1N957B TR PBFREE

Single Zener Diodes Overview

The 1N957B TR PBFREE is a silicon Zener diode manufactured by Central Semiconductor Corp. It features a nominal Zener voltage of 27 V with a 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 +200°C. It utilizes a DO-35 axial through-hole package. Key electrical characteristics include a reverse leakage current of 100 µA at 21 V, a forward voltage of 1.1 V at 200 mA, and a maximum impedance of 41 ohms.

Single Zener Diodes Feature Summary

• Designed as a high-quality voltage regulator for industrial and commercial applications
• Capable of precise voltage regulation with ±5% tolerance
• Constructed from silicon for reliable performance in demanding environments

Single Zener Diodes Applications

• Industrial voltage regulation circuits
• Commercial power supply stabilization
• Entertainment equipment protection

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging configuration. Confirm RoHS compliance status and environmental declarations prior to finalizing procurement orders. Cross-reference the manufacturer part number with distributor catalogs to validate availability and lead times. Ensure that the selected component matches the required voltage and power specifications for the intended design application.

Single Zener Diodes Selection Notes

Select this component when a stable 27 V reference is required in through-hole designs. Consider the 500 mW power rating and DO-35 package constraints for thermal management. Evaluate the ±5% tolerance against circuit precision requirements. Verify compatibility with operating temperatures up to 200°C if used in high-heat environments.

Single Zener Diodes Part Context

This component belongs to the 1N957B series of single Zener diodes produced by Central Semiconductor Corp. The series is characterized by its use in voltage regulation tasks across various sectors. The 'TR PBFREE' designation indicates tape-and-reel packaging without halogenated flame retardants, aligning with modern environmental standards for electronic components.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for equivalent Zener diodes with matching voltage and power ratings. Verify pinout compatibility and package dimensions before integrating alternative parts into existing layouts.