Ultra-small X2 Safety Film Capacitor
SFC
SFC

Ultra-small X2 Safety Film Capacitor

Product material: Rolled metallized polypropylene film
Product features: Ultra-small X2 Safety Film Capacitor, has the advantages of small high-frequency loss, small internal temperature rise, high-quality zinc-aluminum film, long service life, etc.
Product function: Used in various wireless charging power equipment with high requirements
Customized processing: Can be customized according to customer needs

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Description

Technical Parameters

Features

Ultra-small X2 Safety Film Capacitor is a non-inductive structure, made of metallized polypropylene film as the dielectric/electrode winding, the wire is made of tinned copper-clad steel wire, sealed in the plastic shell with epoxy resin, the appearance is consistent, and the high-frequency loss Small, suitable for large current, high insulation resistance, good self-healing, long life, can withstand 2.5KV pulse voltage.

①Suppress interference and pass CQCUL ENEC safety certification.

②Can withstand overvoltage impact.

③It has superior self-healing properties.

④It has good flame-retardant and fire-proof functions.

⑤Electrode: metal evaporation layer (zinc-aluminum composite thickened type).

⑥Widely used in anti-interference occasions such as cross-line power supply with high requirements

Specifications

Climatic Conditions	-40～+110℃/56d/B
Rated Voltage	310VAC,350VAC,380VAC
Allowable Tolerance	J:±5% K:±10%
Capacitance Range	0.001μF～0.82μF
Voltage Proof	4.3UR 2100VDC 5S 2000VAC 5S
Dissipation Factor	≤0.0020 10KHZ CR≤1.0μF ≤0.0010 1KHZ CR>1.0μF	20℃;1V
Insulation Resistance	CR≤0.33μF IR≥30000MΩ CR>0.33μF IR≥1000S	Charging voltage100V20℃;
Climatic Category	Temperature：40±2℃ Humidity：93%RH Duration：56 Day
Endurance Test	+110℃,Continue 1000 h; Apply voltage：1.25xRated voltage

FAQ

Q: How to choose the capacitor size?

A: 1. Select according to circuit requirements
When selecting a capacitor, the type of capacitor must be selected according to the requirements of the circuit. For circuits that do not require DC, low-frequency ceramic capacitors can be used. If it is in a high-frequency circuit, it has relatively high requirements for battery performance. , then you can choose a mica capacitor. For high-voltage circuits, other types of high-voltage capacitors or high-voltage ceramic capacitors should also be used to ensure the normal passage of current.

2. The capacitance and deviation of the capacitor
If it is in a low-frequency coupling circuit, the requirement for the capacitance of the capacitor is relatively low, and the capacitance of the capacitor can be selected according to the calculated value. If it is in a timing circuit, the requirement for the capacitance will be relatively high. At this time, it is necessary to calculate according to the nominal value of the capacitance, and select a high-precision capacitor as much as possible.

3. Meet the requirements of the circuit
In general, when selecting a capacitor, the rated voltage of the capacitor should be about 1.3 times the actual working voltage. If it is used in an environment with a relatively high working temperature or in a circuit with poor stability , then the rated voltage should be derated, so that there will be a large residual voltage.

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