LITE-ON

TECHNOLOGY

CORPORATION

P r o p e r t y o f L i t e - O n O n l y

Electrical

Optical

Characteristics

At

Ta=25℃

℃

℃

℃

Parameter

Symbol

Part No.

LTST-

Min.

Typ.

Max.

Unit

Test Condition

Luminous Intensity

IV

S321TGKT-5A

28.0

180.0

mcd

IF = 5mA

Note 1

Viewing Angle

2θ1/2

S321TGKT-5A

130

deg

Note 2 (Fig.5)

Peak Emission Wavelength

λP

S321TGKT-5A

530

nm

Measurement

@Peak (Fig.1)

Dominant Wavelength

λd

S321TGKT-5A

520

530

540

nm

IF = 5mA

Note 3

Spectral Line Half-Width

Δλ

S321TGKT-5A

35

nm

Forward Voltage

VF

S321TGKT-5A

2.60

-

3.20

V

IF = 5mA

Reverse Current

IR

S321TGKT-5A

10

μA

VR = 5V

Note 5

Notes: 1. Luminous intensity is measured with a light sensor and filter combination that approximates the

CIE eye-response curve.

2. θ1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.

3. The dominant wavelength, λd is derived from the CIE chromaticity diagram and represents the

single wavelength which defines the color of the device.

4. Caution in ESD:

Static Electricity and surge damages the LED. It is recommend to use a wrist band or anti-electrostatic

glove when handling the LED. All devices, equipment and machinery must be properly grounded.

5. Reverse voltage (VR) condition is applied to IR test only. The device is not designed for reverse operation

Part

No. : LTST-S321TGKT-5A

Page :

4

of

12

BNS-OD-C131/A4