Panasonic Infrared Light Emitting Diodes LN77L User Manual download pdf

SHC00023CED

This product complies with the RoHS Directive (EU 2002/95/EC).

Publication date: October 2008

Infrared Light Emitting Diodes

LN77L

GaAIAs Infrared Light Emitting Diode

For optical control systems

 Features

 High-power output, high-efﬁciency: P

= 18 mW (typ.)

 Fast response and high-speed modulation capability: f

= 20 MHz (typ.)

 Wide directivity: θ = 20° (typ.)

 Transparent epoxy resin package

Absolute Maximum Ratings T

= 25°C

Parameter Symbol Rating Unit

Power dissipation P

190 mW

Forward current I

100 mA

Pulse forward current

1 A

Reverse voltage V

3 V

Operating ambient temperature T

opr

–25 to +85

°C

Storage temperature T

stg

–30 to +100

°C

Note)

: f = 100 Hz, Duty cycle = 0.1%

Electro-Optical Characteristics T

= 25°C±3°C

Parameter Symbol Conditions Min Typ Max Unit

Radiant power P

= 50 mA 10 18 mW

Reverse current I

= 3 V 10 µA

Forward voltage V

= 100 mA 1.6 1.9 V

Peak emission wavelength

= 50 mA 860 nm

Spectral half band width

Δλ

= 50 mA 40 nm

Half-power angle

The angle when the radiant power is halved. 20

Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7031 measuring methods for diodes.

2. Modulation total power output 3 dB frequency to fall from 1 MHz.

Cutoff frequency: 20 MHz

: 10 × log

at f = f

= –3

at f = 1 MHz

3. LED might radiate red light under large current drive.

: A light detection element uses a silicon diode have proofread a load with a standard device.

1 2 3 4

SHC00023CED 1
LEXLTN2S0002 3

Summary of Contents

Page 1 - SHC00023CED

SHC00023CED This product complies with the RoHS Directive (EU 2002/95/EC).Publication date: October 20081Infrared Light Emitting DiodesLN77LGaAIAs In

Page 2

SHC00023CED This product complies with the RoHS Directive (EU 2002/95/EC).LN77L2 Ambient temperature Ta (°C)Forward current IF (mA)12010080604020

Page 3 - LEXLTN2S0002

SHC00023CED This product complies with the RoHS Directive (EU 2002/95/EC).LN77L3Package (Unit: mm)LEXLTN2S0002Pin name 1: Anode 2: Cathode

Page 4

Request for your special attention and precautions in using the technical information andsemiconductors described in this book(1)If any of the produc

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Panasonic Infrared Light Emitting Diodes LN77L User Manual

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