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| PartNumber | UCC3961D | UCC3961DTR | UCC3961DG4 |
| Description | Switching Controllers Adv Primary Side Startup Controller | Switching Controllers Adv Primary Side Startup Controller | Switching Controllers Adv Primary Side Startup Controlle |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Switching Controllers | Switching Controllers | - |
| RoHS | Y | Y | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Switching Frequency | 400 kHz | 400 kHz | - |
| Duty Cycle Max | 72 % | 72 % | - |
| Output Current | 1.5 A | - | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-14 | SOIC-14 | - |
| Packaging | Tube | Reel | - |
| Height | 1.58 mm | 1.58 mm | - |
| Length | 8.65 mm | 8.65 mm | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Series | UCC3961 | UCC3961 | - |
| Type | Advanced Primary Side Startup PWM Controller | Advanced Primary Side Startup PWM Controller | - |
| Width | 3.91 mm | 3.91 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Factory Pack Quantity | 50 | 2500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.004318 oz | 0.004318 oz | - |