1550nm 1mw-3mw DFB Pigtail Laser Diode Module Manufacturer

1550nm 1mw-3mw DFB Pigtail Laser Diode Module

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The 1550nm 1mw-3mw DFB pigtail laser diode module has an excellent simulation performance due to the use of a DFB chip. The output power is controlled between 1 to 3 mw based on customer needs, making it ideal for use in CATV, digital and analog signal transmission.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Unit	Test Condition
Storage Temperature	Tstg	-40	100	°C	-
Operating Temperature	Top	-40	85	°C	-
Forward Current(LD)	If(LD)		150	mA	-
Reverse Voltage(LD)	Vr(PD)		2	V	CW cw
Forward Current(PD)	If(LD)		2	mA
Reverse VoItage(PD)	Vr(PD)		15	V
Soldering Temp	-	-	260	°C	- s
Soldering Time	-	-	10	s	- s

Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Test Condition
Rated Power	Po	6	8	10	mW	Ith 40mA
Slope Efficiency	SE		0.15	0.2	mW/mA
Threshold Current	Ith		10	15	mA	-
Operating Current	Iop		50	70	mA
Forward Voltage Drop	Vop	-	1.0	1.2	V	CW, Ith 40mA
Cent Wavelength	λc	1540	1550	1560	nm	-
Spectrum Width(-3dB)	Δλ	-	0.5	1	nm	Ith 40mA
Side-mode Suppression Ratio	SMSR	35		-	dB	-
Bandwidth	Bw		2.5		GHz
Monitor Current	Im	100		1200	uA	CW, Ith 40mA
Dark Current of Monitor	Id	-	-	100	nA	5V
Optical Isolation(Single stage)	ISO	35	40	-	dB
Optical Isolation(Double stage)	ISO	45	50	-	dB
Return loss	RL			-45	dB
Analog Characteristic index
Relative Intensity Noise	RIN	-	-155	-150	dB/Hz	-
RF Bandpass Flatness	BF		±1.5		dB
Third-order Distortion	IMD3	-	-55	-	dBc
Carrier Noise Ratio	CNR	51	-	-	dB	Note 1
Composite Second Order	CSO	-	-	-57	dBc
Composite Triple Beat	CTB	-	-	-65	dBc

Note :
① If=Iop, Optical Modulation, Index=3.2%/channel (minimum),60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.

② If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W