DigiKey Datasheets for Fiber Optic Attenuators

Fiber optic attenuators are devices that reduce signal power in fiber optic links by inducing a fixed or variable loss. They are used to control the power level of optical signals at the outputs of light sources and electrical-to-optical (E/O) converters. They are also used to test the linearity and dynamic range of photo sensors and photo detectors.
Fiber Optic Attenuators: Learn more

Product Name	Notes
Fiber Optic Attenuators -- 5073-FOATFCA-10D-ND	ATTENUATOR FC APC 10DB
Fiber Optic Attenuators -- 5073-FOATFCA-15D-ND	ATTENUATOR FC APC 15DB
Fiber Optic Attenuators -- 5073-FOATFCP-10D-ND	ATTENUATOR FC PC 10DB
Fiber Optic Attenuators -- 5073-FOATFCU-25D-ND	ATTENUATOR FC UPC 25DB
Fiber Optic Attenuators -- 5073-FOATLCU-10D-ND	ATTENUATOR LC UPC 10DB
Fiber Optic Attenuators -- 5073-FOATLCU-15D-ND	ATTENUATOR LC UPC 15DB
Fiber Optic Attenuators -- 5073-FOATLCU-20D-ND	ATTENUATOR LC UPC 20DB
Fiber Optic Attenuators -- 5073-FOATLCU-25D-ND	ATTENUATOR LC UPC 25DB
Fiber Optic Attenuators -- 5073-FOATLCU-05D-ND	ATTENUATOR LC UPC 5DB
Fiber Optic Attenuators -- 5073-FOATSCA-10D-ND	ATTENUATOR SC APC 10DB
Fiber Optic Attenuators -- 5073-FOATSCA-15D-ND	ATTENUATOR SC APC 15DB
Fiber Optic Attenuators -- 5073-FOATSCA-20D-ND	ATTENUATOR SC APC 20DB
Fiber Optic Attenuators -- 5073-FOATSCA-25D-ND	ATTENUATOR SC APC 25DB
Fiber Optic Attenuators -- 5073-FOATSCA-05D-ND	ATTENUATOR SC APC 5DB
Fiber Optic Attenuators -- 5073-FOATSCU-15D-ND	ATTENUATOR SC UPC 15DB
Fiber Optic Attenuators -- 5073-FOATSCU-25D-ND	ATTENUATOR SC UPC 25DB
Fiber Optic Attenuators -- 5073-FOATSCU-05D-ND	ATTENUATOR SC UPC 5DB
Fiber Optic Attenuators -- 5073-FOATSTU-10D-ND	ATTENUATOR ST UPC 10DB
Fiber Optic Attenuators -- 5073-FOATSTU-15D-ND	ATTENUATOR ST UPC 15DB
Fiber Optic Attenuators -- 5073-FOATSTU-20D-ND	ATTENUATOR ST UPC 20DB
Fiber Optic Attenuators -- 5073-FOATSTU-25D-ND	ATTENUATOR ST UPC 25DB
Fiber Optic Attenuators -- 5073-FOATSTU-05D-ND	ATTENUATOR ST UPC 5DB
Fiber Optic Attenuators -- H2511-ND	Fiber Optic Attenuator FC 20dB
Fiber Optic Attenuators -- H2508-ND Fiber Optic Attenuators -- HRFC-AT5K-A05A(60)-ND	Fiber Optic Attenuator FC 5dB
Fiber Optic Attenuators -- A20175-ND	Fiber Optic Attenuator FC, Singlemode, Dual Window 10dB
Fiber Optic Attenuators -- 1-5209948-5-ND Fiber Optic Attenuators -- A20176-ND	Fiber Optic Attenuator FC, Singlemode, Dual Window 15dB
Fiber Optic Attenuators -- A20173-ND	Fiber Optic Attenuator FC, Singlemode, Dual Window 3dB
Fiber Optic Attenuators -- HRFC-AT11K-A06(60)-ND	Fiber Optic Attenuator FC, Singlemode, Dual Window 6dB
Fiber Optic Attenuators -- 5073-FOATLCA-12D-ND Fiber Optic Attenuators -- 5073-FOATLCA-18D-ND	FIBER OPTIC ATTENUATOR LC/APC MA
Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH27-29-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH31-33-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH35-27-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH39-41-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH43-45-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH47-49-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH51-53-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH55-57-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-2CH-CH59-61-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-4CH-CH27-CH33-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-4CH-CH35-CH45-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-4CH-CH47-CH53-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-4CH-CH55-CH61-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-8CH-CH27-CH45-LCA-UPG-ND Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-8CH-CH47-CH61-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH21-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH22-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH23-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH24-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH25-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH26-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH27-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH28-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH29-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH30-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH31-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH32-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH33-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH34-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH35-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH36-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH37-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH38-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH39-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH40-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH41-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH42-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH43-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH44-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH45-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH46-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH47-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH48-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH49-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH50-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH51-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH52-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH53-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH54-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH55-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH56-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH57-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH58-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH59-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-1CH-100GHZ-CH60-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH21-CH22-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH23-CH24-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH25-CH26-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH27-CH28-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH29-CH30-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH31-CH32-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH33-CH34-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH35-CH36-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH37-CH38-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH39-CH40-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH41-CH42-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH43-CH44-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH45-CH46-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH47-CH48-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH49-CH50-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH51-CH52-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH53-CH54-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH55-CH56-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH57-CH58-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-2CH-100GHZ-CH59-CH60-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH21-CH24-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH25-CH28-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH29-CH32-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH33-CH36-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH37-CH40-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH41-CH44-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH45-CH48-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH49-CH52-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH53-CH56-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-4CH-100GHZ-CH57-CH60-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-8CH-100GHZ-CH21-CH28-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-8CH-100GHZ-CH29-CH36-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-8CH-100GHZ-CH37-CH44-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-8CH-100GHZ-CH45-CH52-LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-8CH-100GHZ-CH53-CH60-LCAUPG-ND	Fiber Optic Attenuator LC/APC
