PH1090-550S is an avionics pulsed power transistor designed for 550 W output at 1090 MHz with a 10 µs pulse width and 1% duty cycle. It features a hermetic metal/ceramic package, common base configuration, and internal impedance matching. The device operates in broadband Class C with 50% collector efficiency and 7.4 dB power gain. It supports a peak collector current of 28 A, collector-emitter voltage of 80 V, and junction temperature up to 200 °C. The thermal resistance is 0.05 °C/W. The transistor is RoHS compliant and has a load mismatch tolerance of up to 10:1 and stability of 1.5:1.
Avionics Power Transistors
| Richardson RFPD | |
|---|---|
| Product Category | RF Transistors |
| Product Number | PH1090-550S |
| Product Name | RF Power Transistor |
| Package Type | Ceramic Flanged |