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| PartNumber | QTLP9137YR | QTLP9137GR | QTLP9134ZR |
| Description | Standard LEDs - SMD Red LED Diffused Square Base | Standard LEDs - SMD Red LED Diffused Square Base | Standard LEDs - SMD Green Sqare Base Diffused Offset |
| Manufacturer | Everlight | Everlight | ON Semiconductor |
| Product Category | Standard LEDs - SMD | Standard LEDs - SMD | Standard LEDs - SMD |
| RoHS | Y | Y | Y |
| Product | Red LEDs | Red LEDs | Green LEDs |
| Package / Case | T-3/4 | T-3/4 | T-3/4 |
| Orientation | Top View | Top View | Top View |
| Illumination Color | Red | Red | Green |
| Wavelength/Color Temperature | 660 nm | 660 nm | 565 nm |
| Luminous Intensity | 110 mcd | 110 mcd | 5 mcd |
| Viewing Angle | 50 deg | 50 deg | 50 deg |
| Lens Color/Style | Tinted Diffused | Tinted Diffused | Tinted Diffused |
| If Forward Current | 20 mA | 20 mA | 20 mA |
| Vf Forward Voltage | 2 V | 2 V | 2.1 V |
| Length | 2.2 mm | 2.2 mm | 2.2 mm |
| Height | 2.8 mm | 2.8 mm | 2.8 mm |
| Width | 2.1 mm | 2.1 mm | 2.1 mm |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Everlight | Everlight | ON Semiconductor / Fairchild |
| Lens Shape | Dome | Dome | Dome |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Lens Dimensions | 1.9 mm | 1.9 mm | 1.9 mm |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | LED - Standard | LED - Standard | LED - Standard |
| Factory Pack Quantity | 1000 | 1000 | 5000 |
| Subcategory | LEDs | LEDs | LEDs |
| Vr Reverse Voltage | 5 V | 5 V | 5 V |
| Part # Aliases | 512-QTLP9137YR | 512-QTLP9137GR | 638-QTLP9134ZR |