SMP1302-040LF

RF Diode Overview

The SMP1302-040LF is a single, plastic-packaged silicon PIN diode from the Skyworks SMP1302 series. It utilizes an SOD-882 package and features a nominal 50 μm I-region width with a maximum series inductance of 0.45 nH. The device operates within a frequency range of 10 MHz to beyond 10 GHz. Key electrical specifications include a reverse voltage rating of 200 V, a capacitance of 0.3 pF at 1 MHz, and a forward voltage of 0.8 V at 10 mA. Power dissipation is rated at 250 mW, with an operating temperature range spanning -65 °C to +150 °C.

RF Diode Feature Summary

• Low-distortion design optimized for high-volume switch and attenuator applications
• Suitable for low-drive current TEE attenuators and large-signal switching
• Rated MSL1 @ 260 °C per JEDEC J-STD-020 standards

RF Diode Applications

• TV distribution systems
• Cellular base stations
• High volume RF switches
• Attenuators

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via the official Certificate of Conformance. Ensure proper ESD handling protocols are followed during storage and assembly to prevent damage from electrostatic discharge events.

RF Diode Selection Notes

Select this component for designs requiring low parasitic inductance and capacitance in compact surface-mount layouts. The SOD-882 footprint supports automated production. Evaluate thermal management requirements against the 250 mW power dissipation limit and ensure drive currents align with the specified resistance characteristics.

RF Diode Part Context

This part belongs to the SMP1302 series, which offers various configurations including single, dual, and quad diodes across multiple packages like SOT-23, SOD-323, SC-79, SC-88, and SOD-882. The SMP1302-040LF specifically denotes the single-diode variant housed in the small-footprint SOD-882 package.

RF Diode Replacement Considerations

Direct substitutes within the same series include SMP1302-003LF (SOT-23), SMP1302-011LF (SOD-323), SMP1302-078LF (SC-79), and SMP1302-079LF (SC-88). Verify pinout compatibility and package dimensions before substitution.