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RF Couplers


Directional, bi-directional, dual-directional and RF Taps; over 475 models with power handling from 0.5 to 300W covering DC to 40 GHz!

  • Transformer-based, LTCC, stripline/microstrip, bridge, and MMIC designs
  • Surface mount and coaxial formats
  • Wide selection for 50-ohm and 75-ohm systems
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New Products

ZUDC20-06183-S+

  • Wideband, DC Pass
  • Directional Coupler
  • Wideband, 6 to 18 GHz
  • Excellent Coupling Flatness, ±0.3 dB typ.
  • Power Handling up to 50W

ZCDC20-01203-S+

  • Wideband, DC Pass
  • Directional Coupler
  • Wideband, 1 to 20 GHz
  • Excellent Coupling Flatness, ±0.26 dB typ.
  • Power Handling up to 20W

ZGBDC6-521-N +

  • 6dB DC Pass
  • High Power Bi-Directional
  • 130 to 520 MHz
  • High Power Handling: 60W
  • Low Insertion Loss: 0.2 dB typ.

ZGDC6-521-N +

  • 6dB DC Pass High Power Coupler
  • 130 to 520 MHz
  • High Power Handling: 60W
  • Low Insertion Loss: 0.2 dB typ.

ZFDC-6-23-S+

  • Coaxial Directional Coupler
  • Very wideband, 20 to 2000 MHz
  • Good directivity, 17 dB typ
  • Rugged shielded case

ZCDC10-01203-S+

  • Wideband, DC Pass Directional Coupler
  • Wideband, 1 to 20 GHz
  • Power Handling up to 20W
  • SMA Female connectors

DCW-11-722+

  • Ceramic Directional Coupler
  • Wideband, 2400 to 7200 MHz
  • Excellent Return loss for input/output port ideal for signal-tap
  • Ultra small size, 0603 (1.6 x 0.8 mm)
  • Temperature stable

ZCDC13-E1653+

  • Wideband, DC Pass Directional Coupler
  • Ultra-wideband, 1 to 65 GHz
  • Excellent Coupling Flatness, ±0.9 dB typ.
  • Power Handling up to 11W
  • 1.85mm Female connectors

ZCDC10-E6653+

  • Wideband, DC Pass Directional Coupler
  • Ultra-wideband, 6 to 65 GHz
  • Excellent Coupling Flatness, ±0.5 dB typ.
  • Power Handling up to 11W
  • 1.85mm Female connectors

SYBDC-26-52VHP+

  • Surface Mount Bi-Directional Coupler
  • 30 to 540 MHz
  • Low mainline loss, 0.12 dB typ.
  • High Directivity, 24 dB typ.
  • Excellent VSWR, 1.12:1 typ.

ZCDC20-V1854+

  • Wideband, DC Pass Directional Coupler
  • Wideband, 18 to 50 GHz
  • Excellent Coupling Flatness, ±0.3 dB typ.
  • Power Handling up to 16W
  • 2.4mm Female connectors

ZCDC10-E2653+

  • Wideband, DC Pass Directional Coupler
  • Wideband, 2 to 65 GHz
  • Excellent Coupling Flatness, ±0.6 dB typ.
  • Power Handling up to 11W
  • 1.85mm Female connectors

ZCDC20-E18653+

  • Wideband, DC Pass Directional Coupler
  • Wideband, 18 to 65 GHz
  • Excellent Coupling Flatness, ±0.8 dB typ.
  • Power Handling up to 12W
  • 1.85mm Female connectors

ZCDC13-V154+

  • Wideband, DC Pass Directional Coupler
  • Wideband, 1 to 50 GHz
  • Excellent Coupling Flatness, ±0.6 dB typ.
  • Power Handling up to 13W
  • 2.4mm Female connectors

ZCDC10-V254+

  • Wideband, DC Pass Directional Coupler
  • Wideband, 2 to 50 GHz
  • Excellent Coupling Flatness, ±0.3 dB typ.
  • Power Handling up to 13W
  • 2.4mm Female connectors

CPJC Series

  • LTCC Couplers
  • 6, 17, 21, 28 dB Coupling
  • 2400 to 2500 MHz
  • Miniature size 0603
  • Low cost

ZCDC30 Series

  • Wideband, DC Pass
  • 30 dB Directional Couplers
  • Wideband, 1 to 40 GHz
  • Excellent Coupling Flatness
  • Power Handling up to 20W
  • SMA and 2.92mm connectors

ZCDC20 Series

  • Wideband, DC Pass
  • 20 dB Directional Couplers
  • Wideband, 1 to 40 GHz
  • Excellent Coupling Flatness
  • Power Handling up to 20W
  • SMA and 2.92mm connectors

ZCDC16 Series

  • Wideband, DC Pass
  • 16 dB Directional Couplers
  • Wideband, 0.5 to 40 GHz
  • Excellent Coupling Flatness
  • Power Handling up to 20W
  • SMA and 2.92mm connectors

