MMBD4148TU-TP

Overview

The MMBD4148TU is a small signal diode manufactured by MCC in an SOT23-6L package. It features a repetitive peak reverse voltage of 75V and an average forward current of 80mA per element, with a total power dissipation of 350mW at 25°C. The device exhibits a fast switching speed with a reverse recovery time of 4ns and low leakage current of 1µA at 70V. Junction capacitance is 4pF at 0V bias. Operating junction and storage temperatures range from -55°C to +150°C.

Feature Summary

• Fast switching capability with 4ns reverse recovery time
• Low leakage current for improved efficiency
• Halogen-free green device compliant with environmental standards
• Moisture sensitivity level 1 for reliable surface mount processing

Applications

• High-speed switching circuits
• Signal demodulation applications
• Clamping and protection circuits

Procurement Notes

Verify the specific ordering suffix matches the required packaging quantity. Confirm that the component meets RoHS compliance requirements for your assembly process. Ensure the authorized distributor status is validated to prevent counterfeit risks. Check the latest datasheet revision for any updates to mechanical dimensions or electrical characteristics before finalizing procurement specifications.

Selection Notes

Select this component when a compact SOT23-6L footprint is required for dual-diode configurations. Consider the 350mW power dissipation limit and thermal resistance of 357°C/W for heat management. Evaluate the 75V reverse voltage rating against circuit peak voltages. Compare the 80mA current handling against load requirements to ensure adequate margin.

Part Context

This part belongs to the MMBD4148 series of small signal diodes designed for general-purpose switching. The SOT23-6L package provides a space-saving solution compared to traditional axial leads. It serves as a surface-mount alternative to through-hole variants while maintaining similar electrical performance profiles for standard logic and signal processing tasks.

Replacement Considerations

Verify pinout compatibility with existing board layouts. Ensure substitute parts support the same SOT23-6L package dimensions. Check if alternative manufacturers offer equivalent 75V ratings and 4ns recovery times.