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GL514A
Sharp Microelectronics
EMITTER IR 950NM 150MA TO-18
2489 Pcs New Original In Stock
Infrared (IR) Emitter 950nm 1.35V 150mA 14° TO-18-2 Metal Can
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Minimum 1
Minimum 1
5.0 / 5.0
- (40 Ratings)
GL514A
Product Overview
7929757
DiGi Electronics Part Number
GL514A-DGManufacturer
Sharp Microelectronics
GL514A
Description
EMITTER IR 950NM 150MA TO-18Inventory
2489 Pcs New Original In Stock
Infrared (IR) Emitter 950nm 1.35V 150mA 14° TO-18-2 Metal Can
Quantity
Minimum 1
Minimum 1
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GL514A Technical Specifications
Category
LED Emitters - Infrared, UV, Visible
Packaging
-
Series
-
Product Status
Obsolete
Type
Infrared (IR)
Current - DC Forward (If) (Max)
150mA
Radiant Intensity (Ie) Min @ If
-
Wavelength
950nm
Voltage - Forward (Vf) (Typ)
1.35V
Viewing Angle
14°
Orientation
Top View
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Through Hole
Package / Case
TO-18-2 Metal Can
Datasheet & Documents
Datasheets
Download GL514A Product Specification (PDF)
HTML Datasheet
GL514A-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.41.0000
Additional Information
Standard Package
100
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
The longevity of their components ensures that I won’t have to replace parts prematurely, saving me money and time.
December 02, 2025
Their quick shipping ensures I can meet tight project schedules comfortably.
December 02, 2025
The logistics team was efficient, ensuring my order arrived intact and on time.
December 02, 2025
Consistent product performance every time reassures me I am purchasing from a reliable source.
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Frequently Asked Questions (FAQ)
Can the GL514A be used in high-temperature industrial environments, and what thermal design considerations should I follow to ensure reliability above 100°C ambient?
Yes, the GL514A is rated for operation up to 125°C ambient (TA), making it suitable for harsh environments. However, at elevated temperatures, ensure the forward current is derated appropriately to avoid overheating. Since the TO-18 metal can conducts heat primarily through leads, optimize PCB copper traces for thermal dissipation. Avoid placing near high-power components and consider pulsed operation to reduce average power dissipation and extend lifetime under sustained high-temperature conditions.
What are the risks of using the GL514A in a continuous DC application instead of pulsed mode, and how does this affect long-term emitter performance?
Operating the GL514A at its maximum 150mA DC forward current continuously increases junction temperature, accelerating lumen degradation and shortening operational life. For improved reliability, especially in enclosed or thermally constrained designs, use pulsed operation (e.g., 100Hz, 50% duty cycle) to maintain average current below 75–100mA. This reduces thermal stress and helps maintain optical output stability over time.
How does the narrow 14° viewing angle of the GL514A impact sensor alignment in encoder or object detection systems, and what mechanical tolerances should I target?
The GL514A’s 14° viewing angle requires precise optical alignment with the receiver, especially in encoder disks or break-beam sensors. Misalignment beyond ±2° can result in significant signal loss. Use tight-tolerance mounting fixtures (±0.1mm) and consider design features like alignment jigs during assembly. For wider coverage, evaluate if a secondary diffuser lens is needed, but verify it doesn’t block radiant intensity needed for long path lengths.
Is the GL514A suitable as a drop-in replacement for the obsolete VSMY28540 in a legacy IR transmission circuit, and what design adjustments are needed?
While both the GL514A and VSMY28540 are 950nm TO-18 emitters, they differ in radiant intensity and forward voltage characteristics. The GL514A has a typical Vf of 1.35V — verify compatibility with existing current-limiting resistors to avoid underdriving. Additionally, validate radiant output at 150mA in your optical path, as differences in intensity may require receiver gain adjustments. Not a true drop-in; perform full optical and electrical validation before substitution.
Given the GL514A is listed as obsolete, what are reliable long-term sourcing strategies and recommended cross-references for new designs?
Since the GL514A is obsolete, reliance on remaining stock (2422 pcs) is risky for production. Consider actively sourcing authorized distributors or bonded inventory with full traceability. For new designs, evaluate functional equivalents like the Everlight IR26A or Vishay TSUS5400, ensuring matching 950nm wavelength, 14° beam angle, and through-hole TO-18 compatibility. Prioritize parts with current availability and lifecycle support to avoid future requalification.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
GL514A CAD Models
Sharp Microelectronics GL514A PCB symbols & footprints
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