Specifications
| Type | Description |
|---|---|
| Part Number | LTST-C150KRKT |
| Manufacturer | LITE-ON Technology Corp. / Optoelectronics |
| Product Type | SMD LED |
| Category | LED |
| Component Type | LED |
| Package / Case | SMD LED, EIA standard package; dimensions not provided in extracted text |
| Lens | Water Clear |
| Source Color | AlInGaP Red |
| LED Chip Material | AlInGaP |
| RoHS Compliance | Meets RoHS |
| Power Dissipation | 62.5 mW at Ta=25°C |
| Peak Forward Current | 50 mA, 1/10 duty cycle, 0.1 ms pulse width, Ta=25°C |
| DC Forward Current | 25 mA at Ta=25°C |
| Reverse Voltage | 5 V at Ta=25°C |
| Operating Temperature Range | -30°C to +85°C |
| Storage Temperature Range | -40°C to +85°C |
| Infrared Soldering Condition | 260°C for 10 seconds |
| Luminous Intensity | 18.0 mcd min, 54.0 mcd typ at IF=20 mA, Ta=25°C |
| Viewing Angle | 130 deg, 2θ1/2, Ta=25°C |
| Peak Emission Wavelength | 639 nm measured at peak, Ta=25°C |
| Dominant Wavelength | 624 nm min, 638 nm max at Ta=25°C |
| Spectral Line Half-Width | 20 nm at Ta=25°C |
| Forward Voltage | 2.0 V typ, 2.4 V max at IF=20 mA, Ta=25°C |
| Reverse Current | 10 μA max at VR=5 V, Ta=25°C |
| Luminous Intensity Bin M | 18.0 mcd min, 28.0 mcd max at IF=20 mA |
| Luminous Intensity Bin N | 28.0 mcd min, 45.0 mcd max at IF=20 mA |
| Luminous Intensity Bin P | 45.0 mcd min, 71.0 mcd max at IF=20 mA |
| Luminous Intensity Bin Q | 71.0 mcd min, 112.0 mcd max at IF=20 mA |
| Luminous Intensity Bin R | 112.0 mcd min, 180.0 mcd max at IF=20 mA |
| Luminous Intensity Bin Tolerance | ±15% for each intensity bin |
| Reel Quantity | 3000 pieces per reel on 7 inch reel |
| Minimum Packing Quantity | 500 pcs for remainders |
| Reflow Soldering Preheat Temperature | 150°C to 200°C |
| Reflow Soldering Preheat Time | 120 seconds max |
| Reflow Soldering Peak Temperature | 260°C max, one time only |
| Reflow Soldering Time | 10 seconds max, maximum two times |
| Soldering Iron Temperature | 300°C max |
| Soldering Iron Time | 3 seconds max |
| Datasheet Status | request_only |
Product Overview
LTST-C150KRKT is a LITE-ON Technology Corp. / Optoelectronics surface mount red LED categorized as an LED component. The extracted datasheet identifies it as an SMD LED in an EIA standard package, with package dimensions not provided in the extracted text. The optical construction uses an AlInGaP red source and a water-clear lens.
At IF=20 mA and Ta=25°C, luminous intensity is specified at 18.0 mcd minimum and 54.0 mcd typical, with available intensity bins from M through R. Optical characteristics include a 130 degree viewing angle, 639 nm peak emission wavelength, 624 nm to 638 nm dominant wavelength range, and 20 nm spectral line half-width.
Electrical and assembly limits include 62.5 mW power dissipation, 25 mA DC forward current, 50 mA peak forward current for 1/10 duty cycle and 0.1 ms pulse width, 5 V reverse voltage, and 10 μA maximum reverse current at VR=5 V. Reflow soldering supports 150°C to 200°C preheat and 260°C maximum peak temperature under the stated datasheet conditions.
Key Features
- Surface mount red LED in EIA standard package
- AlInGaP red source with water-clear lens
- 18.0 mcd minimum luminous intensity at IF=20 mA
- 54.0 mcd typical luminous intensity at IF=20 mA
- 130 degree viewing angle at Ta=25°C
- 639 nm peak emission wavelength
- 2.0 V typical forward voltage at IF=20 mA
- 25 mA DC forward current rating
- 5 V reverse voltage rating
- Meets RoHS requirements per datasheet
Typical Applications
- Red status indicators
- Panel indicator lamps
- Compact SMD indicator circuits
- Equipment front-panel signaling
- Board-level visual indication
- Red wavelength optical indication
Procurement Notes
When requesting a quote for LTST-C150KRKT, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For LED and optoelectronic sourcing, brightness bin, wavelength or color temperature bin, forward voltage range, viewing angle, moisture sensitivity level and soldering process limits may affect final selection, availability and lead time.
FAQ
What type of LED is LTST-C150KRKT?
LTST-C150KRKT is a surface mount red LED from LITE-ON Technology Corp. / Optoelectronics. The extracted datasheet identifies an AlInGaP red source, water-clear lens, and SMD LED EIA standard package.
What are the main optical specifications for LTST-C150KRKT?
At IF=20 mA and Ta=25°C, luminous intensity is 18.0 mcd minimum and 54.0 mcd typical. The viewing angle is 130 degrees, peak emission wavelength is 639 nm, and dominant wavelength is 624 nm to 638 nm.
What soldering limits are specified for this LED?
Recommended reflow conditions include 150°C to 200°C preheat for 120 seconds maximum and 260°C maximum peak temperature. The datasheet also specifies 10 seconds maximum reflow time and 300°C maximum soldering iron temperature for 3 seconds maximum.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 31, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.