
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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NTE56030
TRIAC-400VRM 40AMP
BCR25KM-12LB#B00
TRIAC, 600V, 25A
Q4006NH4RP
TRIAC ALTERNISTOR 400V 6A TO263
T1610T-8T
TRIAC 800V 16A 10MA TO-220AB
BCR08AS-12AT14#B11
TRIAC SENS GATE 600V 0.8A TO92-3
T1210T-8FP
TRIAC SENS GATE 800V 12A TO220FP
Q8008L5TP
TRIAC 800V 8A TO220
2N6348AG
TRIAC 600V 12A TO220AB
Z0109MN 6AA4
TRIAC SENS GATE 600V 1A SOT223
NTE56059
TRIAC-600VRM 16A FULLPACK
QJ6040KH7TP
TRIAC 600V 40A TO-218AC
QJ6016LH2TP
ALTERNISTOR TRIAC 16A TO220
BCR5KM-12LA-AR#B00
INSULATED TYPE TRIAC
QJ6016NH2RP
ALTERNISTOR TRIAC 16A TO263
L4006D8TP
TRIAC SENS GATE 400V 6A TO252
BTA420Y-800CT,127
TRIAC 800V 20A TO220AB
SST20B-600CW
600V 20A PACKAGE TO-220B 3-QUADR
T835H-6G
TRIAC ALTERNISTOR 600V 8A D2PAK
BCR12KM-12LA-1A6X2
TRIAC, 600V, 12A
T2550-12G
TRIAC ALTERNISTOR 1.2KV D2PAK