1N4736A-T50A

Overview

The Fairchild Semiconductor 1N4736A-T50A is a silicon unidirectional Zener diode housed in an axial leaded DO-41 package. It provides a nominal Zener voltage of 6.8 V with a tolerance of ±5%. The device dissipates up to 1 W at ambient temperatures up to 50°C, requiring derating above this threshold. Electrical characteristics include a maximum dynamic impedance of 3.5 Ω and a leakage current of 1 µA at 4 V. It operates within a temperature range of -65°C to +200°C.

Feature Summary

• Provides stable voltage regulation using a single silicon junction structure
• Features low dynamic impedance for effective noise suppression
• Offers high thermal stability across a wide operating temperature range

Applications

• General voltage regulation circuits
• Voltage reference applications
• Over-voltage protection stages

Procurement Notes

Verify the specific ordering suffix '-T50A' against official documentation to confirm packaging details. Confirm RoHS compliance status as indicated in the datasheet. Ensure the manufacturer designation aligns with current onsemi product lines. Validate that the component meets all required environmental standards before integration into final assemblies.

Selection Notes

Select this component when a precise 6.8 V reference is required in through-hole designs. Consider the 1 W power dissipation limit and necessary thermal management. Evaluate the ±5% tolerance against circuit requirements. Compare the 3.5 Ω impedance against load variations to ensure adequate regulation performance under expected operating conditions.

Part Context

This part belongs to the 1N4728A through 1N4758A series of Zener diodes manufactured by Fairchild Semiconductor (now onsemi). These components share the standard DO-41 axial leaded form factor. The series covers a broad spectrum of voltage ratings from 3.3 V to 56 V while maintaining consistent physical dimensions and mounting styles.

Replacement Considerations

Equivalent parts include the 1N4736A base model and other manufacturers' 1N4736 variants. Verify pinout compatibility and electrical parameter alignment. Ensure replacement packages match the DO-41 mechanical outline.