Fiber Optical Attenuator LC/APC Male-Female Fixed Flanged Type 5dB Model: Fiber-Attenuator-LC/APC-5dB

Fiber Optical Attenuator is a passive device used to reduce the power level of an optical signal. Fiber Optical Attenuator offers low return loss, high mode stability. Fiber Optical Attenuator is easy to connect patch cables and other equipment. Do not hesitate to contact us with any questions or if you are looking for a quality fiber optic attenuator. We will be happy to help!

  • Model: Fiber-Attenuator-LC/APC-5dB
  • Fiber Connector: LC
  • Ferrule Type: Zirconia Ceramic
  • Connector Gender: Fixed Male to Female
  • Transfer Mode: SM/MM
  • Attenuation: 1~30dB
  • Operating Wavelength(nm): 1260~1620(SM),850(MM)
  • Attenuation Accuracy: 1-9dB±0.5dB, 10-25dB±10%
  • Return Loss: ≥45dB
  • Polarization Dependent Loss: ≤0.2dB
  • Max Optical Input Power: 200mW
  • Humidity: 95%RH
  • Operating Temperature Range: -40~80°C
  • Storage Temperature Range: -40~85°C

Something about Fiber-Attenuator-LC/APC-5dB optic attenuator you need to know

Fiber Optical Attenuator is mainly used in fiber optic to debug optical power performance & optical instrument calibration correction & fiber signal attenuation to ensure the optical power in a stable and desired level in the link without any changes on its original transmission wave.

Name Fiber Optical Attenuator LC/APC Male-Female Fixed Flanged Type 5dB
Fiber Connector LC
Ferrule Type Zirconia Ceramic
Connector Gender Fixed Male to Female
Transfer Mode SM/MM
Attenuation 1~30dB
Operating Wavelength(nm) 1260~1620(SM),850(MM)
Attenuation Accuracy 1-9dB±0.5dB, 10-25dB±10%
Return Loss ≥45dB
Polarization Dependent Loss ≤0.2dB
Max Optical Input Power 200mW
Humidity 95%RH
Operating Temperature Range -40~80°C
Storage Temperature Range -40~85°C


1. Stable Attenuation
2. Fast Connection: Distinctive male-female port, easy to connect patch cables and other equipment.
3. Flexible case for easy portability: Accurate size armed with elegant dust cap, better ensure the handy installation and protection from out-service.
4. Durable plastic shell for permanent protection.


Attenuator Fiber Optic is a passive device used to reduce the power level of an optical signal. Attenuator Fiber Optic is generally used in single-mode long-haul applications to prevent optical overload at the receiver.

Attenuator Fiber Optic is widely used in CWDM&DWDM, CATV systems, data center networks, test equipment, and other high power applications.

Fully introduction of Bwinners fiber optic cable attenuator

What is a fiber optic attenuator?

A fiber optic attenuator is a device that reduces the level of light intensity in optical fiber cables. It’s used to fine-tune power levels so that signals are received without distortion or noise as they travel along fiber optic cables.

By adding a fiber optic attenuator, it allows attenuation in optical fiber and balances power distribution levels enabling data signals to be sent over longer distances without degradation.

Essentially, fiber optic attenuators help ensure proper levels of signal transmission. Deployed in different networking applications, fiber optics attenuators play a key role in keeping fiber networks running smoothly and efficiently.

Bwinners provides quality telecom-grade fiber optic attenuators for fiber optic networks, with features of low insertion loss, high return loss, good interchangeability, good repeatability, and good mechanical stability. Our products are widely used in mobile, telecommunications, Unicom, Tietong, radio and television, electric power, traffic, and other fiber optic network integrated wiring, and by the majority of users consistent praise.

What is a fiber optic attenuator

Structure of fiber optic attenuator

A fiber optic cable attenuator is a device used to reduce the power of an optical signal. It typically consists of a length of the fiber, a connector, and two adjustable components: an inline variable attenuator and/or an optical tap.

The inline variable attenuator is used to reduce the overall power level of the transmitted signal while the optical tap can be adjusted to allow only a fraction of the total signal to pass through. Both components are essential for providing the desired amount of power reduction.

Structure of fiber optic attenuator

The fiber optic attenuator serves as a special component to regulate the power of the fiber optical system by carrying out an accurate control of losses and attenuation in optical fiber.

Zirconia Ceramic for fiber optic attenuator

The fiber optic cable attenuator has a simple and compact structure, making it easy to install in fiber systems without any complicated operations.

It is designed to be both user-friendly and affordable, offering significant cost-saving benefits over integrated fiber systems.

Not only does it reduce the cost of procurement for fiber optics systems, but its simple structure and straightforward installation also make setup time significantly faster than other fiber products.

