MITEL 1A184A Datasheet

PRODUCT INFORMATION

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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

Optical and Electrical Characteristics

(25°C Case Temperature)

Thermal Characteristics

870

nm

1A184A

High-Performance LED

FM Video

Absolute Maximum Ratings

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

PARAMETER SYMBOL MIN. TYP. MAX. UNIT

Thermal Resistance- Infinite Heat Sink R

thjc

100 °C/W

Thermal Resistance- No Heat Sink R

thja

400 °C/W

Temperature Coefficient- Optical Power dP/dT

j

-0.6 %/°C

Temperature Coefficient-Wavelength dl/dT

j

0.3 nm/°C

PARAMETER SYMBOL LIMIT

Storage Temperature T

stg

-55 to +125°C
Operating Temperature see (derating: Fig.4) Top -55 to +125°C
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%s, f>1MHz) I

FRM

180 mA

Reverse Voltage V

R

1.5 V

Soldering Temperature (2mm from the case for10sec) T

sld

260°C

Fiber:

50/125µm

Graded

Index

NA=0.20

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

Fiber-Coupled Power

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

P

fiber

40 55 µW IF=100 mA

Rise and Fall Time tr,t

f

2.5 3 ns IF=100 mA

(10-90%) (no bias)

Bandwidth f

c

140 MHz IF=100 mA

(3dBel)

Harmonic Distortion -H

2

40 dB IF =80 mA

(nonlinearity) m=0.8

-H

3

45 dB f=10 MHz

Peak Wavelength l

p

850 870 890 nm IF=100 mA

Spectral Width (FWHM) Dl 60 nm IF=100 mA

Forward Voltage (Fig.5) V

F

1.8 2.2 V IF=100 mA

Reverse Current I

R

20 µA VR=1V

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

The low harmonic distortion makes
this device ideal for subcarrier FM
video applications. Video transmis­sion can be accomplished with mini­mum distortion. The double-lens
optical system provides for optimum
coupling of power into the fiber.

11705.12 1995-09-01

CORE DIAMETER/CLADDING DIAMETER

NUMERICAL APERTURE

50/125µm 62.5/125µm 100/140 µm 200/230µm

0.20 0.275 0.29 0.37

870

nm

1A184A

High-Performance LED

Table 1

Typical Fiber-Coupled Power

55µW 150µW 300µW 390µW

z - AXIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

0

20

40

60

80

100

%

0.5

1.0 1.5

2.0

2.5

3.0

mm

r

r = opt.

Øc = 50 µm

z

FIGURE 1

0

20

40

60

80

100

%

0

20 40

60

80

100

m

RELATIVE FIBER-COUPLED POWER

r

z = opt.

Øc = 50 µm

z

r - RADIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

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

mW

300

200

100

0

0 50 100

150¡

C

NO HEAT SINK

OPERATING TEMPERATURE

MAX. ELECTRICAL POWER DISSIPATION

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