Small Size Coupling Film Capacitor Filter Radial Leads Of Tinned Wire

Place of Origin china
Brand Name ljb
Model Number zz
Minimum Order Quantity 20
Price Ten thousand dollars
Packaging Details 付款方式
Delivery Time 供货能力
Payment Terms 发货期限
Supply Ability 常规包装

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Product Details
Size Small Size Color Yellow
Package Type Through Hole Leads Radial Leads Of Tinned Wire
Rated Voltage 330Vac Load Life 5000 Hours
Lead Wire Tin-plating Of Copper Cover Steel CAPACITANCE 0.22uf
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Product Description


Small Size Coupling Film Capacitor Filter Radial Leads Of Tinned Wire


TOLERANCE ±5%;±10%
COLOR Yellow
ENCAPSULATION Outer coating Flame retarding epoxy resin
CHARACTERISTICS Wide capacitance range,small size and light weight
specification data DATA SHEET
PACKAGE TYPE Leads Tinned Wire



Super capacitor


The components of a supercapacitor can vary from product to product. This is determined by the geometry of the supercapacitor package. For the placement of prismatic or square packaged product parts, the internal structure is based on the placement of the internal parts, ie the internal collector electrodes are extruded from the stack of each electrode. These collector pads will be soldered to the terminals, extending the current path outside the capacitor





Decoupling, also known as decoupling. From a circuit perspective, a distinction can always be made between the source being driven and the load being driven. If the load capacitance is relatively large, the driving circuit needs to charge and discharge the capacitance to complete the signal transition. When the rising edge is relatively steep, the current is relatively large, so the driving current will absorb a large power supply current. The inductance, resistance (especially the inductance on the chip pins) will bounce, this current is actually a kind of noise relative to the normal situation, which will affect the normal operation of the front stage, which is called "coupling".





Theoretically (that is, assuming that the capacitor is a pure capacitor), the larger the capacitor, the smaller the impedance and the higher the passing frequency. But in fact, most of the capacitors exceeding 1μF are electrolytic capacitors, which have a large inductance component, so the impedance will increase when the frequency is high. Sometimes you will see an electrolytic capacitor with a large capacitance connected in parallel with a small capacitor. At this time, the large capacitor filters low frequencies, and the small capacitor filters high frequencies. The function of the capacitor is to pass the alternating current and block the direct current, and pass the high frequency and block the low frequency. The larger the capacitance, the easier it is for high frequencies to pass. Specifically used in filtering, the large capacitor (1000μF) filters the low frequency, and the small capacitor (20pF) filters the high frequency. Some netizens have vividly compared the filter capacitor to a "pond". Since the voltage across the capacitor will not change abruptly, it can be seen that the higher the signal frequency, the greater the attenuation. It can be vividly said that the capacitor is like a pond, and the water volume will not change due to the addition or evaporation of a few drops of water. It converts changes in voltage into changes in current, and the higher the frequency, the greater the peak current, which buffers the voltage. Filtering is the process of charging and discharging.