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1653.7nm DFB Laser Butterfly Package

Description

The 1653.7nm DFB laser diode in a butterfly-type 14 pin package with thermos-electric cooler and MPD , it is mainly used in methane gas sensor.

 

Features

l Low threshold current;

l High output power;

l 14-pin butterfly cooled package, single mode FC/PC connector or customized.

 

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.

 

Parameter

Symbol

Condition

Min

Max

Unit

Operating Case Temperature

Tc

I=Iop

-20

75

°C

Storage Temperature

Tstg

-

-40

85

°C

Laser Forward Current

If

-

--

120

mA

Laser Reverse Voltage

Vr

-

--

2

V

Photodiode Reverse Voltage

Vrpd

-

--

10

V

TEC Current

Itec

Top=25°C,If=100 mA

 

1.5

A

Lead Solder Temperature

-

-

-

260

°C

Lead Soldering Time

-

-

-

10

S

 

Electrical/Optical Characteristics

 

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Temperature for laser chip operation

Tset

-

20

25

35

°C

Threshold current

Ith

BOL

-

9

14

mA

Operating current

Iop

-

-

50

120

mA

Optical output Power

Po

Iop=Ith+4[email protected]set

1.5

2

-

mw

Centre wavelength

λp

Iop=Ith+4[email protected]set

1653.2

1653.7

1654.2

nm

Side mode suppression ratio

SMSR

Iop=Ith+4[email protected]set

30

40

-

dB

Monitor photodiode current

Ipd

Iop=Ith+4[email protected]set

0.05

-

2.0

mA

Monitor dark current

Id

Vrpd=5 V

-

-

0.1

μA

Optical isolation

 

-

30

-

-

dB

Temperature tuning coefficient

λ/T

-

-

0.09

-

nm/°C

 

 

 

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