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TZ7-01-111A (1/6)
May 25, 2001
Approved Approved Charged
H.Koyanagi
Specification of uncooled DFB-LD module
Module type: FU-645SDF-x1Mxx
( Mitsubishi standard product )
A B C D
x
Date Approved
26.May.’01 T.Nambara
MITSUBISHI ELECTRIC CORPORATION
* Mitsubishi Electric Corp. reserves the right to change product design and specification without notice.
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1.55 µm UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
(BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
DESCRIPTION
Module type FU-645SDF-x1Mxx is a 1.55µm
Uncooled DFB-LD module with single-mode optical
fiber.
This module is suitable to a light source for use in
2.5Gb/s digital optical communication systems.
FEATURES
λ
l
/4 shifted Multi quantum wells (MQW) DFB
Laser Diode module
l Input impedance is 25
l Emission wavelength is in 1.55µm band
l High-speed response
l Built-in optical isolator
l Built-in thermistor and bias T
l 8-pin Mini-DIL package with Gull wing leads
l With photodiode for optical output monitor
Ω
TZ7-01-111A (2/6)
MITSUBISHI (OPTICAL DEVICES)
FU-645SDF-x1Mxx
APPLICATION
High speed transmission systems (~2.5Gb/s)
ABSOLUTE MAXIMUM RATINGS (Tc=25°C)
Parameter Symbol Conditions Rating Unit
Laser diode
Operating case temperature Tc - -5 ~ +70
Storage temperature Tstg - -40 ~ +85
Optical output
power
Forward current If CW 100 mA
Reverse voltage Vrl - 2 V
Reverse voltage Vrd - 20 VPhotodiode
Forward current Ifd - 2 mA
Pf CW 6 mW
°
C
°
C