Specifications (25^oC)

Symbol

Unit

K81S09W-2.50W

Optical data

CW-output power

P_o

W

2.5

Center wavelength ⁽¹⁾

λ_c

nm

808

Tolerance of λ

-

nm

±3, ±10

Spectral width (FWHM)

λ

nm

<3

Temperature drift of λ

-

nm/

~0.3

Emitting area

Dimensions

W×H

µm

150×1

FWHM

beam divergence

Parallel to junction

θ

degree

10

Perpendicular to junction

θ

degree

<40,<10,<2

Electrical data

Operation current

I_op

A

2.5

Threshold current

I_th

A

0.4

Conversion efficiency

η

%

40~55

Slope efficiency ⁽²⁾

η_D

W/A

0.8~1.2

Operation voltage

V_op

V

1.8

Reverse voltage

V_re

V

2

PD data

Current

I_mo

mA

0.20~1.50

TEC data

Max. current

I_t

A

4.0

Max. voltage

V_t

V

9.8

Thermistor data ⁽²⁾

Thermistor

R₀

(K )/β(25^oC)

10±5%/3477

Others

Operation temperature

T_op

^oC

10~30

Storage temperature

T_st

^oC

-20~80

Expected lifetime

MTBF

h

>10,000

Dimensions

-

mm

~44.5×31.8×18.0

Lead soldering temperature

T_is

^oC

260(10 sec.)