3

Parameter

Symbol

OPTICAL & ELECTRICAL CHARACTERISTICS (Continued)

(Laser Temperature TL= Tset, Top = 25°C, BOL, unless otherwise specified)

Unit

Limits

Max.

Type

Min.

Test Condition

TEC Capacity

∆T

°C

-

70-Tset

-

PTEC=5.2W, IF=Iop

TEC Current

ITEC

A

1.3

--

IF=Iop,

∆T=(70-Tset)[°C]

TEC Voltage

VTEC

V

4.0

--

IF=Iop,

∆T=(70-Tset)[°C]

TEC Power Dissipation

PTEC

W

5.2

--

IF=Iop

Thermistor Resistance

Rth

k

Ω

10.5

9.5

-

TL=25

°C

Thermistor B Constant

BK

3630

3270

3450

Power Monitor Current

Im1

mA

1.5

0.04

-

CW, IF=Iop, Vm=Vo,

VDR=5V

Wavelength Monitor Current

Im2

mA

1.5

0.04

-

CW, IF=Iop, Vm=Vo,

VDR=5V

nA

100

-2

Power Monitor Dark Current

Id1

VDR=5V

Im2 Peak-Bottom Ratio

Im2peak/

Im2bottom

dB

4.0

2.0

-

∆λ

Wavelength Difference

between Lock Point and

Im2 peak (Note 4)

GHz

44.0

-

6.0

RF Return Loss

S11

DC to 5GHz, Vm=Vo, IF=Iop,

50

Ω Test Set

5 to 10GHz, Vm=Vo, IF=Iop,

50

Ω Test Set

-dB

8-

-dB

5-

pF

15

-2

Power Monitor Diode

Capacitance

Ct1

VDR=5V, f=10MHz

pF

15

-2

Wavelength Monitor

Diode Capacitance

Ct2

VDR=5V, f=10MHz

nA

100

-2

Wavelength Monitor

Dark Current

Id2

VDR=5V

Dispersion=1600ps/nm

Dispersion Penalty at Bit-Error-Rate=1.0E-10

Note 3: See Table 1 Wavelength Table

FLD5F20CE-E

1,550nm MI DFB Laser

with Integrated Wavelength Locker