacing:	0.250" (6.35mm)
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.276" Dia (7.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Lifetime @ Temp.:	1000 Hrs @ 85°C
Series:	TAP
ESR (Equivalent Series Resistance):	1.6 Ohm
Type:	Conformal Coated
Voltage - Rated:	35V
Tolerance:	±10%
Capacitance:	15µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Tantalum Capacitors

Tantalum capacitors are the most widely used types of capacitors for a variety of applications and are becoming increasingly popular due to their superior size to capacitance ratio, high temperature stability and low ESR (Equivalent Series Resistance) characteristics. A capacitor is an electrical device that is able to store charge, also known as energy. It is made up of two conducting plates that store electrical charges. The capacitor acts as a conductor or an insulator, depending on the material used and how the capacitor is charged or discharged.Tantalum capacitors, otherwise known as tantalum electrolytic capacitors, are widely used in many electronics and electrical applications due to their superior performance. They are available in two types – solid tantalum capacitors and wet tantalum capacitors. The solid tantalum capacitors are constructed using a tantalum anode, a dielectric, and an end cap and a tantalum cathode. Wet tantalum capacitors are made from a porous tantalum anode, a liquid electrolyte and a tantalum cathode. The main difference between the two types of tantalum capacitors lies in their construction, with the wet tantalum capacitors having a higher capacitance due to the presence of the liquid electrolyte. Both types are available in different case sizes and voltage ratings. TAP156K035HSB Application Field and Working Principle

The TAP156K035HSB is a wet tantalum capacitor. It has an anode of pure aluminum oxide (Tantalum oxide), a cathode of tantalum and a liquid electrolyte composed of Potassium Hydroxide and Nickel Chloride. This capacitor is designed for use in high frequency, high voltage applications such as switch mode power supplies. It has miniature size, low ESR and low current leakage characteristics, making it suitable to be used across high current circuits. The operation of this capacitor is based on the idea of dielectric polarization. As a voltage is applied across the plates of the capacitor, electrons in the metal plates get polarized and create a screening effect which prevents the current flow between them. This creates an electric field which can store energy and thus acts as a capacitor. When bipolar capacitors are used, like in the case of the TAP156K035HSB, the anode and cathode become positive and negative terminals respectively. When a high voltage is applied to the anode, a current will flow between the anode and the cathode forming a pool of electrons or ions in the electrolyte. When this current reaches a certain threshold, the capacitor will become fully charged and no further current will be able to flow. The TAP156K035HSB also has a capacitor-specific feature of improving the SAFE (Stable Ambient Free Energy) of the circuit. This feature is provided through the use of its low ESR and low current leakage characteristics. As the ESR is low, the operating temperature of the circuit is reduced and with improved thermal management of the device, power losses are minimized. The current leakage is also reduced as the electrolyte selects the most optimal path for the flow of current, preventing short-circuiting and thermal runaway. Conclusion

The TAP156K035HSB is a wet tantalum capacitor specifically designed for high frequency and high voltage applications. It has a miniature size, low ESR, low current leakage characteristics and improved SAFE due to its optimized thermal performance. It is a popular choice for many applications due to its reliable operation and its superior quality.

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