| PartNumber | SMF4L18A | SMF4L188A | SMF4L180A |
| Description | TVS Diodes / ESD Suppressors 400W 18V 5% Uni-directional | TVS Diodes / ESD Suppressors TVS SMF4L 188V Uni, 7'' TR | TVS Diodes / ESD Suppressors TVS SMF4L 180V Uni, 7'' TR |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors |
| RoHS | Y | - | - |
| Series | SMF4L | SMF4L | SMF4L |
| Product Type | TVS Diodes | - | - |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | - | - |
| Termination Style | SMD/SMT | - | - |
| Breakdown Voltage | 22.1 V | 231 V | 222 V |
| Working Voltage | 18 V | - | - |
| Clamping Voltage | 29.2 V | 304 V | 292 V |
| Ipp Peak Pulse Current | 13.7 A | 700 mA | 700 mA |
| Package / Case | SOD-123FL-2 | - | - |
| Pppm Peak Pulse Power Dissipation | 400 W | 400 W | 400 W |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Reel | - | - |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |