Data Sheet
1 HL6378DG Rev.2 Mar. 08, 2013
HL6378DG
AIGaInP Laser Diode 642nm/90mW
Features:
Visible light output: 642nm Typ.
Optical output power: 80mW (CW)
Single transverse mode
Low operating current: 155mA Typ.
Low operating voltage: 2.7V Max.
Operating temperature: +50°C
TE mode oscillation
Applications
Laser module
Light source of optical equipments
Internal Circuit
Outline
Data Sheet HL6378DG
Absolute Maximum Ratings (Tc=25°C)
Item
Symbol
Ratings
Unit
Optical output power
Po
90
mW
LD Reverse Voltage
VR(LD)
2
V
PD Reverse Voltage
VR(PD)
30
V
Operating Temperature
Topr
-10 ~ +50
°C
Storage Temperature
Tstg
-40 ~ +85
°C
Optical and Electrical Characteristics (Tc=25°C)
Parameter
Symbol
Min
Typ
Max
Unit
Test Condition
Threshold current
Ith
-
80
95
mA
-
Operating current
Iop
-
155
175
mA
Po=80mW
Operating voltage
Vop
-
2.5
2.7
V
Po=80mW
Beam divergence Parallel to
the junction
//
7
10
13
o
Po=80mW
Beam divergence
Perpendicular to the junction

16
21
24
o
Po=80mW
Lasing Wavelength
p
635
642
645
nm
Po=80mW
Monitor current
Is
0.1
0.3
0.5
mA
Po=80mW, VR(PD)=5V
Data Sheet HL6378DG
Typical Characteristic Curves
Data Sheet HL6378DG
Cautions
1.Oclaro Japan,Inc.(OCJ) neither warrants nor grants licenses of any our lights or any third party’s patent, copyright, trademark, or
other intellectual property rights for information contained in this document, OCJ bears no responsibility for problems that may arise
with third party’s right, including intellectual property rights, in connection with use of the information contained in this document.
2.Products and product specifications may be subject to change without notice. Confirm that you have received the latest product
standards or specifications before final design, purchase or use.
3.OCJ makes every attempt to ensure that its products are of high quality and reliability. However, contact our sales office before
using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly
threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control,
transportation, traffic safety equipment or medical equipment for life support.
4.Design your application so that the products is used within the ranges guaranteed by OCJ. particularly for maximum rating,
operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. OCJ. bears no
responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider
normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-safes, so
that the equipment incorporating OCJ product does not cause bodily injury, fire or other consequential damage due to operation of
the OCJ product.
5.This product is not designed to be radiation resistant.
6.No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from OCJ.
7.Contact our sales office for any questions regarding this document or OCJ. products.
Contact Information
www.oclaro.com
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing
by Oclaro before they become applicable to any particular order or contract. In accordance with the Oclaro policy of continuous
improvement specifications may change without notice. Further details are available from any Oclaro sales representative.
HL6378DG Rev.2 Mar. 08, 2013
©Oclaro 2013. Oclaro the Oclaro, Inc. logo, and all other Oclaro, Inc product names and slogans
are trademarks or registered trademarks of Oclaro, Inc. in the U.S.A. or other countries. Products
described in this datasheet may be covered by one or more patents in the U.S.A. and abroad.
Information in this datasheet is subject to change without notice.
1.The laser light is harmful to human body especially to eye no matter what directly or indirectly. The laser beam shall be
observed or adjusted through infrared camera or equivalent.
2.This product (without violet laser diode) contains gallium arsenide (GaAs), which may seriously endanger your health
even at very low doses. Please avoid treatment which may create GaAs powder or gas, such as disassembly or performing
chemical experiments, when you handle the product. When disposing of the product, please follow the laws of your country
and separate it from other waste such as industrial waste and household garbage.