1N3157UR-1

Single Zener Diodes Overview

The Microchip Technology 1N3157UR-1 is a temperature-compensated Zener reference diode designed for high-stability voltage regulation. It features an 8 to 8.8 V nominal Zener voltage and operates at a test current of 10 mA with a dynamic impedance of 15 Ohms. The device utilizes metallurgically bonded, double-plug construction within a leadless surface-mount package. It supports an operating and storage temperature range from -65°C to +175°C and dissipates up to 500 mW of DC power at +50°C.

Single Zener Diodes Feature Summary

• Temperature compensated design ensures minimal voltage change across wide thermal ranges
• Metallurgically bonded, double-plug construction provides robust physical stability
• Leadless surface-mount package facilitates automated assembly processes

Single Zener Diodes Applications

• Precision voltage reference circuits in aerospace systems
• Temperature compensation networks in military-grade electronics
• High-reliability power supply regulation modules

Single Zener Diodes Procurement Notes

Verify the specific suffix UR-1 against official Microchip documentation to confirm the exact package style and qualification level. Confirm RoHS compliance status as indicated by manufacturer specifications. Validate that the ordering information matches the required military or commercial grade standards before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a stable 8.4 V nominal reference is required in a compact surface-mount form factor. Ensure the application demands operation within the specified -65°C to +175°C temperature range. Verify that the 10 mA test current aligns with the circuit's biasing requirements and that the 15 Ohm dynamic impedance meets the noise sensitivity constraints.

Single Zener Diodes Part Context

This part belongs to the 1N3154UR-1 through 1N3157UR-1 series of temperature-compensated Zener reference diodes. These devices are available in JAN, JANTX, JANTXV, and JANS qualifications per MIL-PRF-19500/158. The series offers various nominal voltages centered around 8.4 V, providing options for different precision requirements in ruggedized electronic environments.

Single Zener Diodes Replacement Considerations

Consult official substitution lists for compatible parts such as JAN1N3157UR-1 or JANTX1N3157UR-1 if different qualification levels are acceptable. Verify pinout compatibility and electrical parameter equivalence before implementing any cross-reference.