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Single Mode FC/APC Fiber Optic Patch Cables


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Single Mode FC/APC Fiber Optic Patch Cables

Custom Patch Cables

Features

  • FC/APC Narrow Key (2.0 mm) Connectors
  • High Return Loss (Low Back Reflection) of 60 dB (Typical)
  • 0.3 dB Connector to Connector Loss for Telecom Wavelengths
  • Each Cable is Individually Tested

These FC/APC fiber optic patch cables are ideal for systems that are sensitive to back reflections. The narrow key connector utilizes a ferrule that has an 8° angle polished tip, ensuring return losses in excess of 60 dB. Each cable is FC/APC connectorized on both ends, and most cables are available in 1, 2, and 5 m lengths.

Each patch cable includes two protective caps that shield the ferrule ends from dust and other hazards. Additional CAPF Plastic Fiber Caps and CAPFM Threaded Metal Caps for FC/APC-terminated ends are also sold separately. Mating sleeves are available to connect FC/APC to FC/APC connectors. These mating sleeves minimize back reflections and ensure proper alignment of the cores of each connectorized fiber end.

For shorter wavelengths, Thorlabs also offers Low-Insertion-Loss Patch Cables, which feature handpicked single mode fiber with tighter core concentricity specifications for lower insertion loss and higher transmission. We also offer AR-Coated Single Mode Patch Cables, which have an antireflective coating on one fiber end for higher performance in fiber-to-free space applications. If you cannot find the appropriate stock patch cable your application requires, Thorlabs also offers custom patch cables with same-day shipping.

