Fused Coupler, Single Window, Low Loss, C or L Band
FFCH Series
Key Features
• Broad wavelength coverage over multiple bands
• High-power handling
• Wide range of standard parts readily available
• Proven reliability
Applications
• Passive optical networks
• CATV
• Network expansion
• Fixed attenuation (select
configuration option 0)
The single-window fused coupler splits or combines light with high performance
over a wide bandwidth. These components are manufactured using a highly
automated process to achieve consistent quality and reliability.
These high-performance standard parts are available with a variety of tap ratios,
operating wavelengths, and housing and connector options, and can therefore be
specified in a wide range of applications, enabling rapid design cycles and new
project builds. Reliability is assured through qualification to Telcordia GR-1221.
Compliance
• Telcordia GR-1221
NORTH AMERICA
:
800 498-JDSU (5378)
WORLDWIDE
:
+800 5378-JDSU
WEBSITE
:
www.jdsu.com
FUSED COUPLER, SINGLE WINDOW, LOW LOSS, C OR L BAND,
FFCH SERIES
2
Dimensions Diagrams
Specifications in mm unless otherwise noted
1x2 Models, L-Package
1x2 Models, S-Package
Ф0.9
Ф3.56
2.0
54
3.0
70
Insertion Loss
Coupling
Ratio
Grade
Signal Path
Insertion
WDL
3
PDL
4
Loss
1,2
(Min./Max.) Max.
Max.
(dB)
(dB)
(dB)
NA/0.15
NA/0.18
NA/0.18
NA/0.20
NA/0.23
NA/0.28
NA/0.32
NA/0.40
NA/0.60
NA/0.70
NA/1.15
NA/1.25
NA/1.75
NA/1.85
NA/2.50
NA/2.60
2.8/3.20
2.7/3.40
0.03
0.05
0.03
0.05
0.03
0.05
0.03
0.05
0.05
0.06
0.08
0.10
0.10
0.14
0.10
0.15
0.10
0.15
0.03
0.05
0.03
0.05
0.03
0.05
0.03
0.05
0.04
0.06
0.05
0.07
0.06
0.08
0.07
0.09
0.08
0.10
TDL
5
Max.
(dB)
0.02
0.02
0.02
0.02
0.04
0.04
0.08
0.08
0.08
0.08
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
Tap Path
Insertion
WDL
3
PDL
4
Loss
1,2
(Min./Max.) Max.
Max.
(dB)
(dB)
(dB)
18.4/21.2
17.6/22.4
16.4/17.8
15.8/18.2
14.3/16.0
13.8/17.0
12.2/13.9
11.9/14.4
9.60/10.8
9.20/11.2
6.60/7.60
6.30/8.00
5.00/5.50
4.90/5.60
3.85/4.40
3.70/4.60
2.80/3.20
2.70/3.40
0.25
0.35
0.22
0.30
0.18
0.26
0.15
0.20
0.13
0.18
0.12
0.15
0.10
0.15
0.10
0.15
0.10
0.15
0.20
0.25
0.15
0.20
0.14
0.20
0.12
0.20
0.10
0.15
0.10
0.15
0.10
0.15
0.09
0.11
0.08
0.10
TDL
5
Max.
(dB)
0.20
0.20
0.15
0.15
0.15
0.15
0.15
0.15
0.13
0.13
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
1%
1%
2%
2%
3%
3%
5%
5%
10%
10%
20%
20%
30%
30%
40%
40%
50%
50%
1.
2.
3.
4.
5.
P
A
P
A
P
A
P
A
P
A
P
A
P
A
P
A
P
A
Tap ratio
≤
five percent, the Insertion Loss including WDL, PDL and TDL; Tap ratio > five percent, the Insertion Loss including WDL and PDL, not including TDL.
In 2x2 couplers with a coupling ratio of 20 percent or lower, insertion loss is not specified for launch through second input port (P4).
Change in insertion loss over the operating wavelength range.
Change in insertion loss over all input polarization states.
Change in insertion loss from –5 to 75°C. Guaranteed by design when tap ratio higher than five percent.
FUSED COUPLER, SINGLE WINDOW, LOW LOSS, C OR L BAND,
FFCH SERIES
Specifications
Parameter
Operating wavelength range
1
Return loss/directivity
Pigtail tensile load
Optical power handling
2
Operating temperature range
3
Storage temperature range
Environmental qualification
Package dimensions
S package (D x L)
L package (D x L)
H package (L x W x H)
1310 band
1295 to 1325 nm
Minimum
Maximum
Maximum
1480 band
C band
L band
1570 to 1605 nm
1465 to 1495 nm 1528 to 1563 nm
55 dB
5N
4W
-40 to 75°C
-40 to 85°C
Telcordia GR-1221
3.0 x 54 mm
3.6 x 70 mm
85 x 17.8 x 7.5 mm
1. For wavelength within ±5 nm of the specified range performance will be maintained for signal path insertion loss, PDL, TDL, directivity and return loss. The only parameters to increase will be tap
insertion loss and WDL. Maximum values of increase are:
Tap ratio = 1%, maximum tap insertion loss and WDL increase = 0.1 dB.
Tap ratio = 2 to 9%, maximum tap insertion loss and WDL increase = 0.07 dB.
Tap ratio = 10 to 50%, maximum tap insertion loss and WDL increase = 0.05 dB.
2. For 1x2 and 2x2 configurations.
3. TDL is specified from –5 to 75°C.
Ordering Information
For more information on this or other products and their availability, please contact your local JDSU account manager or
JDSU directly at 1-800-498-JDSU (5378) in North America and +800-5378-JDSU worldwide, or via e-mail at
SMF-28 is a registered trademark of Corning Incorporated. LC and ST are registered trademarks of Lucent Technologies. Telcordia is a registered trademark of Telcordia Technologies Incorporated.
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