157TTA025M

Polarization:	Polar
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	--
Size / Dimension:	0.315" Dia x 0.630" L (8.00mm x 16.00mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	358.8mA @ 50kHz
Ripple Current @ Low Frequency:	260mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	TTA
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	1.7684 Ohm @ 120Hz
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	150µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are widely used in modern electronic devices, particularly for power supplies and signal processing. The 157TTA025M aluminum electrolytic capacitor is an especially powerful and reliable type of capacitor, offering improved performance and higher stability. In this article, the application field and working principle of the 157TTA025M will be examined.

Working Principle

The 157TTA025M aluminum electrolytic capacitor is based on standard aluminum electrolytic capacitor principles. This type of capacitor uses two layers of aluminum foil with an electrolyte material sandwiched between them. When a voltage is applied to the terminals, a current flows in the electrolyte and ions are deposited into a thin dielectric layer of aluminum oxide film which forms the insulator. This dielectric layer allows greater capacitance than other types of capacitors, making them particularly useful for applications requiring long-term reliability.The 157TTA025M has some special features that make it particularly reliable. The aluminum foil electrodes are constructed with a double layer of anodized aluminum to reduce surface tension. This allows larger currents to flow and increases the device’s reliability. Additionally, the device is built with a thick oil-impregnated paper envelope and a rubber diaphragm which prevents short-circuiting between the electrodes and provides better insulation.

Applications

The 157TTA025M aluminum electrolytic capacitor is used in various devices which require high capacitance and reliable operation. Some of its common applications include:1. High power supplies: The 157TTA025M provides reliable and high-power storage for power supplies. It can handle currents up to 25A and is suitable for applications such as welding and subject to strong currents.2. Pulse modulators: The 157TTA025M provides reliable and high-power storage for pulse modulators, in particular radios and other media applications.3. Video circuits: The 157TTA025M is often used in video circuits, due to its high capacitance and reliable operation.4. Audio circuits: Similarly, it is popular for audio circuits, due to its high capacitance and reliable operation.

Conclusion

The 157TTA025M aluminum electrolytic capacitor is a powerful and reliable type of capacitor, offering improved performance and higher stability than other types of capacitors. It uses a double layer of anodized aluminum to reduce surface tension and a thick oil-impregnated paper envelope to prevent short-circuiting and provide better insulation. This type of capacitor is used in applications such as power supplies, pulse modulators, audio circuits, and video circuits.

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