Vishay TSAL4400 - IR LED 940 nm 3 mm

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Vishay TSAL4400 - High power 940nm 3mm IR (infrared) GaAlAs/GaAs LED (emitter) - 940 nm 3 mm infrared LEDs, ROHS.

Technical data:

Peak wavelength 940 nm,
viewing angle 50 degrees (±25°),
high radiant intensity: 30 mW/sr,
high radiant power - total radiant flux 35 mW (according to data sheet), 23.1 mW (measured at 100 mA, after 60 s warm-up). Our results are slightly below those of the manufacturer, but are far more practical and make it easier to compare different LEDs.
forward current 100 mA, peak current 200 mA, surge current 1.5 A,
low forward voltage: 1.35 V @ 100 mA / 2.6 V @ 1 A,
switching times: rise time 800 ns / fall time 800 ns.


TSAL4400 is a high efficiency infrared emitting diode in GaAlAs on GaAs technology, molded in clear, bluegrey tinted plastic packages.

In comparison with the standard GaAs on GaAs technology these emitters achieve about 100% radiant power improvement at a similar wavelength. The forward voltages at low current and at high pulse current roughly correspond to the low values of the standard technology. Therefore these emitters are ideally suitable as high performance replacements of standard emitters.

A high-performance infrared emitter whose peak wavelength is 940nm. This high-output infrared LED is a perfect light source for various kinds of security systems that need higher radiation. They also can be used in products ranging from TV remotes and auto-focus cameras to electronic gates.


• Very highly efficient AlGaAs/GaAs LED;
• High reliability;
• Suitable for high pulse current operation / high pulse current handling capability;
• Good spectral matching to silicon photodetectors;
• Same package as Vishay detector TEFT4300;
• Package type: leaded;
• Package form: T-1 (diameter ∅3 mm), blue-grey plastic package;
• Lead (Pb)-free component in accordance with RoHS 2002/95/EC and WEEE 2002/96/EC.


• IR remote control units for hifi and TV sets, video tape recorders, dimmers;
• Free air transmission systems;
• Infrared source for optical counters and card readers;
• Light-reflection switches (max. 300 kHz);
• Coin counters;
• Sensor technology;
• Discrete optocoupler.


from 10 pcs per 0.45 EUR,
from 100 pcs per 0.35 EUR.

Data sheet Vishay TSAL4400 PDF

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الكلمات الرئيسية (العربية) : مخزون، التكلفة ، التسوق عبر الانترنت، الشراء الآن بتخفيضات، أمر شراء، بيع على الانترنت، أفضل الأسعار، الشراء الآن بتخفيضات على الانترنت، انخفاض الأسعار، التحقق من الأسعار ، الأشعة تحت الحمراء التي تنبعث منها الصمام الثنائي، الدوائر التطبيقية ، حرية الملاحة، على ضوء ينبعث من الصمام الثنائي الضوئي، قارن ، اختبار ، باعث، المصابيح، الآجل ، التركيب، ألمانيا.

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Delivery weight: 172 mg
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