BA591,135

RF Diode Overview

The BA591,135 is a band-switching diode manufactured by NXP Semiconductors in an SOD-323 surface-mount package. It features a peak reverse voltage of 35V and a maximum forward current of 100 mA. The device exhibits low capacitance, specified as 1.05 pF maximum or 0.9 pF typical at 3V reverse bias and 1 MHz frequency. Power dissipation is rated at 500 mW with a forward voltage drop of 1 V at 10 mA. Operating temperature ranges from -65°C to +150°C, and it has a reverse leakage current of 20 nA.

RF Diode Feature Summary

• Very small plastic SMD package for space-constrained designs
• Low diode capacitance for high-frequency signal integrity
• High thermal stability with extended operating temperature range

RF Diode Applications

• RF switching circuits
• Band-switching applications
• Signal routing in communication devices

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm datasheet revision and RoHS compliance status prior to integration. Note that this specific part number may be obsolete; validate availability and lifecycle status with suppliers before finalizing procurement plans.

RF Diode Selection Notes

Select this component when low capacitance and compact SOD-323 packaging are required for RF signal paths. Ensure the 35V reverse voltage rating meets circuit requirements. Consider thermal management capabilities given the 500 mW power dissipation limit and wide operating temperature range.

RF Diode Part Context

This component belongs to NXP's band-switching diode portfolio, designed for RF and microwave applications. The SOD-323 package provides a compact footprint suitable for modern surface-mount assembly processes. It serves as a specialized solution for signal switching where minimal parasitic capacitance is critical.

RF Diode Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official NXP resources for cross-reference information if this obsolete part requires replacement.