FIXED ATTENUATORS
NCI's fixed attenuators are shaped like washers and are fitted at the light source. The mated connectors are spaced causing attenuation.
Fixed attenuators can be placed on more than one mated location thereby increasing total attenuation. Each colored attenuator is a different
width so each one has different dB values. The table shows typical loss but specific loss is not set because it varies depending on different
conditions. NCI's fixed attenuators are sold individually or in packs. Packets of 5 different widths are available, so you can find out what size
you need. After you have the right width, you order just the width you need in packs or individually.

Type Qty. Color Part # Ref # Price
ST 5 pack 1 each color 540921 A450 $ 9.95
ST 10 pack Your Choice 540923 A450-20 $17.90
SMA 5 pack 1 each color 540925 A40D $ 9.95
SMA 10 pack Your Choice 540927 A40D-20 $17.90
FDDI 10 pack 2 each color 540929 A450-FDDI $19.95
Typical Attenuation
Color 850nm 1300nm
Silver 6.0 dB 11.7 dB
Gold 5.5 dB 11.3 dB
Green 4.8 dB 10.2 dB
Blue 3.6 dB 9.1 dB
Red 2.5 dB 7.4 dB
Individual Fixed Attenuators
Color ST Part# SMA Part# FDDI Part # Price
Silver 410724 410734 410744 $ 2.00
Gold 410730 410740 410750 $ 2.00
Green 410728 410738 410748 $ 2.00
Blue 410726 410736 410746 $ 2.00
Red 410732 410742 410752 $ 2.00

 

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