Datasheet > 1A439

1A439

更新时间： 2024-09-12 22:09:23

品牌	Logo	应用领域
MITEL		数据通信
页数	文件大小	规格书
10页	192K
描述
High-Performance LED(Datacom)

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PRODUCT INFORMATION

1A439

1320nm

Datacom

High-Performance LED

This device is designed for FDDI and

ATM 155 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.

Optical and Electrical Characteristics (Case Temperature -25 to +70° C)

PARAMETER

SYMBOL MIN. TYP. MAX. UNIT

TEST CONDITION

Fiber:

62.5/125␮m

Graded

Fiber-Coupled Power

-18.5

dBm I_Peak=60mA

fiber

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

(Note 1)

Rise and Fall Time

t ,t

2.5

I_F=60mA

r f

(10-90%, no bias)

(Note 2)

Index

Bandwidth

125

MHz I_F=60mA

NA=0.275

(3dB

)

Center Wavelength

␭

1320

135

I_F=60mA (Note 2)

Spectral Width (FWHM)

⌬␭

Forward Voltage (Fig.5)

Reverse Current

Capacitance

V_F

I_R

1.3 1.65

I_F=60mA

100 ␮A

V_R=1V

200

V_R= 0V, f=1MHz

Note 1: Average power at 10 MHz//50% duty cycle. Measured at the exit of 100 meters of fiber.

Note 2: Meets the FDDI ANSI X3T9.5 specification.

Absolute Maximum Ratings

PARAMETER

SYMBOL

LIMIT

Ø4.7

Ø1.5

Storage Temperature

-55 to +125ЊC

0.6

stg

3.7

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

160 mW

80 mA

tot

I_F

I_FRM

V_R

0.4

130 mA

0.5V

CASE

ANODE

CATHODE

Soldering Temperature (2mm from thecase for10sec)

260ЊC

sld

2.5

5.4

BOTTOM VIEW

Thermal Characteristics

PARAMETER

The diode chip is isolated from the case.

SYMBOL MIN.

TYP.

MAX.

UNIT

TO-46 Package With Lens

Thermal Resistance -Infinite Heat Sink

150

400

ЊC/W

thjc

thja

Thermal Resistance - No Heat Sink

ЊC/W

%/ЊC

Temperature Coefficient -Optical Power dP/dT

-0.75

0.45

Temperature Coefficient -Wavelength

d␭/dT

nm/ЊC

13429.11 1997-06-26

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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