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| PartNumber | CQY37N | CQY37 | CQY378B |
| Description | Infrared Emitters 950nm, T- , 5mW/sr, +/-12degrees | ||
| Manufacturer | Vishay | - | - |
| Product Category | Infrared Emitters | - | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Wavelength | 950 nm | - | - |
| Radiant Intensity | 5 mW/sr | - | - |
| Beam Angle | 12 deg | - | - |
| If Forward Current | 50 mA | - | - |
| Vf Forward Voltage | 1.6 V | - | - |
| Power Rating | 170 mW | - | - |
| Minimum Operating Temperature | - 25 C | - | - |
| Maximum Operating Temperature | + 100 C | - | - |
| Packaging | Tube | - | - |
| Height | 2.9 mm | - | - |
| Illumination Color | Infrared | - | - |
| Length | 3.3 mm | - | - |
| Width | 2.4 mm | - | - |
| Brand | Vishay Semiconductors | - | - |
| Lens Shape | Circular | - | - |
| Viewing Angle | 12 deg | - | - |
| Fall Time | 450 ns | - | - |
| Lens Dimensions | 1.8 mm x 1.8 mm x 1.55 mm | - | - |
| Product Type | IR Emitters (IR LEDs) | - | - |
| Rise Time | 400 ns | - | - |
| Factory Pack Quantity | 5000 | - | - |
| Subcategory | Infrared Data Communications | - | - |
| Vr Reverse Voltage | 5 V | - | - |
| Unit Weight | 0.003527 oz | - | - |