Item #P3-305A-FCP3-405B-FCP3-460B-FCP3-630A-FCP3-780A-FC
FiberSM300SM400SM450SM600780HP
Operating Wavelength320 - 430 nm405 - 532 nm450 - 600 nma600 - 800 nmb780-970 nm
Cutoff Wavelength<310 nm<400 nm400 -0/+50 nma550 ± 50 nm730 ± 30 nm
Mode Field Diameter
(MFD)
c
1.8 - 2.6 µm @ 350 nm
3.0 µm @ 480 nm3.3 µm @ 488 nm
3.4 µm @ 514 nm
4.3 µm @ 633 nm
4.6 µm @ 680 nm
5.0 ± 0.5 µm
@ 850 nm
Cladding Diameter125 ± 1 µm125 ± 1 µm125 ± 1.0 µm125 ± 1 µm125 ± 1.5 µm
Coating Diameter245 µm ± 5%245 µm ± 5%245 ± 15 µm245 µm ± 5%245 ± 15 µm
Attenuation (Max)d<70 dB/km @ 350 nm
<100 dB/km @ 450 nm
<50 dB/km @ 430 nm
<30 dB/km @ 532 nm
<50 dB/km @ 488 nm≤15 dB/km @ 633 nm<3.5 dB/km @ 850 nm
NA0.12 - 0.140.12 - 0.140.10 - 0.140.10 - 0.140.13
Insertion Loss
(Typical)
3.0 dB Loss (Connector to Connector) @ 375 nm2.5 dB Loss (Connector to Connector) @ 405 nm2.5 dB Loss (Connector to Connector) @ 488 nm2.0 dB Loss (Connector to Connector) @ 633 nm1.5 dB Loss (Connector to Connector) @ 780 nm
Return Loss60 dB Typical
ConnectorsFC/APC 2.0 mm Narrow Key
30126A3
Lengthe1 m (for items ending in -1)
2 m (for items ending in -2)
5 m (for items ending in -5)
Protective JacketingØ3 mm, Yellow
FT030-Y
  • Fiber is hand selected to ensure higher cutoff wavelength. For SM operation near the cutoff wavelength, launch conditions need to be taken into consideration.
  • Wavelength range is illustrative and not guaranteed
  • MFD is nominal, calculated value, estimated at the operating wavelength(s).
  • Attenuation is specified for unterminated fiber.
  • Not all cable types are available in all lengths. For custom length cables see our Custom Cables page.
Item #P3-830A-FCP3-980A-FCP3-SMF28E-FCP3-1550A-FCP3-2000-FC-2
FiberSM800-5.6-125SM980-5.8-125SMF-28e+1550BHPSM2000
Operating Wavelength820 - 1100 nm970 - 1650 nma1260 - 1620 nm1460 - 1620 nm1700 - 2100 nm
Cutoff Wavelength660 - 800 nm870 - 970 nm<1260 nm1400 ± 50 nm<1700 nm
Mode Field Diameter
(MFD)b
5.6 µm @ 830 nm5.8 µm @ 980 nm
6.2 µm @ 1064 nm
10.4 µm @ 1550 nm
9.2 ± 0.4 µm @ 1310 nm
10.5 ± 0.5 µm @ 1550 nm
9.5 ± 0.5 µm @ 1550 nm13 µm
Cladding Diameter125 ± 1 µm125 ± 1 µm125 ± 1.0 µm125 ± 1.0 µm125 ± 1.0 µm
Coating Diameter245 µm ± 5%245 µm ± 5%245 ± 5 µm250 ± 15 µm245 ± 10 µm
Attenuation (Max)c≤5 dB/km @ 830 nm≤3 dB/km @ 980 nm≤0.40 dB/km≤0.5 dB/km @ 1550 nm20 dB/km @ 1900 nmd
NA0.10 - 0.140.140.140.130.11
Insertion Loss
(Typical)
1.5 dB Loss (Connector to Connector) @ 830 nm1.0 dB Loss (Connector to Connector) @ 980 nm
0.7 dB Loss (Connector to Connector) @ 1064 nm
0.3 dB Loss (Connector to Connector) @ 1310 nm0.3 dB Loss (Connector to Connector) @ 1550 nm0.3 dB Loss (Connector to Connector) @ 2000 nm
Return Loss60 dB
ConnectorsFC/APC 2.0 mm Narrow Key
30126A3
Lengthe1 m (for items ending in -1)
2 m (for items ending in -2)
5 m (for items ending in -5)
Protective JacketingØ3 mm, Yellow
FT030-Y
  • Wavelength range is illustrative and not guaranteed.
  • MFD is nominal, calculated value, estimated at the operating wavelength(s)
  • Attenuation is specified for unterminated fiber.
  • Attenuation of SM2000 fiber is highly dependent on wavelength.
  • Not all cable types are available in all lengths. For custom length cables see our Custom Cables page.
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Posted Comments:
Poster: jhyuan
Posted Date: 2013-04-20 21:00:01.75
Hi, I'm using PAFA-X-4-A to couple 514nm laser to P3-460A-FC-2. I can only get 10% efficiency at the best, and I saw a halo of laser light coming off the cable, decaying along the length of the cable. Is that halo normal? I have no previous experience with single mode fiber, and thought there should not be any light coming off the cable? Am I wrong, or is the fiber somehow damaged? Thank you for you help! Junhua
Poster: tcohen
Posted Date: 2013-04-25 15:51:00.0
