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
L6X8E6
TRIAC SENS GATE 600V 0.8A TO92
T810-600B
TRIAC SENS GATE 600V 8A DPAK
BTA201W-600E,115
TRIAC SENS GATE 600V 1A SC73
BT131-600/DG,116
NOW WEEN - BT131-600 - 4 QU+E379
BTB08-600CRG
TRIAC 600V 8A TO220AB
Q6006NH4TP
TRIAC ALTERNISTOR 600V 6A TO263
NTE5651
TRIAC SENS GATE 200V 3A TO5
T1635H-8G
TRIAC STANDARD 800V 16A D2PAK
TMA124S-L
TRIAC 400V 12A
MAC97A8RLRPG
TRIAC SENS GATE 600V 0.6A TO92-3
T2035T-8G-TR
HIGH-TEMPERATURE TRIACS
Q4006DH3RP
TRIAC ALTERNISTOR 400V 6A TO252
Q4025K6TP
TRIAC ALTERNISTOR 400V 25A TO218
Q4012LH5TP
TRIAC ALTERNISTOR 400V 12A TO220
Q8025NH6RP
TRIAC ALTERNISTOR 800V 25A TO263
Q8012LH5TP
TRIAC ALTERNISTOR 800V 12A TO220
L4004D5RP
TRIAC SENS GATE 400V 4A TO252
Q6010N5RP
TRIAC 600V 10A TO263
Q4015N5TP
TRIAC 400V 15A TO263
SST139C-600E
600V 16A TO-220C 4-QUAD TRIAC