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What is 1A239?

This electronic component, produced by the manufacturer "Mitel Networks Corporation", performs the same function as "High-Performance LED(Datacom/ General Purpose)".


1A239 Datasheet PDF - Mitel Networks Corporation

Part Number 1A239
Description High-Performance LED(Datacom/ General Purpose)
Manufacturers Mitel Networks Corporation 
Logo Mitel Networks Corporation Logo 


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PRODUCT INFORMATION
840nm
1A239
High-Performance LED
Datacom, General Purpose
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
Fiber-Coupled Power
(Fig.1, 2,& 3) (Table 1)
SYMBOL MIN. TYP. MAX. UNIT
Pfiber 50 90
W
TEST CONDITION
IF =50 mA
(Note 1,2)
Fiber:
50/125m
Rise and Fall Time
(10-90%)
Bandwidth
(3dBel)
tr, tf
fc
7 10 ns IF =50 mA
(no bias)
50 MHz IF =50 mA
Graded
Index
NA= 0.20
Peak Wavelength
p 820 840 860 nm IF =50 mA
Spectral Width (FWHM)
50 nm IF =50 mA
Forward Voltage (Fig.5)
Reverse Current
VF
IR
1.8 2.0 V
20 A
IF =50 mA
VR=1V
Capacitance
C 250 pF VR= 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.
Ø4.7
Ø1.5
0.6
3.7
14
0.4
CASE
CATHODE
ANODE
2.5
5.4
BOTTOM VIEW
The diode chip is isolated from the case.
TO-46 Package With Lens
Absolute Maximum Ratings
PARAMETER
Storage Temperature
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
Soldering Temperature (2mm from the case for 10 sec)
SYMBOL
Tstg
Top
Ptot
IF
IFRM
VR
Tsld
LIMIT
-55 to +125ЊC
-55 to +125ЊC
130 mW
60 mA
100 mA
1.5 V
260ЊC
Thermal Characteristics
PARAMETER
SYMBOL MIN.
Thermal Resistance - Infinite Heat Sink Rthjc
Thermal Resistance - No Heat Sink
Rthja
Temperature Coefficient - Optical Power dP/dTj
Temperature Coefficient -Wavelength d/dTj
TYP.
-0.4
0.3
MAX.
300
600
UNIT
ЊC/W
ЊC/W
%/ЊC
nm/ЊC
11960.11 & .12 1996-01-23
Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10
Tel (44) 1291 436180 Fax (44) 1291 436771
America: Tel 1-800-96MITEL Fax (613) 592-6909
Asia:
Tel (65) 293 5312 Fax (65) 293 8527

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1A239 equivalent
PRODUCT INFORMATION
ST-2A
Package
Emitter or Detector in ST® Package
Mitel emitters and detectors can be
provided in this low-profile ST®
package. The device is electrically
isolated from the ST® receptacle to
facilitate electrical connection. And
optimum fiber-coupled power or
responsivity is ensured by active
alignment against the fiber.
Absolute Maximum Ratings
PARAMETER
Operating & Storage Temperature
ST-2A (Note 1)
SYMBOL
Tstg, Top
Note 1: Temperature range can be extended to -55° to +125°C on request.
LIMIT
-40 to +85ЊC
Thermal Characteristics
PARAMETER
SYMBOL MIN. TYP. MAX.
Thermal Resistance - Infinite Heat Sink Rthcc
(Note 2)
40
Thermal Resistance - No Heat Sink
(Note 2)
Rthca
200
Thermal Resistance - On PC Board
(Note 2)
Rthca
80
Note 2: Add Rthjc for emitter or detector to estimate the total thermal resistance.
UNIT
ЊC/W
ЊC/W
ЊC/W
2-56 UNC - 2B
max.0.5
3/8"-32 UNEF
Ø2.502
+0.01
0
FIBER
END
0.006
7.6 3.9
min.12
5.4
20.1
Ø2.5
+0
-0.004
7.89
MATING FERRULE*
(not included)
All Dimensions in mm
*The fiber-coupled power/responsivity is guaranteed to meet the LED/PIN data sheet - provided a ferrule meeting this specification is used.
Mechanical Outline of Diode in ST-2A Housing
(ST is a registered trademark of AT&T)
103326 1994-09-20
Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10
Tel (44) 1291 436180 Fax (44) 1291 436771
America: Tel 1-800-96MITEL Fax (613) 592-6909
Asia:
Tel (65) 293 5312 Fax (65) 293 8527


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 1A239 electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
1A239The function is High-Performance LED(Datacom/ General Purpose). Mitel Networks CorporationMitel Networks Corporation

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