Response from Tim at Thorlabs to Junhua: From your description it sounds that the spot is not being optimally coupled into the fiber. If it is leaking into the cladding on coupling and therefore not being totally internally reflected, you can often see this power exiting. This is also possible if you are bending your fiber with too small of a radius. We will contact you directly to troubleshoot.
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320 - 430 nm FC/APC Single Mode Patch Cable
  Negligible Photodarkening
  Dual Acrylate Coating
Fiber TypeOperating WavelengthCutoff WavelengthMode Field DiameterCladding DiameterCoating DiameterMax AttenuationaNAConnectorsJacket
SM300 320 - 430 nm <310 nm 1.8 - 2.6 µm @ 350 nm 125 ± 1 µm 245 µm ± 5% <70 dB/km @ 350 nm
<100 dB/km @ 450 nm
0.12 -
0.14
FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-305A-FC-1 Support Documentation
P3-305A-FC-1 Single Mode Patch Cable, 305 - 430 nm, FC/APC, 1 m Long
$102.00
Today
405 - 532 nm FC/APC Single Mode Patch Cables
Fiber Type Operating
Wavelength
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationa
NA ConnectorsJacket
SM400 405 - 532 nm <400 nm 3.0 µm @ 480 nm 125 ± 1.0 µm 245 µm ± 5% <50 dB/km @ 430 nm
<30 dB/km @ 532 nm
0.12 - 0.14FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-405B-FC-1 Support Documentation
P3-405B-FC-1 Single Mode Patch Cable, 405 - 532 nm, FC/APC, 1 m Long
$95.88
Today
P3-405B-FC-2 Support Documentation
P3-405B-FC-2 Single Mode Patch Cable, 405 - 532 nm, FC/APC, 2 m Long
$102.00
Today
P3-405B-FC-5 Support Documentation
P3-405B-FC-5 Single Mode Patch Cable, 405 - 532 nm, FC/APC, 5 m Long
$116.28
Today
450 - 600 nm FC/APC Single Mode Patch Cables
Fiber Type Operating
Wavelengtha
Cutoff
Wavelengtha
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationb
NAConnectors Jacket
SM450 450 - 600 nm 400 -0/+50 nm 3.3 µm @ 488 nm
3.4 µm @ 514 nm
125 ± 1.0 µm 245 ± 15 µm <50 dB/km
@ 488 nm
0.10 - 0.14 FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Fiber is hand selected to ensure higher cutoff wavelength. For SM operation near the cutoff wavelength, launch conditions need to be taken into consideration.
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-460B-FC-1 Support Documentation
P3-460B-FC-1 Single Mode Patch Cable, 450 - 600 nm, FC/APC, 1 m Long
$91.80
Today
P3-460B-FC-2 Support Documentation
P3-460B-FC-2 Single Mode Patch Cable, 450 - 600 nm, FC/APC, 2 m Long
$98.94
Today
P3-460B-FC-5 Support Documentation
P3-460B-FC-5 Single Mode Patch Cable, 450 - 600 nm, FC/APC, 5 m Long
$116.28
Today
600 - 800 nm FC/APC Single Mode Patch Cables
Fiber TypeOperating
Wavelengtha
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationb
NAConnectorsJacket
SM600 600 - 800 nm 550 ± 50 nm 4.3 µm @ 633 nm
4.6 µm @ 680 nm
125 ± 1 µm 245 µm ± 5% 15 dB/km
@ 633 nm
0.10 -
0.14
FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • This fiber can be operated 100 nm above its cutoff wavelength. Wavelength range is illustrative and not guaranteed.
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-630A-FC-1 Support Documentation
P3-630A-FC-1 Single Mode Patch Cable, 600 - 800 nm, FC/APC, 1 m Long
$83.64
Today
P3-630A-FC-2 Support Documentation
P3-630A-FC-2 Single Mode Patch Cable, 600 - 800 nm, FC/APC, 2 m Long
$88.74
Today
P3-630A-FC-5 Support Documentation
P3-630A-FC-5 Single Mode Patch Cable, 600 - 800 nm, FC/APC, 5 m Long
$102.00
Today
780 - 970 nm FC/APC Single Mode Patch Cables
Fiber Type Operating
Wavelength
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationa
NAConnectors Jacket
780HP 780 - 970 nm 730 ± 30 nm 5.0 ± 0.5 µm
@ 850 nm
125 ± 1.5 µm 245 ± 15 µm 4 dB/km
@ 780 nm
0.13 FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-780A-FC-2 Support Documentation
P3-780A-FC-2 Customer Inspired! Single Mode Patch Cable, 780-970 nm, FC/APC, 2 m Long
$110.16
Today
P3-780A-FC-5 Support Documentation
