BZX85C43_T50A

Single Zener Diodes Overview

The BZX85C43_T50A is a single Zener diode manufactured by onsemi, designed for voltage regulation and reference applications. It features a nominal Zener voltage of 43 V with a tolerance of ±5%. The device operates within a temperature range of -65°C to +200°C and dissipates up to 1 W at 25°C ambient temperature. Key electrical parameters include a maximum leakage current of 0.5 µA at 30 V and a Zener impedance of 50 Ω at the test current of 6 mA. It is housed in a DO-41 glass axial leaded package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using avalanche breakdown characteristics
• Features high thermal stability with an extended operating temperature range
• Utilizes a hermetically sealed glass axial leaded package for durability

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clipping and clamping circuits

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and marking specifications. Confirm RoHS compliance status through the product compliance database prior to integration. Check for any recent production change notices that may affect pinout or material composition. Ensure the component meets all environmental standards required for the target application.

Single Zener Diodes Selection Notes

Select this component when a precise 43 V reference is required with tight tolerance limits. Consider the low leakage current specification for high-impedance circuit designs. Evaluate the power dissipation capabilities relative to the expected thermal environment. Verify that the DO-41 package dimensions fit the available board space and mounting constraints.

Single Zener Diodes Part Context

This part belongs to the BZX85C series of Zener diodes from onsemi. The series covers a wide voltage range from 3.3 V to 56 V, offering standardized performance across various voltage ratings. All devices in this family share similar physical dimensions and electrical testing conditions, facilitating design consistency across different voltage requirements.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers: 1N4755A.