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The MMBF5484LT1G is an N-channel RF amplifier and analog switch manufactured by onsemi, housed in a compact SOT-23 surface-mount package. It utilizes the Process 50 technology to achieve low on-resistance characteristics suitable for signal routing applications. The device features a drain-source breakdown voltage of -25V and a gate-source cutoff voltage range of -0.3V to -3.0V at VDS=15V. Key electrical parameters include a maximum forward gate current of 10mA and a zero-gate voltage drain current between 4.0mA and 5.0mA under standard test conditions.
Verify the specific suffix LT1G against official onsemi documentation to confirm packaging and compliance details. Ensure the component matches the required Process 50 specifications for your design. Cross-reference absolute maximum ratings with your system's operating limits to prevent damage. Confirm thermal resistance values align with your PCB layout constraints.
Select this component when low on-resistance analog switching is required in a small form factor. The interchangeable source-drain capability simplifies PCB layout for bidirectional signal paths. Verify that the -25V breakdown voltage meets the peak voltage requirements of the application circuit. Consider the thermal resistance of 556°C/W for heat dissipation planning in enclosed environments.
This part belongs to the MMBF5484/5485/5486 family of N-channel RF amplifiers from onsemi. These devices share similar Process 50 technology and SOT-23 packaging but differ in their specific gate-source cutoff voltage thresholds. The family is designed for general-purpose analog switching where low distortion and fast switching are beneficial.
MMBF5485LT1G and MMBF5486LT1G are direct substitutes within the same family, differing primarily in gate-source cutoff voltage ranges. Verify that the alternative part's specific VGS(off) parameters match the control logic levels of the target application before substitution.