KINGBRIGHT L-474IT User Manual

T-1 (3mm) CYLINDRICAL LED LAMP

P/N: L-474IT HIGH EFFICIENCY RED

Features

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WIDE VIEWING ANGLE.

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LOW POWER CONSUMPTION.

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RELIABLE AND RUGGED.

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LONG LIFE - SOLID STATE RELIABILITY.

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RoHS COMPLIANT.

Package Dimensions

Description

The High Efficiency Red source color devices are
made with Gallium Arsenide Phosphide on Gallium
Phosphide Orange Light Emitting Diode.

Notes:

1. All dimensions are in millimeters (inches).

2. Tolerance is ±0.25(0.01") unless otherwise noted.

3. Lead spacing is measured where the leads emerge from the package.

4. Specifications are subject to change without notice.

SPEC NO: DSAD0490 REV NO: V.3 DATE: MAR/27/2006 PAGE: 1 OF 3
APPROVED: J. Lu CHECKED: Allen Liu DRAWN: Y.L.LI

Selection Guide

Viewing

Iv (mcd) [2]

Part No. Dice Lens Type

@ 10mA

Min. Typ.

L-474IT HIGH EFFICIENCY RED (GaAsP/GaP) RED TRANSPARENT 3 8

Notes:

1/2 is the angle from optical centerline where the luminous intensity is 1/2 the optical centerline value.

1. θ

2.Luminous Intensity / Luminous Flux: +/-15%.

Electrical / Optical Characteristics at TA=25°C

Symbol Parameter Device Typ. Max. Test ConditionsUnits

λpeak

Peak Wavelength High Efficiency Red 627 nm IF=20mA

Angle [1]

2 θ

θ 1/2

θ θ

130°

λD[1]
∆λ1/2

Dominant Wavelength High Efficiency Red 625 nm IF=20mA

Spectral Line Half-width High Efficiency Red 45 nm IF=20mA

C Capacitance High Efficiency Red 15 pF VF=0V;f=1MHz

VF[2] Forward Voltage High Efficiency Red 2.0 2.5 V IF=20mA

IR Reverse Current High Efficiency Red 10 uA VR = 5V

Notes:

1. Wavelength: +/-1nm.

2. Forward Voltage: +/-0.1V.

Absolute Maximum Ratings at TA=25°C

Parameter High Efficiency Red Units

Power dissipation 105 mW
DC Forward Current 30 mA
Peak Forward Current [1] 160 mA
Reverse Voltage 5 V
Operating/Storage Temperature -40°C To +85°C

Lead Solder Temperature [2] 260°C For 3 Seconds
Lead Solder Temperature [3] 260°C For 5 Seconds

Notes:

1. 1/10 Duty Cycle, 0.1ms Pulse Width.

2. 2mm below package base.

3. 5mm below package base.

SPEC NO: DSAD0490 REV NO: V.3 DATE: MAR/27/2006 PAGE: 2 OF 3
APPROVED: J. Lu CHECKED: Allen Liu DRAWN: Y.L.LI