1550nm Butterfly Laser Diode Manufacturer

1550nm Butterfly Laser Diode

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Features

High linearity high power MQW DFB LD chip
Built-in isolator, TEC,hermistor and Monitor PD
Optimized for 2.5 Gb/s Modulation Rates
14-pin butterfly cooled package
Single mode FC/APC connector or customized
Output power 2~16mW

Applications

CATV forward-path

1550nm broadcast and point-to-point applications

Absolute Maximum Ratings

Parameter	Symbol	Condition	Min.	Max.	Unit
Operating Case Temperature	Tc	I=Iop	-20	80	°C
Storage Temperature	Tstg	-	-40	85	°C
Laser Forward Current	If	-	-	150	mA
Laser Reverse Bias	Vr	-	-	2	V
Photodiode Reverse Bias	Vrpd	-	-	10	V
TEC Current	Itec	-20 °C < Tc <+65 °C, Top=25 °C If=100 mA	-2	+2	A
TEC Voltage	Vc	-	-2.5	+2.5	V
ESD	-	ESD - HBM: R=1500 ohm, C=100 pF	-500	+500	V
Lead Solder Temperature	-	-	-	260	°C
Lead Soldering Time	-	-	-	10	S
Fiber Bend Radius	-	-	30	-	mm
Fiber Yield Strength	-	-	-	1	kgf

Optical & Electrical Characteristics

Parameter	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Center Wavelength	λc	CW	1540	1550	1560	nm
Spectral Width (-3 dB)	Δλ	CW	-	0.5	1	nm
Optical Output Power	Po	CW, TL=25 °C	-	-	16	mW
Optical Isolation	IS	T=25 °C	30	35	-	dB
Side-mode Suppression Ratio	SMSR	CW	35	-	-	dB
Threshold Current	Ith	TL=25 °C	-	10	15	mA
Operating Current	Iop	CW	-	-	100	mA
Forward Voltage	VF	CW	-	1.2	2.0	V
Monitor Current	Imon	Vrpd=5 V	100	-	1500	μA
Monitor Dark Current	ID	Vrpd=5 V	-	-	100	nA
Operating Case Temperature	T	-	-20	-	60	°C
Tracking Error	γ	TE=10log(Po(Tc)/Po(25°C)	-1	-	1	dB
Thermistor Resistance	Rt	T=25 °C	9.5	-	10.5	KΩ
Thermistor B Constant	B	T=25 °C	-	3900	-	K
TEC Current	IC	ΔΤ=40°C	-	-	1.0	A
TEC Voltage	VC	ΔΤ=40°C	-	-	2.0	V
Cut-off Frequency	Fc(-3dB)	If=Iop	4	-	-	GHz
RIN	Nr	CW, If=Iop, f=2.5GHz, ORL=24dB	-	-155	-150	dB/Hz
Frequency Range	F	-	45	-	2500	MHz
Carrier Noise Ratio	CNR	Note 1	51	-	-	dB
Composite Second Order	CSO	-	-	-	-57	dBc
Composite Triple Beat	CTB	-	-	-	-65	dBc

Note 1:
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, Receiverresponsivity=0.85A/W

Pin Description