MA4P7433ST-1146T

RF Diode Overview

The MA4P7433ST-1146T is a silicon PIN diode from the MACOM SMPP series, housed in an SC-70 (Case Style 1146) surface-mount package. It features a Series Tee configuration with a nominal minority carrier lifetime of 0.2 µs and an I-region thickness of 0.4 mils. The device provides a maximum reverse voltage rating of 75 V, a total capacitance of 0.35 pF at 20 V, and a maximum forward resistance of 1.5 Ω at 10 mA. Designed for microwave control circuits, it supports operation up to 3 GHz with a junction temperature rating of +175°C.

RF Diode Feature Summary

• Low capacitance design optimized for high isolation in series and series-shunt switching applications through 3 GHz.
• Series Tee configuration integrates two diodes in a single compact surface-mount package.
• Lead-free plastic construction compliant with RoHS directives.

RF Diode Applications

• High-isolation shunt switches
• Low-loss series switches
• Microwave control circuits

RF Diode Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm the exact package style and termination finish. Ensure that the required Series Tee configuration matches the intended circuit topology before finalizing procurement orders.

RF Diode Selection Notes

Select this component when low capacitance is critical for maintaining high isolation in RF switching paths. The Series Tee arrangement allows for efficient layout in balanced or push-pull configurations within the small SC-70 footprint.

RF Diode Part Context

This part belongs to the MACOM SMPP series of Surface Mount Plastic PIN Diodes. The 'ST' designation indicates a Series Tee internal connection, while '1146' identifies the SC-70 case style. It shares electrical characteristics with the single-diode MA4P7433-1146T variant.

RF Diode Replacement Considerations

MA4P7433CK-1146T (Common Cathode)

RF Diode FAQ

What is the maximum operating frequency for this device?

The device is specified for use in switching applications through 3 GHz.

How does the Series Tee configuration differ from a standard single diode?

The Series Tee configuration integrates two PIN diodes internally connected in series within a single three-terminal package, whereas a standard single diode contains only one junction.