| PartNumber | UCC3961D | UCC3961DTR |
| Description | Switching Controllers Adv Primary Side Startup Controller | Switching Controllers Adv Primary Side Startup Controller |
| 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 |