Single Mode Coupler 1x3 1x4
CAT0602 REV02  
1xN Monolithic Single Mode Fused Coupler (FSMC,FWBC, DWFC, TWFC)  
Features  
Low insertion loss  
Low PDL  
High stability and reliability  
Application:  
Fiber Communication/Access Network  
Fiber Sensor  
Fiber Laser  
Specifications:  
Type  
1x3 FSMC  
1310 or 1550 or1650  
+/-15  
3X3 FSMC  
1X3 FWBC  
3X3 FWBC  
1X3 DWFC  
1310&1550  
+/-40  
Parameter  
Operating Center  
wavelength (nm)  
1310 or 1550  
+/-40  
Operating bandwidth  
(nm)  
Grade  
Typical excess loss (dB)  
Insertion loss(dB)  
PDL(dB)  
P
A
P
A
P
A
P
A
P
A
0.1  
0.15  
≤5.7  
≤0.25  
≤1.2  
0.1  
0.15  
≤5.8  
≤0.30  
≤1.4  
0.1  
≤5.6  
≤0.20  
≤1.0  
0.15  
≤6.0  
≤0.25  
≤1.4  
0.1  
≤5.8  
≤0.25  
≤1.3  
0.15  
≤6.2  
0.1  
≤5.8  
≤0.25  
≤1.2  
0.15  
≤6.2  
≤0.30  
≤1.5  
≤5.4  
≤0.20  
≤0.80  
≤5.6  
≤0.25  
≤1.0  
≤0.30  
≤1.6  
Uniformity(dB)  
Directivity (dB)  
≥55  
-40 ~ +85  
Operating temperature  
()  
Type  
1X4 FSMC  
1X4 FWBC  
1X4DWFC  
1X4TWFC  
parameter  
Normal size  
Mini Size  
Normal size  
Mini Size  
Normal size  
Mini Size  
Normal size  
Mini Size  
Operating  
CW (nm)  
Operating  
bandwidth  
(nm)  
1310 or 1550  
1310 &1550  
1310 &1490&1550  
1310  
+/-15  
+/-40  
+/-40  
+/-40&1490+/-10&1550+/-40  
Grade  
P
A
P
A
P
A
P
A
P
A
P
A
P
A
P
A
Typical excess  
loss (dB)  
Insertion  
0.15  
0.25  
≤7.4  
0.15  
0.25  
0.2  
0.3  
0.2  
0.3  
0.3  
0.4  
0.3  
0.4  
0.3  
0.4  
0.3  
0.4  
≤7.0  
≤7.2  
≤7.5  
≤7.1  
≤7.4  
≤7.2  
≤7.5  
≤7.2  
≤7.5  
≤7.3  
≤7.7  
≤7.2  
≤7.5  
≤7.3  
≤7.7  
loss(dB)  
PDL(dB)  
Uniformity(dB)  
Directivity  
(dB)  
≤0.20 ≤0.25 ≤0.25 ≤0.35 ≤0.20  
≤1.0 ≤1.4 ≤1.2 ≤1.5 ≤1.2  
≤0.25 ≤0.25 ≤0.35 ≤0.25 ≤0.30 ≤0.25 ≤0.35 ≤0.25  
≤1.6 ≤1.4 ≤1.8 ≤1.4 ≤1.8 ≤1.5 ≤2.0 ≤1.4  
≤0.30 ≤0.25 ≤0.35  
≤1.8 ≤1.5 ≤2.0  
≥55  
Operating  
temperature  
()  
-40 ~ +85  
*The above spec.is for device without connector.  
Package Information  
Configuration  
Fiber length  
Fiber Type  
1x3 or 3x3  
1x4  
1m, others on request  
SMF-28e or YOFC RC80 SM155  
φ3.0×L54  
Normal  
250μm  
size  
Mini  
Size  
bare  
fiber  
Dimensions(φ×L )(mm)  
Φ3×L40;φ3.0×L35;φ2.4×L30  
900um loose  
tube  
Φ3.0×L60  
mar  
k
et@acfiber.com  
CAT0602 REV02  
1xN Monolithic Single Mode Fused Coupler (FSMC,FWBC, DWFC, TWFC)  
Ordering Information  
Produc  
t
FSMC 31=1310  
FWBC 55=1550  
DWFC 35=1310/1  
TWFC 550  
Grad  
e
P=P  
Pigtail  
Type  
0=250um  
bare fiber  
1=900um  
loose  
tube  
4=RC  
80um  
Bare  
Wavelength  
Port  
CR  
Package  
Fiber  
0
Length Connector  
H=0.5 0=None  
3=1x3 E=E  
1=φ3.0×L54  
2=φ3.0xL40  
3=φ3.0XL60  
4=φ3.0×L35  
5=φ2.4×L30  
6=φ4.0×L65  
7=φ2.4×L25  
S=Other  
0=S  
MF-2  
8e  
7=  
RC8  
0
4=1x4 VEN A=A  
6=3x3  
m
1=FC/UPC  
2=FC/APC  
3=SC/APC  
4=SC/UPC  
5=ST/PC  
6=LC/PC  
7=LC/APC  
8=E2000  
APC  
8=0.8  
m
SS=Other  
1=1.0  
m
SM1  
550  
5=1.5  
m
fiber.  
2=2.0  
m
3=3.0  
m
S=Others  
mar  
k
et@acfiber.com  
            market@acfiber.com