2B454 datasheet(1/10 Pages) MITEL

Part #	2B454

Description	VCSEL Laser Diode(Datacom)

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Manufacturer	MITEL [Mitel Networks Corporation]

Direct Link	http://www.mitel.com

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PRODUCT INFORMATION

Europe: Tel (46) 8 58 02 45 00

Fax (46) 8 58 02 01 10

Tel (44) 1291 436180

Fax (44) 1291 436771

America: Tel 1-800-96MITEL Fax (613) 592-6909

Asia:

Tel (65) 293 5312

Fax (65) 293 8527

840nm

2B454

VCSEL Laser Diode

PRODUCT INFORMATION

Datacom

13589.11 1999-04-01

0.6

14

Ø1.5

Ø4.7

3.7

0.4

5.47

2.5

VCSEL Cathode

MONITOR Anode

BOTTOM VIEW

MONITOR

Cathode

CASE NOT CONNECTED

VCSEL

Anode

TO-46 Package With Lens

Optical and Electrical Characteristics (25°C Case Temperature)

Thermal Characteristics

Absolute Maximum Ratings

PARAMETER

SYMBOL

LIMIT

Storage Temperature

Tstg

-55 to +125 C

Operating Temperature (derating: Fig.4)

Top

0 to + 70 C

Electrical Power Dissipation (derating: Fig.4)

Ptot

35 mW

Continuous Forward Current (f 10 kHz)

IF

15 mA

Peak Forward Current (duty cycle 50%, f 1 MHz)

IFRM

25 mA

VCSEL Reverse Voltage

VR

1.5 V

Soldering Temperature (2mm from the case for 10 sec)

Tsld

260 C

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Thermal Resistance - Infinite Heat Sink

Rthjc

500

C/W

Thermal Resistance - No Heat Sink

Rthja

800

C/W

Temp. Coefficient -Wavelength

d /dTj

0.06

nm/ C

Optical Power - Variation 0 to 70 C

P

0.7

dB

Threshold Current - Variation 0 to 70 C

Ith

0.6

mA

This Vertical Cavity Surface-

Emitting Laser is designed for Fibre

Channel, Gigabit Ethernet, ATM and

general applications. It incorporates a

photodiode to monitor the optical

power and allow for feedback control.

For eye safety, the optical power is

attenuated to comply with IEC Laser

Class 1 requirements.

Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275.

Note 2: Complies with laser Class 1 when operated at max 12 mA; Class 3 above 12 mA.

Class 1 Laser Product

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

TEST CONDITION

Fiber-Coupled Power

Pfiber

100

W

IF=12mA (Note 1)

Optical Power

Po

400

W

IF=12mA (Note 2)

Slope Efficiency

50

mW/A IF=12mA

(dPo/dIF)

Bandwidth

fc

2

GHz

IF=12mA

(3dBel)

Peak Wavelength

p

830

840

860

nm

IF=12mA

Spectral Width (FWHM)

0.5

1

nm

IF=12mA

Forward Voltage (Fig.5)

VF

1.9

2.2

V

IF=12mA

Threshold Current

Ith

3.5

6

mA

Monitor Current

Im

30

100

A

IF=12mA, VR>1V

Monitor Dark Current

Id

30

nA

VR=5V

Relative Intensity Noise

RIN

-130

dB/Hz IF=12mA, f=1 GHz

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