1N5533B TR TIN/LEAD

Overview

The Central Semiconductor Corp 1N5533B TR TIN/LEAD is a silicon unidirectional voltage regulator diode designed for through-hole mounting. It features a DO-7 (DO-204AH) axial leaded package and provides a nominal Zener voltage of 13 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. This component is part of the standard 1N55xx series, offering reliable voltage regulation capabilities in a robust glass-encapsulated form factor suitable for general-purpose electronic circuits.

Feature Summary

• Utilizes a hermetically sealed glass body construction for enhanced environmental protection and reliability
• Provides stable voltage regulation characteristics across a wide operating temperature range
• Designed for through-hole insertion into printed circuit boards using an axial leaded configuration

Applications

• General-purpose voltage reference circuits
• Overvoltage protection stages
• Biasing networks in analog signal processing

Procurement Notes

Verify that the specific ordering suffix corresponds to the tin/lead plating requirement, as many manufacturers have transitioned to lead-free alternatives. Confirm the tape and reel packaging format matches automated assembly needs. Ensure compliance with RoHS directives if lead-free variants are mandatory for the target application. Cross-reference the manufacturer's datasheet for exact electrical tolerances and thermal ratings before finalizing procurement specifications.

Selection Notes

Select this component when a 13 V regulation point is required with moderate power handling capabilities. The DO-7 package offers higher mechanical strength compared to smaller surface mount options. Consider the ±5% tolerance for applications requiring precise voltage levels or utilize tighter tolerance variants if necessary. Evaluate the thermal environment to ensure the 500 mW dissipation rating remains sufficient under worst-case operating conditions.

Part Context

This part belongs to the widely recognized 1N55xx series of low-power Zener diodes. These components are standardized JEDEC devices commonly used in legacy and modern designs alike. Central Semiconductor manufactures these diodes using silicon planar technology, ensuring consistent performance. The series covers a broad spectrum of voltage values, making it a versatile choice for various discrete semiconductor applications.

Replacement Considerations

Equivalent parts include the Microchip Technology 1N5533/TR and other generic 1N5533 variants from different manufacturers. Verify pinout compatibility and package dimensions when substituting. Ensure the replacement device meets or exceeds the original 500 mW power rating and 13 V Zener voltage specification.