1N355 BK

Overview

The Central Semiconductor Corp 1N355 BK is a single Zener diode housed in the DO-201 axial leaded package. It features an 18 V nominal Zener voltage with a 5% tolerance and a maximum power dissipation of 5 W. The device operates within a junction temperature range of -65°C to +200°C, ensuring reliability under extreme thermal conditions. Key electrical characteristics include a maximum reverse leakage current of 500 nA and a Zener impedance of 2.5 Ohms at a test current of 65 mA. This component is designed for through-hole mounting and supports high-voltage regulation tasks.

Feature Summary

• High-power dissipation capability suitable for robust voltage regulation applications
• Extended operating temperature range up to +200°C for harsh environments
• Low leakage current performance for stable circuit operation
• Axial leaded construction for reliable through-hole integration

Applications

• Voltage reference circuits requiring stable 18 V output
• Overvoltage protection stages in industrial equipment
• Power supply regulation modules operating under high thermal stress

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm compliance requirements and terminal finish specifications. Ensure that procurement channels are authorized by Central Semiconductor Corp to guarantee product authenticity and warranty coverage. Cross-reference part numbers carefully to avoid substitutions that may differ in electrical parameters or physical dimensions.

Selection Notes

Select this component when an 18 V Zener voltage with 5 W power handling is required in a through-hole configuration. Consider the +200°C junction temperature rating for applications involving significant self-heating or elevated ambient temperatures. Verify that the 2.5 Ohm impedance meets the noise and stability requirements of the target circuit design.

Part Context

This device belongs to the standard Zener diode category from Central Semiconductor Corp, utilizing the DO-201 axial package. It serves as a discrete voltage regulation element within broader semiconductor portfolios. The part number indicates a specific voltage rating and packaging style distinct from surface-mount alternatives.

Replacement Considerations

Consult the Central Semiconductor cross-reference database for verified equivalents if sourcing constraints exist. Ensure any substitute maintains identical voltage, power, and package specifications to prevent circuit redesign.