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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | RoHS Status | Manufacturer Part Number | Type | Voltage - Supply | Shell Style | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CPL-5216-20-SMA-79 | Bel | RF DIR COUPLER 7GHZ-18GHZ | - | - | Bulk | - | - | - | - | - | SMA In-Line Module | |
| HDH-01706CID(40) | 4D Systems | RF DIR COUPLER 1.7GHZ | HDH | - | Bulk | - | - | - | - | - | - | |
| XMC0204F1-03G | Anaren | RF DIR COUPLER 2GHZ-4GHZ SMD | Xinger® | - | Tape & Reel (TR) | - | - | - | - | - | 4-SMD, No Lead | |
| CP0805A0947EWTR | AVX Corporation | RF DIR COUPLER 935-960MHZ 0805 | - | - | Tape & Reel (TR) | - | - | - | - | - | 0805 (2012 Metric) | |
| CP0603A0836HLTR | AVX Corporation | RF DIR COUPLER 824-849MHZ 0603 | - | - | Tape & Reel (TR) | - | - | - | - | - | 0603 (1608 Metric) | |
| CP0603A0836CWTR | AVX Corporation | RF DIR COUPLER 824-849MHZ 0603 | - | - | Tape & Reel (TR) | - | - | - | - | - | 0603 (1608 Metric) | |
| CP0603A3125ELTR | AVX Corporation | RF DIR COUPLER 3.125GHZ 0603 | - | - | Tape & Reel (TR) | - | - | - | - | - | 0603 (1608 Metric) | |
| CPL-WB-01C2 | STMicroelectronics | RF DIR COUPL 824MHZ-2.025GHZ FLP | - | - | Original-Reel® | - | - | - | - | - | 6-WFBGA, FCBGA | |
| XC3500M-03S | Anaren | RF DIR COUPLER 3.3GHZ-3.8GHZ SMD | Xinger II® | - | Tape & Reel (TR) | - | - | - | - | - | Nonstandard | |
| 10261-3 | Anaren | RF DIR COUPLER 62.5MHZ-125MHZ | - | - | Tray | - | - | - | - | - | - |
RF directional couplers are passive microwave components designed to sample and measure the power of RF signals flowing through transmission lines or RF circuits while minimizing signal disruption. They consist of coupled transmission lines or waveguides that allow a portion of the RF power to be extracted and redirected to a measurement port while maintaining signal integrity and impedance matching. RF directional couplers are used in RF and microwave systems for applications such as power monitoring, signal distribution, feedback control, and signal analysis. They are commonly found in RF test equipment, RF power amplifiers, RF filters, and RF communication systems where accurate power measurement and signal monitoring are essential for system performance and optimization.