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Twin Single Mode Isolator (2x2 1310/1480/1550nm 500mW)

Name: Twin Single Mode Isolator (2x2 1310/1480/1550nm 500mW)
Class: Isolator & Circulator
Type: Twin Single Mode Isolator

Specifications:
Parameters Unit Values
Stage   Single Stage Dual Stage
Grade   Grade P Grade A Grade P Grade A
Center Wavelength nm 1310,  1480  or  1550
Operating Wavelength Range nm ±20
Typ. Peak Isolation (Port 4 to Port 1, Port 3 to Port 2) dB 42 40 58 55
Min. Isolation (Port 4 to Port 1, Port 3 to Port 2) at λc dB 34 32 52 50
Typ. Insertion Loss (Port 1 to Port 4, Port 2 to Port 3) at  23℃ dB 0.45 0.55 0.55 0.7
Max. Insertion Loss (Port 1 to Port 4, Port 2 to Port 3) at -5℃-70℃ λc dB 0.65 0.75 0.75 0.9
Min. Return Loss (Input/Output) dB 55 / 55 55 / 55 55 / 55 55 / 55
Min. Directivity (Port 1 to Port 2, Port 3 to Port 4) at  23℃ dB 55 55 55 55
Min. Crosstalk (Port 1 to Port 3, Port 2 to Port 4) at  23℃ dB 55 55 55 55
Max. PDL at  23℃ dB 0.06 0.1 0.08 0.15
Max. PMD ps 0.21 0.251 0.05 0.07
Max. Optical Power (CW) mW 500
Max. Tensile Load N 5
Fiber Type   SMF-28e Fiber
Operating Temperature ℃ -5 to +70
Storage Temperature ℃ -40 to +85

Ordering Information:
A B C D E F G H
Wavelength Grade Stage PMD Connector Type on Port 1, 2 Fiber Jacket on Port 1, 2, 3 & 4 Fiber Length Package Length
31 = 1310nm
48 = 1480nm
55 = 1550nm
X = other
P = Premium Grade
A = A Grade
S = Single Stage
D = Dual Stage
 1 = 0.05ps Max.
2 = Refer to above Spec.
1 = FC/UPC
2 = FC/APC
3 = SC/UPC
4 = SC/APC
N=None
X=other
B = 250um Bare Fiber
L = 900um Loose Tube
1 = 1.0m
X:other
1 = 35mm
2 = 32mm

Twin Single Mode Isolator (2x2 1310/1480/1550nm 500mW)
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