1N4448W_R1_00001

Overview

The Panjit 1N4448W_R1_00001 is a surface mount switching diode housed in an SOD-123 package. It features a peak reverse voltage of 100 V and a maximum average forward current of 150 mA at 25°C. The device dissipates up to 500 mW with a typical thermal resistance of 450°C/W. Electrical characteristics include a maximum forward voltage of 1.0 V at 100 mA, a reverse current of 2.5 μA at 75 V, and a junction capacitance of 4.0 pF. It supports a peak forward surge current of 4 A and operates within a temperature range of -55°C to +150°C.

Feature Summary

• Fast switching speed with a maximum reverse recovery time of 4.0 ns
• Electrically identical to standard JEDEC specifications
• High conductance for efficient signal handling
• Surface mount package designed for automatic insertion

Applications

• General purpose signal rectification
• High-speed switching circuits
• Clamping and protection applications

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging details such as reel size or tape width. Confirm RoHS compliance status and halogen-free green molding compound requirements match project specifications. Ensure the manufacturer part number matches the exact datasheet revision to avoid discrepancies in mechanical dimensions or electrical tolerances during procurement.

Selection Notes

Select this component when a small surface mount switching diode is required for high-speed applications. The SOD-123 package offers space efficiency compared to through-hole alternatives. Consider the 150 mA continuous current rating and 100 V blocking voltage limits for circuit design. Verify that the 4.0 ns reverse recovery time meets the frequency requirements of the intended switching application.

Part Context

This component belongs to the 1N4448 series of small signal switching diodes manufactured by Panjit International Inc. It utilizes the SOD-123 plastic case for surface mounting. The product line is designed to comply with EU RoHS directives and IEC61249 standards for halogen-free materials. It serves as a modern replacement for traditional axial leaded diodes in automated assembly processes.

Replacement Considerations

The datasheet notes electrical identity to standard JEDEC equivalents. Cross-reference with other manufacturers' 1N4448 variants to verify pinout compatibility and package dimensions. Ensure substitute parts meet the same 100 V peak reverse voltage and 4.0 ns reverse recovery time specifications.