Item

Standard Multimode Couplers(50:50)

Grade

P

A

Max Excess Loss 

dB

0.7

1.0

Uniformity (Max.) 

dB

0.7

1.0

Thermal Stability

dB

«0.2

«0.25

Polarization Sensitivity 

dB

0.10

0.15

Directivity

dB

»35

Reflectance

dB

»35

Operating Temperature

°C

-5~+70

Storage Temperature

°C

-40~+85

Coupling Ratio(%/%)

Insertion Loss(dB)

Premium

A Grade

50/50

3.9

4.3

40/60

4.9/3.0

5.4/3.5

30/70

6.2/2.3

6.7/2.7

20/80

8.0/1.8

8.7/2.1

10/90

11.3/1.25

12.2/1.6

5/95

14.9/0.9

16.2/1.3

1/99

22.1/0.7

22.7/1.0

Remarks:

1. Measured at room temperature and excludes connector loss.

2.  For devices with connectors insertion loss will be 0.3 dB higher.

3.  Test under LED Light Source

A

B

C

D

E

F/G

H/I

J/K

L

Type

Grade

Port

Wave

Length

Coupling Ratio 

Input/Output Pigtail

Type  

Input/Output Fiber Length  

Input/Output Connector

Package

Type

SW

P=Premium 

A=Grade A

102=1x2

202=2x2

85=850nm

X=Others

01=1%/

99%

02=2%/

98%

03=3%/

97%

……….

50=50%/

50%

0=250um Bare Fiber1=900um loose tube2=2.0mm loose tube

3=3.0mm loose tube

05=0.5M

……

10=1.0M

…….

15=1.5M

……

0=None

FU=FC/UPC

FA=FC/APC

SU=SC/UPC

SA=SC/APC

LU=LC/UPC

LA=LC/APC

ST=ST

X=Others

T8=Φ3.0x54 mm

T9=Φ3.0x60 mm

P1=90 x 20 x9.5mm ABS Plastic Case

X=Others