PCR406 / UPC PCR406 TO92 2.2V 0.8A SCR

The PCR406 (also labeled as UPC PCR406 TO92 2.2V 0.8A SCR) is a Silicon Controlled Rectifier (SCR) in a TO-92 package. Let’s break down the key features:

Key Specifications:

• SCR Type: A Silicon Controlled Rectifier (SCR) is a semiconductor device used primarily for switching and controlling power. It can handle high voltage and current, making it suitable for power control applications.
• Voltage Rating: It has a breakdown voltage (also known as the reverse blocking voltage) of around 2.2V, meaning that it can withstand a reverse voltage up to this value before breaking down and possibly conducting.
• Current Rating: The PCR406 can handle a maximum current of 0.8A (800mA), which is the maximum continuous current it can safely conduct.
• Package Type: It comes in the TO-92 package, which is a small, through-hole package commonly used for low-power transistors and other small components.

Applications:

• Power Control: SCRs like the PCR406 are used in power switching applications, such as controlling AC power, dimming, or regulating power to loads.
• Overvoltage Protection: SCRs are also used in circuit protection designs to clamp voltage levels and protect sensitive components.
• Switching Circuits: In certain types of digital and analog circuits, an SCR can act as a controlled switch, allowing or blocking current flow when triggered.

Characteristics:

• Triggering: SCRs require a small input pulse on the gate terminal to switch from the off (non-conducting) state to the on (conducting) state. Once turned on, the SCR remains on until the current through it drops below a certain level (called the holding current).
• TO-92 Package: The TO-92 is a small, 3-lead package that is commonly used for low-power transistors and similar components. It’s easy to handle and mount on circuit boards.

Typical Usage Example:

• A PCR406 SCR might be used in a low-power switching circuit, where it can control the flow of current through a load by being triggered by a control signal. For instance, it could be used in a power supply where the SCR allows current to flow to a load when triggered, and prevents it when turned off.

Important Note:

When using SCRs, make sure the voltage and current ratings of the device are respected, and consider the thermal dissipation as SCRs can generate heat when conducting large currents.

Would you like further details on how to use an SCR in a circuit or a particular application example?

Package Included:

• 1 x PCR406J TO-92 2.2V 0.8A SCR

Please note that the product image is for illustrative purposes only. The actual product may vary slightly in appearance.

Choose the PCR406J SCR for reliable performance in your power control applications!