Interference Suppression AC Capacitor Class Y2

Interference Suppression AC Capacitor Class Y2 — Deki Electronics 33 Series

An Expert Overview of Features, Specifications & Applications

Electromagnetic interference (EMI) has become a major concern in modern electronic devices, especially those connected to AC mains. To ensure safe and stable operation, Y2 class interference suppression capacitors are widely used in line-to-ground filtering.

Among these, the Deki Electronics 33 Series Y2 AC Capacitors stand out for their reliability, safety, and compliance with international standards.

In this article, we explore the working, features, technical specifications, and applications of the Deki 33 Series Interference Suppression AC Capacitor Class Y2, along with a detailed comparison and performance insights.

What is a Y2 Class Capacitor?

Y2 capacitors are a type of safety-certified EMI suppression capacitor, designed to be connected between the AC line (L/N) and ground. Their primary role is to:

·      Suppress common-mode noise

·      Improve device electromagnetic compatibility (EMC)

·      Ensure safe operation even under surge or transient voltages

Y2 capacitors are required to pass stringent safety tests as they are subjected to continuous AC voltage and possible line spikes.

Deki Electronics 33 Series — Product Overview

The 33 Series Y2 Film Capacitors from Deki Electronics Ltd. are designed for high-performance EMI suppression.

They are fully qualified to IEC 60384–14, ensuring global acceptability and safety.

These capacitors are used across industries such as:

·      SMPS (Switch Mode Power Supplies)

·      Energy meters & smart meters

·      EV chargers

·      Solar inverters

·      General EMI/EMC filtering applications

Key Features

·      Y2 Class safety certification

·      300 VAC rated for line-to-ground applications

·      High insulation resistance

·      Excellent stability over temperature

·      -40°C to +110°C operating range

·      Low tangent delta for improved efficiency

·      Compliant with IEC 60384–14 standards

·      Available in wide capacitance range: 0.001 µF to 1 µF

Press enter or click to view image in full size

Understanding the Specifications (Expert Breakdown)

1. Rated Voltage — 300 VAC

Designed for continuous AC operation between line and ground, ensuring high safety margins in noisy electrical environments.

2. Voltage Proof — 4000 VDC

The capacitor must withstand this surge voltage for 2 seconds, demonstrating its robustness against transients and spikes.

3. Climatic Category — 40/110/56

This means:

·      40°C minimum temperature

·      110°C maximum temperature

·      56 days damp heat test duration

Ensures long-term stability in harsh climatic conditions.

4. Tan δ = 0.003 at 1 kHz

This low dissipation factor signifies high efficiency and minimal losses — important for continuous operation in EMI filters.

Press enter or click to view image in full size

Why Choose Deki’s 33 Series?

1. Reliability

Proven performance in high-stress conditions with excellent electrical endurance.

2. Safety Certified

Compliant with IEC safety standards, ensuring global acceptance.

3. Designed for Modern Electronics

Suitable for a wide range of AC mains-connected devices.

4. Indian Manufacturing Excellence

Made by Deki Electronics Ltd, one of India’s trusted capacitor manufacturers with global presence and certifications.

Conclusion

The Deki Electronics 33 Series Interference Suppression AC Capacitors (Class Y2) offer a robust, safety-compliant, and high-performance solution for EMI suppression in modern electrical and electronic applications.

Whether used in SMPS, EV chargers, meters, or inverter systems, the 33 Series ensures reliable operation while meeting stringent global safety standards.

If you’re looking for a dependable Y2 capacitor designed for long-term stability and safety, the 33 Series from Deki is a solid choice.