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In stock: 1-3 working days / No stock: 4-8 weeks on averageTM8050H-8W SCRs
Parameter
| Manufacturer | STMicroelectronics |
| Product Category | SCRs |
| Series | TM8050H-8W |
| Product Type | High Temperature Thyristor (SCR) |
| Product | Silicon Controlled Rectifier |
| Rated Repetitive Off-State Voltage (VDRM / VRRM) | 800 V |
| On-State RMS Current (IT(RMS)) | 80 A |
| Gate Trigger Voltage (VGT) | 1.5 V |
| Gate Trigger Current (IGT) | 50 mA |
| Holding Current (IH) | 100 mA Max. |
| Off-State Leakage Current (IDRM) | 20 μA |
| Non-Repetitive Surge Current (ITSM) | 670 A |
| Maximum Gate Peak Inverse Voltage | 5 V |
| On-State Voltage (VTM) | 1.55 V Typ. @ 160 A |
| Critical dv/dt | > 1000 V/μs |
| Package / Case | TO-247-3 |
| Mounting Style | Through Hole |
| Operating Temperature Range | -40 °C to +150 °C |
| Packaging | Tube |
| Brand | STMicroelectronics |
| Factory Pack Quantity | 600 |
| Subcategory | Thyristors |
Application
The TM8050H-8W is an 80 A high-temperature silicon controlled rectifier (SCR) designed for high-power switching and controlled rectification applications. It features an 800 V repetitive off-state voltage, high surge current capability, low on-state voltage drop, high noise immunity with a critical dv/dt exceeding 1 kV/μs, and an extended junction temperature rating up to 150 °C for improved thermal margin and reliability. Packaged in a through-hole TO-247-3 package, the device is ideal for controlled AC/DC rectifier bridges, variable-speed motor drives, battery charging systems, AC solid-state relays, UPS bypass switches, industrial welding equipment, motorcycle voltage regulators, and motor soft starter systems. :contentReference[oaicite:0]{index=0}
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