| PartNumber | HEF4541BT,518 | HEF4541BT,512 |
| Description | Timers & Support Products PROGRAMMABLE TIMER | Timers & Support Products PROGRAMMABLE TIMER |
| Manufacturer | Nexperia | Nexperia |
| Product Category | Timers & Support Products | Timers & Support Products |
| RoHS | Y | Y |
| Type | Programmable | Programmable |
| Number of Internal Timers | 1 Timer | 1 Timer |
| Supply Voltage Max | 15 V | 15 V |
| Supply Voltage Min | 3 V | 3 V |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SO-14 | SO-14 |
| Packaging | Reel | Tube |
| Height | 1.45 mm | 1.45 mm |
| Length | 8.75 mm | 8.75 mm |
| Width | 4 mm | 4 mm |
| Brand | Nexperia | Nexperia |
| Propagation Delay Max | 1150 ns, 420 ns, 300 ns | 1150 ns, 420 ns, 300 ns |
| Moisture Sensitive | Yes | Yes |
| Product Type | Timers & Support Products | Timers & Support Products |
| Factory Pack Quantity | 2500 | 57 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | HEF4541BT-T | HEF4541BT |
| Unit Weight | 0.004145 oz | 0.003527 oz |