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ST-2A

更新时间： 2024-11-30 21:55:15

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MITEL		/
页数	文件大小	规格书
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描述
High-Performance LED(FM and Baseband Video)

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ST-2A 数据手册

PRODUCT INFORMATION

1A277A

FM and Baseband Video

880nm

High-Performance LED

The low harmonic distortion and low

thermal droop makes this device ideal

for subcarrier FM and baseband video

applications. Video transmission can

be accomplished with minimum dis-

tortion. The double-lens optical sys-

tem provides for optimum coupling of

power into the fiber.

Optical and Electrical Characteristics (25° C Case Temperature)

PARAMETER

SYMBOL MIN. TYP. MAX. UNIT

TEST CONDITION

Fiber-Coupled Power

100 130

1.5

␮W

I_F=100mA

fiber

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

(Note 1)

Fiber:

62.5/125␮m

Graded

Rise and Fall Time

t ,t

I_F=100mA

r f

(10-90%)

(no bias)

Bandwidth

250

MHz

I_F=100 mA

Index

(3dB

)

NA=0.275

Harmonic Distortion

(nonlinearity)

-H

I_F=100 mA

m=0.8

f=10 MHz

-H

Thermal Droop

(nonlinearity) (Note 2)

l⌬Pl

I_F=100 mA

Peak Wavelength

Spectral Width (FWHM)

Forward Voltage (Fig.5)

Reverse Current

␭

860 880 900

I_F=100 mA

V_R=1V

⌬

␭

V_F

I_R

1.8 2.2

␮A

Capacitance

250

V_R= 0V, f=1 MHz

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

Ø4.7

Ø1.5

Note 2: Transient decline in optical power due to self-heating.

0.6

Absolute Maximum Ratings

PARAMETER

3.7

SYMBOL

LIMIT

Storage Temperature

-55 to +125ЊC

stg

Operating Temperature

-55 to +125ЊC

250 mW

110 mA

180 mA

1.5 V

Electrical Power Dissipation

tot

0.4

Continuous Forward Current (fр10 kHz)

Peak Forward Current (duty cycleр50%, fу1 MHz)

Reverse Voltage

I_F

I_FRM

V_R

CASE

ANODE

CATHODE

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

260ЊC

sld

2.5

5.4

BOTTOM VIEW

Thermal Characteristics

PARAMETER

The anode is in electrical contact with the case.

SYMBOL MIN.

TYP.

MAX.

UNIT

TO-46 Package With Lens

Thermal Resistance -Infinite Heat Sink

100

ЊC/W

thjc

Thermal Resistance -No Heat Sink

400

ЊC/W

%/ЊC

thja

Temperature Coefficient -Optical Power dP/dT

-0.6

0.3

Temperature Coefficient -Wavelength

d␭/dT

nm/ЊC

12249.12 1994-09-20

America: Tel 1-800-96MITEL Fax (613) 592-6909

Asia: Tel (65) 293 5312 Fax (65) 293 8527

Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10

Tel (44) 1291 436180 Fax (44) 1291 436771

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