High-Performance LED
Description
PRODUCT INFORMATION
1320nm
1A439
High-Performance LED
Datacom
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
PARAMETER SYMBOL MIN.
TYP .
MAX.
UNIT
(Case Temperature -25 to +70°C) TEST CONDITION
Fiber-Coupled Power
(Fig.
1, 2,&3) (Table 1)
Pfiber tr, tf fc
c
-18.
5 2.
5 125 1320 135 1.
3 1.
65 100 200
dBm ns MHz nm nm V A pF
(Note 1)
IPeak=60mA
Fiber:
62.
5/125 m
Rise and Fall Time
(10-90%, no bias)
IF =60mA (Note 2) IF =60mA
Graded Index
Bandwidth
(3dBel )
NA=0.
275
Center Wavelength Spectral Width (FWHM) Forward Voltage (Fig.
5) Reverse Current Capacitance
IF =60mA (Note 2) IF =60mA (Note 2) IF =60mA VR=1V VR= 0V, f=1 MHz
⌬ VF IR C
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
Ø4.
7 Ø1.
5 0.
6
PARAMETER
SYMBOL
LIMIT
Storage Temperature Operating Temperature (derating: Fig.
4) Electrical Power Dissipation (derating: Fig.
4)
Tstg Top Ptot IF IFRM VR Tsld
-55 to +125Њ C -55 to +125Њ C 160 mW 80 mA 130 mA 0.
5V 260ЊC
3.
7
14
Continuous Forward Current (fр10 kHz)
0.
4
Peak Forward Current (duty cycle р50%, fу1 MHz) Reverse Voltage
All dimensions in mm
CASE
ANODE
CATHODE
Soldering Temperature (2mm from the case for 10sec)
2.
5 5.
4 BOTTOM VIEW
The diode chip is isolated from the case.
Thermal Characteristics
PARAMETER SYMBOL MIN.
TYP.
MAX.
UNIT
TO-46 Package With Lens
Thermal Resistance - Infinite Heat Sink Thermal Resistance - No Heat Sink
Rthjc -0.
75 0.
45
150 400
ЊC/W ЊC/W %/ЊC nm/ЊC
Rthja Temperature Coefficient - Optical Power dP/dTj Temperature Coefficient -W avelength
13429.
11 1997-06-26
d /dTj
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