This document describes Fairchild Semiconductor Corporation's T-3/4 subminiature LED lamps, including high-efficiency red, yellow, and green lamps. The lamps feature tinted diffused or water clear epoxy lenses in AIGaAs red, high-efficiency red, green, and yellow, producing wide-angle beam emission and sharp on/off contrast. They are available with various lead bend forms for different mounting requirements.
The Subminiature T-3/4 LED family includes high‑efficiency red, yellow, green and AlGaAs red devices offered in both diffused and water‑clear epoxy lenses. The lamps are supplied in a square‑base, transfer‑molded package with axial leads and are available in gullwing, yoke and Z‑bend lead configurations for surface‑mount applications.
The document lists electrical and optical parameters such as forward voltage, luminous intensity, peak wavelength and viewing angle, and provides recommended PCB trace patterns, reflow soldering profiles, and handling guidelines for automated placement equipment.
| Viewing Angle | 50° |
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The lamps are offered in gullwing, yoke, and Z‑bend lead forms.