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| Part Number | QEC121 | QEC122 | QEC123 |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete |
| Type | Infrared (IR) | Infrared (IR) | Infrared (IR) |
| Current - DC Forward (If) (Max) | 50mA | 50mA | 50mA |
| Radiant Intensity (Ie) Min @ If | 14mW/sr @ 100mA | 27mW/sr @ 100mA | 39mW/sr @ 100mA |
| Wavelength | 880nm | 880nm | 880nm |
| Voltage - Forward (Vf) (Typ) | 1.7V (Max) | 1.7V | 1.7V |
| Viewing Angle | 18° | 18° | 18° |
| Orientation | Top View | Top View | Top View |
| Operating Temperature | -40°C ~ 100°C | -40°C ~ 100°C (TA) | -40°C ~ 100°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial | Radial, 3mm Dia (T-1) | Radial, 3mm Dia (T-1) |
