The RA07M4452MSA is a 7-watt RF MOSFET Amplifier Module for 7.2-volt portable radios that operate in the 440- to 520-MHz range. It features enhancement-mode MOSFET transistors, broadband frequency range, and low-power control current.
The RAQ7M4452MSA is a 7‑watt RF MOSFET amplifier module designed for 7.2‑volt portable radios operating in the 440‑520 MHz band. It uses enhancement‑mode MOSFET transistors and can be driven directly from a battery. Output power and drain current increase with gate voltage, reaching nominal levels at about 3 V (typical) to 3.5 V (maximum).\n\nThe document provides maximum ratings, electrical characteristics, typical performance curves, mechanical construction details, recommended mounting and thermal design, as well as safety and RoHS compliance information. It also includes handling precautions such as ESD protection, stress avoidance, and recommended soldering practices.
| Frequency Range | 440 – 520 MHz |
|---|---|
| Typical Output Power | 7 W (at Vpp=7.2 V, Vag=3.5 V, Pin=50 mW) |
| Drain Voltage Rating | 9.2 V |
| Total Efficiency | ≈40 % |
| Gate Current | 1 mA (typical at Vag=3.5 V) |
| Module Size | 30 × 9.6 × 5.3 mm |
| Operating Temperature Range | -30 °C to +90 °C |
| Recommended Mounting Torque | 1.8 – 3.0 kgf‑cm |
| RoHS Marking | Letter “G” after the Lot Marking |
Nominal output power becomes available at a gate voltage of about 3 V (typical) to 3.5 V (maximum).
A letter “G” after the lot marking indicates RoHS compliance.