MA4P7455ST-287T

RF Diode Overview

The MA4P7455ST-287T is a silicon PIN diode from the MACOM SMPP series, configured as a Series Tee (ST) in an SOT-23 package. It features a 100V reverse voltage rating and 0.35pF total capacitance at 50V. The device exhibits a maximum series resistance of 3.0 Ohms at 10mA forward current and a nominal minority carrier lifetime of 1.0µs with a 2.0 mil I-region thickness. Operating temperature ranges from -65°C to +125°C, with a junction temperature limit of +175°C.

RF Diode Feature Summary

• Series Tee configuration for low-inductance microwave control circuits
• General-purpose design suitable for attenuator and switching applications
• Lead-free surface mount plastic packaging compliant with RoHS standards

RF Diode Applications

• Current controlled attenuator circuits
• Microwave switching networks
• RF signal path control systems

RF Diode Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the exact package style and tape-and-reel specifications. Ensure that the requested quantity aligns with standard reel sizes or cut-tape availability requirements defined by the supplier.

RF Diode Selection Notes

Select this component when a Series Tee topology is required for improved RF performance compared to single diodes. The 1.0µs carrier lifetime offers a balance between switching speed and attenuation linearity, making it appropriate for general-purpose RF control tasks where moderate isolation is sufficient.

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 '-287T' specifies the SOT-23 case style and tape-and-reel packaging format within the broader portfolio of single, common cathode, and common anode configurations.

RF Diode Replacement Considerations

MA4P7455CA-287T: Common Anode variant in the same package.

RF Diode FAQ

What is the physical package type for the MA4P7455ST-287T?

It utilizes the SOT-23 package, identified by case style 287.

How does the Series Tee configuration benefit circuit design?

The Series Tee configuration provides lower parasitic inductance compared to discrete series connections, enhancing performance in high-frequency switching and attenuator applications.

What is the maximum operating junction temperature?

The maximum junction temperature is rated at +175°C.