MITSUBISHI (OPTICAL DEVICES)

TENTATIVE

FU-68SDF-V802MxxxB

1.58

µm (L-Band) DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL

(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)

THERMAL CHARACTERISTICS (Tld=Tset, Tc=-20~70°C)

Parameter

Symbol

Test Conditions

Limits

Unit

Min.

Typ.

Max.

Thermistor resistance

Rth

Tld=25

°C

9.5

10

10.5

k

Ω

B constant of Rth

B

-

-

3950

-

K

Cooling capacity

∆T

Pf=2mW, Tc=70

°C

50

-

-

°C

Cooler current

Ipe

Pf=2mW, Tc=70

°C, Tld=Tset

-

0.6

1

A

Cooler voltage

Vpe

Pf=2mW, Tc=70

°C, Tld=Tset

-

1.2

2

V

FIBER PIGTAIL SPECIFICATIONS

Parameter

Limits

Unit

Type

SM

-

Mode field diameter

9.5+/-1

µm

Cladding diameter

125+/-2

µm

Secondary coating outer diameter

0.9+/-0.1

mm

Connector

FC/PC

-

Optical return loss of connector

40 (min)

dB

DOCUMENTATION (Tld=Tset)

Note 5) Tset is attached as a reference data. Rth should be used in order to tune the wavelength to the specified

value accurately.