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The LC connector is small. You use it for connecting fiber optic cables. Its latch resembles a smaller Registered Jack 45. Core diameter measures 9 micrometers. Cladding diameter is around 125 micrometers. Ferrule outside diameter measures 1.25 millimeters.
It can handle wavelengths of 1310 nanometers. Maximum insertion loss reaches 0.10 decibels. It meets Telecordia GR-326 standards. Fiber sizes are 50/125 multimode. Return loss is greater than 20 decibels.
It functions in temperatures from minus 40 degrees Celsius. Cycle durability is greater than 500 mating cycles. The housing material is a thermoplastic polymer. Minimum cable retention is 7.4 Newtons.
Ferrule end-face geometry is convex. Cable jacket sizes are up to 3.0 millimeters. Polishing types include Ultra Physical Contact. Alignment sleeve material is zirconia ceramic. Optical mode is single-mode. Mating mechanism is push-pull.
You can expect precise measurements using an interferometer. Your fiber’s end face is tested with 0.05-micron resolution. 9.5 microns is the core size for single-mode operation. These LC Connectors have a radius of curvature between 7 millimeters and 25 millimeters. The apex offset is below 50 microns. Fiber undercut is less than 50 nanometers, which is important. Fiber protrusion values are within 100 nanometers, ensuring performance.
Optical attenuation is critical for signal quality. Different wavelengths have different levels of loss with these LC connectors. These LC connectors maintain an attenuation coefficient below 0.35 dB per kilometer at 1310 nanometers. They exhibit less than 0.22 dB per kilometer at 1550 nanometers. Chromatic dispersion is near 18 ps per (nm*km) at 1550 nanometers.
Back reflection must be minimal. You get improved performance with LC Connectors. APC polish connectors exhibit higher than 65 dB return loss. UPC variants offer above 55 dB. This is due to precise 8-degree angle cleaves. It uses a small amount of gel. Its refractive index is 1.46.
The Mode Field Diameter determines your light-carrying capacity. MFD is 9.2 microns at 1310 nanometers. The concentricity error is below 0.5 microns. Cladding non-circularity is less than 1 percent. It is critical for system efficiency. You will see these LC Connectors are within tolerances.
What’s important is polarization management. You can depend on these LC Connectors. These products show an extinction ratio exceeding 20 dB. Crosstalk is minimized to less than -30 dB. PMD coefficients are below 0.1 ps/sqrt(km). It uses a birefringent fiber. These LC connectors have a beat length of over 10 kilometers.
| Specification | LC UPC Connector | LC APC Connector | Common Parameter | Tolerance/Range | Industry Standard |
| Insertion Loss (dB) | ≤ 0.20 | ≤ 0.20 | Typical: 0.10 | ± 0.05 | TIA-568-C.3 |
| Return Loss (dB) | ≥ 50 | ≥ 60 | Min: 50 (UPC), 60 (APC) | Min. Value | IEC 61753-1 |
| Ferrule Diameter (mm) | 1.249 | 1.249 | Nominal: 1.25 | ± 0.0005 | IEC 61754-20 |
| Polish Angle (degrees) | 0 (Flat) | 8 | End-face Geometry | ± 0.2 | Telcordia GR-326 |
| Operating Wavelength (nm) | 1310, 1550 | 1310, 1550, 1625 | 1260-1650 | Operational Bands | ITU-T G.652.D |
| Mating Durability (cycles) | ≥ 500 | ≥ 500 | Min: 500, Max: 1000 | Design Life | IEC 61300-2-2 |
| Fiber Type Compatibility | SMF (G.652, G.657), MMF (OM1, OM2, OM3, OM4, OM5) | SMF (G.652, G.657) | SMF, MMF | Fiber Modes | ITU-T |
You can easily mate LC Connectors due to the key. It uses a push-pull design. The keying feature makes precise alignment possible. It provides 1 degree of rotational alignment accuracy. The insertion force is less than 10 Newtons. The withdrawal force is 5 Newtons. The mechanism is rated for 1000 cycles. It uses a latch. It has a retention force of 25 Newtons.
The boot protects the LC Connector from stress. Polybutylene terephthalate is the material of this component. It provides a bending radius of 20 millimeters. It can endure temperatures from negative 40 degrees Celsius to 75. The boot length is 15 millimeters. It holds 0.9mm, 2 mm or 3 mm diameter cables. The boot's pull-out force is 4.9 Newtons. It uses a crimp ring.
The LC Connector housing is compact. Polyetherimide is a durable material for this. It measures 8.8 millimeters in height. The width is 9.3 millimeters. The length, excluding the boot, is 49.6 millimeters. These housings comply with IEC 61754-20 standards. It is due to precise manufacturing. The duplex clip spacing is 6.25 millimeters. The housing provides a flammability rating of UL94 V-0.
Your LC Connector has a dependable latch. This component guarantees secured connections. The latch engages with 0.8 Newtons of force. It disengages with 0.4 Newtons. The component is made of stainless steel. It has a tensile strength of 500 megapascals. The latch is designed for 500 cycles. It features a tab. This part measures 1.5 millimeters in width. It provides an audible click.
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