The 2045-40-BT1LF is a 2-terminal PTC resettable fuse with a maximum operating temperature range of -30°C to 85°C. It has a typical DC sparkover voltage of 400V and a maximum impulse sparkover voltage of 800V at 100V/s. The fuse has a maximum capacitance of 1.5uF at 1MHz and a typical impulse discharge current of 1A at 8/20us. It is designed for through hole mounting with a lead diameter of 0.8mm and a product length of 6mm.
Checking distributor stock and pricing after the page loads.
Sign in to ask questions about the Bourns 2045-40-BT1LF datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
| Mounting | Through Hole |
| Termination Style | Axial |
| Number of Terminals | 2 |
| Lead Diameter (mm) | 0.8 |
| Product Length (mm) | 6 |
| Product Depth (mm) | 8 |
| Product Height (mm) | 8 |
| DC Sparkover Voltage Tolerance | ±30% |
| Maximum Impulse Sparkover Voltage @ 100V/s | 800V |
| Maximum DC Holdover Voltage | 150@150msV |
| Typical Impulse Discharge Current @ 8/20us @ 10Times | 1kA |
| Typical AC Discharge Current @ 1s @ <= 10Times | 1A |
| Number of Electrodes | 2 |
| Min Operating Temperature | -30°C |
| Max Operating Temperature | 85°C |
| Maximum Capacitance @ 1MHz | 1.5pF |
| Typical DC Sparkover Voltage @ 100V/s | 400V |
| Cage Code | 32997 |
| EU RoHS | Yes |
| HTS Code | 8536308000 |
| Schedule B | 8536300000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Download the complete datasheet for Bourns 2045-40-BT1LF to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
