SMP1304-027LF

RF Diode Overview

The SMP1304-027LF is a plastic packaged, surface mountable silicon PIN diode array from the Skyworks SMP1304 series. It contains four diodes configured for insertion into commonly used four-diode PI attenuator circuits and is housed in an SOT-5 package. The device features a thick 100 μm I-region width and a typical carrier lifetime of 1 μs, resulting in low-distortion performance suitable for TV distribution applications. Electrical specifications include a maximum reverse voltage of 200 V, a maximum power dissipation of 250 mW at 25 °C lead temperature, and a capacitance of 0.45 pF maximum at 30 V reverse bias. Operating temperatures range from -65 °C to +150 °C.

RF Diode Feature Summary

• Low-distortion design optimized for attenuator applications
• Four-diode array configuration designed for PI attenuator circuits
• Thick 100 μm I-region width for improved linearity
• Plastic packages rated MSL1 @ 260 °C per JEDEC J-STD-020

RF Diode Applications

• TV distribution systems
• Attenuator circuits
• Base station applications

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status using the official Skyworks Certificate of Conformance. Ensure proper ESD handling precautions are maintained during storage and assembly. Review moisture sensitivity level requirements before soldering to prevent package damage.

RF Diode Selection Notes

Select this component when designing low-distortion PI attenuators requiring a four-diode array in a compact SOT-5 footprint. Verify that the 200 V reverse voltage rating meets circuit isolation requirements. Consider the 1 μs carrier lifetime and 100 μm I-region width for signal integrity needs. Ensure operating temperatures fall within the specified -65 °C to +150 °C range.

RF Diode Part Context

The SMP1304-027LF belongs to the SMP1304 series of low-distortion attenuator PIN diodes manufactured by Skyworks Solutions, Inc. This series includes various configurations such as single diodes in SC-79 packages, pairs in SOT-23 packages, and the four-diode array in the SOT-5 package. All variants share similar electrical characteristics tailored for RF attenuation applications.

RF Diode Replacement Considerations

Direct substitutes within the same series include other SMP1304 variants with different packaging options like SMP1304-005LF, SMP1304-006LF, and SMP1304-079LF. These alternatives offer different internal configurations but maintain comparable electrical performance metrics.

RF Diode FAQ

What is the maximum capacitance of the SMP1304-027LF?

The maximum capacitance of the SMP1304-027LF is 0.45 pF at 30 V reverse bias.

What is the typical carrier lifetime of the SMP1304 series?

The typical carrier lifetime is 1 μs at 10 mA forward current.

What package type does the SMP1304-027LF use?

The SMP1304-027LF uses an SOT-5 package containing a four-diode array.