Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

Power Supply Decoupling Capacitors Component – Computer, Electronic and Optical Product Manufacturing

Q: Why are decoupling capacitors critical in clock distribution buffers?

They prevent power supply noise from causing jitter or timing errors in clock signals, which is essential for synchronous digital systems.

Q: What happens if a decoupling capacitor fails?

Failure can lead to increased noise, voltage spikes, clock signal degradation, and potential system malfunctions or data corruption.

Component Specifications

Definition

Power supply decoupling capacitors are passive electronic components placed near integrated circuits to provide local energy storage, filter high-frequency noise, and maintain stable voltage levels in clock distribution buffers, ensuring signal integrity and preventing timing errors in digital systems.

Working Principle

They operate by storing electrical charge and releasing it rapidly to compensate for sudden current demands, while acting as low-impedance paths to ground for high-frequency noise, thereby decoupling the power supply from the load.

Materials

Typically multilayer ceramic capacitors (MLCCs) with dielectric materials like X7R or C0G/NP0, or tantalum capacitors with manganese dioxide or polymer electrolytes.

Technical Parameters

ESR <100 mΩ
Tolerance ±10% to ±20%
Capacitance 0.1 µF to 10 µF
Voltage Rating 6.3 V to 50 V
Temperature Range -55°C to +125°C

Standards

IEC 60384, EIA RS-198

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Power Supply Decoupling Capacitors.

Parent Products

This component is used in the following industrial products

Clock Distribution Buffer

A specialized electronic component within a Master Clock Generator that receives, conditions, and distributes the master clock signal to multiple destinations with minimal skew and jitter.

View Product Details

Input Amplifier

An electronic component that increases the amplitude of input signals within a circuit.

View Product Details

Engineering Analysis

Risks & Mitigation

Capacitor aging or degradation
Incorrect capacitance or placement
Overvoltage or overheating

FMEA Triads

Trigger: Dielectric breakdown due to overvoltage
Failure: Short circuit or open circuit
Mitigation: Use capacitors with appropriate voltage ratings and implement overvoltage protection circuits.

Trigger: Thermal stress from high operating temperatures
Failure: Reduced capacitance or increased ESR
Mitigation: Select capacitors with suitable temperature ratings and ensure proper thermal management.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Capacitance tolerance typically ±10% to ±20%, voltage derating recommended at 50-80% of rated voltage

Test Method

Testing per IEC 60384 for capacitance, ESR, leakage current, and voltage withstand; in-circuit verification of noise suppression.

Buyer Feedback

★★★★☆ 4.8 / 5.0 (15 reviews)

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Power Supply Decoupling Capacitors arrived with full certification."

"Great transparency on the Power Supply Decoupling Capacitors components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

"The Power Supply Decoupling Capacitors we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."