Datasheet > 1A239

1A239

更新时间： 2024-09-12 22:09:23

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

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1A239 数据手册

PRODUCT INFORMATION

1A239

840nm

Datacom, General Purpose

High-Performance LED

This device is designed for Ethernet

and general applications and offers an

excellent price/performance ratio for

cost-effective solutions. Since it oper-

ates at low drive current, it generates

minimal heat — reducing cooling

requirements in systems employing

large numbers of LEDs.

Optical and Electrical Characteristics (25° C Case Temperature)

PARAMETER

SYMBOL MIN. TYP. MAX. UNIT

TEST CONDITION

Fiber:

Fiber-Coupled Power

␮W

I_F=50 mA

fiber

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

(Note 1,2)

50/125␮m

Graded

Rise and Fall Time

t ,t

I_F=50 mA

r f

(10-90%)

(no bias)

Index

Bandwidth

MHz

I_F=50 mA

NA=0.20

(3dB

)

Peak Wavelength

␭

820 840 860

I_F=50 mA

Spectral Width (FWHM)

⌬␭

Forward Voltage (Fig.5)

Reverse Current

Capacitance

V_F

I_R

1.8 2.0

I_F=50 mA

V_R=1V

␮A

250

V_R= 0V, f=1 MHz

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

Note 2: 1A239A version with Fiber-Coupled Power > 80

␮W available on request.

Absolute Maximum Ratings

PARAMETER

SYMBOL

LIMIT

Ø4.7

Ø1.5

Storage Temperature

-55 to +125ЊC

130 mW

60 mA

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

Top

tot

I_F

I_FRM

V_R

0.4

100 mA

CASE

1.5 V

ANODE

CATHODE

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

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

300

600

ЊC/W

thjc

Thermal Resistance -No Heat Sink

ЊC/W

%/ЊC

thja

Temperature Coefficient -Optical Power dP/dT

-0.4

0.3

Temperature Coefficient -Wavelength

d␭/dT

nm/ЊC

11960.11 & .12 1996-01-23

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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