• Compact Size.
  • Low insertion loss.
  • Low PDL.
  • Good uniformity.
  • Coherent detection.
  • Share resource optical networks.
  • Environmentally stable and reliable
  • Coupling ratio 1% to 99%.
  • Telecommunications.
  • Local area network.
  • Fiber to the home.
  • Optical fiber sensors.
  • Test equipment.
  • CATV.
  • Subscriber Loop.
  • Optical fiber sensors.
Fiber Optic Communications, Inc.
Tel : +886-2-2914-8137
Fax: +886-2-2914-8038
sales3a@triplea.com.tw
Coupling Ratio/Maximal Insertion Loss Chart:
Desired Splitting Ratio A Grade B Grade C Grade
50/50
 3.4/3.4 3.6/3.6 3.9/3.9
40/60
 4.4/2.5 4.8/2.8 5.0/3.0
30/70
 5.6/1.8 6.1/2.0 6.3/2.3
20/80
 7.5/1.2 8.0/1.3 8.5/1.7
10/90
 10.8/0.6 12.0/0.8 12.7/1.0
5/95
 14.6/0.4 15.5/0.6 17.5/0.8
1/99
 21.5/0.2 22.0/0.3 23.0/0.6
Specifications:
Parameter A Grade B Grade C Grade
Operation Wavelength (nm) 980, 1310, 1480 or 1550
Typical Excess Loss (dB) 0.06 0.1 0.15
Uniformity ¡Ø0.6 ¡Ø0.9 ¡Ø1.5
Polarization Stability (dB) ¡Ó0.1 ¡Ó0.15 ¡Ó0.2
Directivity (dB) >55
Reflectance (dB) >55
Operation Temperature (¢J) -40 to +70
Temperature Coefficient (dB/¢J) <0.001 (Typ.), < 0.002(Max.)
Storage Temperature (¢J) -50 to +85
Package Dimensions (mm) Coated fiber: 3.0 (¡í ) x 54 (L)
Loose tube: 3.5 (¡í) x 65 (L)
PVC: 95(L)x 11(W)x 9.5(H)
1x2,1310nm, 50:50
Coupling Ratio VS. Wavelength
(nm) % (nm) %
1250 34.475 1430 79.282
1270 39.458 1450 83.136
1280 42.057 1470 86.676
1290 44.706 1490 89.956
1300 47.369 1510 92.598
1310 50.004 1520 93.731
1320 52.658 1530 94.818
1330 55.288 1540 95.821
1340 57.956 1550 96.554
1350 60.581 1560 97.283
1370 65.571 1570 97.889
1390 70.558 1580 98.447
1410 75.025 1590 98.792
1x2,1310nm, 50:50
Wavelength VS. Coupling Ratio
(nm) dB (nm) dB
1250 0.085 1430 0.197
1270 0.076 1450 0.212
1280 0.074 1470 0.249
1290 0.077 1490 0.279
1300 0.085 1510 0.325
1310 0.084 1520 0.357
1320 0.084 1530 0.392
1330 0.086 1540 0.431
1340 0.098 1550 0.468
1350 0.121 1560 0.507
1370 0.179 1570 0.548
1390 0.373 1580 0.593
1410 0.227 1590 0.652
The performance of the couplers/splitters has been carefully designed to meet the toughest Bellcore standards
TA-NWT-001221
  • Optical Characteristics
  • Vibration Test
  • Thermal Cycling
  • Impact Resistance
  • Salt Spray Erosion
  • Thermal Aging
  • Humidity Resistance
  • Others
* High Temperature Storage Test................... 80¢J for 5,000 hours
* Low Temperature Storage Test.................... -40¢J for 5,000 hours
* Damp Heat Test......................................... 75¢J/ 95% RH for 5,000 hours
* Thermal Cycling Test.................................. -40¢J/75¢J for 500 cycles
* Fiber Pulling Test....................................... 0.23kg for 250um fiber and 900um
loose tube 1.36kg for jacketed cable
* Water Immersion Test................................ 43¢J, pH = 5.5 168 hours
* Vibration Test............................................ 10 ~ 2,000Hz random, 20G, 3 axis
* Impact Test............................................... 8 drops, 1.8meters high
* Fiber Torsion Test...................................... 180¢X twist, both directions, 5N force
Ordering Information
Single Mode Standard Couplers 1X2, 2X2 Narrow Band ¡Ó10 nm
3A reserves the right to modify products and specifications without prior notice.