4259-63

Overview

The pSemi PE4259-63 is an UltraCMOS SPDT RF switch IC operating from 10 MHz to 3 GHz. It features low insertion loss of 0.5 dB and typical off-isolation of 20 dB. Designed for 50-ohm systems, it utilizes reflective switching technology with integrated CMOS control logic. The device operates within a temperature range of -40°C to +85°C and is housed in an SC-70-6 surface-mount package.

Feature Summary

• UltraCMOS technology integrating CMOS control logic
• Reflective SPDT switching architecture
• Low voltage CMOS compatible interface

Applications

• Wireless infrastructure equipment
• Test and measurement instrumentation
• Mobile communication devices

Procurement Notes

Verify the specific suffix (e.g., -63) against official datasheets to confirm packaging type and tape-and-reel specifications. Ensure compatibility with system voltage levels and thermal requirements before finalizing procurement orders.

Selection Notes

Select this component for applications requiring compact SPDT switching within the 10 MHz to 3 GHz range. Consider its low insertion loss and integrated control logic for simplified board design in signal routing scenarios.

Part Context

This part belongs to the UltraCMOS family of RF switches by pSemi. It is designed to replace older GaAs or PIN diode solutions, offering improved linearity and lower power consumption in portable and base station applications.

Replacement Considerations

Consult official substitution guides for pin-compatible alternatives. Verify electrical parameter equivalence for critical performance metrics when considering cross-brand replacements.