BTB24

BTB24 High-Performance Triac Family

Overview

The BTB24 B series represents a family of high-performance triacs designed for robust switching applications in AC power control circuits. These devices offer excellent thermal and electrical characteristics, making them suitable for demanding industrial and consumer applications. With voltage ratings ranging from 400V to 800V, the BTB24 family provides designers with flexible options for various power control requirements.

These triacs feature sensitive gate triggering and high commutation capability, ensuring reliable operation in diverse load conditions. The BTB24 series is particularly noted for its high noise immunity and stability, which are critical factors in AC power control applications where electrical disturbances may be present.

Key Features

• High voltage ratings: 400V to 800V V_DRM/V_RRM
• High current capability for robust power control
• Sensitive gate triggering for low control power requirements
• High commutation capability (dv/dt)
• Planar passivated for enhanced reliability
• High noise immunity for stable operation in electrically noisy environments
• Isolated package options available for simplified heatsinking
• Designed for operation up to T_j = 125°C
• RoHS compliant versions available

Applications

The BTB24 triac family is suitable for a wide range of AC power control applications, including:

• Industrial motor controls
• AC power switching circuits
• Lighting control systems (dimmers, ballasts)
• Heating control systems
• Solid-state relays
• Appliance controls (washing machines, vacuum cleaners)
• Power tools
• General purpose AC switching

Electrical Characteristics

The following tables detail the key electrical specifications for the BTB24 triac family:

Absolute Maximum Ratings

Gate Triggering Characteristics

Package Information

The BTB24 triac family is available in industry-standard packages to suit various application requirements:

TO-220AB Package

• Thermal resistance junction to case (R_th(j-c)): TBD °C/W
• Thermal resistance junction to ambient (R_th(j-a)): TBD °C/W
• Mounting torque: 0.55 N·m (5.0 lbf·in) max
• Weight: approximately 2.0g

TO-220AB Insulated Package

• Isolated mounting surface for simplified heatsinking
• Thermal resistance junction to case (R_th(j-c)): TBD °C/W
• Thermal resistance junction to ambient (R_th(j-a)): TBD °C/W
• Isolation voltage: TBD V

D²PAK Package (Optional)

• Surface mount option for high-density applications
• Thermal resistance junction to case (R_th(j-c)): TBD °C/W
• Thermal resistance junction to ambient (R_th(j-a)): TBD °C/W

Thermal Characteristics

Proper thermal management is critical for reliable operation of the BTB24 triac family. Key thermal considerations include:

• Maximum junction temperature: 125°C
• Recommended operating junction temperature range: -40°C to +110°C for optimal reliability
• Thermal derating required for operation above specified ambient temperatures
• Proper heatsinking is essential for applications operating near maximum ratings

Reliability and Qualification

The BTB24 triac family undergoes rigorous quality testing to ensure reliable performance:

• 100% automated testing of key parameters
• High temperature reverse bias (HTRB) testing
• Temperature cycling qualification
• Moisture sensitivity level (MSL) rating: TBD
• Flammability rating: UL94 V-0

Design Considerations

When designing with the BTB24 triac family, consider the following:

• Proper gate drive circuitry to ensure complete turn-on
• Snubber circuits may be required for inductive loads
• Thermal design should account for worst-case operating conditions
• Consider voltage derating for applications with significant line transients
• Ensure proper creepage and clearance distances in high voltage applications