ECH-U1H472JB5 Capacitors

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Termination:	Solder Pads
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Package / Case:	1206 (3216 Metric)
Mounting Type:	Surface Mount
Series:	ECH-U(B)
Dielectric Material:	Polyphenylene Sulfide (PPS), Metallized - Stacked
Voltage Rating - DC:	50V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	4700pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Film capacitors are widely used in many industries, from consumer electronics to aerospace applications.The ECH-U1H472JB5 is a special type of film capacitor developed specifically for use in high-reliability applications.It combines the ease of use, reliability, and performance of a standard film capacitor with the added benefits of a more rugged construction.In this article, we will discuss the application field and working principle of ECH-U1H472JB5.

Application Field

The ECH-U1H472JB5, also known as a polypropylene (PP) film capacitor, is designed for use in high-voltage electrical applications.It is typically used as a high-frequency filter, noise suppression device, and voltage bypass circuit, among other applications.It is also used in many power applications including switching power supplies, motors and machine controls, and high voltage DC to AC inverters. The ECH-U1H472JB5 is especially useful in high-reliability applications such as military and aerospace.In these applications, it is necessary to use a capacitor that can handle high temperatures and wide temperature swings with minimal variation in electrical performance.The ECH-U1H472JB5 meets these requirements, offering remarkable stability, temperature variance resistance, and reliability in harsh environments.

Working Principle

The ECH-U1H472JB5 uses film technology, which is a way of depositing thin layers of metal onto plastic substrates to form capacitor dielectric layers.This process is much more reliable than using the traditional paper-coating dielectric layer, as film capacitors have a much higher tolerance to temperature variations and are lower in ESR (Equivalent Series Resistance) than traditional paper-coated dielectric layers. The ECH-U1H472JB5 is constructed of two tightly wound aluminum foil and polypropylene film capacitors.These capacitors are then connected in series with a plastic substrate between them to form a single and reliable structure.The substrate serves as a dielectric and helps to bridge the gap between the two capacitors, allowing the electric current to travel through them with minimal resistance. The ECH-U1H472JB5 is designed to handle a wide range of operating environments and conditions, making it ideal for applications in industries such as military and aerospace.Its capacitance is highly stable over a wide range of temperatures and conditions, and its construction is designed to be highly resistant to shock, vibration, and humidity.

Conclusion

The ECH-U1H472JB5 is a reliable and rugged film capacitor that is specially designed for use in high-reliability applications.It combines the benefits of film technology with a rugged construction, making it ideal for military and aerospace applications.Its capacitance is highly stable under a range of temperatures and conditions, and its construction is very resistant to shock, vibration, and humidity.

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