1N4732A-TAP

Overview

The Vishay 1N4732A-TAP is a silicon planar power Zener diode in the DO-41 axial package. It provides a nominal Zener voltage of 4.7 V with a ±5% tolerance at a test current of 53 mA. The device supports a maximum power dissipation of 1.3 W and operates within a junction temperature range of -65 °C to +175 °C. Electrical characteristics include a dynamic resistance of 8 Ω, a reverse leakage current of 10 µA at 1 V, and a forward voltage of 1.2 V at 200 mA.

Feature Summary

• Silicon planar construction for high stability
• Built-in strain relief for mechanical robustness
• Low inductance design

Applications

• Voltage stabilization circuits
• Signal clipping applications

Procurement Notes

Verify that the ordering suffix '-TAP' corresponds to the specific ammopack packaging configuration containing 5000 units per pack. Confirm compliance with RoHS directives and material categorization standards as defined by the manufacturer. Ensure the component meets AEC-Q101 automotive qualification requirements if intended for automotive-grade deployments.

Selection Notes

Select this component when a precise 4.7 V reference or regulation point is required in through-hole designs. The DO-41 package accommodates standard PCB mounting techniques. Evaluate thermal management needs against the 1.3 W power dissipation limit and the 110 K/W thermal resistance rating under specified lead temperature conditions.

Part Context

This part belongs to the 1N4728A to 1N4761A series of single Zener diodes manufactured by Vishay Semiconductors. The series covers a broad Zener voltage range from 3.3 V to 75 V, utilizing standardized DO-41 glass case packages. These components are designed for general-purpose voltage regulation and protection tasks across industrial and consumer electronics.

Replacement Considerations

Cross-reference with other manufacturers offering 1N4732A equivalents in the DO-41 package. Verify matching electrical parameters including Zener voltage tolerance, power rating, and dynamic impedance before substitution.

FAQ

What is the maximum surge current rating for the 1N4732A?

The maximum surge current (IZM) for the 1N4732A is 193 mA.

Does the 1N4732A-TAP meet automotive standards?

Yes, the component is qualified to the AEC-Q101 automotive grade standard.