
Thyristors - TRIACs
Thyristors - TRIACs: Precision Power Control Components
Definition & Functionality
Thyristors - TRIACs (Triode for Alternating Current) are critical semiconductor devices within the Discrete Semiconductor Products category, designed for efficient AC power control. TRIACs function as bidirectional switches, enabling current flow in both directions when triggered, making them ideal for phase-cutting, motor speed regulation, and dimming applications. Their ability to handle high voltage/current with minimal gate control simplifies circuit design in AC systems.
Product Types & Variations
This category includes:
1. Standard TRIACs: General-purpose devices for moderate load control (e.g., household appliances).
2. Snubberless TRIACs: Eliminate the need for external snubber circuits, reducing EMI in inductive loads (e.g., motors).
3. Logic-Level TRIACs: Low gate-triggering current ( 10mA) for microcontroller compatibility.
4. High-Temp TRIACs: Rated for industrial environments (up to 150 C junction temperature).
Key specifications include voltage ratings (400V 1200V), current ratings (4A 40A), and gate sensitivity (IGT).
Purchasing Guidance
1. Match Load Requirements: Select voltage/current ratings 20 30% above operational peaks to ensure reliability.
2. Consider Triggering Method: Opt for snubberless TRIACs for inductive loads (e.g., HVAC systems) to reduce component count.
3. Thermal Management: Verify thermal resistance (R JA) and pair with heatsinks for high-current applications.
4. Compliance: Prioritize UL/IEC-certified TRIACs for safety-critical designs.
TRIACs bridge cost-efficiency and performance in AC power control. Partner with trusted distributors to access datasheets and lifecycle support.
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Categories
Q4008L4TP
TRIAC 400V 8A TO220
BTB12-800BW3G
TRIAC 800V 12A TO220AB
Q8015L5TP
TRIAC 800V 15A TO220
BCR3AS-14B-T13#B00
TRIAC 800V 3A
QJ8010L5TP
TRIAC 800V 10A TO220
T2535T-8T
25 A - 800 V - T-SERIES TRIAC IN
QK010NH5TP
TRIAC ALTERNISTOR 1KV 10A TO263
ACST1210-7T
TRIAC SENS GATE 700V 12A TO220AB
QK010N4RP
TRIAC 1KV 10A TO263
Q4006RH3TP
TRIAC ALTERNISTOR 400V 6A TO22
Q4040J7TP
TRIAC ALTERNISTOR 400V TO218X
BTB12-600CRG
TRIAC 600V 12A TO220AB
Q8012NH2TP
TRIAC ALTERNISTOR 800V 12A TO2
Q8016RH3TP
ALTNSTR 800V 16A 20-20-20 MA TO2
Z0103MN0,135
TRIAC SENS GATE 600V 1A SC73
T4121B
ISOLATED STUD TO48 10 AMP TRIAC
BCR8AS14LJ-T13#B01
TRIAC 700V 8A
T410-600B
TRIAC SENS GATE 600V 4A DPAK
QJ4004D3TP
TRIAC 4A 400V TO-252 D-PAK
T835T-8T
TRIAC ALTERNISTOR 800V TO-220AB