1

Visible Light Emitting Diodes (Red)

LNA4501F (LN124W)

GaAlAs Red Light Emitting Diode

For optical fiber communications and control systems

ø4.4

±0.2

ø4.8

±0.2

C0.2

2.54

2-1.0

±0.1

2- 0.6

±0.15

1

2

1: Cathode

2: Anode

Unit : mm

Features

Red light emission close to monochromatic light :

λ

High coupling characteristics and suits to a plastic fiber

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

Flat resin package : ø 4.8 mm

Absolute Maximum Ratings (Ta = 25˚C)

Parameter

Symbol

Ratings

Unit

Power dissipation

120

mW

Forward current (DC)

40

mA

Pulse forward current

200

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

1

3

mW

Peak emission wavelength

λ

P

680

nm

Spectral half band width

∆λ

20

nm

Forward voltage (DC)

1.8

2.6

V

Reverse current (DC)

100

µA

Response time

30

ns

Half-power angle

θ

The angle in which radiant intencity is 50%

30

deg.

Note : Before using this product, be sure provide and/or receive approvals regarding individual specifications.

Note) The part number in the parenthesis shows conventional part number.