L8506

更新时间： 2024-10-18 22:31:39

品牌	Logo	应用领域
HAMAMATSU		二极管
页数	文件大小	规格书
2页	108K
描述
Infrared LED

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中文翻译

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数据手册

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L8506 数据手册

L E D

Infrared LED

L8506

LED emitting collimated light

When an LED is used for optical encoders, it must emit a uniform, small spot light. L8506 is an infrared LED that emits such a light beam

collimated by the combination of an aspheric lens. L8506 uses a non-confined structure chip that does not show an abrupt deterioration often

encountered with some types of confined chips. The structure of L8506 is also designed to have high resistance to cyclic temperature changes so

it copes with tough environmental conditions required for optical encoders used in factories.

Features

Applications

Collimated light beam

Uniform spot light

Optical encoder

Optical switch

Narrow directivity: 5ꢀ

High-speed response: 40 MHz Typ.

High reliability

ꢀꢀAbsolute maximum ratings (Ta=25 °C, unless otherwise noted)

Parameter

Reverse voltage

Symbol

Condition

Value

Unit

Forward current

Forward current reduction rate

0.67

mA/°C

Pulse width=10 µs

Duty ratio=1 %

Pulse forward current

IFP

0.5

Pulse forward current reduction rate

Power dissipation

Operating temperature

Storage temperature

Topr

Tstg

150

-30 to +85

-40 to +100

mA/°C

°C

ꢀꢀElectrical and optical characteristics (Ta=25 °C)

Parameter

Peak emission wavelength

Spectral half width

Radiant flux

Symbol

Condition

IF=50 mA

Min.

840

3.4

Typ.

870

5.8

1.6

Max.

900

1.75

Unit

µA

MHz

λp

∆λ

φe

IF=50 mA

Forward voltage

IF=50 mA

Reverse current

VR=5 V

IF=30 mA

IF=30 mA 4 mAp-p

Spot light size *¹

4.3

Cut-off frequency *²

*1: Full width at half maximum, measurement distance (from the sensor to the bottom surface of L8506’s base)=10 mm

*2: Frequency at which the light output drops by -3 dB from that at 100 kHz.

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