All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

Blue Glass DIAC Diode DB3 DB4 DC34

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Bidirectional Triggering: The Blue Glass DIAC Diode DB3/DB4/DC34 serves as a bidirectional trigger for AC circuits, enabling precise control of current flow in both directions once a threshold voltage is reached.
  • Through-Hole Mounting: Designed for easy integration into electronic circuits using standard through-hole assembly techniques, ensuring stable and durable connections.

Key features

  • 1. Material Technology

  • With a blue glass and ceramic composite body, ensure superior heat resistance and durability in harsh industrial environments. The ceramic material provides enhanced stability compared to plastic-bodied diodes*, enabling reliable operation under extreme temperatures.

  • 2. Interactive Design

  • Through-hole mounting and robust metal leads simplify installation and ensure secure connections in circuit boards. The cylindrical design with uniform metal leads aligns with industry standards for precise thermal and electrical conductivity*, reducing assembly complexity.

  • 3. Performance Parameters

  • Precise bidirectional trigger voltage (e.g., DB3/DB4/DC34 models) delivers fast and consistent AC switching performance. This outperforms standard diodes in applications requiring rapid response to voltage changes*, such as motor control systems.

  • 4. Scenario Solutions

  • Designed for industrial and home appliance applications, these DIACs provide reliable bidirectional switching in AC circuits. Their rugged construction supports continuous operation in environments like HVAC systems or power controllers*, where traditional diodes may fail.

  • 5. Certification Standards

  • Complies with international safety and quality certifications (e.g., RoHS, UL), ensuring compliance with global electronics manufacturing standards. This guarantees safe integration into commercial and industrial equipment*.

Product details

Blue Glass DIAC Diode DB3 DB4 DC34

The Blue Glass DIAC Diode DB3 DB4 DC34 is a high-performance bidirectional diode designed for precise voltage-triggered switching in electronic circuits. Its through-hole mounting ensures robust mechanical stability, while the blue glass encapsulation provides thermal and environmental protection. Ideal for applications requiring reliable bidirectional current control, such as motor starters, phase control circuits, and solid-state relays.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialBlue glass with ceramic compositionThermal stability in high-temperature environments
Mounting TypeThrough-holeEasy PCB integration for industrial circuits
Breakover Voltage25–35 V (DC)Motor control systems requiring precise voltage thresholds
Power Dissipation1.5 W (max)High-current switching applications
Operating Temp-55°C to +150°CHarsh industrial or automotive environments

Customization guide

Adjustable breakover voltage and power dissipation parameters to meet specific application needs. For example, customize voltage ratings for precise temperature control in HVAC systems or enhance current capacity for high-power motor drives.

Get inspired

With its bidirectional switching capability and robust thermal performance, the Blue Glass DIAC is perfect for designing energy-efficient circuits. Whether you’re building a smart thermostat or a high-power relay, this diode ensures reliable operation under varying conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Breakover Voltage25–30 V28–35 V30–40 V
Power Dissipation1.0 W1.5 W2.0 W
Max Current50 mA80 mA120 mA

Supplier's note

  1. Technical Breakthroughs:

    • Through-hole mounting: Enables easy PCB assembly for industrial-grade durability.
    • Blue glass encapsulation: Enhances thermal and chemical resistance compared to standard diodes.
    • Customizable breakover voltage: Matches precise voltage thresholds for specialized control systems.
  2. Version Selection Guide:

    • Base Model: Ideal for standard electronics (e.g., small motor control) where cost efficiency is prioritized.
    • Advanced Model: Suitable for mid-range applications like HVAC systems needing 28–35 V switching.
    • Pro Model: Best for industrial or automotive systems requiring 30–40 V operation and 2.0 W power handling.

With the Pro Model’s 40 V breakover capability, you can safely handle high-voltage industrial circuits. Pair this with its 2.0 W dissipation to ensure stable performance in extreme environments. For medical devices needing precise voltage control, the Advanced Model’s 28–35 V range and 1.5 W capacity provide optimal reliability.

Frequently asked questions

  • Which DIAC diode model suits small electronics projects with through-hole mounting?

  • How do I clean the metal leads of a Blue Glass DIAC Diode to maintain conductivity?

  • What’s the advantage of Blue Glass over ceramic DIACs for high-temperature circuits?

  • Can the resistance value of the Blue Glass DIAC be customized for my project?

  • Is the Blue Glass DIAC Diode DB3 DB4 DC34 RoHS-compliant for industrial use?

  • What applications are best suited for the Blue Glass DIAC’s bidirectional triggering?

  • How do I install the Blue Glass DIAC with through-hole mounting on a PCB?

  • Why is the Blue Glass material better than plastic for DIAC durability?

Related searches

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.