ZCDC13 Series

  • Wideband, DC Pass
  • 13 dB Directional Couplers
  • Wideband, 0.5 to 40 GHz
  • Excellent Coupling Flatness
  • Power Handling up to 20W
  • SMA and 2.92mm connectors

ZCDC10 Series

  • Wideband, DC Pass
  • 10 dB Directional Couplers
  • Wideband, 1 to 40 GHz
  • Excellent Coupling Flatness
  • Power Handling up to 20W
  • SMA and 2.92mm connectors

BDCH-25-33+

  • Surface Mount Bi-Directional Coupler
  • Ultra wideband, 800 to 3000 MHz
  • High power handling, up to 150W
  • Low insertion loss, 0.2 dB
  • High directivity, 28 dB

ZCDC10-06263-S+

  • Wideband, DC Pass Directional Coupler
  • 18 to 26.5 GHz
  • Excellent Coupling Flatness, ±0.2 dB typ.
  • Power Handling up to 20W

ZCDC10-06263-S+

  • Wideband, DC Pass Directional Coupler
  • 6 to 26.5 GHz
  • Excellent Coupling Flatness, ±0.3 dB typ.
  • Power Handling up to 20W

SYBDC-15-13HP+

  • Surface Mount Bi-Directional Coupler
  • 100 to 1000 MHz
  • High power handling, 10W
  • Full decade bandwidth
  • Low mainline loss, 0.75 dB
  • High directivity, 23 dB
  • Excellent VSWR, 1.15:1

ZCDC10-01263-S+

  • Wideband, DC Pass Directional Coupler
  • 1 to 26.5 GHz
  • Excellent Coupling Flatness, ±0.4 dB typ.
  • Low Insertion Loss: 0.9 dB* typ.
  • Power Handling up to 20W

ZCDC-K0644+ SERIES

  • Wideband, DC Pass
  • Directional Couplers
  • Wideband, 6 to 40 GHz
  • Excellent coupling flatness
  • Power Handling up to 17W

ZCDC-5R263+ SERIES

  • Wideband, DC Pass
  • Directional Couplers
  • 0.5 to 26.5 GHz
  • Low mainline loss, 1.7 dB typ. at 1.8 GHz
  • Excellent coupling flatness
  • Power Handling up to 20W

EDC10-183+

  • MMIC Surface Mount
  • 10 dB Directional Coupler
  • Wideband, 6-18 GHz
  • Excellent coupling flatness 10±0.7 dB typ.
  • High repeatable performance (GaAs based design)
  • Small Size, 4 x 4 mm
  • No external termination required

BDCH-20-63+

  • High Power, DC Pass Bi-Directional Coupler
  • 2000 to 6000 MHz
  • High Power Handling: 180W
  • Low Insertion Loss: 0.15 dB

ZDC20-20403-V+

  • High Power, DC Pass Directional Coupler
  • 18 to 40 GHz
  • High Power Handling: 20W
  • Low Insertion Loss: 0.9 dB* typ.
  • Good Coupling Flatness, ±0.8 dB typ.

BDCH-20-63A+

  • High Power, DC Pass Bi-Directional Coupler
  • 2000 to 6000 MHz
  • High Power Handling: 140W
  • Low Insertion Loss: 0.15 dB
  • High directivity, 29 dB

ZNDC-6-122+

  • Coaxial Directional Coupler
  • 500 to 1200 MHz
  • Excellent mainline loss, 0.5 dB
  • Very good directivity, 20 dB typ.

ZGBDC Model Series

  • High Power Bi-Directional Couplers
  • 380 to 3700 MHz
  • High Power Handling, 250W
  • Low Insertion Loss

EDC10-273+

  • MMIC Surface Mount
  • 10 dB Directional Coupler
  • Wideband, 6-26.5 GHz
  • Excellent coupling flatness 10±1.5 dB typ.
  • Small Size, 4 x 4 mm
  • No external termination required

ZUDC20-83+

  • Ultra-Wideband, DC Pass
  • 20 dB Directional Coupler
  • Ultra-Wideband, 0.3 to 8 GHz
  • Low mainline loss, 0.7 dB
  • Good directivity, 24 dB typ.
  • High power handling, up to 20W

ZCDC20-02263S+

  • Wideband, DC Pass
  • 20 dB Directional Coupler
  • Wideband, 2 to 26.5 GHz
  • Excellent Coupling Flatness, ±0.5 dB typ.
  • Power Handling up to 20W

ZDDC-50-521+

  • DC Pass, High Power
  • Dual-Directional Coupler
  • 20 to 520 MHz
  • High Power Handling, up to 400W
  • Low insertion loss, 0.1 dB typ.
  • Excellent return loss, 28 dB typ. (In/Out)
  • High directivity, 26 dB typ.
  • Water resistant, IP67