Features of the high frequency flanged terminator include low return loss, high power dissipation range from 10W to 250W, long life, temperature stable thin film technology, aluminum nitride (AIN) high thermal conductivity, single or double flanges, single or double end leads.
The AAC THFF series provides high‑frequency flanged terminators in surface‑mount packages, designed for industrial RF power sources, wireless communication, power amplifiers and aerospace applications. The series offers power ratings from 10 W up to 250 W, low VSWR, and a thin‑film construction that ensures temperature stability and long life.
The datasheet includes electrical data (frequency range up to 3 GHz, capacitance, tolerance, TCR), mechanical dimensions for each model, VSWR curves, derating information, and ordering details such as lead styles and packaging options. All products are RoHS compliant (2002/95/EC).
| Power Rating | 10 W – 250 W |
|---|---|
| Capacitance | <0.5 pF (10 W‑40 W) / <1.0 pF (≥50 W) |
| Rated Voltage | VP × R (where P is power rating and R is resistance) |
| Absolute TCR | +50 ppm/°C |
| Frequency Range | DC to 3 GHz |
| Tolerance | +1 %, +2 %, +5 % |
| Operating Temperature Range | -55 °C ~ +155 °C |
| VSWR | ≤1.4 (typical) |
| Short‑Time Overload | 5 × rated power for 5 seconds |
The series operates from DC up to 3 GHz.
Power ratings are offered from 10 W to 250 W, with special orders up to 300 W.
Yes, they are RoHS compliant according to directive 2002/95/EC.
The tolerance options are +1 %, +2 % and +5 %.