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1A255

更新时间： 2024-09-12 22:09:23

品牌	Logo	应用领域
MITEL		光纤
页数	文件大小	规格书
10页	192K
描述
High-Performance LED(Baseband Video)

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PRODUCT INFORMATION

1A255

Baseband Video

860nm

High-Performance LED

The low thermal droop of this device

allows baseband video transmission

with minimum distortion. The dou-

ble-lens optical system 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

120

␮W

I_F=80 mA

fiber

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

(Note 1)

Fiber:

62.5/125␮m

Graded

Rise and Fall Time

t ,t

I_F=80 mA

r f

(10-90%)

(no bias)

Bandwidth

MHz

I_F=80 mA

Index

(3dB

)

NA=0.275

Thermal Droop

(nonlinearity) (Note 2)

l⌬Pl

I_F=80 mA

V_R=1V

Peak Wavelength

Spectral Width (FWHM)

Forward Voltage (Fig.5)

Reverse Current

␭

840 860 880

⌬␭

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.

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

Ø4.7

Ø1.5

0.6

Absolute Maximum Ratings

PARAMETER

3.7

SYMBOL

LIMIT

Storage Temperature

-55 to +125ЊC

stg

Operating Temperature (derating: Fig.4)

Electrical Power Dissipation (derating: Fig.4)

Continuous Forward Current (fр10 kHz)

Peak Forward Current (duty cycleр50%, fу1 MHz)

Reverse Voltage

-55 to +125ЊC

250 mW

110 mA

180 mA

1.5 V

0.4

tot

CASE

I_F

I_FRM

V_R

ANODE

CATHODE

2.5

5.4

BOTTOM VIEW

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

260ЊC

sld

The anode is in electrical contact with the case.

TO-46 Package With Lens

Thermal Characteristics

PARAMETER

SYMBOL MIN.

TYP.

MAX.

UNIT

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

-0.5

0.3

Temperature Coefficient -Wavelength

d␭/dT

nm/ЊC

12090.11 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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