1N4738A_R2_00001

Overview

The Panjit International Inc. 1N4738A_R2_00001 is a silicon Zener diode belonging to the 1N4728A series, designed for voltage regulation and reference applications. It features a nominal Zener voltage of 8.2 V with a tolerance range of 7.79 V to 8.61 V at a test current (IZT) of 31 mA. The device operates within a maximum power dissipation of 1 Watt and supports high-temperature soldering at 260°C for 10 seconds. It utilizes a DO-41 molded plastic axial package with UL 94V-O flame retardant epoxy, ensuring compliance with EU RoHS 2.0 standards.

Feature Summary

• Low inductance design suitable for standard circuit integration
• High temperature soldering capability up to 260°C for 10 seconds
• Molded plastic case with UL 94V-O rated flame retardant epoxy
• Lead-free construction compliant with EU RoHS 2.0 regulations

Applications

• Voltage regulation circuits
• Voltage reference sources
• Overvoltage protection stages

Procurement Notes

Verify the specific ordering suffix matches the required packing type, such as bulk boxes or paper reels, as packaging options vary within the series. Confirm that the component meets the necessary environmental compliance requirements for your target market. Ensure the procurement channel provides valid traceability documentation, including lot numbers, to support quality assurance processes during manufacturing assembly.

Selection Notes

Select this component when an 8.2 V Zener reference is required in a through-hole axial configuration. Evaluate the thermal resistance characteristics against the expected ambient operating conditions to ensure stable performance. Consider the dynamic impedance specifications relative to the load current variations in the target application to maintain desired regulation accuracy.

Part Context

This part belongs to the 1N4728A series manufactured by Panjit International Inc., covering nominal voltages from 3.3 V to 68 V. The series is engineered for general-purpose voltage regulation tasks using standard silicon planar technology. The manufacturer offers multiple packaging configurations to accommodate different production line requirements and inventory management strategies.

Replacement Considerations

Cross-reference with other manufacturers' 1N4738A equivalents to verify pinout compatibility and electrical parameter alignment. Ensure replacement parts meet the same DO-41 mechanical dimensions and thermal handling capabilities.