1SS390SMT2R

Overview

The 1SS390SMT2R is a single PIN diode from Rohm Semiconductor designed for high-frequency switching applications. It features a reverse voltage of 35V and a maximum junction temperature of 150°C. The device exhibits a capacitance of 1.2pF at 6V reverse bias and 1MHz frequency, with an RF resistance of 0.9Ω at 2mA forward current and 100MHz. Packaged in the EMD2 (SOD-523) surface-mount format, it supports taping packaging with a minimum order quantity of 8000 units.

Feature Summary

• Optimized for VHF and UHF band switching applications due to low impedance characteristics.
• Utilizes a compact SOD-523 surface-mount package suitable for space-constrained designs.

Applications

• High-frequency switching circuits
• VHF/UHF band signal routing
• RF switch modules

Procurement Notes

Verify the specific suffix 'T2R' confirms the tape-and-reel packaging configuration containing 8000 units per reel. Confirm that the standard grade designation aligns with non-automotive application requirements, as automotive variants typically carry distinct suffixes such as 'FH'. Ensure RoHS compliance documentation is available for regulatory adherence.

Selection Notes

Select this component when a single PIN diode with 35V reverse voltage capability is required for RF switching. Compare the 0.9Ω RF resistance and 1.2pF capacitance against circuit impedance matching needs. Consider the EMD2 package dimensions for PCB layout constraints relative to alternative packages like VMD2 or UMD series devices.

Part Context

This part belongs to Rohm's line of band-switching diodes engineered for low-resistance performance in VHF and UHF frequencies. The 1SS390 series specifically targets high-frequency switching roles, distinguishing itself from general-purpose rectifiers through its optimized PIN structure for rapid state transitions at radio frequencies.

Replacement Considerations

The RN262G is listed as a similar specification replacement, though it operates at a lower 30V reverse voltage and utilizes a VMD2 package. For direct pin-compatible substitution within the same EMD2 footprint, verify electrical parameter compatibility carefully as no identical EMD2 equivalent is explicitly confirmed in the provided data.