Last but not least, fiber optic attenuators come with years of proven reliability and durability that make them a popular choice when looking for exclusive cost-efficiency benefits.

Types of fiber optic attenuator

There are several types of fiber optic attenuators, including fixed, programmable, and fused. Fixed attenuators are designed to reduce the optical power at a single wavelength. Programmable attenuators allow the user to adjust the level of signal reduction across a variety of wavelengths. Fused attenuators use two or more optical fibers that are sealed together to create a fixed level of signal reduction.

Bwinner provides these types of fiber optic attenuators based on the connector:
• SC APC fiber optic attenuator

• SC UPC fiber optic attenuator

• LC APC fiber optic attenuator

• LC UPC fiber optic attenuator

Types of fiber optic attenuator

Advantages of fiber optic attenuator

Fiber optic attenuators offer several advantages, including precise signal reduction with minimal distortion, low insertion loss and high signal stability.

They are also easy to install and can easily be adjusted to accommodate changing requirements.

Additionally, they are more energy efficient than other types of attenuation because they use light instead of electricity to reduce the power level.

Finally, fiber optic attenuators provide a clean signal that is free from interference or noise.

Bwinners fiber optic attenuator has below advantages:

1. High return loss
2. Good interchangeability
3. Good repeatability
4. Good mechanical stability
5. Telecom grade
6. High durability, good abrasion resistance, high efficiency, stable and durable
7. High-temperature resistance

• Accuracy alignment, good interpolation

The number of insertions and extraction is more than 1000 times, good flame retardant, high and low-temperature resistance, 94-VO high-temperature resistance and environmental protection, in line with ROHS environmental requirements, high impact strength

• Even transmission stability
High-quality ceramic core, uniform transmission of optical signals, strong environmental stability

• Good isolation effect
Can effectively suppress noise, eliminate interference, so that the signal site and the main control side in electrical isolation, avoiding accidental damage to the main console.

What is fiber optic attenuator used for

A fiber optic attenuator is an important tool used in fiber optic communication systems. It is used to reduce the power of a fiber optic signal in order to protect it from over-amplification, and it also helps to control optical power levels for equal data transmission across multiple link segments.

The fiber optic attenuator also works to prevent fiber from saturating or damaging by excess energy, as well as balancing fiber optic network levels when jumpers or connectors are added or removed.

Furthermore, fiber optics attenuation loss occurs naturally due to normal insertion or absorption, and a fiber optics attenuator can be used to compensate for this by artificially increasing the cable’s loss characteristics at predetermined points along its length.


Fiber optic attenuators are essential components in many modern systems, and they have a variety of applications.

fiber optic attenuator used for communication project

Widely used in fiber optic ODF wiring frame, fiber optic communication system, fiber optic communication room, fiber optic broadband access network, fiber optic CATV instrumentation, fiber optic LAN, etc., with stable and reliable performance.

Appication of fiber optic cable attenuator

They can be used to reduce the amount of signal power on optical fibers, allowing the transmission systems to properly operate without any distortion or signal loss.

Fiber optic attenuators are also used in high-power laser systems, where they help prevent overdriving of the lasers by reducing their power levels. Additionally, fiber optic attenuators are commonly employed for testing purposes to accurately measure signal strength and ensure consistent performance.

Finally, these devices can be utilized in medical applications such as endoscopy and retinal imaging, where they help to provide more precise control of the light source.

Why Bwinners fiber optic attenuator

Bwinners expert in fiber attenuators for fiber optic communication projects at a competitive price to USA, UK, France, Argentina, Ecuador, Mexico, Chile, Germany, Brazil, Czech Republic, Saudi Arabia, Spain, Portugal, etc.

Our good products quality helps us get some loyal customers in these years.

Due to the support of our fiber optic customers, Bwinners lives in the fiber optic industry and expands our business worldwide from year to year. We are committed to providing the best fiber optic product and best service to our customers, to be the strong support behind them.

For more than a decade, our fiber optic products have become an integral part of mobile telecoms and energy networks around the world.

Customers are consistently pleased with its high-quality performance thanks to their dedicated technical team which ensure stringent ISO9001:2008-level standards are met. As well as providing reliable service, they strive for excellence in every aspect – from integrity and innovation to honesty and enterprise!

Manufacturing of B winners fiber attenuator

Bwinners manufactures and supplies variable fiber optic attenuators for optic communication systems and other communication projects, we have our factory produce the fiber optic attenuators. According to your requirements, we can provide you 1db-20db fiber optic attenuators, quality assurance and fast delivery are available.

Package of fiber attenuator

We always package the fiber optical attenuator by hard cartoon, if you have specialized requirement for the package, we also can provide this service.

fiber attenuator package Package of fiber attenuator