FBT Coupler

Wavelength:

Type:

Fiber type:

Package:

The 1X2/2X2 mini size FBT is designed for the compact optical modules and communication systems. The Dual window coupler has the same coupling ratio on both 1310nm and 1550nm communication windows, and with low excess loss and low PDL.Dual window couplers are widely used for communication systems, CATV, and FTTH
Order information
(FBT+8 Code+2 Serial Number) FBT (FBT Coupler) PN:FBT-XXXXXXXX-XX

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Specifications

Parameters

Grade P

Grade A

Operating Wavelength(nm)

1310 &1550

Operating Bandwidth(nm)

+/-40

Typcal Excess Loss(dB)

≤0.07

≤0.1

PDL(dB)

≤0.15

≤0.2

Return Loss(dB)

50

Directivity(dB)

50

Max Optical Power(mW)

500 

Operating Temperature()

-40~+85

Storage Temperature()

-40~+85

Splitting Ratio Tolerance

Splitting Ratio

Insertion Loss(dB)

50/50

3.6

3.8

45/55

4.2/3.2

4.4/3.4

40/60

4.7/2.7

4.9/2.9

35/65

5.4/2.4

5.7/2.6

33/67

5.7/2.2

6.0/2.4

30/70

6.0/1.9

6.3/2.1

25/75

7.0/1.7

7.3/1.9

20/80

7.9/1.3

8.4/1.4

15/85

9.5/1.0

10.0/1.2

10/90

9.2~11.2/0.75

8.80~11.40/0.8

5/95

12.05~14.15/0.4

11.60~14.60/0.5

3/97

14.1~16.5/0.35

13.60~17.05/0.45

2/98

15.75~18.45/0.3

15.15~19.00/0.4

1/99

18.6~21.6/0.25

17.95~22.25/0.35

*Notes: 1.Insertion Loss tested without connector.

 

Package Information

Configuration

1x2 or 2x2

Fiber Length

1m , or others on request

Fiber Type

SM fiber

Pigtail Type

250um bare fiber/900um loose tube

Dimensinons(mm)

Ø2.4xL25

Packaging pictures
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