P3-780A-FC-5 Customer Inspired! Single Mode Patch Cable, 780-970 nm, FC/APC, 5 m Long
$125.46
Today
830 nm FC/APC Single Mode Patch Cables
Fiber TypeOperating
Wavlengtha
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationb
NAConnectorsJacket
SM800-5.6-125 830 nm 730 ± 70 nm 5.6 µm @ 830 nm 125 ± 1 µm 245 µm ± 5% 5 dB/km
@ 830 nm
0.10 -
0.14
FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • This fiber can be operated 100 nm above its cutoff wavelength.
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-830A-FC-1 Support Documentation
P3-830A-FC-1 Single Mode Patch Cable, 830 nm, FC/APC, 1 m Long
$80.58
Today
P3-830A-FC-2 Support Documentation
P3-830A-FC-2 Single Mode Patch Cable, 830 nm, FC/APC, 2 m Long
$85.68
Today
P3-830A-FC-5 Support Documentation
P3-830A-FC-5 Single Mode Patch Cable, 830 nm, FC/APC, 5 m Long
$95.88
Today
970 - 1650 nm FC/APC Single Mode Patch Cables
Fiber TypeOperating
Wavelengtha
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationb
NAConnectorsJacket
SM980-5.8-125 970 - 1650 nm 870 - 970 nm 5.8 µm @ 980 nm
6.2 µm @ 1064 nm
10.4 µm @ 1550 nm
125 ± 1 µm 245 µm ± 5% 3 dB/km
@ 980 nm
0.14FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • The design wavelengths are 980 nm, 1064 nm, and 1550 nm. This fiber can typically be operated 200 nm above its cutoff wavelength. Wavelength range is illustrative and not guaranteed.
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-980A-FC-1 Support Documentation
P3-980A-FC-1 Single Mode Patch Cable, 970 - 1650 nm, FC/APC, 1 m Long
$81.60
Today
P3-980A-FC-2 Support Documentation
P3-980A-FC-2 Single Mode Patch Cable, 970 - 1650 nm, FC/APC, 2 m Long
$86.70
Today
P3-980A-FC-5 Support Documentation
P3-980A-FC-5 Single Mode Patch Cable, 970 - 1650 nm, FC/APC, 5 m Long
$97.92
Today
1260 - 1620 nm SMF-28e+ FC/APC Single Mode Patch Cables
Fiber TypeOperating
Wavelength
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationa
NAConnectorsJacket
SMF-28e+ 1260 - 1620 nm <1260 nm 9.2 ± 0.4 µm @ 1310 nm
10.5 ± 0.5 µm @ 1550 nm
125 ± 0.7 µm 245 ± 5 µm 0.35 dB/km @ 1310 nm
0.20 dB/km @ 1550 nm
0.14FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-SMF28E-FC-1 Support Documentation
P3-SMF28E-FC-1 Single Mode Fiber Patch Cable, 1 m, 1260 nm - 1620 nm, FC/APC
$58.90
Today
P3-SMF28E-FC-2 Support Documentation
P3-SMF28E-FC-2 Single Mode Fiber Patch Cable, 2 m, 1260 nm - 1620 nm, FC/APC
$59.60
Today
P3-SMF28E-FC-5 Support Documentation
P3-SMF28E-FC-5 Single Mode Fiber Patch Cable, 5 m, 1260 nm - 1620 nm, FC/APC
$60.80
Today
1460 - 1620 nm FC/APC Single Mode Patch Cables
Fiber Type Operating
Wavelength
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationa
NAConnectors Jacket
1550BHP 1460 - 1620 nm 1400 ± 50 nm 9.5 ± 0.5 µm
@ 1550 nm
125 ± 1.0 µm 250 ± 15 µm 0.5 dB/km
@ 1550 nm
0.13 FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-1550A-FC-1 Support Documentation
P3-1550A-FC-1 Single Mode Patch Cable, 1460-1620 nm, FC/APC, 1 m Long
$89.76
Today
P3-1550A-FC-2 Support Documentation
P3-1550A-FC-2 Single Mode Patch Cable, 1460-1620 nm, FC/APC, 2 m Long
$94.86
Today
P3-1550A-FC-5 Support Documentation
P3-1550A-FC-5 Single Mode Patch Cable, 1460-1620 nm, FC/APC, 5 m Long
$116.28
Today
1700 - 2100 nm FC/APC Single Mode Patch Cable
Fiber Type Operating
Wavelength
Cutoff
Wavelength
Mode Field
Diameter
Cladding
Diameter
Coating
Diameter
Max
Attenuationa
NAConnectors Jacket
SM2000 1700 - 2100 nm <1700 nm 13 µm 125 ± 1.0 µm 245 ± 10 µm 20 dB/km
@ 1900 nm
0.11 FC/APC 2.0 mm Narrow Key
30126A3
Ø3 mm
FT030-Y
  • Attenuation for SM2000 fiber is highly dependent on wavelength. Max attenuation data is for unterminated fiber.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
P3-2000-FC-2 Support Documentation
P3-2000-FC-2 Customer Inspired! Single Mode Patch Cable, 1700 - 2100 nm, FC/APC, 2 m Long
$107.10
Today
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