
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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QJ8016LH3TP
TRIAC 800V 16A TO-220L
Q8025NH5RP
ALTERNISTOR TRIAC 800V 25A 50-50
BT139X-600F/DG,127
TRIAC 600V 16A TO220F
SST131V-600D
600V 1A PACKAGE SOT-223 4-QUADRA
NTE5612
TRIAC 50V 10A TO127
BTA12-600BW3G
SNUBBERLESS TRIAC, 600V, 12A, TO
ACS102-6TA-TR
TRIAC ALTERNISTOR 600V TO92-3
BTB06-800SWRG
TRIAC ALTERNISTOR 800V TO220AB
BCR8KM-12LA-1A8#X2
TRIAC, 600V, 8A
AVS12CB
TRIAC INT TRIGGER 600V TO220AB
Q4004V4TP
TRIAC 400V 4A TO251
Q6012NH1LEDRP
TRIAC ALTERNISTOR 600V TO263AB
BTA06-600CRG
TRIAC 600V 6A TO220AB
BTA425Y-800CTQ
TRIAC 800V 25A TO220AB
BTB08-800BW3G
TRIAC 800V 8A TO220AB
BCR20KM-12LB-AN#X6
INSULATED TYPE TRIAC
LX803DE
TRIAC SENS GATE 400V 0.8A TO92
Q4030LH5TP
TRIAC ALTERNISTOR 400V 30A TO220
L4X8E6RP
TRIAC SENS GATE 400V 0.8A TO92
QJ8010NH5TP
TRIAC ALTERNISTOR 800V 10A TO263