BLF6G20-75,112

Overview

The BLF6G20-75 is a power LDMOS transistor designed for base station applications in the 1800 MHz to 2000 MHz frequency range. It delivers a typical average output power of 75 W under continuous wave conditions. The device operates with a drain-source voltage of 28 V and achieves a power gain of 19 dB. Key electrical parameters include a maximum drain-source voltage of 65 V, a gate-source voltage limit of +13 V, and a maximum junction temperature of 225 °C. Thermal resistance from junction to case is specified at 0.9 K/W.

Feature Summary

• Designed for broadband operation across the 1800 MHz to 2000 MHz spectrum
• Features integrated electrostatic discharge protection
• Provides excellent ruggedness capable of withstanding high voltage standing-wave ratios
• Includes internal matching for simplified circuit integration

Applications

• RF power amplifiers for GSM base stations
• RF power amplifiers for GSM EDGE base stations
• RF power amplifiers for W-CDMA base stations
• Multi-carrier applications in the 1800 MHz to 2000 MHz range

Procurement Notes

Verify the specific package variant required for the design, as the BLF6G20-75 corresponds to the SOT502A flanged ceramic package with mounting holes. Confirm that the application environment supports the specified thermal management requirements, given the junction-to-case thermal resistance values. Ensure all handling procedures account for the device's sensitivity to electrostatic discharge during transport and assembly.

Selection Notes

Select this component when designing RF power amplifiers for cellular infrastructure operating within the 1800 MHz to 2000 MHz band. The device is suitable for class-AB operation modes requiring high efficiency and linearity. Consider the thermal characteristics and the need for robust heat sinking to maintain junction temperatures within the specified limits during high-power continuous wave or multi-carrier operations.

Part Context

This part belongs to the Ampleon LDMOS power transistor family intended for wireless communication infrastructure. It serves as a core active element in power amplifier modules for mobile network base stations. The product data sheet defines its electrical performance, absolute maximum ratings, and thermal characteristics for engineering design purposes.

Replacement Considerations

The BLF6G20LS-75 is an alternative version within the same datasheet, utilizing the SOT502B earless flanged ceramic package. Designers must verify mechanical compatibility and mounting hole configurations when substituting between these variants.