Description

Technical Parameters

Product description

The 3 Port CWDM Filter CWDM ITU Passive Component adopts a compact packaging, small size, and is suitable for installation and integration in limited space. It has the characteristics of low insertion loss, high channel isolation, low polarization related loss, and good wavelength selectivity. The ITU CWDM standard defines a fixed set of wavelength channels, usually in the range of 1270-1610nm, which can select specific wavelengths for optical multiplexing and demultiplexing. It can provide effective optical signal transmission and management in optical transmission and optical network applications.

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Product Specifications

Wavelength	1270nm~1610nm (ITU)	Channel spacing	20 nm ITU grids
Passband	≥+/-7.5dB	Technology	TFF (Thin Film Filter)
Passband ripple	≤0.30dB	IL @ Passband	≤0.60dB
Reflection band ripple	≤0.20dB	IL @ Reflection	≤0.40dB
Transmission isolation (adj channel)	≥30dB	Transmission isolation (non-adj channel)	≥50dB
Reflection isolation	≥15dB	Polarization dependent loss	≤0.1dB
Polarization mode dispersion	≤0.2ps	Thermal Stability	≤0.005N
Directivity	≥50dB	Return loss	≥45dB
Optical power handling	≤500mW	Temperature	Operating -40 to 85°C Storage -40 to 85°C
Fiber type	SMF-28e	Package dimension	5.5 x 34

Note.
1) All the specifications are based on the devices without connectors, and guaranteed over wavelength, polarization and temperature.
2) PMD and chromatic dispersion values are guaranteed by design.
3) Specifications are subject to change without notice.

Ordering Information

RD-C	- Package	-Connector Type	U/A	-Channel Plan	-Fiber Type	-Fiber Length
	S: Steel	0: No connector	U: UPC	27: 1270	25: 250um Fiber	005: 0.5+/-0.1m
	G:Glass	1: LC	A: APC	29: 1290	90: 900um Fiber	01: 1.0+/-0.1m
		2: SC		31: 1310		others
		3: FC		others
		4: Others

Example: RD-CS1U-27-2505: 3Port CWDM 1270 LC/UPC 250um 0.5M Fiber Steel.

FAQ

Q: What is a 3 Port CWDM Filter?

A: 3 Port CWDM Filter is a passive optical component that allows multiple wavelengths of light to be transmitted through a single optical fiber. It achieves this by using different wavelengths of light to carry different signals.

Q: What is the maximum number of channels that a CWDM filter can support?

A: A CWDM filter can support up to 18 channels.

Q: Is it possible to integrate CWDM Filters with other optical components?

A: Yes, CWDM Filters can be easily integrated into an existing fiber optic network and can be used in conjunction with other optical components such as amplifiers and attenuators.