BLF8G10LS-270GV,12

Overview

The BLF8G10LS-270GV,12 is a 270 W LDMOS power transistor designed for base station applications in the 790 MHz to 960 MHz frequency range. It features improved video bandwidth and low memory effects for excellent pre-distortability. The device operates at a drain-source voltage of 65 V maximum and 28 V typical. At an average load power of 67 W, it delivers a power gain of 19.5 dB with a drain efficiency of 31%. The adjacent channel power ratio (ACPR) is -37 dBc. Thermal resistance from junction to case is 0.257 K/W. The component utilizes an earless flanged ceramic package (SOT1244C) with decoupling leads.

Feature Summary

• Enhanced ruggedness capable of withstanding high VSWR mismatches across multiple frequencies
• Low thermal resistance providing excellent thermal stability
• Decoupling leads enable improved video bandwidth for broadband operation
• Designed for low memory effects to facilitate digital pre-distortion

Applications

• RF power amplifiers for W-CDMA base stations
• Multi-carrier applications in the 790 MHz to 960 MHz frequency range
• Doherty amplifier configurations due to lower output capacitance

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm lead frame configuration. Confirm RoHS compliance status as per the latest product data sheet revision. Ensure ESD handling precautions are strictly followed during storage and assembly. Validate that the application environment remains within the specified absolute maximum ratings.

Selection Notes

Select this component for wideband cellular infrastructure requiring high linearity and efficiency. The SOT1244C package supports gull-wing mounting styles suitable for automated assembly. Verify impedance matching networks against the provided typical impedance values for the target operating frequency. Ensure adequate heatsinking to maintain junction temperature below the 225 °C limit under full load conditions.

Part Context

This part belongs to the Ampleon BLF8 series of LDMOS power transistors. The 'V' suffix typically denotes straight leads, while 'GV' indicates gull-wing leads. Both variants share identical electrical characteristics and are housed in the same family of earless flanged ceramic packages. The device is optimized for 3GPP test models with specific peak-to-average ratios.

Replacement Considerations

The BLF8G10LS-270V serves as the functional equivalent with straight leads. Verify pinout compatibility and mechanical dimensions before substitution. Ensure the replacement maintains the required video bandwidth and ruggedness specifications for the specific design-in.