ECQ-B1H184JF3

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.453" (11.50mm)
Size / Dimension:	0.433" L x 0.217" W (11.00mm x 5.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	ECQ-B(F)
Dielectric Material:	Polyester
Voltage Rating - DC:	50V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	0.18µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Film Capacitors

Film capacitors, typically made with thin dielectric materials such as polyester (PET) or polypropylene (PP), are used in a variety of different applications ranging from RF and power supply bypassing capacitors to communication line filtering and audio crossover networks. As a type of general-purpose capacitor, they are available in various forms to offer extended features for many different applications. For instance, the ECQ-B1H184JF3 film capacitor offers a low-ESR, high-Q, and low-inductance value which make it ideal for general-purpose usage.

Background and working principles

Film capacitors were first developed in the 1950s to replace other types of capacitors such as electrolytic and paper capacitors. The main benefit of this type of capacitor is that they are much smaller than their predecessors, enabling circuit designs to become smaller, cheaper, and more efficient. Most film capacitors consist of a pair of conductors (plates) that are separated by a thin dielectric film. Due to the film’s thin and light characteristics, they are also lightweight and can offer good broadband frequency characteristics, making them suitable for many applications.The electric field developed between the two conductors in a film capacitor is determined by the dielectric constant of the material, the dielectric film thickness and the area of the capacitor plate. An alternating electric field with frequency equal to the frequency of the applied voltage is established between the capacitor plates which is limited by the natural capacitance and dielectric absorption of the capacitor’s dielectric material. The amount of energy stored in the capacitor is proportional to the applied voltage and frequency. In general, higher frequencies are associated with a higher energy storage capability, while lower frequencies correspond with lower energy levels. Therefore, film capacitors are often favoured over other types of capacitor for applications where a higher frequency signal is required. Furthermore, their size is an advantage, allowing them to be used in applications where space is limited.

ECQ-B1H184JF3 application field and working principle

The ECQ-B1H184JF3 film capacitor is ideal for RF and power supply bypassing and filtering applications. The capacitor has low equivalent series inductance and a high Q-factor, allowing for good performance in high frequency applications. The low-ESR can also help with circuit efficiency, reducing power losses.The device is constructed using a metallized polyester film capacitor housed in an H type resin casing. The proprietary construction process of this capacitor has yielded excellent noise suppression and high self-resonant frequency performance characteristics. The device has an operating temperature range of -55°C to 85°C and a rated voltage of 250V AC.The ECQ-B1H184JF3 is rated for a wide range of different applications which include medical, automotive, and telecommunications. In medical applications, the device can be used for power supply bypassing and filtering. In automotive applications, it can be used for filters in powertrain and body control systems. Finally, in telecommunications, it is ideal for signal filtering and power supply bypassing.The ECQ-B1H184JF3 capacitor also offers a number of features such as superior dV/dt immunity, high ripple current ratings, low ESR and low parasitic series inductance. This makes the device suitable for any application which requires high-performance characteristics. Overall, the ECQ-B1H184JF3 capacitor is an ideal solution for RF and power supply bypassing and filtering applications. Its low equivalent series inductance and high Q-factor make it the ideal choice for applications that require high-performance characteristics.

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