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| PartNumber | VSLY3850-ASZ | VSLY5850 | VSLY3850 |
| Description | IR Emitter 850nm 70mW/sr 100mA 1.9V 2-Pin T-1 Ammo Pack (Alt: VSLY3850-ASZ) | Infrared Emitters High Speed Emitter 5V 190mW 850nm 3Deg | Infrared Emitters High Speed Emitter 5V 200mW 850nm 18Deg |
| Manufacturer | - | Vishay Semiconductor Opto Division | Vishay Semiconductor Opto Division |
| Product Category | - | Infrared, UV, Visible Emitters | Infrared, UV, Visible Emitters |
| Series | - | SurfLight | SurfLight |
| Type | - | IR | IR |
| Packaging | - | Bulk | Bulk |
| Mounting Style | - | Through Hole | Through Hole |
| Tradename | - | SurfLight | SurfLight |
| Package Case | - | T 1 3/4 | Radial |
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | - | Through Hole | Through Hole |
| Current DC Forward If Max | - | 100mA | 100mA |
| Orientation | - | Top View | Top View |
| Wavelength | - | 850nm | 850nm |
| Viewing Angle | - | 6° | 36° |
| Beam Angle | - | 3 deg | 18 deg |
| Voltage Forward Vf Typ | - | 1.65V | 1.65V |
| Radiant Intensity Ie Min If | - | 300mW/sr @ 100mA | 35mW/sr @ 100mA |
| Power Rating | - | 190 mW | 190 mW |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Vf Forward Voltage | - | 1.65 V | 1.65 V |
| Illumination Color | - | Infrared | Infrared |
| Fall Time | - | 10 ns | 10 ns |
| Rise Time | - | 10 ns | 10 ns |
| If Forward Current | - | 100 mA | 100 mA |
| Lens Shape | - | Dome | Dome |
| Radiant Intensity | - | 600 mW/sr | 70 mW/sr |