shenzhenYB FBT1X4 FBT1X4 Coupler
产品简介
FBT optical coupler Applications : Optical fiber test system Telecommunication system Luminous power feedback Applications Features : Low Excess Loss High directivity Extremely good stability and
产品详细信息
	FBT optical coupler  Performance Specification 
| 
					 
						Coupling ratio
					 
				 | 
				
					 | 
				
					 
						25:25:25;25
					 
				 | 
			|
| 
					 
						Operating wavelength
					 
				 | 
				
					 
						nm
					 
				 | 
				
					 
						1310 / 1550±40
					 
				 | 
			|
| 
					 
						Port numbers
					 
				 | 
				
					 | 
				
					 
						1×4
					 
				 | 
			|
| 
					 
						Grade
					 
				 | 
				
					 | 
				
					 
						P
					 
				 | 
				
					 
						A
					 
				 | 
			
| 
					 
						Excess loss
					 
				 | 
				
					 
						dB
					 
				 | 
				
					 
						0.40
					 
				 | 
				
					 
						0.60
					 
				 | 
			
| 
					 
						Max insertion loss
					 
				 | 
				
					 
						dB
					 
				 | 
				
					 
						7.5
					 
				 | 
				
					 
						7.9
					 
				 | 
			
| 
					 
						Max polarization dependent loss
					 
				 | 
				
					 
						dB
					 
				 | 
				
					 
						0.25
					 
				 | 
				
					 
						0.30
					 
				 | 
			
| 
					 
						Max uniformity
					 
				 | 
				
					 
						dB
					 
				 | 
				
					 
						1.4
					 
				 | 
				
					 
						2.0
					 
				 | 
			
| 
					 
						Mini return loss
					 
				 | 
				
					 
						dB
					 
				 | 
				
					 
						55
					 
				 | 
			|
| 
					 
						Operating temperature
					 
				 | 
				
					 
						℃
					 
				 | 
				
					 
						-10~+70
					 
				 | 
			|
| 
					 
						Storage temperature
					 
				 | 
				
					 
						℃
					 
				 | 
				
					 
						-40~+85
					 
				 | 
			|
| 
					 
						Dimensions
					 
				 | 
				
					 
						mm
					 
				 | 
				
					 
						B=Φ3×60 for bare fiber
					 
				 | 
			|
| 
					 | 
				
					 
						L=Φ3.5×70 for 900um loose tuber
					 
				 | 
			||
            
                
                        
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