BLF2425M9LS140U

Overview

The BLF2425M9LS140 is a power LDMOS transistor designed for Industrial, Scientific and Medical (ISM) applications operating between 2400 MHz and 2500 MHz. It delivers 140 W output power with 19 dB gain at 28 V drain-source voltage and 60 mA quiescent current. The device features a 65 V breakdown voltage, 69 mΩ on-state resistance, and 58% drain efficiency. Packaged in an earless flanged ceramic SOT502B housing, it supports continuous wave operation up to a junction temperature of 225 °C.

Feature Summary

• High efficiency and high power gain
• Excellent ruggedness and reliability
• Integrated ESD protection
• Internally matched for broadband operation

Applications

• Industrial, scientific and medical applications in the frequency range 2400 MHz to 2500 MHz

Procurement Notes

Verify component authenticity by checking the manufacturer's official documentation against the part number. Ensure compliance with RoHS directives as specified in the product data sheet. Confirm that handling procedures adhere to electrostatic discharge standards due to device sensitivity. Validate thermal management requirements for the specific application environment before procurement.

Selection Notes

Select this component for high-power CW applications requiring robust performance within the ISM band. Evaluate thermal resistance characteristics to ensure adequate heat dissipation for the target power levels. Consider the internal matching network when designing input and output circuits. Verify that the operating conditions remain within the absolute maximum ratings to maintain device longevity.

Part Context

This device belongs to Ampleon's portfolio of power LDMOS transistors engineered for RF amplification. It utilizes a laterally diffused metal-oxide semiconductor technology optimized for high power density. The SOT502B package provides a reliable interface for mounting on printed circuit boards while facilitating efficient thermal transfer from the junction to the heatsink.

Replacement Considerations

Consult the manufacturer's official documentation for verified substitute part numbers. Cross-reference pin configurations and electrical specifications to ensure compatibility. Verify that any alternative component meets the same thermal and ruggedness requirements for the intended application.