Model Number

DWC

Dual Window Coupler (DWC)
Applications: xxxxx communication systems test 2. CATV 3. FTTH
Specifications:
Parameter
Grade:U/P/A
Operating wavelength (nm): 1310 and 1550
Operating bandwidth (nm):+-40
Typical excess loss (dB);0.07/0.07/0.1
Insertion loss (dB):
50/50;≤3.4/≤3.6/≤3.8
40/60;≤4.5/2.6, ≤4.7/2.7, ≤4.9/2.9
30/70;≤5.7/1.9, ≤6.0/2.0, ≤6.3/2.1
20/80;≤7.6/1.2, ≤7.9/1.2, ≤8.4/1.4
10/90≤;11.0/0.65, ≤11.3/0.70, ≤12.0/0.8
5/95;≤14.2/0.4, ≤14.6/0.45, ≤15.5/0.5
2/98;≤18.4/0.25, ≤18.8/0.3, ≤19.5/0.4
1/99;≤21.5/0.2, ≤22.5/0.25, ≤23.5/0.35
PDL (dB)≤;0.1/≤0.15/≤0.2
Directivity (dB);≥55
Operating temperature :
-40 ~ +85
*The above specification is without connector.

Ordering Information
XXX??XX?XX?X/XX???X/XXX?X*XX

Package3;.0*54 etc.
Connector;FC/UPC, FC/APC etc.
Fiber Type;0=SMF-28, 1=flexcore, 2=50/125μm,
3=62.5/125μm, 4=others
Pigtail Type;0=250μm, 1=900μm, 2=2mm, 3=3mm 4=others
Coupling Ratio;01/99, 50/50 etc.
Operating Wavelength;131=1310nm, 155=1550nm, 1315=1310&1550nm etc.
Port Number;1*2, 2*2, 1*4, 1*8 etc.
Grade;U=Ultra, P=Perfect, A=Grade A, X=On customer request
Type;SSC; PIC; WBC; DWC; TWC; PMC; WDM; HWDM; SSSC; SWBC; SDWC; STWC; PCOM; MMC etc.