| PartNumber | LYT4221E | LYT4222E | LYT4221E3 |
| Description | LED Lighting Drivers 12 W (160-300 VAC) | LED Lighting Drivers 15 W (160-300 VAC) | LED Lighting Drivers 12 W (160-300 VAC) TRIAC Dimmable |
| Manufacturer | Power Integrations | Power Integrations | Power Integrations |
| Product Category | LED Lighting Drivers | LED Lighting Drivers | LED Lighting Drivers |
| RoHS | Y | Y | Y |
| Number of Channels | 1 Channel | 1 Channel | - |
| Input Voltage | 160 VAC to 300 VAC | 160 VAC to 300 VAC | - |
| Operating Frequency | 140 kHz | 140 kHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | eSIP-7C-6 | eSIP-7C-6 | eSIP-7C-6 |
| Series | LYTSwitch-4x2 | LYTSwitch-4x2 | LYTSwitch-4x2 |
| Packaging | Tube | Tube | Tube |
| Height | 8.25 mm | 8.25 mm | 8.25 mm |
| Length | 10.24 mm | 10.24 mm | 10.24 mm |
| Output Type | Constant Current | Constant Current | - |
| Product | LED Drivers | LED Drivers | - |
| Width | 2.06 mm | 2.06 mm | 2.06 mm |
| Brand | Power Integrations | Power Integrations | Power Integrations |
| Moisture Sensitive | Yes | Yes | Yes |
| Pd Power Dissipation | 12 W | 15 W | - |
| Product Type | LED Lighting Drivers | LED Lighting Drivers | LED Lighting Drivers |
| Factory Pack Quantity | 48 | 48 | 48 |
| Subcategory | Driver ICs | Driver ICs | Driver ICs |
| Tradename | LYTSwitch | LYTSwitch | LYTSwitch |
| Features | - | - | Brightness Control/Dimming |
| Part # Aliases | - | - | LYT4221E |
| Unit Weight | - | - | 0.070548 oz |