DB3 Diac: Product Overview and Specifications
Introduction
The DB3 diac is an electronic component that belongs to the category of semiconductor devices. It is widely used in electronic circuits for its unique characteristics and functionality.
Basic Information Overview
- Category: Semiconductor device
- Use: Triggering device in electronic circuits
- Characteristics: Bi-directional voltage triggering, low breakover voltage
- Package: Glass or plastic package
- Essence: Triggering of thyristors and triacs
- Packaging/Quantity: Typically available in bulk packaging, quantity varies by manufacturer
Specifications
The DB3 diac has the following specifications: - Breakover Voltage Range: 28V to 36V - Peak Repetitive Off-State Voltage: 32V - Peak Repetitive Forward Blocking Current: 2A - Maximum Holding Current: 5mA - Operating Temperature Range: -40°C to 110°C
Detailed Pin Configuration
The DB3 diac typically has two terminals with a standard pin configuration: 1. Anode (A) 2. Cathode (K)
Functional Features
- Bi-directional triggering capability
- Low breakover voltage for precise triggering
- Stable and repeatable performance over a wide temperature range
Advantages and Disadvantages
Advantages
- Precise and reliable triggering
- Wide operating temperature range
- Compact size and easy to integrate into circuits
Disadvantages
- Limited peak repetitive off-state voltage
- Sensitivity to voltage transients
Working Principles
The DB3 diac operates based on the principle of avalanche breakdown. When the applied voltage exceeds the breakover voltage, it triggers conduction in both directions, allowing it to control the firing angle of thyristors and triacs in electronic circuits.
Detailed Application Field Plans
The DB3 diac finds extensive use in various electronic applications, including: - Dimmer switches - Power control circuits - Timing circuits - Voltage regulators - Pulse generators
Detailed and Complete Alternative Models
Some alternative models to the DB3 diac include: - DB4 diac - ST2 diac - SIDACtor components
In conclusion, the DB3 diac is a crucial semiconductor device with unique characteristics that make it suitable for a wide range of electronic circuit applications.
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