1

Visible Light Emitting Diodes (Red)

[Element moisture resistance]

It is difficult to guarantee that the LN145W will meet the moisture

resistance specifications (MIL-STD-202D) which are

commonly guaranteed for semiconductors.

1: Cathode

2: Anode

Unit : mm

0.8

±0.1

3.5

±0.15

4.5

±0.15

2.54

±0.2

0.45

±0.2

2-0.45

±0.15

2-1.2

±0.3

1.6

±0.15

2.1

±0.15

12

LN145W

GaAlAs Red Light Emitting Diode

Light source for optical fiber communications,

Features

Red light emission close to monochromatic light :

λ

High-power output, high-efficiency

High coupling characteristics and suits to a plastic fiber

High-speed response : –3dB modulation of 10MHz

Side-view flat resin package

Absolute Maximum Ratings (Ta = 25˚C)

Parameter

Symbol

Ratings

Unit

Power dissipation

120

mW

Forward current (DC)

40

mA

Pulse forward current

400

mA

Reverse voltage (DC)

3V

Operating ambient temperature

–25 to +85

˚C

Storage temperature

–30 to +100

˚C

Electro-Optical Characteristics (Ta = 25˚C)

Parameter

Symbol

Conditions

min

typ

max

Unit

Radiant power

2.5

4

mW

Peak emission wavelength

λ

P

700

nm

Spectral half band width

∆λ

35

nm

Forward voltage (DC)

1.8

2.2

V

Reverse current (DC)

100

µA

Half-power angle

θ

The angle in which radiant intencity is 50%

80

deg.

Response time

30

ns

Cutoff frequency

10

MHz

= – 3