3/5/2026 7:56:52 AM   By  Andrew  in

Introduction to PME271M422MR30 Safety Capacitors by Kemet

The Safety Capacitors PME271M422MR30 by Kemet are high-reliability components designed for EMI suppression and AC line filtering in electronic systems. These components belong to the categories Passive Components, Capacitors, and Safety Capacitors, which are widely used in power electronics and electrical equipment to ensure safe and stable operation.

Safety capacitors play a critical role in protecting electronic circuits from electrical noise and voltage spikes. The PME271M422MR30 Safety Capacitors are engineered to meet strict safety standards, making them suitable for applications such as power supplies, home appliances, and industrial electronics.

Engineers sourcing high-quality Passive Components, Capacitors, and Safety Capacitors often rely on trusted distributors like x-on electronics to ensure genuine components and reliable global availability.



Technical Specifications of PME271M422MR30

Product Specifications

Manufacturer: Kemet

Part Number: PME271M422MR30

Component Type: Safety Capacitor

Capacitance: 4.7nF (Typical value depending on variant series)

Rated Voltage: Designed for AC line filtering applications

Category: Passive Components, Capacitors, Safety Capacitors

Dielectric Type: Metallized paper technology

Mounting Type: Through Hole

Operating Temperature Range: Industrial operating range

Safety Certification: Complies with international safety standards

These features make the PME271M422MR30 Safety Capacitors a reliable solution within the Passive Components and Capacitors product family.



Key Features of PME271M422MR30 Safety Capacitors

High Safety Compliance

Designed to meet strict international safety standards for AC line applications.

EMI Suppression Capability

Effectively reduces electromagnetic interference in power supply circuits.

Reliable Metallized Paper Construction

Provides stable electrical performance and durability over long operational periods.

Designed for Safety Applications

As part of the Safety Capacitors category, the device is specifically designed for line-to-line or line-to-ground protection.

Long-Term Stability

Engineered within the Passive Components and Capacitors category for dependable performance in demanding environments.



Applications of PME271M422MR30

Electrical and Electronic Systems

The PME271M422MR30 Safety Capacitors are widely used in circuits requiring safe EMI suppression and power line filtering.

Common applications include:

Switch Mode Power Supplies (SMPS)

Industrial Power Equipment

Consumer Electronics and Appliances

Lighting Ballasts and LED Drivers

Motor Control Circuits

AC Power Line Filtering Systems

Because these components belong to the Passive Components, Capacitors, and Safety Capacitors family, they are widely used to ensure electrical safety and signal stability in electronic devices.

Engineers frequently source high-quality components from xon electronics for reliable project implementation.



Circuit Integration Overview

Typical AC Line Filtering Configuration

AC Line Input ? Connected across Line and Neutral

Capacitor ? Filters EMI and suppresses voltage spikes

Ground Reference ? Ensures stable circuit operation

The PME271M422MR30 Safety Capacitors help protect electronic equipment from electrical noise and voltage transients in power line applications.



Use Case Scenario: EMI Filtering in Power Supply

Scenario

An electronics manufacturer required a reliable EMI suppression capacitor for a switch-mode power supply design.

Problem

Electrical noise from the AC line was affecting the performance of sensitive circuits.

Solution

The PME271M422MR30 Safety Capacitors by Kemet were integrated into the AC input stage to suppress EMI interference.

Result

Reduced electrical noise

Improved circuit stability

Enhanced compliance with safety standards

This demonstrates the importance of Safety Capacitors within modern Passive Components design.



Download Datasheet for PME271M422MR30

Looking for detailed electrical specifications, safety certifications, and circuit diagrams?

Download PME271M422MR30 Datasheet



Why Buy from Xon Electronics?

Trusted Global Electronic Component Distributor

Xon Electronics offers an extensive selection of Passive Components, Capacitors, and Safety Capacitors from leading manufacturers such as Kemet.

Benefits include:

100% Genuine Electronic Components

Worldwide Shipping

Competitive Pricing for Bulk Orders

Large Inventory of Passive Components

Technical Support for Engineers and Designers

Explore thousands of electronic components at www.xonelec.com.



Conclusion

The PME271M422MR30 Safety Capacitors by Kemet are high-quality EMI suppression components designed to ensure electrical safety and performance in power electronics. As part of the Passive Components, Capacitors, and Safety Capacitors category, they provide reliable protection against electrical noise and voltage spikes.

From power supply filtering to industrial electronics, the PME271M422MR30 offers dependable performance and long-term reliability in demanding environments.



FAQs – PME271M422MR30 Safety Capacitors

Q1. What type of capacitor is PME271M422MR30?

It is a safety capacitor designed for EMI suppression and AC line filtering applications.

Q2. What applications commonly use this capacitor?

It is commonly used in SMPS power supplies, appliances, industrial electronics, and AC power filtering circuits.

Q3. What category does this component belong to?

It belongs to Passive Components, Capacitors, and Safety Capacitors.

Q4. Why are safety capacitors important?

Safety capacitors protect electronic circuits from electrical noise, voltage spikes, and interference.

Q5. Where can I purchase PME271M422MR30 online?

You can purchase it from x-on electronics with worldwide shipping.




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