1A225 datasheet(1/10 Pages) MITEL

Part #	1A225

Description	High-Performance LED(Single-Mode Datacom)

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Manufacturer	MITEL [Mitel Networks Corporation]

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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

880nm 1A225

High-Performance LED

Single-Mode Datacom

11905.11 1998-02-04

0.6

14

Ø1.5

Ø4.7

3.7

0.4

5.4

2.5

CASE

ANODE

CATHODE

BOTTOM VIEW

The diode chip is isolated from the case.

TO-46 Package With Lens

Compared with lasers and ELEDs,

this device can reduce device costs in

single-mode Ethernet networks. And

since it’s packaged in a hermeti-cally

sealed can, it achieves high reliability

even in harsh operating environ-

ments.

Thermal Characteristics

Absolute Maximum Ratings

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Thermal Resistance - Infinite Heat Sink

Rthjc

300

C/W

Thermal Resistance - No Heat Sink

Rthja

600

C/W

Temperature Coefficient - Optical Power

dP/dTj

-0.4

%/ C

Temperature Coefficient -Wavelength

d /dTj

0.3

nm/ C

PARAMETER

SYMBOL

LIMIT

Storage Temperature

Tstg

-55 to +125 C

Operating Temperature (derating: Fig.4)

Top

-55 to +125 C

Electrical Power Dissipation (derating: Fig.4)

Ptot

130 mW

Continuous Forward Current (f 10 kHz)

IF

60 mA

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

IFRM

100 mA

Reverse Voltage

VR

1.5 V

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

Tsld

260 C

Fiber:

10/125 m

Single

Mode

NA=0.11

Optical and Electrical Characteristics (25°C Case Temperature)

Note 1: Measured at the exit of 100 meters of fiber.

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

TEST CONDITION

Fiber-Coupled Power

Pfiber

2.0

2.5

W

IF=50 mA

(Fig. 1, 2,& 3) (Table 1)

(Note 1)

Rise and Fall Time

tr,tf

710

ns

IF=50 mA

(10-90%)

(no bias)

Bandwidth

fc

50

MHz

IF=50 mA

(3 dBel)

Peak Wavelength

p

860

880

900

nm

IF=50 mA

Spectral Width (FWHM)

50

nm

IF=50 mA

Forward Voltage (Fig.5)

VF

2.0

2.2

V

IF=50 mA

Reverse Current

IR

20

A

VR=1V

Capacitance

C

250

pF

VR= 0V, f=1 MHz

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