Overview
The BTA41-800BRG 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 available in high power packages, making it suitable for a wide range of industrial and commercial uses. The BTA41-800BRG features an insulated tab rated at 2500 V rms and is UL1557 certified, ensuring high reliability and safety standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| RMS On-State Current (IT(RMS)) | 40 | A |
| Repetitive Peak Off-State Voltage (VDRM/VRRM) | 800 | V |
| Triggering Gate Current (IGT) | 50 (I, II, III), 100 (IV) | mA |
| Operating Junction Temperature Range | -40 to +125 | °C |
| Storage Junction Temperature Range | -40 to +150 | °C |
| Junction to Case Thermal Resistance (Rth(j-c)) | 0.9 | °C/W |
| Junction to Ambient Thermal Resistance (Rth(j-a)) | 50 | °C/W |
| Quadrants | I, II, III, IV |
Key Features
- High current TRIAC with a maximum RMS on-state current of 40 A
- High commutation capability, suitable for high-power AC switching applications
- Low thermal resistance with clip bonding, enhancing heat dissipation
- Packages are RoHS (2002/95/EC) compliant and meet UL94, V0 flammability standards
- UL1557 certified, ensuring compliance with safety standards
- Insulated tab rated at 2500 V rms for improved electrical isolation
Applications
- On/off function in static relays
- Heating regulation circuits
- Induction motor starting circuits
- Phase control operations in light dimmers and motor speed controllers
- General purpose AC switching systems, including those up to 9 kW with proper heatsink dimensioning
Q & A
- What is the maximum RMS on-state current of the BTA41-800BRG?
The maximum RMS on-state current is 40 A.
- What is the repetitive peak off-state voltage of the BTA41-800BRG?
The repetitive peak off-state voltage is 800 V.
- What is the triggering gate current for the BTA41-800BRG?
The triggering gate current is 50 mA for quadrants I, II, and III, and 100 mA for quadrant IV.
- What is the operating junction temperature range of the BTA41-800BRG?
The operating junction temperature range is -40 to +125 °C.
- Is the BTA41-800BRG RoHS compliant?
- What are the typical applications of the BTA41-800BRG?
Typical applications include on/off functions in static relays, heating regulation circuits, induction motor starting circuits, and phase control operations in light dimmers and motor speed controllers.
- What is the thermal resistance of the BTA41-800BRG from junction to case?
The thermal resistance from junction to case (Rth(j-c)) is 0.9 °C/W.
- Is the BTA41-800BRG UL certified?
- What is the insulated tab rating of the BTA41-800BRG?
The insulated tab is rated at 2500 V rms.
- What are the package options for the BTA41-800BRG?
The BTA41-800BRG is available in TOP3 insulated packages.
