Overview
The BT151U-800C,127 is a high-performance thyristor (Silicon Controlled Rectifier - SCR) manufactured by NXP USA Inc. This component is part of the BT151 series and is designed for applications requiring high bidirectional blocking voltage capability and excellent thermal cycling performance.
It is housed in a TO220AB (SOT78) package, which provides good thermal dissipation and mechanical stability. The BT151U-800C,127 is suitable for a variety of industrial and domestic applications, including motor control, lighting, and heating systems.
Key Specifications
| Parameter | Symbol | Min. | Max. | Unit | |
|---|---|---|---|---|---|
| Repetitive peak off-state voltage | VDRM | - | - | 800 | V |
| Average on-state current | IT(AV) | - | - | 7.5 | A |
| RMS on-state current | IT(RMS) | - | - | 12 | A |
| Non-repetitive peak on-state current | ITSM | - | - | 100 | A |
| Gate trigger current | IGT | - | 2 | 15 | mA |
| Latching current | IL | - | 10 | 40 | mA |
| Holding current | IH | - | 7 | 20 | mA |
| On-state voltage | VT | - | 1.44 | 1.75 | V |
| Gate trigger voltage | VGT | 1.9 | 2.2 | 2.8 | V |
| Thermal resistance junction to mounting base | Rth j-mb | - | - | 1.3 | K/W |
| Thermal resistance junction to ambient | Rth j-a | - | 60 | - | K/W |
Key Features
- High bidirectional blocking voltage capability up to 800V.
- High thermal cycling performance.
- Average on-state current of 7.5A and RMS on-state current of 12A.
- Low gate trigger current and voltage.
- Compact TO220AB (SOT78) package for good thermal dissipation.
- Epoxy meets UL94 V0 at 1/8" for enhanced safety.
Applications
- Motor control systems.
- Industrial and domestic lighting systems.
- Heating systems.
- Static switching applications.
Q & A
- What is the maximum repetitive peak off-state voltage of the BT151U-800C,127? The maximum repetitive peak off-state voltage is 800V.
- What is the average on-state current of this thyristor? The average on-state current is 7.5A.
- What is the RMS on-state current? The RMS on-state current is 12A.
- What is the non-repetitive peak on-state current? The non-repetitive peak on-state current is 100A.
- What is the typical gate trigger current? The typical gate trigger current is 2mA.
- What is the holding current of this component? The holding current is between 7mA and 20mA.
- What is the on-state voltage at 23A current? The on-state voltage at 23A current is between 1.44V and 1.75V.
- What is the thermal resistance junction to mounting base? The thermal resistance junction to mounting base is up to 1.3 K/W.
- In what package is the BT151U-800C,127 housed? It is housed in a TO220AB (SOT78) package.
- What are some typical applications of this thyristor? Typical applications include motor control, industrial and domestic lighting, and heating systems.
