1940nm SM Fixed In-line Optical Attenuator

Wavelength: 1940nm

Fiber Type: SMF-28e or SM 1950 Fiber

Max. Optical Attenuation Value: 40dB

1940nm SM Fixed In-line Optical Attenuator
      1940nm SM Fixed In-line Optical Attenuator is a fiber component which can attenuate the optical power with a fixed
attenuation value, the attenuation value can be up to 40dB, it's widely used in optical power testing system, fiber line 
protection and optical power monitoring field. High power type is available upon request.
Application: Features:
Optical Power Monitoring
Fiber Line Protection
Testing System
Lab And Research
Low Excess Loss
High Power
High Attenuation
High Realibility
Specification:
Parameter Symbol Value Unit
Center Wavelength λ 1940 nm
Bandwidth BW ±10 nm
Typ. Excess Loss EL 0.3 dB
Max. Excess Loss EL 0.5 dB
Attenuation and Tolerance 1±0.1, 2±0.2, 3±0.3, 5±0.7, 10±1.0, 
15±1.8, 20±2.5, 30±3.0, or customized
dB
Max. Optical Power (CW) P 2 W
Max. Tensil Load 5 N
Fiber Type SMF-28e or SM 1950 fiber -
Operating Temperature T -40~85
Storage Temperature T -40~85
Package Dimension Φ3.0×L54 mm
Notice: Above specifications are tested at center wavelength without connector in room temperature @23
             For devices with connectors, EL will be 0.2dB higher. Connectors only 1W CW optical power guarantee.
Drawing:
Ordering Information (Part Number):
 SMFIA-WWWW-PP-AA-FF-J-LL-CC
 WWWW  PP  AA  FF  J  LL  CC
 Wavelength  Port  Attenuation  Fiber Type  Fiber Jacket  Fiber Length  Connector 
 1940 - 1940nm  11 - 1x1  01 - 1dB  S1 - SM 1950  B - 250um Bare Fiber  05 - 0.5m  NE - None
 1950 - 1950nm  02 - 2dB  S2 - SMF-28e  9 - 900um Loose Tube       10 - 1.0m  FA - FC/APC
 2000 - 2000nm  03 - 3dB  SS - Specify  15 - 1.5m  FU - FC/UPC
 2050 - 2050nm  05 - 5dB  20 - 2.0m  SA - SC/APC
 10 - 10dB  SS - Specify      SU - SU/APC
 15 - 15dB  LA - LC/APC
 20 - 20dB  LU - LC/UPC

 30 - 30dB

 40 - 40dB

 SS - Specify
 SS - Specify

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