MA4E1338A1-287T

RF Diode Overview

The MA4E1338A1-287T is a silicon medium barrier Schottky diode from the MACOM MA4E1338 Series, housed in an SOT-23 (Case Style 287) surface-mount package. It features a maximum reverse voltage of 8 V and supports continuous forward currents up to 150 mA. The device operates within a temperature range of -55 °C to +125 °C with a total power dissipation rating of 250 mW. Electrical characteristics include a maximum forward voltage of 360 mV at 1 mA and a maximum total capacitance of 1 pF at 0 V bias.

RF Diode Feature Summary

• Medium barrier silicon construction optimized for RF and microwave applications
• Low profile plastic surface mount packaging suitable for automated assembly
• Lead-free composition compliant with RoHS directives

RF Diode Applications

• Mixer circuits operating from DC through 6 GHz
• Detector and limiter circuits
• Anti-parallel shunt power surge protection for 50 Ω and 75 Ω systems

RF Diode Procurement Notes

Verify component authenticity by cross-referencing the manufacturer's part number against official datasheets. Confirm that the ordering suffix matches the required SOT-23 package style. Ensure compliance with environmental standards such as RoHS before integration into final assemblies.

RF Diode Selection Notes

Select this component when an 8 V breakdown voltage and low capacitance are required for frequencies up to 6 GHz. The SOT-23 package provides a compact footprint for space-constrained designs. Evaluate thermal management requirements against the 250 mW power dissipation limit during operation.

RF Diode Part Context

This component belongs to the MA4E1338 Series of silicon medium barrier Schottky diodes. The series includes single diode and series pair configurations available in various packages including SOT-23, SOT-323, SOD-323, and SC-79. The 'A1' designation indicates the single diode configuration within the SOT-23 form factor.

RF Diode Replacement Considerations

Consider the MA4E1338B1-287T for series pair applications requiring matched delta forward voltage characteristics. Other series members like MA4E1338A1-1146T offer identical electrical performance in alternative package styles.