TPSA155K025H3000

Series:	TPS
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	1.5µF
Tolerance:	±10%
Voltage - Rated:	25V
Type:	Molded
ESR (Equivalent Series Resistance):	3 Ohm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max):	0.071" (1.80mm)
Lead Spacing:	--
Manufacturer Size Code:	A
Features:	General Purpose
Failure Rate:	--

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Tantalum Capacitors

Tantalum capacitors are non-polarized electrolytic storage devices that offer high capacitance in a small, lightweight package. They are commonly used in a variety of microelectronics applications to facilitate signal processing, voltage regulation and other high-frequency signal transfer functions. TPSA155K025H3000 is one of the most common forms of tantalum capacitors, and its application field and working principle is discussed below.

Application Field

TPSA155K025H3000 capacitors are primarily used in areas that require high capacitance in a small package. These include power converter systems and high frequency signal transfer applications. In addition, the capacitors are often used in automotive electronics, portable medical devices, industrial control systems and telecommunications, to name a few.

Working Principle

TPSA155K025H3000 capacitors use a tantalum anode as the main charge-storing element. An electrolyte separates the anode from a porous carbon coating, impregnated with graphite to form a second electrode. When the capacitor is connected in a circuit, electrons move between the electrodes and form an electric field within the capacitor. The electric field stores potential energy in the form of electrostatic charge, and the capacitance is a measure of this stored energy. The capacitance of TPSA155K025H3000 capacitors is determined by the surface area of the anode, the thickness of the insulator which separates it from the second electrode and the type of electrolyte involved.

Advantages of TPSA155K025H3000 Capacitors

TPSA155K025H3000 capacitors are known for their low volume, low cost and highly efficient performance. They are used extensively in situations where space and cost are particularly important considerations. Other advantages include their high stability, the fact that the capacitors are more tolerant of shocks and vibrations and the ability to withstand rapid voltage changes whilst operating temperature remains low.

Disadvantages of TPSA155K025H3000 Capacitors

The major disadvantage of TPSA155K025H3000 capacitors is their limited lifespan. The electrolyte in the capacitor has a limited ability to store energy, over time it will gradually break down to metal and other by-products, reducing its efficiency and eventually leading to failure. This effect is accelerated by high temperatures and can be counteracted to some extent by minimising the operating temperature of the capacitor as much as possible.In conclusion, TPSA155K025H3000 capacitors are well-suited to applications where high capacitance in a small package is required. Their advantages such as low volume, low cost and excellent performance are offset by a limited lifespan. By taking measures to minimise the operating temperature and ensuring a suitable environmental system is in place, the effectiveness of TPSA155K025H3000 capacitors can be extended.

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