Vishay SM15T
SM15T variants from Vishay
SM15T Overview
What changes between part numbers, and what to check before you lock the BOM — TVS Diodes.
Key Features
- Lifecycle mix: ActiveConfirm lifecycle on the exact MPN, not just the base number prefix.
- 13 distinct suffix patternsExamples: 100A-E3/57T, 150A-E3/57T, 15A-E3/57T, 15CA-E3/57T, 18A-E3/57T (+8 more). Decode suffix meaning in the ordering notes under the variant table.
Target Applications
- TVS Diodes — design-in and field replacement
- BOM scrub where only the base prefix is known but suffix is TBD
- Second-source checks when the original MPN is constrained
Ordering Variants
Compare 13 SM15T part numbers by package, electrical parameters, lifecycle, and availability. Use RFQ for stock and lead-time confirmation.
| Part Number | Description | Manufacturer | Lifecycle | RoHS | Availability | Action |
|---|---|---|---|---|---|---|
| SM15T100A-E3/57T | TVS Diode 1.5kW Unidirectional 178V DO-214AB Surface Mount | Vishay | Active | Compliant | In Stock | |
| SM15T150A-E3/57T | 1.5kW Unidirectional TVS Diode, 1500W, 128V, DO-214AB, SMT | Vishay | Active | Compliant | In Stock | |
| SM15T15A-E3/57T | 1.5kW TVS Diode, Unidirectional, 15.8V Breakdown, 27.2V Clamp, SMD | Vishay | Active | Compliant | In Stock | |
| SM15T15CA-E3/57T | TVS Diode 1.5kW Bidirectional 12.8V DO-214AB Surface Mount | Vishay | Active | Compliant | In Stock | |
| SM15T18A-E3/57T | 1.5kW Unidirectional TVS Diode, 32.5V Clamp, SMC, 308A Surge | Vishay | Active | Compliant | In Stock | |
| SM15T200CA-E3/9AT | 1.5kW Bidirectional TVS Diode, 171V, DO-214AB, 28A | Vishay | Active | Compliant | In Stock | |
| SM15T27CA-E3/57T | 1.5kW Bidirectional TVS Diode, 37.5V Clamp, DO-214AB, SMD | Vishay | Active | Compliant | In Stock | |
| SM15T30CA-E3/57T | TVS Diode 1.5kW Bidirectional 41.5V DO-214AB SMT | Vishay | Active | Compliant | In Stock | |
| SM15T33CA-E3/57T | 1.5kW Bidirectional TVS Diode, 45.7V Clamp, DO-214AB, SMT | Vishay | Active | Compliant | In Stock | |
| SM15T33CA-E3/9AT | TVS Diode 1.5kW Bidirectional 59V DO-214AB Surface Mount | Vishay | Active | Compliant | In Stock | |
| SM15T36A-E3/57T | TVS Diode 1.5kW Unidirectional 30.8V 34.2V 49.9V DO-214AB | Vishay | Active | Compliant | In Stock | |
| SM15T39CA-E3/57T | TVS Diode 1.5kW Bidirectional 69.7V DO-214AB Surface Mount | Vishay | Active | Compliant | In Stock | |
| SM15T68CA-E3/57T | TVS Diode 1.5kW Bidirectional 121V DO-214AB Surface Mount | Vishay | Active | Compliant | In Stock |
Ordering Code Differences
How suffixes on SM15T map to package, grade, and reel options.
How to Choose the Right SM15T TVS Diodes
Match the footprint first
Pull the exact package drawing for your MPN — base-number swaps fail most often at the footprint, not the schematic.
Electrical headroom
Compare voltage and current columns in the variant table. For SM15T, a suffix with lower voltage or current rating will not survive the same circuit without recalculation.
Temp grade letter matters
Commercial (0–70 °C) and industrial (−40–85 °C+) suffixes look similar in the prefix — confirm ambient + self-heating, not just the first page of the datasheet.
Copy the full MPN
Do not BOM only "SM15T" — include the full suffix (e.g. 100A-E3/57T, 150A-E3/57T, 15A-E3/57T). RFQ with reel/tube preference and required date code.
Technical Specifications
Core parameters for SM15T product family
Identity
Variant Parameters
Source SM15T with Octatronics
Request stock confirmation, lead time, date code, and pricing for all 13 ordering variants from Vishay. Our team supports active, EOL, and hard-to-find component sourcing.
- Original manufacturer parts with traceability options
- BOM upload and multi-line RFQ support
- Package, grade, and compliance verification
Frequently Asked Questions
Common technical questions about the SM15T product family.