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BT169D,112
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BT169D,112

Product Overview

Category

The BT169D,112 is a silicon-controlled rectifier (SCR) belonging to the semiconductor devices category.

Use

It is commonly used for controlling high power circuits with low power signals.

Characteristics

  • The BT169D,112 has a low gate trigger current.
  • It exhibits high noise immunity.
  • It is designed for general-purpose switching and phase control applications.

Package

The BT169D,112 is available in a TO-92 package.

Essence

This SCR is essential for controlling power in various electronic circuits.

Packaging/Quantity

It is typically packaged in reels or tubes and is available in quantities suitable for both individual and bulk purchases.

Specifications

  • Maximum RMS voltage: 400V
  • Average on-state current: 0.2A
  • Gate trigger current: 200µA
  • Holding current: 5mA
  • Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

The BT169D,112 has three pins: 1. Anode (A) 2. Cathode (K) 3. Gate (G)

Functional Features

  • Low gate trigger current allows for efficient control of power circuits.
  • High noise immunity ensures reliable performance in various environments.
  • Suitable for both AC and DC control applications.

Advantages

  • Low gate trigger current reduces input power requirements.
  • High noise immunity ensures stable operation in noisy environments.
  • Versatile application in both AC and DC circuits.

Disadvantages

  • Limited maximum RMS voltage compared to some alternative models.
  • Relatively low average on-state current may restrict use in high-power applications.

Working Principles

The BT169D,112 operates as an SCR, allowing current flow from anode to cathode when triggered by a small gate current. Once triggered, it remains conducting until the current falls below the holding current level.

Detailed Application Field Plans

The BT169D,112 finds applications in: - Dimmer switches - Motor speed control - Lighting control - Power regulators

Detailed and Complete Alternative Models

Some alternative models to the BT169D,112 include: - BT151-500R - BT152-800R - BT169G,112

In conclusion, the BT169D,112 is a versatile silicon-controlled rectifier with low gate trigger current and high noise immunity, making it suitable for various power control applications in both AC and DC circuits.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan BT169D,112 dalam solusi teknis

  1. What is the BT169D,112 used for?

    • The BT169D,112 is a sensitive gate silicon controlled rectifier (SCR) designed for use in general-purpose switching and phase control applications.

  2. What is the maximum voltage and current rating of the BT169D,112?

    • The maximum voltage rating is 600V, and the maximum continuous current rating is 0.8A.

  3. Can the BT169D,112 be used for AC or DC applications?

    • The BT169D,112 can be used for both AC and DC applications.

  4. What are some typical applications of the BT169D,112?

    • Typical applications include light dimmers, motor control, heating control, and general purpose switching.

  5. How do I trigger the BT169D,112 into conduction?

    • The BT169D,112 can be triggered into conduction by applying a positive voltage to its gate terminal with respect to the cathode.

  6. Is the BT169D,112 suitable for high-frequency applications?

    • The BT169D,112 is not recommended for high-frequency applications due to its relatively slow turn-off time.

  7. What precautions should be taken when using the BT169D,112 in a circuit?

    • Precautions should be taken to ensure that the maximum ratings for voltage, current, and power dissipation are not exceeded. Adequate heat sinking may also be necessary.

  8. Can the BT169D,112 be used in temperature-sensitive environments?

    • The BT169D,112 has a specified operating temperature range of -40°C to 125°C, making it suitable for a wide range of environments.

  9. Are there any alternative components that can be used in place of the BT169D,112?

    • Alternative components with similar characteristics include the BT169 series and other SCRs with comparable ratings.

  10. Where can I find detailed technical specifications and application notes for the BT169D,112?

    • Detailed technical specifications and application notes for the BT169D,112 can be found in the datasheet provided by the manufacturer or distributor.