Overview
The BTA40-800B is a high-current TRIAC (Triode for Alternating Current) produced by STMicroelectronics. It is part of the BTA/BTB40-41 series, which is designed for general purpose AC switching applications. This component is known for its high power handling capabilities and is suitable for a wide range of industrial and commercial uses. The BTA40-800B features an insulated tab, which is rated at 2500 V rms, enhancing its safety and reliability in various electrical circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | BTA40-800B |
| Maximum Repetitive Peak Off-State Voltage (V) | 800 V |
| Triggering Gate Current (mA) | 50 mA (I, II, III), 100 mA (IV) |
| Maximum On-State Current (A) | 40 A |
| Maximum On-State Current (A) for 20 ms | 400 A |
| Operating Temperature Range (°C) | -40 to 125°C |
| Package Type | RD-91 |
| RoHS Compliance | Yes, Ecopack2 |
Key Features
- High current TRIAC with high commutation capability
- Low thermal resistance with clip bonding
- Insulated tab rated at 2500 V rms
- UL1557 certified (File ref: 81734)
- RoHS (2002/95/EC) compliant
Applications
The BTA40-800B is suitable for various AC switching applications, including but not limited to:
- General purpose AC power control
- Lighting control systems
- Motor control circuits
- Heating and cooling systems
- Industrial automation
Q & A
- What is the maximum repetitive peak off-state voltage of the BTA40-800B?
The maximum repetitive peak off-state voltage is 800 V. - What is the triggering gate current for the BTA40-800B?
The triggering gate current is 50 mA for quadrants I, II, and III, and 100 mA for quadrant IV. - What is the maximum on-state current of the BTA40-800B?
The maximum on-state current is 40 A, with a peak current of 400 A for 20 ms. - What is the operating temperature range of the BTA40-800B?
The operating temperature range is -40 to 125°C. - Is the BTA40-800B RoHS compliant?
Yes, the BTA40-800B is RoHS (2002/95/EC) compliant and follows the Ecopack2 standard. - What type of package does the BTA40-800B come in?
The BTA40-800B comes in an RD-91 package. - What are some common applications of the BTA40-800B?
Common applications include general purpose AC power control, lighting control systems, motor control circuits, heating and cooling systems, and industrial automation. - Does the BTA40-800B have any certifications?
Yes, it is UL1557 certified (File ref: 81734). - What is the significance of the insulated tab in the BTA40-800B?
The insulated tab is rated at 2500 V rms, which enhances the safety and reliability of the component in various electrical circuits. - How does the BTA40-800B handle thermal resistance?
The BTA40-800B features low thermal resistance with clip bonding.
