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| PartNumber | BPW 21 | BPW21R | BPW21/BPW 21 |
| Description | Photodiodes PHOTODIODE | Photodiodes 50 Degree 300mW | |
| Manufacturer | Osram Opto Semiconductor | Vishay | - |
| Product Category | Photodiodes | Photodiodes | - |
| RoHS | Y | Y | - |
| Product | Photodiodes | Photodiodes | - |
| Package / Case | TO-5 | TO-5 | - |
| Mounting Style | Through Hole | Through Hole | - |
| Peak Wavelength | 550 nm | 565 nm | - |
| Dark Current | 2 nA | 2 nA | - |
| Vr Reverse Voltage | 10 V | 10 V | - |
| Rise Time | 1.5 us | 3.1 us | - |
| Fall Time | 1.5 us | 3 us | - |
| Half Intensity Angle Degrees | 55 deg | 50 deg | - |
| Minimum Operating Temperature | - 40 C | - 55 C | - |
| Maximum Operating Temperature | + 80 C | + 125 C | - |
| Height | 3.7 mm | 3.1 mm | - |
| Length | 9.5 mm | 9.1 mm | - |
| Type | Silicon Photodiode for the Visible Spectral Range | - | - |
| Width | 9.5 mm | 9.1 mm | - |
| Brand | OSRAM Opto Semiconductors | Vishay Semiconductors | - |
| If Forward Current | 100 mA | 50 mA | - |
| Noise Equivalent Power NEP | 7.2E-14 W/sqrt Hz | - | - |
| Pd Power Dissipation | 250 mW | 300 mW | - |
| Photocurrent | - | 9 uA | - |
| Product Type | Photodiodes | Photodiodes | - |
| Responsivity | 0.34 A/W | - | - |
| Factory Pack Quantity | 40 | 500 | - |
| Subcategory | Optical Detectors and Sensors | Optical Detectors and Sensors | - |
| Vf Forward Voltage | 1.2 V | 1 V | - |
| Part # Aliases | Q62702P0885 | - | - |
| Unit Weight | 0.030688 oz | - | - |
| Packaging | - | Bulk | - |