The RA03M4547MD is a 38 dBm output RF MOSFET Amplifier Module for 7.2 volt portable radios that operate in the 450 to 470 MHz range.
The RA03M4547MD is a 38 dBm output RF MOSFET amplifier module designed for 7.2 V portable radios operating in the 450‑470 MHz band. It features enhancement‑mode MOSFET transistors, low‑power gate bias, and a compact 30 × 10 × 5.4 mm package. The module is RoHS compliant and includes detailed handling precautions for electrostatic sensitivity.
The document provides maximum ratings, electrical characteristics, typical performance graphs, mechanical drawings, and application recommendations such as heat‑sink mounting torque, ESD protection, and soldering guidelines. Safety notes emphasize temperature limits and proper circuit design for reliable operation.
| Frequency Range | 450‑470 MHz |
|---|---|
| Gate Voltage (Vea) | 3.5 V (typ) |
| Input Power (Pin) | 100 mW |
| Efficiency | ≈34 % |
| Gate Current (Idq1) | 30 mA |
| Drain Current (Idq2) | 1 A |
| Load VSWR | 2:1 (all phase) |
| Package Size | 30 × 10 × 5.4 mm |
| Package Code | H46S |
| RoHS Compliance | Compliant (letter “G” after lot marking) |
M2.6 screws are recommended with a tightening torque of 1.8 to 3.0 kgf‑cm.
The MOSFET module is sensitive to ESD voltages down to 1000 V and requires appropriate ESD precautions.