| PartNumber | SM8S18A-Q | SM8S18AHE3/2D | SM8S18A-E3/2D |
| Description | TVS Diodes / ESD Suppressors SM8S-Q Transient Voltage Suppressor Diode | TVS Diodes - Transient Voltage Suppressors 8.0W 18V 5% Unidi | TVS DIODE 18V 29.2V DO218AB |
| Manufacturer | Bourns | Vishay Semiconductor Diodes Division | Vishay Semiconductor Diodes Division |
| Product Category | TVS Diodes / ESD Suppressors | TVS - Diodes | IC Chips |
| RoHS | Y | - | - |
| Series | SM8S-Q | Automotive, AEC-Q101, PARR | PARR |
| Product Type | TVS Diodes | - | - |
| Polarity | Unidirectional | Unidirectional | - |
| Number of Channels | 1 Channel | - | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Breakdown Voltage | 22.1 V | 20 V | - |
| Working Voltage | 18 V | 18 V | - |
| Package / Case | DO-218-2 | - | - |
| Pppm Peak Pulse Power Dissipation | 6.6 kW | - | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Qualification | AEC-Q101 | - | - |
| Packaging | Reel | Tape & Reel (TR) | Digi-ReelR |
| Brand | Bourns | - | - |
| Factory Pack Quantity | 750 | - | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | - | - |
| Type | - | Zener | Zener |
| Unit Weight | - | 0.091712 oz | - |
| Mounting Style | - | SMD/SMT | - |
| Tradename | - | PAR | - |
| Operating Temperature Range | - | - 55 C to + 175 C | - |
| Length | - | 13.7 mm | - |
| Width | - | 8.7(Max) mm | - |
| Package Case | - | DO-218AB | DO-218AB |
| Operating Temperature | - | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) |
| Mounting Type | - | Surface Mount | Surface Mount |
| Applications | - | Automotive | General Purpose |
| Supplier Device Package | - | DO-218AB | DO-218AB |
| Unidirectional Channels | - | 1 | 1 |
| Bidirectional Channels | - | - | - |
| Voltage Reverse Standoff Typ | - | 18V | 18V |
| Voltage Breakdown Min | - | 20V | 20V |
| Voltage Clamping Max Ipp | - | 32.2V | 32.2V |
| Current Peak Pulse 10 1000μs | - | 205A | 205A |
| Power Peak Pulse | - | 6600W (6.6kW) | 6600W (6.6kW) |
| Power Line Protection | - | No | No |
| Capacitance Frequency | - | - | - |
| Pd Power Dissipation | - | 6.6 kW | - |
| Clamping Voltage | - | 29.2 V | - |
| Peak Surge Current | - | 226 A | - |