Mini-BNC Optical Fiber Connectors
OMB Series
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Features
1. JIS C 5978 Standard Compliant
These connectors are compliant with JIS C 5978 (F09-type simplex optical fiber connectors) and are also
compatible with Mini-BNC optical fiber connectors manufactured by Sumitomo Electric Industries, Ltd.
2. Bayonet Lock for Superb Coupling/Decoupling Operation
These connectors have a simple fastening system and use a bayonet lock for the fastening mechanism. The
coupling/decoupling operation is easy and secure which makes these connectors suitable for places where
there will be many cycles of coupling/decoupling and for equipment requiring high-density mounting.
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Applications
Optical fiber short-link systems, transfer systems within equipment, measuring instruments, etc.
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Function Diagrams
Plug
OMB-P1-F1B124,126,128
Adapter
OMB-PA1
Receptacle
OMB-R3.2
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Product Standards
Rating
Operating temperature range
-25˚C~70˚C
Storage temperature range
-25˚C~70˚C
Item
Insertion loss
Repetitive operation
Mechanical
Performance
Vibration resistance
Shock resistance
Temperature cycle
Environmental
Heat resistance
performance
Cold resistance
Test Method (JIS C 5961)
1,300nm wavelength (LED)
1,000 times
Vibration range of 10 to 55 Hz, in 3 directions,
3 hours each
Acceleration of 981 m/s
2
, in both directions
along 3 axes, 3 times each (Total of 18 times)
Temperature -25˚C to 70˚C 10 cycles
Leave for 960 hours at a temperature of 85˚C
Leave for 960 hours at a temperature of -25˚C
0.7 dB or less
Standard
1) Insertion loss fluctuation after test: 0.2 dB or less
2) No damage, cracks, or part looseness
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Materials and Processing
Part Name
Plug housing
Coil spring
Ferrule
Adapter housing
Precision spring
Receptacle housing
Brass
Stainless steel
Stainless steel + Alumina
Brass
Stainless steel
Brass
Nickel plating
Nickel plating
Material
Processing
Nickel plating
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Plugs
HRS No.
CL708-0001-1
CL708-0002-4
CL708-0003-7
Product Number
OMB-P1-F1B124
OMB-P1-F1B126
OMB-P1-F1B128
Suitable Cable Diameter Suitable Optical Fiber
ø3mm
GI-50/125
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Adapter
NOTE : The three-digit number at the end of the Product Number indicates the inside diameter
dimension (in
µm
units) of the ferrule.
Please match the fiber diameter in making a selection.
HRS No.
CL708-0004-0
Product Number
OMB-PA-1
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Receptacle
HRS No.
CL708-0005-2
Product Number
OMB-R3.2
Suitable Element Size
TO-18
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Connectors with Cable Attached
OMB-FP1-F1B-L (One end)
OMB-FP2-F1B-L (Both ends)
Product Number
OMB-FP2-F1B-L
OMB-FP1-F1B-L
Connector Mounting End
Both ends
One end
Optical Fiber Type of Polishing Cable Diameter
GI-50/125
Flat
ø3mm
NOTE : The "L" within the Product Number indicates the length of the cable illustrated in the
diagram. Please specify values in meter units.
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