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| PartNumber | SMF4L5.0A | SMF4L51A | SMF4L51A-Q |
| Description | TVS Diodes / ESD Suppressors 400W 5V 5% Uni-directional | TVS Diodes / ESD Suppressors 400W 51V 5% Uni-directional | TVS Diodes / ESD Suppressors TVS VWM 51V 400W UNI SMF |
| Manufacturer | Littelfuse | Bourns | 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 | - | - | - |
| Polarity | Unidirectional | Unidirectional | Unidirectional |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Breakdown Voltage | 7 V | 62.7 V | 62.7 V |
| Working Voltage | 5 V | 51 V | 51 V |
| Clamping Voltage | 9.2 V | - | - |
| Ipp Peak Pulse Current | 40.1 A | - | - |
| Package / Case | SOD-123FL-2 | SOD-123FL | SOD-123FL |
| Pppm Peak Pulse Power Dissipation | 370 W | 400 W | 400 W |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Reel | Reel | Reel |
| Brand | Littelfuse | Bourns | Bourns |
| Factory Pack Quantity | 3000 | 2500 | 2500 |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Number of Channels | - | 1 Channel | 1 Channel |
| Qualification | - | - | AEC-Q101 |