400W Unidirectional TVS Diode, 40V, SMA, 150°C Product overview: SM4T47AY from STMicroelectronics is a TVS Protection Diode for ESD protection, surge suppression, transient voltage clamping, communication ports, and industrial electronics. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include TVS, 400W, 40V. Search-friendly keywords include TVS diode, ESD protection, surge suppression, transient voltage, TVS, 400W, 40V, TVS Protection Diode, TVS Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 144-SM4T47AY can be used for catalog matching and distributor lookup.
Manufacturer: STMicroelectronics
Win Source Part Number: 1097020-SM4T47AY
Packaging: Reel - TR
Type: Zener
Applications: Automotive
Mounting: SMD (SMT)
Unidirectional Channels: 1
Categories: Circuit Protection
Status: Active
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: SMA (DO-214AC)
STAND-OFF Voltage (Vwm): 40V
Minimum Breakdown Voltage: 44.4V
Max Clamping Voltage: 84V
Peak Pulse Current(Ippm): 27A (8/20μs)
Power Dissipation - Pd: 400W
Popularity: Medium
Fake Threat In the Open Market: 91 pct.
Supply and Demand Status: Balance
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| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Rochester Electronics | VAST STOCK CO., LIMITED | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Diodes | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Diodes |
| Product Number | 144-SM4T47AY | 1097020-SM4T47AY | 497-10926-6-ND | SM4T47AY | SM4T47AY | SM4T47AY | SM4T47AY | 97W2859 |
| Product Name | 400W 40V TVS Protection Diode | TVS - TVS - Diodes - SM4T47AY | TVS Diodes | TVS Diodes / ESD Suppressors | TVS Diodes | Circuit Protection - Transient Voltage Suppressors (TVS) - TVS Diodes | Transient Voltage Suppressor, Tvs, Aec-Q101 Transil Sm4Ty Series, Unidirectional, 40 V, Do-214Ac Rohs Compliant Stmicroelectronics | |
| Configuration | Single | Single | ||||||
| RoHS Compliant | RoHS | RoHS | RoHS | |||||
| Package | Tape and Reel | SMA; SMA (DO-214AC) | SMA; DO-214AC, SMA | SMA; DO-214AC, SMA | SMA; SMA (DO-214AC) | |||
| Peak Pulse Power | 400 watts | 400 watts | 400 watts | 400 watts | ||||
| Tj | -55 C (-67 F) | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) |
