SMP1304-005LF

RF Diode Overview

The SMP1304-005LF is a surface-mountable silicon PIN diode from the Skyworks SMP1304 series, packaged in an SOT-23 configuration as a series pair. It features a thick 100 μm I-region and low parasitic inductance of 1.5 nH. The device supports frequencies from 5 MHz to beyond 2 GHz with a maximum reverse voltage of 200 V and power dissipation of 250 mW. Capacitance is typically 0.3 pF at 30 V reverse bias. Resistance varies by forward current: 40 Ω max at 1 mA, 7 Ω max at 10 mA, and 2 Ω max at 100 mA.

RF Diode Feature Summary

• Low-distortion design optimized for attenuator applications
• Configured specifically for PI and TEE attenuator circuits
• Thick 100 μm I-region structure minimizes signal distortion

RF Diode Applications

• TV distribution systems
• RF attenuator circuits
• Base station applications

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific Green™ packaging markings on the physical unit. Ensure handling procedures adhere to ESD precautions and MSL1 moisture sensitivity guidelines during storage and assembly.

RF Diode Selection Notes

Select this part when designing low-distortion PI or TEE attenuators operating between 5 MHz and 2 GHz. The SOT-23 series pair package suits space-constrained layouts requiring matched characteristics. Verify that the required resistance values align with available forward currents, noting the 100 μm I-region width impacts switching speed and linearity.

RF Diode Part Context

This component belongs to the SMP1304 series of plastic-packaged PIN diodes designed for RF attenuation. The series includes single diodes, four-diode arrays, and various pair configurations in packages like SC-79 and SOT-5. The SMP1304-005LF specifically provides a dual-diode solution in the widely used SOT-23 footprint.

RF Diode Replacement Considerations

Direct replacements within the same series include SMP1304-006LF (PI configuration) or SMP1304-027LF (four-diode array). Cross-package equivalents like SMP1304-079LF offer different inductance profiles. Verify pinout compatibility and electrical parameters before substituting.