1N5921C Diode

Product Overview

The 1N5921C diode belongs to the category of Zener diodes and is commonly used for voltage regulation and transient suppression in electronic circuits. This diode is characterized by its ability to maintain a constant voltage across its terminals, making it suitable for various applications. The 1N5921C diode is typically packaged in a small, cylindrical glass package and is available in both through-hole and surface mount configurations. It is an essential component in electronic devices where precise voltage regulation is required.

Basic Information

• Category: Zener Diode
• Use: Voltage regulation, transient suppression
• Characteristics: Constant voltage maintenance, small form factor
• Package: Cylindrical glass package
• Essence: Precise voltage regulation
• Packaging/Quantity: Available in through-hole and surface mount configurations

Specifications

• Voltage Range: 3.9V to 200V
• Power Dissipation: 1.5W
• Operating Temperature: -65°C to +175°C
• Zener Impedance: 10Ω to 1000Ω

Detailed Pin Configuration

The 1N5921C diode has two pins, with one serving as the anode and the other as the cathode. The pinout configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

The 1N5921C diode operates as a voltage regulator by allowing current to flow in the forward direction until the voltage reaches the specified Zener voltage, at which point it begins to conduct in the reverse direction to maintain a constant voltage across its terminals.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Small form factor
• Wide voltage range options

Disadvantages

• Limited power dissipation capability
• Sensitive to temperature variations

Working Principles

When the voltage across the 1N5921C diode reaches its Zener voltage, it enters the breakdown region and starts conducting in the reverse direction, effectively regulating the voltage across its terminals. This allows for a stable output voltage in electronic circuits.

Detailed Application Field Plans

The 1N5921C diode finds extensive use in various electronic applications, including: - Voltage regulators - Surge suppressors - Overvoltage protection circuits - Power supplies - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N5921C diode include: - 1N4733A - BZX55C - 1N5338B - 1N5388B

In conclusion, the 1N5921C diode is a crucial component in electronic circuits requiring precise voltage regulation and transient suppression. Its compact size and functional features make it suitable for a wide range of applications, despite some limitations in power dissipation and temperature sensitivity.

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