TN8050H-12PI STMicroelectronics SCR (Transistor Outline, Vertical) In Stock
STMicroelectronics TN8050H-12PI is a high-temperature silicon controlled rectifier (SCR) rated at 80 A continuous current and 1200 V blocking voltage in an insulated TOP3 package. High-temperature operation and robust 1200 V rating make it ideal for industrial AC power control and motor drive circuits. Available to order with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- TN8050H-12PI Datasheet PDF
- Category
- SCR
- Price
- From $2.8979(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 80 A continuous on-state current and 1200 V repetitive peak off-state voltage for high-power industrial AC switching
- Insulated TOP3 package simplifies heatsink mounting without additional isolation hardware, reducing assembly cost
- High-temperature silicon construction maintains reliable SCR triggering performance across demanding thermal environments
Applications
TN8050H-12PI targets industrial AC power control applications including motor soft starters, power regulators, and heating element controllers operating at up to 1200 V. Its 80 A rating and insulated TOP3 package make it well suited for three-phase thyristor bridges in industrial drives and UPS systems. The device is also used in welding machine power stages and high-current battery chargers where robust gate-controlled rectification is required.
Specifications
| Factory Lead Time | 16Weeks |
| Trigger Device Type | SCR |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the voltage and current ratings that define the TN8050H-12PI's power handling capability?
The TN8050H-12PI is rated for 80 A continuous RMS on-state current and a 1200 V repetitive peak off-state voltage (VDRM). These ratings allow it to control loads up to several tens of kilowatts in 480 V three-phase AC systems, covering most industrial motor starter and heating control applications without derating.
How does the insulated TOP3 package of the TN8050H-12PI simplify heatsink integration in power assemblies?
The insulated TOP3 package isolates the anode thermally and electrically from the mounting surface, allowing direct bolt-down to a common heatsink rail without insulating washers or mica pads. This cuts thermal interface resistance by eliminating extra insulation layers, improving heat dissipation at 80 A load currents and reducing component count in power module assemblies.
In which industrial motor control topologies is the TN8050H-12PI a suitable SCR choice?
The TN8050H-12PI fits half-wave and full-wave thyristor bridge rectifiers used in DC motor drives and soft starters for three-phase 400 V to 690 V grid systems. Its 1200 V blocking voltage provides a 1.7x safety margin against peak line voltages on a 690 V supply, and the 80 A current rating handles motor inrush currents during starting cycles in pumps, compressors, and conveyors.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.8300 | $3.83 |
| 100+ | $3.7500 | $375.00 |
| 600+ | $3.1761 | $1905.66 |
| 1200+ | $3.0200 | $3624.00 |
| 2400+ | $2.9129 | $6990.98 |
| 4800+ | $2.8979 | $13909.92 |
In Stock · 24h Response · Worldwide Shipping
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