LTST-T680KRKT Lite-On Electronics, LTST-T680KRKT Datasheet - Page 3

• Manufacturer Part Number: LTST-T680KRKT
• Description: Standard LED - SMD Red 631nm 140mcd 20mA
• Manufacturer: Lite-On Electronics

Specifications of LTST-T680KRKT

• Led Size: 3.5 mm
• Illumination Color: Red
• Lens Color/style: Water Clear
• Operating Voltage: 2 V
• Wavelength: 631 nm
• Luminous Intensity: 140 mcd
• Mounting Style: SMD/SMT
• Operating Current: 20 mA
• Lens Dimensions: 2.2 mm
• Lens Shape: Round
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Peak Wavelength: 639 nm
• Viewing Angle: 120 deg
• Color: Red
• Millicandela Rating: 147.5mcd
• Current - Test: 20mA
• Wavelength - Dominant: 631nm
• Wavelength - Peak: 639nm
• Voltage - Forward (vf) Typ: 2V
• Lens Type: Clear
• Lens Style/size: Round, 2.2mm
• Package / Case: 2-PLCC
• Size / Dimension: 3.50mm L x 2.80mm W
• Height: 1.90mm
• Mounting Type: Surface Mount
• Resistance Tolerance: 631nm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Luminous Flux @ Current - Test: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 160-1847-2

BNS-OD-C131/A4
NOTE: 1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE
Part No. : LTST-T680KRKT
Luminous Intensity
Viewing Angle
Peak Emission Wavelength
Dominant Wavelength
Spectral Line Half-Width
Forward Voltage
Reverse Current
Electrical / Optical Characteristics at Ta=25 ℃ ℃ ℃ ℃
2. θ 1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
3. The dominant wavelength, λ d is derived from the CIE chromaticity diagram and represents the single
4. Forward Voltage Tolerance is +/- 0.1 volt.
Parameter
eye-response curve.
wavelength which defines the color of the device.
Symbol
LITE-ON TECHNOLOGY CORPORATION
2
VF
IV
IR
P
1/2
d
P r o p e r t y o f L i t e - O n O n l y
T680KRKT
T680KRKT
T680KRKT
T680KRKT
T680KRKT
T680KRKT
T680KRKT
Part No.
LTST-
Min.
71.0
Typ.
120
639
631
2.0
20
224.0
Max.
2.4
10
Page :
Unit
mcd
μ A
deg
nm
nm
nm
V
3
Test Condition
@Peak (Fig.1)
Note 2 (Fig.5)
Measurement
of
IF = 20mA
IF = 20mA
VR = 5V
Note 1
Note 3
11