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BLK Coaxial DC Blocks

Mini-Circuits BLK Coaxial DC Blocks with a wide frequency range and low insertion loss operate at a minimum -35°C/-55°C case temperature. These DC blocks provide good matching for 50Ω/75Ω systems and minimize signal reflections across a wide frequency range. The BLK coaxial DC blocks feature rugged unibody construction and are RoHS compliant. These DC blocks are used in communication systems, defense systems, and test and measurement instrumentation.

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Types of RF Interconnects

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RoHS Compliant

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Part #

RF Connector Accessories DC BLOCK V-F/V-M 50GHZ RoHS

BLK-V54+
Mini-Circuits
1: £438.00
17In Stock

Mfr. Part No.
BLK-V54+

Mouser Part No
139-BLK-V54

RF Connector Accessories DC BLOCK V-F/V-M 50GHZ RoHS

Datasheet

17In Stock

£438.00

£429.62

Min.: 1
Mult.: 1

Multiple

RF Adapters - In Series Inner DC Block, 50 MHz to 18 GHz, N-Female to N-Male Connectors

BLK-18W-N+
Mini-Circuits
1: £80.40
3In Stock
20Expected 01/07/2026

Mfr. Part No.
BLK-18W-N+

Mouser Part No
139-BLK-18W-N

RF Adapters - In Series Inner DC Block, 50 MHz to 18 GHz, N-Female to N-Male Connectors

Datasheet

3In Stock

20Expected 01/07/2026

£80.40

£72.65

£72.37

£72.06

£71.44

Min.: 1
Mult.: 1

50 Ohms

N

18 GHz

RF Connector Accessories DC BLOCK / SMA-F / SMA-M /RoHS

BLK-18-S+
Mini-Circuits
1: £26.78
229In Stock
430Expected 15/07/2026

Mfr. Part No.
BLK-18-S+

Mouser Part No
139-BLK-18-S

RF Connector Accessories DC BLOCK / SMA-F / SMA-M /RoHS

Datasheet

229In Stock

430Expected 15/07/2026

£26.78

£26.20

Min.: 1
Mult.: 1

50 Ohms

SMA

18 GHz

RF Connector Accessories DC BLOCK / SMA-F / SMA-M /RoHS

BLK-89-S+
Mini-Circuits
1: £18.26
491In Stock
1,450Expected 27/07/2026

Mfr. Part No.
BLK-89-S+

Mouser Part No
139-BLK-89-S

RF Connector Accessories DC BLOCK / SMA-F / SMA-M /RoHS

Datasheet

491In Stock

1,450Expected 27/07/2026

£18.26

£17.69

Min.: 1
Mult.: 1

50 Ohms

SMA

8 GHz

RF Connector Accessories DC BLOCK K-F/K-M 40GHZ RoHS

BLK-K44+
Mini-Circuits
1: £238.93
46In Stock

Mfr. Part No.
BLK-K44+

Mouser Part No
139-BLK-K44

RF Connector Accessories DC BLOCK K-F/K-M 40GHZ RoHS

Datasheet

46In Stock

£238.93

£228.78

£224.44

Min.: 1
Mult.: 1

50 Ohms

RPC-2.92

40 GHz

RF Connector Accessories DC BLOCK / BNC-F / BNC-M /RoHS

BLK-222+
Mini-Circuits
1: £31.12
3In Stock
110On Order

Mfr. Part No.
BLK-222+

Mouser Part No
139-BLK-222

RF Connector Accessories DC BLOCK / BNC-F / BNC-M /RoHS

Datasheet

3In Stock

110On Order

£31.12

Min.: 1
Mult.: 1

50 Ohms

BNC

2.2 GHz

RF Connector Accessories DC BLOCK / BNC-F / BNC-M /RoHS

BLK-222-75+
Mini-Circuits
1: £31.12
3In Stock
10Expected 24/08/2026

Mfr. Part No.
BLK-222-75+

Mouser Part No
139-BLK-222-75

RF Connector Accessories DC BLOCK / BNC-F / BNC-M /RoHS

Datasheet

3In Stock

10Expected 24/08/2026

£31.12

Min.: 1
Mult.: 1

75 Ohms

BNC

2.2 GHz

RF Connector Accessories DC BLOCK / N F / N M / RoHS

BLK-6-N+
Mini-Circuits
1: £29.85
10In Stock
300On Order

Mfr. Part No.
BLK-6-N+

Mouser Part No
139-BLK-6-N

RF Connector Accessories DC BLOCK / N F / N M / RoHS

Datasheet

10In Stock

300On Order

£29.85

Min.: 1
Mult.: 1

50 Ohms

N

6 GHz

RF Connector Accessories DC BLOCK SMA-F/SMA-M 18GHZRoHS

BLK-18W-S+
Mini-Circuits
1: £44.98
304On Order

Mfr. Part No.
BLK-18W-S+

Mouser Part No
139-BLK-18W-S

RF Connector Accessories DC BLOCK SMA-F/SMA-M 18GHZRoHS

Datasheet

304On Order

£44.98

£42.17

£41.83

£41.47

£40.75

Min.: 1
Mult.: 1

50 Ohms

SMA

18 GHz

RF Connector Accessories DC BLOCK E-F/E-M 65GHZ RoHS

BLK-E653+
Mini-Circuits
1: £431.01
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
BLK-E653+

Mouser Part No
139-BLK-E653

RF Connector Accessories DC BLOCK E-F/E-M 65GHZ RoHS

Datasheet

Non-Stocked Lead-Time 16 Weeks

£431.01

£429.62

Min.: 1
Mult.: 1