PMBD353,235

RF Diode Overview

The PMBD353,235 is a Schottky barrier double diode manufactured by Nexperia USA Inc. It features a planar structure housed in a SOT23 small plastic surface-mounted device package. The component provides low forward voltage and low capacitance characteristics suitable for high-frequency applications. Key electrical parameters include a continuous reverse voltage of 4 V per diode and a continuous forward current rating of 30 mA. At 1 mA forward current, the forward voltage is typically 450 mV. The junction-to-ambient thermal resistance is 500 K/W.

RF Diode Feature Summary

• Planar Schottky barrier construction
• Small SMD package footprint
• Low forward voltage drop
• Low capacitance design

RF Diode Applications

• UHF mixer circuits
• Sampling circuits
• Modulators
• Phase detection systems

RF Diode Procurement Notes

Verify the specific ordering suffix to confirm the reel size and product orientation. Confirm that the component status matches the required production phase. Ensure the datasheet version corresponds to the latest revision before initiating designs. Check for any changes in marking codes or manufacturing locations associated with different suffixes.

RF Diode Selection Notes

Select this component when a dual Schottky configuration is required in a minimal footprint. The low forward voltage makes it suitable for low-power signal processing. Verify that the 4 V reverse voltage rating meets the circuit requirements. Consider the 30 mA current limit for load conditions.

RF Diode Part Context

This part belongs to the PMBD series of Schottky barrier double diodes from Nexperia. It shares similar functional characteristics with other devices in the family but is distinguished by its specific pinout and package dimensions. The SOT23 package allows for automated surface-mount assembly processes.

RF Diode Replacement Considerations

Check for direct replacements within the PMBD series that offer identical pin configurations. Verify that alternative components maintain the same SOT23 package outline to ensure mechanical compatibility. Confirm that electrical parameters such as forward voltage and reverse voltage meet or exceed the original specifications.