MITEL 1A272 Datasheet

PRODUCT INFORMATION

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12224.11 1994-09-20

1A272

High-Performance LED

810nm

Avionics, Military Datacom

0.6

14

Ø1.5

Ø4.7

3.7

0.4

5.4

2.5

CASE

ANODE

CATHODE

BOTTOM VIEW

The anode is in electrical contact with the case.

TO-46 Package With Lens

All dimensions in mm

This high speed device is optimized
at 810 nm wavelength which is of
particular interest for use in radia­tion-hardened fiber. It operates in a
wide temperature range and delivers
very high power to 200 µm core f iber ,
making it ideal in avionics and mili­tary datacom applications.

Thermal Characteristics

Fiber:

200/280mm

Step

Index

NA=0.24

Optical and Electrical Characteristics

(25°C Case Temperature)

Absolute Maximum Ratings

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

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

Fiber-Coupled Power P

fiber

1300 1600 mW IF=100 mA

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

Rise and Fall Time tr,t

f

58nsI

F

=100 mA

(10-90%) (no bias)

Bandwidth f

c

70 MHz IF=100 mA

(3dBel)

Peak Wavelength l

p

790 810 830 nm IF=100 mA

Spectral Width(FWHM) Dl 50 nm IF=100 mA

Forward Voltage (Fig.5) V

F

2.2 2.4 V IF=100 mA

Reverse Current I

R

20 mA VR=1V

Capacitance C 250 pF VR=0V, f=1MHz

PARAMETER SYMBOL MIN. TYP. MAX. UNIT

Thermal Resistance- Infinite Heat Sink R

thjc

100 8C/W

Thermal Resistance- No Heat Sink R

thja

400 8C/W

Temperature Coefficient- Optical Power dP/dT

j

-0.4 %/8C

Temperature Coefficient-Wavelength dl/dT

j

0.3 nm/8C

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

250 mW

Continuous Forward Current (f<10 kHz) I

F

110 mA

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

FRM

180 mA

Reverse Voltage V

R

1.5 V

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

sld

2608C

810nm

1A272

High-Performance LED

Core Diameter/Cladding Diameter

Numerical Aperture

50/125mm 62.5/125mm 100/140mm 200/230mm 200/280 mm

0.20 0.275 0.29 0.37 0.24

Table 1

Typical Fiber-Coupled Power

60mW 150 mW 600mW 2000 mW 1600mW

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 =

200ʵm

z

FIGURE 1

0

20

40

60

80

100

%

0

40 80

120

160

200

µm

r - RADIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

r

z = opt.

Øc =

200ʵm

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

FORWARD VOLTAGE

FORWARD CURRENT

mA

200

100

0

0

1 2

3

V

FIGURE 5

0

40

80

120

160

200

mA

PEAK FORWARD CURRENT

-60

-20 20

60

100

140

¡C

d

c

b

a

OPERATING TEMPERATURE

HEAT SINKED

a) Pfiber = const.Å1900µW peak
b)

P

fiber = const.Å1600µW peak

c)

P

fiber = const.Å1300µW peak

d)

P

fiber = const.Å1000µW peak

Note: Dashed line indicates
that the power dissipation
may exceed the maximum ratings.
Also see figure 4.

FIGURE 6

mW

300

200

100

0

0 50 100

150

¡C

OPERATING TEMPERATURE

MAX. ELECTRICAL POWER DISSIPATION

NO HEAT SINK

Note: Maximum junction temperature can be increased
to 150¡C after additional burn-in and screening.

FIGURE 4

INFINITE
HEAT SINK

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