HFE3637-001/XBA

HFE3637-001/XBA Datasheet

HFE3637-001/XBA

Part	Datasheet
HFE3637-001/XBA	HFE3637-001/XBA (pdf)

Related Parts	Information
HFE3637-001-XBA-RS	HFE3637-001-XBA-RS

PDF Datasheet Preview
Fibre Optic LAN Components Low Cost VCSEL HFE3637-001/XBA FEATURES • High speed low cost VCSEL. • Industry standard ST-LP fibre connector. • Designed for drive currents between 5 and 15mA • Optimised for low temperature dependence Note ST is a trademark of AT&T The HFE3637-001/XBA is a high-performance 850nm VCSEL vertical cavity surface emitting laser intended for medium to high speed data communications. It combines many of the desirable features of an LED with the desirable features of a laser diode, operating in a single longitudinal mode but with multiple transverse modes reducing coherence and consequent modal noise in multimode fibre applications. APPLICATION The HFE3637-001/XBA is a high radiance VCSEL packaged in a TO-46 header with a metal can assembled in a ST-LP connector. The component produces a circularly symmetric, narrow divergence beam. The stability of operating characteristics with temperature allows operation without continuous photo diode control, simplifying drive current considerably. The HFE3637-001/XBA is designed to be used with inexpensive silicon or gallium arsenide detectors, but excellent performance can also be achieved with some indium gallium arsenide detectors. The low drive current of the HFE3637-001/XBA makes direct drive from PECL or ECL logic gates feasible and eases driver design. Honeywell Control Systems Fibre Optic LAN Components Low Cost VCSEL HFE3637-001/XBA ABSOLUTE MAXIMUM RATINGS -40 to +100°C 0 to +70°C 15mA 5V 10µA NOTICE Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operations section for extended periods of time may affect reliability. ELECTRO-OPTICAL CHARACTERISTICS Tests made at 25°C unless otherwise stated Parameter Coupled power 50/125µm fibre Rise / Fall Time Threshold Current Threshold current temperature variation Symbol Min. Typ. Max. Units 100 400 µW dBm tr/tf Slope Efficiency mW/mA Slope efficiency temperature variation. %/°C Peak Wavelength λP Temperature variation Spectral Bandwidth 820 850 nm/°C Laser forward voltage Series Resistance 15 25 40 Beam divergence Degrees Tested into 50/125µm graded index fibre, 0.2NA, IF Test Conditions IF = 10mA 1 IF = 10mA IF = 10mA IF = 10mA. TA = 0°C to 70°C IF = 10mA IF = 10mA. TA = 0°C to 70°C IF = 10mA DC IF = 10mA IF = 10mA DC IF = 10mA DC NOTICE The inherent design of this component causes it to be sensitive to electrostatic discharge ESD . To prevent ESD-induced damage and/or degradation to equipment, take normal ESD precautions when handling this product.

PDF Datasheet Preview

Fibre Optic LAN Components Low Cost VCSEL

HFE3637-001/XBA

FEATURES
• High speed low cost

VCSEL.
• Industry standard ST-LP
fibre connector.
• Designed for drive
currents between 5 and 15mA
• Optimised for low temperature dependence

Note ST is a trademark of AT&T

The HFE3637-001/XBA is a high-performance 850nm VCSEL vertical cavity surface emitting laser intended for medium to high speed data communications. It combines many of the desirable features of an LED with the desirable features of a laser diode, operating in a single longitudinal mode but with multiple transverse modes reducing coherence and consequent modal noise in multimode fibre applications.

APPLICATION

The HFE3637-001/XBA is a high radiance VCSEL packaged in a TO-46 header with a metal can assembled in a ST-LP connector.

The component produces a circularly symmetric, narrow divergence beam. The stability of operating characteristics with temperature allows operation without continuous photo diode control, simplifying drive current considerably. The HFE3637-001/XBA is designed to be used with inexpensive silicon or gallium arsenide detectors, but excellent performance can also be achieved with some indium gallium arsenide detectors.

The low drive current of the HFE3637-001/XBA makes direct drive from PECL or ECL logic gates feasible and eases driver design.

Honeywell Control Systems

Fibre Optic LAN Components Low Cost VCSEL

HFE3637-001/XBA

ABSOLUTE MAXIMUM RATINGS
-40 to +100°C 0 to +70°C 15mA 5V 10µA

NOTICE

Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operations section for extended periods of time may affect reliability.

ELECTRO-OPTICAL CHARACTERISTICS Tests made at 25°C unless otherwise stated

Parameter Coupled power 50/125µm fibre Rise / Fall Time Threshold Current Threshold current temperature variation

Symbol Min. Typ. Max. Units
100 400
µW dBm
tr/tf

Slope Efficiency
mW/mA

Slope efficiency temperature
variation.
%/°C

Peak Wavelength λP Temperature variation Spectral Bandwidth
820 850
nm/°C

Laser forward voltage Series Resistance
15 25 40

Beam divergence

Degrees

Tested into 50/125µm graded index fibre, 0.2NA, IF

Test Conditions IF = 10mA 1

IF = 10mA IF = 10mA IF = 10mA. TA = 0°C to 70°C IF = 10mA IF = 10mA. TA = 0°C to 70°C IF = 10mA DC IF = 10mA IF = 10mA DC IF = 10mA DC

NOTICE The inherent design of this component causes it to be sensitive to electrostatic discharge ESD . To prevent ESD-induced damage and/or degradation to equipment, take normal ESD precautions when handling this product.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived HFE3637-001/XBA Datasheet file may be downloaded here without warranties.

Datasheet ID: HFE3637-001/XBA 636462