1N4131

Single Zener Diodes Overview

The Microchip Technology 1N4131 is a single, two-terminal Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 75V with a tolerance of 5%. The device utilizes silicon as the primary semiconductor material and is housed in a DO-204AA (DO-15) glass axial leaded package. Key electrical characteristics include a maximum dynamic impedance of 700 ohms. The component is engineered to operate reliably within an extended temperature range, supporting a minimum operating temperature of -65°C and a maximum operating temperature of 200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 75V breakdown point
• Constructed with metallurgically bonded silicon elements for durability
• Features a sharp Zener knee characteristic for precise clamping
• Designed with isolated case connection for safety

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in power supplies
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N4131 designation is utilized by multiple vendors including NXP and Sensitron. Confirm RoHS compliance status, as some variants are explicitly marked non-compliant. Ensure the package type matches the required DO-204AA form factor and validate the thermal rating against the intended operational environment before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a robust, high-temperature capable Zener diode is required for general-purpose regulation. The 75V rating suits mid-range voltage references. Consider the 700-ohm dynamic impedance when designing for low-noise requirements, as higher impedance may affect regulation precision under varying current conditions compared to lower impedance alternatives.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode category within Microchip's discrete semiconductor portfolio. It serves as a fundamental passive component for circuit protection and biasing. The device is often cross-referenced with industry-standard equivalents, though specific electrical tolerances and manufacturing origins may vary between suppliers like NXP or Sensitron.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.