Fiber Optic Attenuators -- 5073-FOATLCU-12D-ND Fiber Optic Attenuators -- 5073-FOATLCU-18D-ND	FIBER OPTIC ATTENUATOR LC/UPC MA
Fiber Optic Attenuators -- A121058-ND	Fiber Optic Attenuator LC/UPC, Singlemode 5dB
Fiber Optic Attenuators -- H2505-ND Fiber Optic Attenuators -- HSC-AT11CS-A10-ND Fiber Optic Attenuators -- HSC-AT11U-A10-ND	Fiber Optic Attenuator SC 10dB
Fiber Optic Attenuators -- H2506-ND	Fiber Optic Attenuator SC 15dB
Fiber Optic Attenuators -- HSC-AT11K-A20-ND Fiber Optic Attenuators -- HSC-AT11U-A20-ND	Fiber Optic Attenuator SC 20dB
Fiber Optic Attenuators -- HSC-AT11K-A03-ND	Fiber Optic Attenuator SC 3dB
Fiber Optic Attenuators -- H2504-ND Fiber Optic Attenuators -- HSC-AT11K-A05-ND Fiber Optic Attenuators -- HSC-AT11U-A05-ND	Fiber Optic Attenuator SC 5dB
Fiber Optic Attenuators -- HSC-AT11CS-A07-ND Fiber Optic Attenuators -- HSC-AT11U-A07-ND	Fiber Optic Attenuator SC 7dB
Fiber Optic Attenuators -- HSC-AT5S-B10A(40)-ND	Fiber Optic Attenuator SC, Multimode 10dB
Fiber Optic Attenuators -- HSC-AT11K-A00-ND Fiber Optic Attenuators -- HSC-AT11U-A00-ND	Fiber Optic Attenuator SC, Singlemode 0dB
Fiber Optic Attenuators -- H126260-ND	Fiber Optic Attenuator SC, Singlemode 10dB
Fiber Optic Attenuators -- HSC-AT11K-A01-ND	Fiber Optic Attenuator SC, Singlemode 1dB
Fiber Optic Attenuators -- HSC-AT11K-A30-ND	Fiber Optic Attenuator SC, Singlemode 30dB
Fiber Optic Attenuators -- A20180-ND Fiber Optic Attenuators -- A34368-ND	Fiber Optic Attenuator SC, Singlemode, Dual Window 10dB
Fiber Optic Attenuators -- A20181-ND Fiber Optic Attenuators -- A34369-ND	Fiber Optic Attenuator SC, Singlemode, Dual Window 15dB
Fiber Optic Attenuators -- A20182-ND Fiber Optic Attenuators -- A34370-ND	Fiber Optic Attenuator SC, Singlemode, Dual Window 20dB
Fiber Optic Attenuators -- A20178-ND Fiber Optic Attenuators -- A34371-ND	Fiber Optic Attenuator SC, Singlemode, Dual Window 3dB
Fiber Optic Attenuators -- A20179-ND	Fiber Optic Attenuator SC, Singlemode, Dual Window 5dB
Fiber Optic Attenuators -- 5073-FOATSCA-12D-ND Fiber Optic Attenuators -- 5073-FOATSCA-18D-ND	FIBER OPTIC ATTENUATOR SC/APC MA
Fiber Optic Attenuators -- 5073-FOATSCU-12D-ND Fiber Optic Attenuators -- 5073-FOATSCU-18D-ND	FIBER OPTIC ATTENUATOR SC/UPC MA
Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-40CH-100GHZ-CHXX-LCA-UPG-ND	Fiber Optic Attenuator Singlemode, Dual Window
Fiber Optic Attenuators -- 5073-FOATLCA-01D-ND Fiber Optic Attenuators -- 5073-FOATLCA-02D-ND Fiber Optic Attenuators -- 5073-FOATLCA-03D-ND Fiber Optic Attenuators -- 5073-FOATLCA-07D-ND	FIBER OPTIC ATTENUATOR, LC/APC M
Fiber Optic Attenuators -- 5073-FOATLCU-01D-ND Fiber Optic Attenuators -- 5073-FOATLCU-02D-ND Fiber Optic Attenuators -- 5073-FOATLCU-03D-ND Fiber Optic Attenuators -- 5073-FOATLCU-07D-ND	FIBER OPTIC ATTENUATOR, LC/UPC M
Fiber Optic Attenuators -- 5073-FOATSC-31-10D-ND Fiber Optic Attenuators -- 5073-FOATSC-55-10D-ND	FIBER OPTIC ATTENUATOR, SC 10DB
Fiber Optic Attenuators -- 5073-FOATSC-31-15D-ND Fiber Optic Attenuators -- 5073-FOATSC-55-15D-ND	FIBER OPTIC ATTENUATOR, SC 15DB
Fiber Optic Attenuators -- 5073-FOATSC-31-20D-ND Fiber Optic Attenuators -- 5073-FOATSC-55-20D-ND	FIBER OPTIC ATTENUATOR, SC 20DB
Fiber Optic Attenuators -- 5073-FOATSC-31-05D-ND Fiber Optic Attenuators -- 5073-FOATSC-55-05D-ND	FIBER OPTIC ATTENUATOR, SC 5DB
Fiber Optic Attenuators -- 5073-FOATSCA-01D-ND Fiber Optic Attenuators -- 5073-FOATSCA-02D-ND Fiber Optic Attenuators -- 5073-FOATSCA-03D-ND Fiber Optic Attenuators -- 5073-FOATSCA-07D-ND	FIBER OPTIC ATTENUATOR, SC/APC M
Fiber Optic Attenuators -- 5073-FOATSCU-01D-ND Fiber Optic Attenuators -- 5073-FOATSCU-02D-ND Fiber Optic Attenuators -- 5073-FOATSCU-03D-ND Fiber Optic Attenuators -- 5073-FOATSCU-07D-ND	FIBER OPTIC ATTENUATOR, SC/UPC M
Fiber Optic Attenuators -- 3227-CWDM-MUX-LGX-16CH-LCA-UPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-16CH-100GHZ-CH21-CH36LCAUPG-ND Fiber Optic Attenuators -- 3227-DWDM-MUX-LGX-16CH-100GHZ-CH37-CH52LCAUPG-ND	Fiber Optic Attenuator

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