Overview
The BTB41-800BRG is a high-current TRIAC (Triode for Alternating Current) produced by STMicroelectronics. It is part of the BTA/BTB40-41 series, designed for general-purpose AC switching applications. This component is available in the TOP3 package, which is known for its low thermal resistance and high commutation capability. The BTB41-800BRG is particularly suited for applications requiring high current handling and reliable AC switching performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| RMS On-State Current (IT(RMS)) | 40 | A |
| Repetitive Peak Off-State Voltage (VDRM/VRRM) | 800 | V |
| Gate Trigger Current (IGT) | 50 mA (I, II, III), 100 mA (IV) | mA |
| Non-Repetitive Surge Peak On-State Current (ITSM) | 420 A (tp = 16.7 ms), 400 A (tp = 20 ms) | A |
| Critical Rate of Rise of On-State Current (dl/dt) | 50 A/μs | A/μs |
| Junction to Case Thermal Resistance (Rth(j-c)) | 0.6 °C/W | °C/W |
| Operating Junction Temperature Range (Tj) | -40 to +125 °C | °C |
| Storage Junction Temperature Range (Tstg) | -40 to +150 °C | °C |
Key Features
- High Current Capability: The BTB41-800BRG can handle up to 40 A of RMS on-state current, making it suitable for high-power applications.
- Low Thermal Resistance: The component features low thermal resistance due to clip bonding, enhancing its thermal management capabilities.
- Insulated Tab: The BTA series, which includes similar models, provides an insulated tab rated at 2500 V rms, though the BTB41 does not have this feature specifically.
- RoHS Compliance: The packages are compliant with RoHS (2002/95/EC) standards.
- UL Certification: The BTA series is UL1557 certified (File ref: 81734), though this specific certification applies to the BTA series rather than the BTB series.
- High Commutation Capability: The component is designed for high commutation performance, making it suitable for various AC switching applications.
Applications
- On/Off Function in Static Relays: Used in static relays for controlling AC circuits.
- Heating Regulation: Employed in heating control systems for precise temperature regulation.
- Induction Motor Starting Circuits: Utilized in the starting circuits of induction motors.
- Phase Control Operations: Used in light dimmers and motor speed controllers for phase control operations.
Q & A
- What is the maximum RMS on-state current of the BTB41-800BRG?
The maximum RMS on-state current is 40 A.
- What is the repetitive peak off-state voltage of the BTB41-800BRG?
The repetitive peak off-state voltage is 800 V.
- What is the gate trigger current for the BTB41-800BRG?
The gate trigger current is 50 mA for quadrants I, II, and III, and 100 mA for quadrant IV.
- What is the junction to case thermal resistance of the BTB41-800BRG?
The junction to case thermal resistance is 0.6 °C/W.
- Is the BTB41-800BRG RoHS compliant?
- What are the typical applications of the BTB41-800BRG?
The BTB41-800BRG is typically used in on/off functions in static relays, heating regulation, induction motor starting circuits, and phase control operations in light dimmers and motor speed controllers.
- What is the operating junction temperature range of the BTB41-800BRG?
The operating junction temperature range is -40 to +125 °C.
- What is the storage junction temperature range of the BTB41-800BRG?
The storage junction temperature range is -40 to +150 °C.
- Does the BTB41-800BRG have an insulated tab?
No, the BTB41 series does not have an insulated tab; this feature is specific to the BTA series.
- What is the critical rate of rise of on-state current for the BTB41-800BRG?
The critical rate of rise of on-state current is 50 A/μs.
