Osram SFH4545 - High speed power 940nm 5mm IR LED (infrared emitter), ROHS. Like Osram SFH4546, but with narrower viewing angle and higher radiant intensity.
Technical data:
Peak wavelength 950 nm,
centroid wavelength 940 nm,
very narrow viewing angle - 10 degrees (±5°),
radiant intensity group DW (bin 1): Osram SFH4545-DW: min. 400 mW/sr, typ. 500 mW/sr, max. 800 mW/sr at 100 mA, typ. 4200 mW/sr at 1 A,
radiant intensity group EW (bin 2): Osram SFH4545-EW - on request: min. 630 mW/sr, max. 1250 mW/sr at 100 mA, typ. 6500 mW/sr at 1 A,
total radiant flux 55 mW (according to data sheet), 40.6 mW (measured for Osram SFH4545-DW 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, surge current 1.5 A,
forward voltage 1.5 V / <1.8 V (at 100 mA), 2.3 V / <3.0 V (at 1 A),
very short switching times: rise time 11 ns, fall time 11 ns.
Features:
• Vendor - OSRAM Opto Semiconductors Inc.;
• High power infrared LED;
• Narrow emission angle;
• Very high radiant intensity;
• Short switching times;
• High reliability;
• High pulse handling capability;
• Good spectral match to silicon photodetectors;
• Package / case - 5 mm plastic, radial, 2 leads;
• Mounting type - through hole;
• Orientation - top view;
• Packaging - bulk;
• Lead free status - lead free;
• RoHS status - RoHS compliant.
Applications:
• Industry-standard infrared LED for outdoor laser tag applications. Eye-safe non-coherent infrared source. Best choice for DIY systems. Replacement / upgrade for nearly all commercial laser tag systems. 10-degree beam angle. 1.5 A max pulse current. Better than popular LED Vishay TSAL6100;
• Touchscreens;
• Telecommunications;
• Infrared illumination for cameras; (IR - illumination), these LEDs are not visible in the dark and have great power;
• Control via IR codes from a distance (remote control). For example, to switch on / off the lights on a scale model airplane. Standard IR LEDs do not have the necessary range;
• Sensor technology;
• Data transmission - Fast data transfer with a greater range;
• Industrial LED-lights for Machine Vision.
Safety Advices:
Depending on the mode of operation, these devices emit highly concentrated non visible infrared light which can be hazardous to the human eye. Products which incorporate these devices have to follow the safety precautions given in IEC 60825-1 and IEC 62471. Don't look into beam! Invisible radiation. Class III laser-like product.
Prices:
from 50 pcs per 1.30 EUR,
from 100 pcs per 1.10 EUR.
Data sheet OSRAM SFH4545 PDF
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赤外LED SFH4545。発光波長940nm／950nmの5mm砲弾型。半値角を10°(±5°)と絞った指向特性を備えており、SFH4545についてはTyp. 500mW/sr@IF=100mAの高い放射強度を実現できる。車載をはじめ監視カメラなど、赤外照明を必要とするアプリケーションのほか、ライトカーテンなどにも適している。
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