Finisar: 850nm, TO-46 Flat window Component, common cathode and common anode, 1.25 Gb/s operation, unattenuated (HFE408x-322)

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	HFE408x-322 Product Specification Sheet
	Application note: VCSEL Optical Modes
	Application note: High Speed Characteristics of VCSELs
	Application note: Modulating VCSELs
	Application note: VCSEL SPICE model
	Reliability data: 850nm Proton VCSEL Reliability Study

850nm, TO-46 Flat window component, common Cathode or Anode, 1.25 Gb/s, unattenuated (HFE408x-322)

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The HFE408x-322 is a high radiance VCSEL 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.

The HFE408x-322 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.

Key Features:

Designed for drive currents between 5 and 15 mA
Optimized for low dependence of electrical properties over temperature
High speed ≥1 GHz
Two different laser / photodiode polarities
Attenuating coating also available
Packaged with a photodetector

HFE408x-322 Product Specification Sheet

Application note: VCSEL Optical Modes

Application note: High Speed Characteristics of VCSELs

Application note: Modulating VCSELs

Application note: VCSEL SPICE model

Reliability data: 850nm Proton VCSEL Reliability Study