Finisar HFE4191-441 Fiche technique

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FEATURES:
850nm multi-mode oxide
isolated VCSEL
Extended Temperature Range
Operation (– 40 to +85 deg
operating range)
Capable of modulation operation
from DC to 2.5Gbps
TO-46 tilt window metal can
component, prealigned into LC
Sleeve
Designed for drive currents
between 3-15mA average
Packaged with a back monitor
Attenuated window can
2.5GBPS 850NM VCSEL
LC TOSA PACKAGE
HFE419X-441
DATA
SHEET
These products are high-performance 850nm VCSELs (Vertical Cavity Surface-
Emitting Lasers) designed for high-speed data communications and packaged
with a custom designed power monitor diode. The power monitor diode can
be used with appropriate feedback control circuitry to set a maximum power
level for the VCSEL. These combined features simplify design for high data rate
communication and eye safety.
These products are high radiance VCSELs designed to convert electrical current
into optical power that can be used in fiber optic communications and other
applications. As the current varies above threshold, the light intensity
increases proportionally.
These products are designed to be used with inexpensive silicon or gallium
arsenide detectors, but excellent performance can also be achieved with some
indium gallium arsenide detectors (see HFD3180-103 and HFD3180-108
product data sheets).
The low drive current requirement makes direct drive from PECL (Positive
Emitter Coupled Logic) or ECL (Emitter Coupled Logic) gates possible and eases
driver design.
VCSELs produce circularly symmetric, non-astigmatic, narrow divergence
beams that, with appropriate lensing, fiber couple all of the emitter power.
These LC TOSA products are pre-aligned and focused fiber optic transmitters
designed to interface with 50/125 and 62.5/125 µm multi-mode fiber.
Part Number Description
HFE4190-441
LC TOSA with attenuated TO-46 component, VCSEL with Back Monitor
Photodiode, Anode of VCSEL common with Photodiode Cathode
HFE4191-441
LC TOSA with attenuated TO-46 component, VCSEL with Back Monitor
Photodiode, Cathode of VCSEL common with Photodiode Anode
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Résumé du contenu

Page 1 - LC TOSA PACKAGE

FEATURES: 850nm multi-mode oxideisolated VCSELExtended Temperature RangeOperation (– 40 to +85 degoperating range)Capable of modulation operationfrom

Page 2 - ABSOLUTE MAXIMUM RATINGS

HFE419X-441 2.5GBPS 850NM VCSEL LASER RADIATIONAVOID EXPOSURE TO BEAMCLASS 3B LASER PRODUCTINVISIBLE LASER RADIATIONAVOID EXPOSURE TO BEAMCLASS 3B

Page 3 - HFE419X-441

VCSEL Parameters Test Condition Symbol Min. Typ. Max. Units Notes Average Fiber Coupled Power IF = 7mA POC 0.500 mW 2 Minimum coupli

Page 4 - TYPICAL PERFORMANCE CURVES

HFE419X-441 2.5GBPS 850NM VCSEL NOTES1. Reliability is a function of temperature, seewww.finisar.com/aoc.php for details.2. For the purpose of thes

Page 5 - PINOUT DEFINITIONS

HFE419X-441MOUNTING DIMENSIONS (for reference only): All dimensions are in inches.MOUNTING DIMENSIONS HFE4190-441 HFE4191-441Number Function Number F

Page 6 - LOCATION

©2007 Finisar Corporation. All rights reserved. Finisar is a registered trademark of Finisar Corporation. Features and specifications are subject to c

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