1N5239B TR PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5239B TR PBFREE is a silicon Zener diode in the 1N5221B series, housed in a DO-35 axial through-hole package. It provides a nominal Zener voltage of 9.1 V with a ±5% tolerance range spanning 8.645 V to 9.555 V. The device dissipates up to 500 mW and operates within a junction temperature range of -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 10 Ω at a test current of 20 mA, a maximum reverse leakage current of 3.0 μA at 7.0 V, and a maximum forward voltage of 1.2 V at 200 mA.

Single Zener Diodes Feature Summary

• High reliability voltage regulation utilizing silicon technology
• Sharp reverse characteristic for precise clamping applications
• Low reverse current level ensuring minimal power loss in standby states

Single Zener Diodes Applications

• Industrial circuit protection and regulation
• Commercial equipment voltage stabilization
• Entertainment system power management
• Computer application logic level referencing

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix required for plating configuration when placing orders. The 'PBFREE' designation indicates lead-free plating compliance, while alternative finishes require explicit specification. Confirm that the 'TR' suffix aligns with the desired bulk or tape-and-reel packaging format for the manufacturing process. Ensure compatibility with existing assembly specifications regarding component marking codes and environmental regulations before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a standard 9.1 V reference is required in an axial leaded form factor. The 500 mW power rating supports moderate current handling in compact designs. Verify that the operating environment remains within the specified -65°C to +200°C thermal limits. Consider the 10 Ω impedance value for dynamic load regulation requirements. Ensure the DO-35 package dimensions fit the available board space and mounting constraints.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5278B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 2.4 V to 170 V, all sharing the same 500 mW power dissipation capability and DO-35 package style. The 'B' suffix specifically denotes the tighter ±5% voltage tolerance compared to other variants in the lineup.

Single Zener Diodes Replacement Considerations

No direct replacement part numbers are documented for this specific item in the provided manufacturer notices.