PFR5101J250J11L4BULK

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.236" (6.00mm)
Size / Dimension:	0.283" L x 0.177" W (7.20mm x 4.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	PFR
Dielectric Material:	Polypropylene (PP)
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±5%
Capacitance:	100pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

A PFR5101J250J11L4BULK is a type of film capacitor. Film capacitors utilize a dielectric layer of film, usually polyester or polypropylene, to obtain capacitance. In general, film capacitors are divided into two types: AC film capacitors and DC film capacitors.

AC Film Capacitors

AC film capacitors are used mainly for applications where the capacitance must remain constant over a wide temperature range. These capacitors are often used in frequency-sensitive applications such as HVAC, electronic ballasts, renewable energy systems, and audio equipment. Their dielectric films are often polyester or polypropylene, which offer excellent long-term stability and a longer shelf life. The PFR5101J250J11L4BULK is an AC film capacitor with a low dissipation factor and a high self-healing property, making it especially suitable for high voltage AC circuits.

DC Film Capacitors

DC film capacitors are used mainly for applications where a high temperature stability and a low dissipation factor are required. These capacitors are often used in DC circuits, such as power supply rails and signal conditioning. Their dielectric films are often polystyrene, which offers excellent dielectric absorption and a longer shelf life. The PFR5101J250J11L4BULK is a DC film capacitor with a low dissipation factor and a high self-healing property, making it especially suitable for low and high voltage DC circuits.

Working Principle

The working principle of the PFR5101J250J11L4BULK is based on the same principles as any other film capacitor: it stores electrical energy by creating a relatively large capacitance by placing two conductive plates a small distance apart and then inserting a dielectric film between them. The film serves as an insulator, so that electricity can flow only if an external electrical voltage is applied across the two plates.When voltage is applied, the electric field between the plates causes an electric charge to build up on one of the plates, creating an electric dipole. This electric dipole then attracts an opposite dipole on the other plate, and the electric field remains until the voltage is removed. The stored electric charge is then released gradually into the external circuit, creating an electric current.

Conclusion

In conclusion, the PFR5101J250J11L4BULK is a type of film capacitor that is suitable for both AC and DC circuits. Its dielectric films are polyester or polypropylene for AC circuits, and polystyrene for DC circuits. Its working principle is based on the laws of electromagnetism and the electric field created by applying a voltage across the two plates.

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