Smd High Voltage Capacitor 1210 474k 250v Full Series - China
price: 0.01 Dollar US$
Product Parameter
High voltage chip capacitor materials:COG NPO X7R X5R Y5V NPO (COG) chip capacitors are classified as Class I high-frequency capacitors.
Their capacitance is stable and does not change with changes in ambient temperature, voltage and time, and is suitable for high-frequency electronic circuits.
The chip capacitors made of X5R/X7R are classified as type II low-frequency capacitors.
Their capacitance is relatively stable, and they are relatively sensitive to changes in ambient temperature, voltage and time.
SMD capacitors made of Y5V material belong to Type II low-frequency capacitors, and their capacitance varies greatly by the environment, temperature, voltage and time.
High voltage chip capacitor series:0402, 0603, 0805, 1206, 1210, 1808, 1812, 2220, 2225; SMD capacitor capacity:0.2p-100uF 10V-5000V 0.2Pf--10Uf full range; Deviation:A=±0.05pF, B=±0.1pF, C=±0.25pF, D=±0.5pF, F=±1%, G=±2%, J=±5%, K=±10%, M=±20%, Z=-20%+80% Common Problem
As the capacitance value of MLCC continues to increase, the equipment used to measure capacitance in the past may not be able to provide accurate measurement of large capacitance components.
The meter cannot drive enough AC voltage to measure the full capacitance.
The following discussion contains answers to frequently asked questions and measurement tips for high-volume measurement of MLCC.
Q1 - When measuring some large capacitance MLCC, why the measured value is relatively small? A1 - When measuring capacitors, it is important to understand the difference between the true value, the effective value and the indicated value.
The true value is the value of the capacitor when it is an ideal component without parasitic inductance and resistance.
The effective value is the sum of the actual (real part) and vector (imaginary part) of the component, and is related to the frequency.
The indicated value is the value displayed by the measuring device and is subject to measurement accuracy.
When measuring large capacitance value capacitors, the voltage level (represented value) set on the meter is not necessarily equal to the voltage level (effective value) transmitted in the DUT (Device Under Test).
Q2 - What voltage and frequency should be appropriate for the capacitor? A2 - MLCC capacitors> 10μF are regarded as large capacitance capacitors.
Improvements in manufacturing technology have allowed ceramic capacitor manufacturers to produce high-capacity capacitors close to tantalum capacitors and aluminum electrolytic capacitors.
These "large capacitance" MLCC test specifications are tested under the same conditions as tantalum capacitors.
The measurement voltage should be 0.5 Vrms and the measurement frequency should be 120Hz.
The following table summarizes and describes the test conditions.
Capacitor AC voltage frequency C ≤ 1000pF 1.0 ± 0.2 Vrms 1MHz ± 10% 1000pF < C ≤ 10μF 1.0 ± 0.2 Vrms 1kHz ± 10% C > 10μF 0.5 ± 0.2 Vrms 120 Hz ± 10% 高压贴片电容物理 剖图 ▲ Physical anatomy Applicable industry
Suitable for LED lighting related products, power supply products, household appliances, computer side office products, large industrial equipment controllers, network equipment, communication products, digital products, automotive electronics, security monitoring systems and other fields.
Company Contact:
- Phone: +86 0769-82308835
- Address: No. 14, Chuangye 1st Road, Helu Village, Baoshan Community, Huangjiang Town, Dongguan City, Guangdon, Dongguan City, Guangdong Province, China
- Email:
- Website: https://www.electronic7.com/
Published date: December 5, 2020
- Business Description: Main products: chip capacitors, chip resistors, chip inductors, magnetic beads, chip electrolytic capacitors, chip tantalum capacitors, chip diodes, chip transistors, MOS tubes.
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