| PartNumber | SMF4L43A | SMF4L40A | SMF4L40A-Q |
| Description | TVS Diodes / ESD Suppressors 400W 43V 5% Uni-directional | TVS Diodes / ESD Suppressors 400W 40V 5% Uni-directional | TVS Diodes / ESD Suppressors TVS VWM 40V 400W UNI SMF |
| Manufacturer | Littelfuse | Littelfuse | Bourns |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors |
| RoHS | Y | Y | Y |
| Series | SMF4L | SMF4L | SMF4L-Q |
| Product Type | TVS Diodes | TVS Diodes | TVS Diodes |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Breakdown Voltage | 52.8 V | 49.1 V | 49.1 V |
| Clamping Voltage | 69.4 V | 64.5 V | - |
| Ipp Peak Pulse Current | 5.8 A | 6.2 A | - |
| Pppm Peak Pulse Power Dissipation | 400 W | 400 W | 400 W |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Reel | Reel | Reel |
| Brand | Littelfuse | Littelfuse | Bourns |
| Factory Pack Quantity | 3000 | 3000 | 2500 |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Polarity | - | - | Unidirectional |
| Number of Channels | - | - | 1 Channel |
| Termination Style | - | - | SMD/SMT |
| Working Voltage | - | - | 40 V |
| Package / Case | - | - | SOD-123FL |
| Minimum Operating Temperature | - | - | - 55 C |
| Qualification | - | - | AEC-Q101 |