Product Overview: 1N821 Temperature Compensated Zener Reference Diode

The 1N821 from Microchip Technology is a precision temperature-compensated zener reference diode designed to offer a stable voltage reference over a wide range of operating temperatures. This diode is a popular choice for providing a reference voltage in various electronic circuits due to its high stability and reliability.

Key Features

• Voltage Reference: The 1N821 provides a nominal reference voltage of 6.2V, which is maintained with a high degree of accuracy over temperature variations.
• Temperature Compensation: Engineered with a built-in temperature compensation mechanism, this device ensures minimal voltage deviation across its specified temperature range, typically from -55°C to +125°C.
• Tight Tolerance: The voltage tolerance of the 1N821 is specified with tight limits, ensuring precise voltage regulation for sensitive electronic components.
• Low Dynamic Impedance: The dynamic impedance of the diode is low, which contributes to a stable reference voltage even under changing load conditions.
• Package Options: Available in a DO-35 glass package, the 1N821 is suitable for through-hole mounting, making it ideal for a wide variety of applications including legacy designs.

Applications

The 1N821 is versatile and can be used in numerous applications where a stable voltage reference is critical. Some common applications include:

• Power supplies
• Voltage regulators
• Analog-to-digital converters
• Electronic instrumentation
• Precision calibration systems

Quality and Reliability

Microchip Technology is known for its commitment to quality, and the 1N821 is manufactured to meet high standards of performance and reliability. Each diode is subjected to rigorous testing and quality control procedures to ensure it meets the stringent requirements of industrial and commercial applications.

Ordering Information

To order the 1N821 or to obtain more information about pricing and availability, interested parties should contact Microchip Technology's sales representatives or authorized distributors. Detailed datasheets and technical specifications are also available to assist with design integration and to ensure optimal usage of the product.