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Thyristors - TRIACs
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.

Found 3814 items

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


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