1N5349B_R2_00001

Overview

The Panjit International Inc. 1N5349B_R2_00001 is a silicon Zener diode belonging to the 1N5338B series, designed for voltage regulation and protection applications. It features a nominal Zener voltage of 12V with a tolerance range of 11.4V to 12.6V. The device operates within a junction temperature range of -55°C to +150°C and provides a maximum DC power dissipation of 5 Watts at 75°C ambient temperature. Electrical characteristics include a maximum Zener impedance of 3 Ohms at 100mA test current and a maximum leakage current of 2µA at 9.1V reverse voltage. The component utilizes a JEDEC DO-201AE molded plastic case with axial leads.

Feature Summary

• Utilizes low inductance construction for stable performance
• Features typical leakage current below 1µA for voltages above 13V
• Plastic package meets Underwriters Laboratory Flammability Classification 94V-O
• Manufactured lead-free in compliance with EU RoHS 2.0 standards

Applications

• Voltage regulation circuits
• Transient voltage suppression
• Reference voltage sources

Procurement Notes

Verify the specific ordering suffix R2_00001 against official documentation to confirm tape and reel packaging specifications. Ensure compatibility with automated assembly processes by checking reel dimensions and orientation requirements. Confirm that the lot number tracking system aligns with your quality control procedures for traceability purposes.

Selection Notes

Select this component when a 12V Zener reference is required with a 5W power rating. Consider the DO-201AE package size for through-hole mounting constraints. Evaluate the thermal derating curve if operating conditions exceed standard ambient temperatures to ensure reliable power dissipation within safe limits.

Part Context

This part belongs to the 1N5338B series of silicon Zener diodes manufactured by Panjit International Inc. The series covers a wide voltage range from 5.1V to 51V, all sharing similar mechanical and electrical profiles. The 1N5349B variant specifically targets the 12V segment, offering precise voltage control suitable for general-purpose electronic designs requiring stable DC references.

Replacement Considerations

Cross-reference with other manufacturers' 1N5349B equivalents ensuring identical DO-201AE packaging and 5W power ratings. Verify matching Zener voltage tolerances and impedance values to maintain circuit stability without redesign.