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GL381
Sharp Microelectronics
EMITTER IR 950NM 60MA T-1
1627 Pcs New Original In Stock
Infrared (IR) Emitter 950nm 1.3V 60mA 8.5mW/sr @ 50mA 26° T-1
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5.0 / 5.0
- (491 Ratings)
GL381
Product Overview
7925372
DiGi Electronics Part Number
GL381-DGManufacturer
Sharp Microelectronics
GL381
Description
EMITTER IR 950NM 60MA T-1Inventory
1627 Pcs New Original In Stock
Infrared (IR) Emitter 950nm 1.3V 60mA 8.5mW/sr @ 50mA 26° T-1
Quantity
Minimum 1
Minimum 1
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GL381 Technical Specifications
Category
LED Emitters - Infrared, UV, Visible
Packaging
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Series
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Datasheet & Documents
Datasheets
Download GL381 Product Specification (PDF)
HTML Datasheet
GL381-DG
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
從早期使用到現在，DiGi Electronics的產品依然保持良好的狀態，品質一如既往！
December 02, 2025
Leur équipe après-vente prend le temps d'expliquer chaque étape, ce qui est très rassurant.
December 02, 2025
Der Versand war unglaublich schnell und die Verpackung hat alles sicher geschützt.
December 02, 2025
Their speedy dispatch and economical prices help me stay productive and within budget.
December 02, 2025
Fast turnaround time with secure and professional packaging.
December 02, 2025
Every shipment arrives on time, regardless of order size, demonstrating their dependability.
December 02, 2025
The reliability in their delivery schedule is fantastic; I always get my orders sooner than expected.
December 02, 2025
My urgent order was handled with utmost speed and professionalism.
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Frequently Asked Questions (FAQ)
When designing with the Sharp Microelectronics GL381 IR emitter, what are the critical considerations for ensuring optimal power output and avoiding premature degradation in high-temperature environments?
For the Sharp Microelectronics GL381, exceeding its 60mA continuous forward current rating or operating in ambient temperatures significantly above its specified range can lead to reduced radiant intensity and accelerated aging. To mitigate this, implement current limiting resistors precisely calculated to keep the GL381 within its 60mA limit, even under worst-case temperature fluctuations. Consider thermal management strategies like heat sinks or airflow if the application involves sustained high power dissipation, ensuring junction temperature remains well below the absolute maximum rating to maintain long-term reliability.
What are the potential integration challenges and mitigation strategies when replacing an older or unspecified IR emitter with the Sharp Microelectronics GL381 950nm part in an existing system?
Replacing an unspecified IR emitter with the Sharp Microelectronics GL381 requires careful verification of forward voltage and current characteristics. If the existing driver circuit is designed for a significantly different Vf, it may lead to overcurrent or undercurrent conditions for the GL381. Verify the driver's output voltage and current capability. If the GL381's 1.3V forward voltage at 60mA differs from the original part, recalculate or adjust the current-limiting resistor to ensure the GL381 operates at its intended 60mA. Also, confirm the GL381's package (T-1) is a direct mechanical fit for the existing board footprint.
How does the radiant intensity performance of the Sharp Microelectronics GL381 at 950nm compare to other common IR emitters like the Vishay TSAL6200 or Lite-On LTST-S150KRBT, and what are the implications for detection range in similar applications?
The Sharp Microelectronics GL381 offers a radiant intensity of 8.5mW/sr at 50mA, which is competitive but may differ from other parts. For instance, the Vishay TSAL6200 typically offers higher intensity at similar currents, potentially extending detection range. The Lite-On LTST-S150KRBT may have different beam angles and intensity profiles. When comparing, prioritize the GL381's 8.5mW/sr spec to ensure your system's receiver can adequately detect signals at the desired range, considering the beam divergence of each emitter. If extended range is critical, you might need to consider driving the GL381 closer to its 60mA limit (with appropriate thermal management) or explore higher-intensity alternatives if the GL381 falls short.
What specific reliability concerns should be addressed during the design-in phase for the Sharp Microelectronics GL381 IR emitter, particularly regarding its long-term stability and susceptibility to environmental factors?
The Sharp Microelectronics GL381, like most IR emitters, can be susceptible to long-term degradation from exposure to excessive current, heat, and certain chemical contaminants. While its 60mA rating is standard, consistent operation near this limit without proper thermal dissipation can accelerate lumen depreciation. Ensure the chosen encapsulation material for your final product is compatible and does not outgas corrosive elements. Regular product lifecycle testing with the GL381 in its intended operating environment is crucial to confirm its projected lifespan and identify any potential reliability weaknesses before mass production.
When incorporating the Sharp Microelectronics GL381 into a pulsed operation system for increased peak power, what are the safety margins and potential risks associated with exceeding its continuous 60mA rating for short durations?
Pulsed operation with the Sharp Microelectronics GL381 can allow for higher peak currents, potentially increasing radiant output for short bursts. However, it's critical to understand the GL381's peak pulse current rating (which is not detailed here but is crucial to find in a full datasheet). Exceeding this peak rating, even for short durations, can lead to localized heating and irreversible damage to the semiconductor junction, drastically reducing its lifespan or causing immediate failure. Carefully calculate the duty cycle and pulse width to ensure the average power dissipation and peak junction temperature remain within safe limits. A conservative approach, staying well below the absolute maximum pulsed current rating, is recommended to ensure reliable operation of the GL381.
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.
GL381 CAD Models
Sharp Microelectronics GL381 PCB symbols & footprints
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