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Specifications of 650nm 5mW Laser Diode 

Model No. LD-650-5A

Features

  • 5mW 650nm laser diode in TO-18 (5.6mm) package

  • FFP single lateral mode

  • High precision assembly

  • High reliability

Applications

  • General purpose red laser light source

  • Industrial laser markers / measuring instruments

  • Laser pointers

Absolute maximum ratings

Parameter

Symbol

Condition

Rating

Unit

Light output power

PO

CW

7

mW

Reverse voltage (LD)

VRL

-

2

V

Reverse voltage (PD)

VRD

-

30

V

Forward current (PD)

IFD

-

10

mA

Case temperature

TC

-

-10~+50

oC

Storage temperature

TS

-

-40~+85

oC

 

   

 

 

 

Electrical and optical characteristics (Tc=22+/-2 oC)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Peak wavelength

l

645

655

660

nm

Po =5mW

Threshold current

Ith

-

18

25

mA

 

Operating current

Iop

-

25

35

mA

Po =5mW

Operating voltage

Vop

-

2.2

2.5

V

Po =5mW

Differential efficiency

h

0.4

0.7

1.1

mW/mA

Po =3-5mW

Monitor current

Im

0.1

0.15

0.4

mA

Po =5mW, VRD=5V

Parallel divergence angle

q//

6

9

11

deg

 

 

Po =5mW

Perpendicular divergence angle

q^

24

28

38

deg

Parallel FFP deviation angle

Dq//

-

-

±3

deg

Perpendicular FFP deviation angle

Dq^

-

-

±3

deg

Emission point accuracy

DxDyDz

-

-

±80

um

Precautions

  • Do not operate the device above the maximum rating condition, even momentarily.  It may cause unexpected permanent damage to the device.

  • Semiconductor laser device is very sensitive to electrostatic discharge.  High voltage spike current may change the characteristics of the device, or malfunction at any time during its service period.  Therefore, proper measures for preventing electrostatic discharge are strongly recommended.

  • Effective heat sink can help the device operates under a more relax condition; as a result, a more stable characteristics and better reliability can be achieved.  So it is recommended that always apply proper heat sink before the device is operating.

  • Do not look into the laser beam directly by bare eyes.  The laser beam may cause severe damage to human eyes.

  • Above specifications are subject to change without notice.

Mechanical Outline: 

unit mm

 Pin Configuration:

Bottom View

The above specifications are subject to change without notice. 
If you have any comments or request for detail product information, please fill the
Quotation & Information Request Form or e-mail to: info@lasermate.com.

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