Product Description

Coaxial Pigtail Fiber Optical 2.5GHz~6GHz 1270~1610nm CWDM Laser Module for Analog or Digital Optical Transmission with ISO9001 and RoHS by China Manufacture

Features

Built - in optical isolator
Low capacitance and low dark current
High stability of CWDM lasers diode
Low threshold current , low operating current
Integrated high isolation , low insertion loss

Applications
CATV Reverse Transmission
Other Analog or Digital Optical Transmission

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Unit	Test Condition
Storage Temperature	Tstg	-40	100	ºC	-
Operating Temperature	Top	-40	85	ºC	I=Iop
Laser Forward Current	If	-	150	mA	-
LD Reverse Voltage	Lvr	-	2	V	-
PD Reverse Voltage	Pvr		15	V
Soldering Temp	-	-	260	ºC	-
Soldering Time	-	-	10	S	-

Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Test condition
Rated Power	Po	1	-	3	mW	Ith+20mA
Threshold Current	Ith	5	-	15	mA	CW
Forward Voltage Drop	Vop	-	1.0	1.2	V	-
Cent Wavelength	λc	Note 2			nm	Note 1
Spectrum Width(-3dB)	Δλ	-	0.5	1	nm	CW,-3dB
Side-mode Suppression Ratio	SMSR	35	-	-	dB	-
Monitor Current	Im	100	-	900	uA	CW, Ith+20mA
Dark Current of Monitor	Id	-	-	100	nA	-
Optical Isolation	ISO	30	40	-	dB	25ºC
Frequency Range	F	2.5			GHz	RI=50Ω
Cut-off Frequency	Fc	6			GHz	If=Iop
Relative intensity noise	RIN	-	-155	-150	dB/Hz	CW, If=Iop, f=4500MHz
RF Bandpass Flatness	BF		±1.5		dB	If=Iop,45MHz-4500MHz,T=25 °C

Note 1. 2.5Gb/s NRZ, pseudo-random, Pb=0.2mW, Ppeak=1.0mW
Note 2. The selected wavelength is available as follow:

Wavelength (nm) (Tl=Tset) (in vacuum)	Tolerance(nm)
1271	±2 or ±3
1291	±2 or ±3
1311	±2 or ±3
1331	±2 or ±3
1351	±2 or ±3
1371	±2 or ±3
1391	±2 or ±3
1411	±2 or ±3
1431	±2 or ±3
1451	±2 or ±3
1471	±2 or ±3
1491	±2 or ±3
1511	±2 or ±3
1531	±2 or ±3
1551	±2 or ±3
1571	±2 or ±3
1591	±2 or ±3
1611	±2 or ±3

Coaxial Pigtail Fiber Optical 2.5GHz~6GHz 1270~1610nm CWDM Laser Module for Analog or Digital Optical Transmission with ISO9001 and RoHS by China Manufacture