MITEL 1A301 Datasheet

PRODUCT INFORMATION

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12357.11 1994-09-20

820nm

1A301

High-Performance LED

Datacom

Thermal Characteristics

Fiber:

62.5/125mm

Graded

Index

NA=0.275

Optical and Electrical Characteristics

(25°C Case Temperature)

Absolute Maximum Ratings

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

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 device is designed for Fibre
Channel 266 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. And it matches the 1A354 PIN
Photodiode.

PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION

Fiber-Coupled Power P

fiber

50 80 mW IF=100 mA

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

Rise and Fall Time tr,t

f

1.0 1.5 ns IF=100 mA

(10-90%)

(no bias)

Bandwidth f

c

350 MHz IF=100 mA

(3dBel)

Peak Wavelength l

p

800 820 840 nm IF=100 mA

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

Forward Voltage (Fig.5) V

F

1.8 2.2 V IF=100 mA

Reverse Current I

R

20 mA VR=1V

Capacitance C 20 pF VR=0V, f=1MHz

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 (derating: Fig.4) T

op

-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%, f>1 MHz) I

FRM

180 mA

Reverse Voltage V

R

1.5V

Soldering Temperature (2mm from the case for10sec) T

sld

260°C

820nm

1A301

High-Performance LED

Core Diameter/Cladding Diameter

Numerical Aperture

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

0.20 0.275 0.29 0.37

Table 1

FIGURE 1

FIGURE 2

FIGURE 3

FIGURE 4

FIGURE 5

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 = 62.5ʵm

z

0

20

40

60

80

100

%

0

20 40

60

80

100

µm

RELATIVE FIBER-COUPLED POWER

r

z = opt.

Øc = 62.5ʵm

z

r - RADIAL DISPLACEMENT OF FIBER

RELATIVE FIBER-COUPLED POWER

FORWARD VOLTAGE

FORWARD CURRENT

mA

200

100

0

0

1 2

3

V

0

20

40

60

80

100

%

0

40 80

120

160

200

mA

FORWARD CURRENT

RELATIVE FIBER-COUPLED POWER

50% DUTY CYCLE

DC

HEAT SINKED

mW

300

200

100

0

0 50 100

150¡C

NO HEAT SINK

OPERATING TEMPERATURE

MAX. ELECTRICAL POWER DISSIPATION

INFINITE
HEAT SINK

30mW 80mW 160mW 210mW

Typical Fiber-Coupled Power

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