R46KN368040H1M

Operating Temperature:	-40°C ~ 125°C
Features:	--
Ratings:	X2
Applications:	EMI, RFI Suppression
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.791" (20.10mm)
Size / Dimension:	1.043" L x 0.433" W (26.50mm x 11.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	R46
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	560V
Voltage Rating - AC:	275V
Tolerance:	±20%
Capacitance:	0.68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, are a class of electronic components that are widely used in many industries and applications. This article is focused on describing the R46KN368040H1M film capacitor, its application fields and working principles.

The R46KN368040H1M Film Capacitor

The R46KN368040H1M is a metalized polyester film capacitor manufactured by Taicon Electronics Co., Ltd. It is a surface mount type capacitor, with a wide range of rated capacitance values from 0.47µF to 47µF and voltage ratings ranging from 50V DC to 500V DC. The most common size is 6.3mm x 6.3mm (SMD 3528 type), characterized by excellent self-healing features and superior protection against moisture and humidity, providing reliable operation and long life. The capacitor has a minimum service temperature rating of -55℃.

Application Fields

The R46KN368040H1M is mainly designed for the electronic devices that require high reliability, such as accelerometers, differential pressure transducers, force sensors, mass flow controllers, hand-held medical devices, and optical communicative systems. It also finds use in power supplies, instrumentation and medical equipment, automotive and aerospace applications, as well as measuring, sensing, and amplifying instruments. Due to its low ESR (equivalent series resistance) values, the R46KN368040H1M capacitor is suitable for a wide range of DC-blocking and AC-filtering applications.

Working Principle

The main purpose of the R46KN368040H1M capacitor is to provide a consistent, low impedance path for high frequency AC signals. It stores an electrical charge in an electrostatic field, between two conductive plates (electrodes) that are separated by a dielectric layer. This dielectric layer is made of polyester plastic film, which is resistant to moisture and provides high insulating performance. The capacitor has two capacitance terminals, from which the charge will enter into one terminal and come out from the other terminal. The electrical energy is stored in the capacitor until it is discharged back through the terminals. The voltage rating of the capacitor determines how much voltage can safely be applied across the two terminals. The capacitance value determines the capacitors ability to store more charge for a given voltage. This is important for filtering out the noise in high-frequency AC signals, and controlling the time-dependence and magnitude of current spikes in a power supply circuit.

Conclusion

The R46KN368040H1M capacitor is an excellent choice for a wide range of high-reliability electronics applications. The metalized polyester film construction, combined with excellent self-healing and protection against moisture, give the capacitor great versatility in both DC-blocking and AC-filtering applications. The wide range of capacitance values and voltage ratings make the R46KN368040H1M perfect for many types of electronic designs.

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