RLD-78PP-G1 查看數據表（PDF） - ROHM Semiconductor

零件编号

产品描述 (功能)

比赛名单

RLD-78PP-G1

Title AlGaAs, double-heterojunction, visible laser diodes

ROHM Semiconductor 

Laser Diodes

RLD-78PP-G1 / RLD-78NP-G1

!Electrical and optical characteristics (Ta=25°C)

Parameter

Threshold current

Operating current

Operating voltage

Differential efficiency

Symbol

Ith

Iop

Vop

η

Min. Typ. Max. Unit

Conditions

10 25 45

mA

-

15 45 65

mA Po=3mW

- 1.9 2.3

V Po=3mW

0.1

0.2

0.3

mW/mA

2mW

I(3mW)−I(1mW)

Monitor current

Im

0.3 0.55 0.9 mA Po=3mW

Parallel divergence

angle

θ //*

8 11 15 deg

Perpendicular

divergence angle

θ ⊥*

Parallel deviation angle ∆φ //

25 30 38

-

- ±2

deg

Po=3mW

deg

Perpendicular deviation

angle

∆φ ⊥

Emission point

accuracy

∆X

∆Y

∆Z

Peak emission

wavelength

λ

-

- ±3

-

- ±80

770 785 795

deg

µm

-

nm Po=3mW

Droop

∆P

-

5 10

% Po=3mW

*θ // and θ ⊥ are defined as the angle within which the intensity is 50% of the peak value.

!Electrical and optical curves

5

100

90

80

25˚C

70

4

40˚C

50˚C

60

60˚C

50

3

40

30

2

20

1

0

10 20 30 40 50 60 70 80

OPERATING CURRENT : IF (mA)

Fig. 1 Optical output vs. operating current

10

-20 -10 0 10 20 30 40 50 60 70

PACKAGE TEMPERATURE : TC (˚C)

Fig. 2 Dependence of threshold current

on temperature

1.0

θ direction

θ direction

0.5

0

-40

0

40

ANGLE (deg)

Fig. 3 Far field pattern

Share Link: