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| PartNumber | 1SMB40A BK | 1SMB40AT3G | 1SMB40AT3 |
| Description | TVS Diodes / ESD Suppressors 600W 40Vrwm 44.4Vbr 5.0uA 64.5Vc 9.3A | ESD Suppressors / TVS Diodes 40V 600W Unidirectional | ESD Suppressors / TVS Diodes 40V 600W |
| Manufacturer | Central Semiconductor | Littelfuse | ON Semiconductor |
| Product Category | TVS Diodes / ESD Suppressors | ESD Suppressors / TVS Diodes | ESD Suppressors / TVS Diodes |
| RoHS | Y | Y | N |
| Series | 1SMB40A | 1SMBxxxAT3G | 1SMB5.0AT3G |
| Product Type | TVS Diodes | TVS Diodes | TVS Diodes |
| Polarity | Unidirectional | Unidirectional | Unidirectional |
| Number of Channels | 1 Channel | - | - |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Breakdown Voltage | 44.4 V | 46.75 V | 44.4 V |
| Working Voltage | 40 V | 40 V | 40 V |
| Clamping Voltage | 64.5 V | 64.5 V | 64.5 V |
| Ipp Peak Pulse Current | 9.3 A | - | - |
| Package / Case | DO-214AA-2 (SMB) | DO-214AA-2 (SMB) | DO-214AA-2 (SMB) |
| Pppm Peak Pulse Power Dissipation | 600 W | 600 W | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Bulk | Reel | Reel |
| Brand | Central Semiconductor | Littelfuse | ON Semiconductor |
| Factory Pack Quantity | 500 | 2500 | 2500 |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Part # Aliases | - | SMBJ40A | - |