{"product_id":"lc-apc-fixed-fiber-optic-attenuator","title":"LC\/APC Fixed Fiber Optic Attenuator | Single-Mode | 5, 10, 15 dB","description":"\u003cp\u003e\u003cstrong\u003eLC\/APC fixed fiber optic attenuator\u003c\/strong\u003e for single-mode links. Metal-ion doped attenuating fiber delivers flat, wavelength-stable attenuation at 1310\/1550 nm — unlike air-gap designs that drift with temperature and vibration. Drops receive power into the optimal window to prevent overload errors and protect receiver photodiodes.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOLT\/ONT receiver protection on short or hot links\u003c\/li\u003e\n\u003cli\u003ePON branch power balancing\u003c\/li\u003e\n\u003cli\u003eOTDR and power-meter calibration\u003c\/li\u003e\n\u003cli\u003eDWDM channel equalization and lab benches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable class=\"ct-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLC\/APC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Values\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 dB, 10 dB, 15 dB (1–30 dB to order)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5 dB (1–9 dB); ±1 dB (10–15 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Input Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhy Conversions Tech\u003c\/h3\u003e\u003cp\u003eEach unit is verified against its marked value before shipment, and our team can calculate the right dB value from your link budget. Values 1–30 dB and other connector styles available to order.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eWhen do I need a fiber optic attenuator?\u003c\/h4\u003e\u003cp\u003eWhen receive power is too high — short links, hot transmitters, or unbalanced PON branches. Fixed attenuators drop power to the receiver's optimal range, preventing overload errors and protecting the photodiode.\u003c\/p\u003e\u003ch4\u003eHow do I choose the attenuation value?\u003c\/h4\u003e\u003cp\u003eMeasure received power with a meter, compare against the receiver's specified input range, and select the dB value that centers you in that window. Common values are 5 dB for short metro links and 10–15 dB for lab and PON balancing. Our team can help you calculate it from your link budget.\u003c\/p\u003e\u003ch4\u003eWhy doped-fiber attenuators instead of air-gap?\u003c\/h4\u003e\u003cp\u003eMetal-ion doped attenuating fiber delivers flat, wavelength-stable attenuation at 1310\/1550 nm and does not drift with temperature or vibration the way air-gap designs can.\u003c\/p\u003e\u003cp class=\"ct-leadtime\"\u003e\u003cstrong\u003eLead Time:\u003c\/strong\u003e Made-to-order item. Typical lead time is 3–4 weeks from order confirmation. Call \u003cstrong\u003e(307) 206-0534\u003c\/strong\u003e for expedited or volume requirements, custom lengths, or connector combinations not listed.\u003c\/p\u003e\u003cp\u003eBrowse the complete line in our \u003ca href=\"\/collections\/fiber-optic-connectivity\"\u003eFiber Optic Connectivity collection\u003c\/a\u003e or download the full \u003ca href=\"\/pages\/catalogs\"\u003eCT-31 Fiber Optic Catalog\u003c\/a\u003e.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"When do I need a fiber optic attenuator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"When receive power is too high — short links, hot transmitters, or unbalanced PON branches. Fixed attenuators drop power to the receiver's optimal range, preventing overload errors and protecting the photodiode.\"}}, {\"@type\": \"Question\", \"name\": \"How do I choose the attenuation value?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Measure received power with a meter, compare against the receiver's specified input range, and select the dB value that centers you in that window. Common values are 5 dB for short metro links and 10-15 dB for lab and PON balancing.\"}}, {\"@type\": \"Question\", \"name\": \"Why doped-fiber attenuators instead of air-gap?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Metal-ion doped attenuating fiber delivers flat, wavelength-stable attenuation at 1310\/1550 nm and does not drift with temperature or vibration the way air-gap designs can.\"}}]}\u003c\/script\u003e","brand":"Conversions Tech","offers":[{"title":"5 dB","offer_id":48079285551156,"sku":"CT-FAT-LCA-05","price":2.76,"currency_code":"USD","in_stock":true},{"title":"10 dB","offer_id":48079285583924,"sku":"CT-FAT-LCA-10","price":2.76,"currency_code":"USD","in_stock":true},{"title":"15 dB","offer_id":48079285616692,"sku":"CT-FAT-LCA-15","price":2.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/8445\/8804\/files\/lc-apc-fixed-fiber-optic-attenuator-single-mode-5-10-15-db-1251625150.jpg?v=1785447853","url":"https:\/\/conversionstech.com\/products\/lc-apc-fixed-fiber-optic-attenuator","provider":"Conversions Tech","version":"1.0","type":"link"}