QED121, QED122, and QED123 are 880nm AlGaAs LEDs encapsulated in a clear peach tinted, plastic T-1 3/4 package. They feature a narrow emission angle and high output power.
This document is a datasheet for the Fairchild Semiconductor QED121, QED122, and QED123 series of plastic infrared light emitting diodes (LEDs). These devices utilize AlGaAs chip material and are encapsulated in a clear, peach-tinted plastic T-1 3/4 package with a 5mm lens diameter. They are designed with a narrow emission angle of 16 degrees and high output power, specifically intended to match with QSD122, QSD123, and QSD124 photosensors.
| Chip Material | AlGaAs |
|---|---|
| Package Type | T-1 3/4 (5mm lens diameter) |
| Emission Angle | 16° |
| Operating Temperature | -40 to +100 °C |
| Continuous Forward Current | 100 mA |
| Reverse Voltage | 5 V |
| Power Dissipation | 200 mW |
| Radiant Intensity (QED121) | 16 to 40 mW/sr |
| Radiant Intensity (QED122) | 32 to 100 mW/sr |
| Radiant Intensity (QED123) | 50 to 70 mW/sr |
They are matched with QSD122, QSD123, and QSD124 photosensors.
The maximum continuous forward current is 100 mA.
The operating temperature range is -40 to +100 °C.