In-Line Fixed Attenuators are mainly used for adjusting the Optical Power to a desired level. We manufacture our attenuators with various specifications such as different connector types or end face configurations. The Attenuation Level in dB ranges from 0dB to 25 dB at intervals of 0.5 dB.
| Features | Applications |
| · Low Insertion Loss & PDL
· High Return Loss · High Stability & Reliability · Low Cost · Epoxy Free Optical Path · PC Board Mountable |
· Optical Power Control and Equalization in Multi-Channel Systems
· Telecommunication Systems · CATV · WDM Systems · FTTx · Fiber Optic Instruments |
Performance Specifications
| Parameter | value | ||
| Center Wavelength | nm | 980,1064, 1310, 1550, 2000 | |
| Operating Wavelength Range | nm | ±20 | |
| Attenuate Precision | 0dB~10dB | dB | ±1.0dB |
| 11dB~25dB | ±1.5dB | ||
| Min. Return loss | dB | 50 | |
| Max. PDL | dB | 0.2 | |
| Max. Power Handling | mW | 500 | |
| Max. Tensile Load | N | 5 | |
| Fiber type | – | SMF fiber(HI1060,SMF-28e) | |
| Operating temperature | ℃ | 0 ~ +70 | |
| Operating temperature | ℃ | -40 ~ +85 | |
| Dimensions | mm | 3.0×54(for bare fiber/0.9mm tube) | |
| mm | 90x20x10(for 2.0mm/3.0mm tube) | ||
- Above specifications are for device without connector.
2. For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower. The default connector key is aligned to slow axis. Power transmits through the connector less than 2W.
Order information P/N: ILA-①-②-③-④-⑤-⑥
When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better. If need any connector, we do not recommend choosing a 250μm bare fiber pigtail.
| ① | ② | ③ | ④ | ⑤ | ⑥ |
| wavelength | Attenuate Value | Fiber Type | Pigtails Diameter | Fiber Length | Connector |
| 98: 980nm
64:1064nm 13:1310nm 15:1550nm XX: Others |
20:20dB
15:15dB 10:10dB 05:5dB 03:3dB |
1: SMF-28 fiber
2: HI1060 fiber X:Others |
90:900μm
20:2.0mm 30:3.0mm XX: Others |
08:0.8m
10:1.0m XX: Others |
00:None
FP: FC/PC FA: FC/APC SP: SC/PC SA: SC/APC XX: Others |
Part Number Example: ILA-15-P-1-90-10-FA
Description: 1550nm In-Line Fixed Attenuators, 10dB Attenuate Value, 1.0m SMF-28e fiber with 0.9mm OD loose tube, and FC/APC connectors at all ports.
Ordering Information for Custom Parts
If you need to customize other specifications, please provide detailed description for your requirement.
Request a quote
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