1N5253

Single Zener Diodes Overview

The SMC Diode Solutions 1N5253 is a single silicon planar power Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 25 V with a standard tolerance of ±5%. The device is rated for a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +175°C. Key electrical characteristics include a reverse leakage current of 100 nA at 18.1 V and a forward voltage drop of 1.5 V at 200 mA. The component utilizes an axial DO-35 (DO-204AH) glass passivated package, ensuring reliable performance in through-hole mounting configurations.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a wide operating current and temperature range
• Utilizes silicon planar technology for high reliability and stability
• Features glass passivation for environmental protection and durability

Single Zener Diodes Applications

• Voltage regulation circuits
• Reference voltage sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation when sourcing, as the 1N5253 part number is utilized by multiple semiconductor producers including Microchip, Central Semiconductor, and SMC Diode Solutions. Confirm that the supplier provides documentation from SMC Diode Solutions specifically. Ensure the package type matches the required DO-35 axial leaded form factor and check for RoHS compliance status if required by the manufacturing process.

Single Zener Diodes Selection Notes

Select this component when a 25 V reference is needed with moderate precision. The ±5% tolerance suits general regulation tasks where tighter tolerances are unnecessary. Consider the 500 mW power rating against expected thermal conditions. The DO-35 package dictates board layout constraints compared to surface mount alternatives. Verify the operating temperature range requirements align with the specified -65°C to +175°C limits.

Single Zener Diodes Part Context

The 1N5253 belongs to the JEDEC registered 1N52xx series of 500 mW Zener diodes. This series covers a broad voltage range from 2.4 V to 200 V. The 'B' suffix typically denotes the ±5% tolerance variant. These diodes are industry-standard components widely used in legacy and modern electronic designs requiring simple, robust voltage clamping or regulation.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5253 parts such as those from Microchip Technology or Central Semiconductor. Verify pinout compatibility and package dimensions (DO-35). Ensure electrical parameters like Zener impedance and leakage current meet circuit requirements before substitution.