MITEL 1A439 Datasheet

PRODUCT INFORMATION

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13429.11 1997-06-26

1320nm

1A439

High-Performance LED

Datacom

0.6

14

Ø1.5

Ø4.7

3.7

5.4

2.5

0.4

CASE

ANODE

CATHODE

BOTTOM VIEW

The diode chip is isolated from the case.

TO-46 Package With Lens

All dimensions in mm

This device is designed for FDDI and
ATM 155 Mbps applications and
offers an excellent price/performance
ratio for cost-effective solutions. Its
double-lens optical system results in
optimum coupling of power into the
fiber.

Thermal Characteristics

Fiber:

62.5/125mm

Graded

Index

NA=0.275

Optical and Electrical Characteristics

(Case Temperature -25 to +70°C)

Absolute Maximum Ratings

Note 1: Average power at 10 MHz//50% duty cycle. Measured at the exit of 100 meters of fiber.
Note 2: Meets the FDDIANSI X3T9.5 specification.

PARAMETER SYMBOL LIMIT

Storage Temperature T

stg

-55 to +1258C

Operating Temperature (derating: Fig.4) T

op

-55 to +1258C

Electrical Power Dissipation(derating: Fig.4) P

tot

160 mW

Continuous Forward Current (f<10 kHz) I

F

80 mA

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

FRM

130 mA

Reverse Voltage V

R

0.5V

Soldering Temperature (2mm from thecase for10sec) T

sld

2608C

PARAMETER SYMBOL MIN. TYP. MAX. UNIT

Thermal Resistance- Infinite Heat Sink R

thjc

150 8C/W

Thermal Resistance- No Heat Sink R

thja

400 8C/W

Temperature Coefficient- Optical Power dP/dT

j

-0.75 %/8C

Temperature Coefficient-Wavelength dl/dT

j

0.45 nm/8C

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

Fiber-Coupled Power P

fiber

-18.5 dBm I

Peak

=60mA

(Fig.1,2,&3) (Table1) (Note 1)

Rise and Fall Time tr,t

f

2.5 ns IF=60mA

(10-90%, no bias) (Note 2)

Bandwidth f

c

125 MHz IF=60mA

(3dBel)

Center Wavelength l

c

1320 nm IF=60mA

(Note 2)

Spectral Width(FWHM) Dl 135 nm IF=60mA

(Note 2)

Forward Voltage (Fig.5) V

F

1.3 1.65 V IF=60mA

Reverse Current I

R

100 mA VR=1V

Capacitance C 200 pF VR=0V, f=1MHz

1320nm

1A439

High-Performance LED

0

20

40

60

80

100

%

0

20 40

60

80

100

µm

RELATIVE FIBER-COUPLED POWER

r - RADIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

r

z = opt.

Øc =

62.5 µm

z

FIGURE 2

0

20

40

60

80

100

%

0

40 80

120

160

200

mA

RELATIVE FIBER-COUPLED POWER

FORWARD CURRENT

50% DUTY CYCLE

DC

HEAT SINKED

FIGURE 3

mW

300

200

100

0

0 50 100

150

¡C

NO HEAT SINK

OPERATING TEMPERATURE

MAX. ELECTRICAL POWER DISSIPATION

FIGURE 4

INFINITE
HEAT SINK

0

20

40

60

80

100

%

0.5

1.0 1.5

2.0

2.5

3.0

mm

z - AXIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

r

r = opt.

Øc = 62.5ʵm

z

FIGURE 1

FORWARD VOLTAGE

FORWARD CURRENT

mA

200

100

0

0

1 2

3

V

FIGURE 5

5.6000

3.3000

Clip for SC-2A

R 1.00

80,000

0.5000

20.8200

10,2500

10.3000

4.9500

0.5000

4.5000

5.0800

3.6450