HongKong Double Light Electronics Technology Co. Ltd

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T-1 3/4 Type Ultra Red Light Emitting Diode LED 1.8-2.6V Forward Voltage @20ma

T-1 3/4 Type Ultra Red Light Emitting Diode LED 1.8-2.6V Forward Voltage @20ma

T-1 3/4 Type Ultra Red Light Emitting Diode LED 1.8-2.6V Forward Voltage @20ma

Product Details:

Place of Origin: China
Brand Name: Double Light
Certification: RoHS/ REACH
Model Number: DL-503SRCA-1SR30

Payment & Shipping Terms:

Minimum Order Quantity: 1,000pcs/Real
Price: US$ 0.03-0.035per unit (Pieces)
Payment Terms: Telegraphic Transfer in Advance (Advance TT, T/T)
Supply Ability: 2,000,000pcs per day
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Detailed Product Description
Product Name: 5mm Round T-1 3/4 Type Ultra Red LED Package: 5mm Round T-1 3/4 Type DIP LED
Emitted Color: Ultra Red Product Number: DL-503SRCA-1SR30
Color Temperature: 615-625nm Lens Type: Water Clear
Forward Voltage @20ma: 1.8-2.6V Viewing Angle: 30 Deg



        This is 5mm round T-1 3/4 type ultra red LED, its lens color is water clear and the emitting color of this size is changeable.



Part No. Chip Material Lens Color Source Color
DL-503SRCA-1SR30 AlGaInP Water Clear Ultra Red



  • All dimensions are in millimeters (inches).
  • Tolerance is ± 0.25 mm (.010″) unless otherwise noted.
  • Protruded resin under flange is 1.00 mm (.04″) max

Specifications are subject to change without notice.



  • Popular T-1 3/4 diameter package.
  • High efficiency.
  • Selected minimum intensities.
  • Available on tape and reel.
  • Reliable and robust.
  • The product itself will remain within RoHS compliant Version.



  • The series is specially designed for applications requiring higher brightness.
  • The LED lamps are available with different colors, intensities.



  • TV set.
  • Monitor.
  • Telephone.
  • Computer.
  • Circuit board.
  • Status indicators.
  • Commercial use.
  • Advertising Signs.
  • Back lighting.                                                                                                                                                                                                                                                                       Absolute Maximum Ratings at Ta=25
Parameters Symbol Max. Unit
Power Dissipation PD 78 mW

Peak Forward Current

(1/10 Duty Cycle, 0.1ms Pulse Width)

IFP 100 mA
Forward Current IF 30 mA
Reverse Voltage VR 5 V
Operating Temperature Range Topr -40℃ to +85℃
Storage Temperature Range Tstg -40℃ to +100℃

Lead Soldering Temperature

[4mm (.157″) From Body]

Tsld 260℃ for 5 Seconds



Electrical Optical Characteristics at Ta=25

Parameters Symbol Min. Typ. Max. Unit Test Condition

Luminous Intensity

(Note 1)*

IV 1000 1700 --- mcd IF=20mA
Viewing Angle* 1/2 --- 30 --- Deg (Note 2)
Peak Emission Wavelength λp --- 630 --- nm IF=20mA
Dominant Wavelength λd --- 619 --- nm IF=20mA
Spectrum Radiation Bandwidth Δλ --- 20 --- nm IF=20mA
Forward Voltage VF 1.80 2.20 2.80 V IF=20mA
Reverse Current IR --- --- 10 µA VR=5V



  • Luminous Intensity Measurement allowance is ± 10%.
  • θ1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.

Contact Details
HongKong Double Light Electronics Technology Co. Ltd

Contact Person: Tanky

Tel: +8613750005407

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