RA03M4043MD is a 38 dBm output RF MOSFET Amplifier Module for 7.2 volt portable radios that operate in the 400 to 430 MHz range.
The RA03M4043MD is a 38 dBm output RF MOSFET power amplifier module designed for 7.2 V portable radios operating in the 400‑430 MHz band. It delivers up to 38 dBm output power with typical efficiency around 95 % and includes bias and matching circuits on an alumina substrate.
The document outlines handling precautions, RoHS compliance, mounting recommendations, thermal design of the heat sink, and ESD sensitivity. It also provides electrical characteristics, typical performance curves, and wiring diagrams for proper integration into RF equipment.
| Frequency Range | 400 – 430 MHz |
|---|---|
| Drain Voltage (Vop) | 9.2 V |
| Gate Voltage (Vgg) | 4 V |
| Module Size | 30 × 10 × 5.4 mm |
M2.6 screws should be tightened to a torque of 1.8 to 3.0 kgf‑cm.
The MOSFET module is sensitive to ESD voltages down to 1000 V.
RoHS compliance is indicated by the letter “G” after the lot marking.
The case temperature range is –30 °C to +90 °C.