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
T2550-12I
1200V 25A SNUBBERLESS TRI
Q6016LH1LEDTP
TRIAC 600V 16A TO220ISO
BTA212-600D,127
TRIAC SENS GATE 600V 12A TO220AB
QJ8040JH7TP
TRIAC 800V 40A TO-218X
BTA26-600BRG
TRIAC 600V 25A TOP3
Q8006NH4RP
TRIAC ALTERNISTOR 800V 6A TO263
QJ4016LH4TP
ALTERNISTOR TRIAC 16A TO220
T810T-8G
8A 800V 150C DPAK LO
L4X8E3RP
TRIAC SENS GATE 400V 0.8A TO92
L401E8AP
TRIAC SENS GATE 400V 1A TO92
BT134W-600E,115
TRIAC SENS GATE 600V 1A SC73
NTE5629
TRIAC 400V 4A TO202
BTA26-800BRG
TRIAC 800V 25A TOP3
L6X8E3AP
TRIAC SENS GATE 600V 0.8A TO92
L401E3RP
TRIAC SENS GATE 400V 1A TO92
BTB12-600TW3G
TRIAC SENS GATE 600V 12A TO220AB
QJ8010N5RP
TRIAC 800V 10A TO263
BTA204W-800C,135
TRIAC 800V 1A SC73
QJ8016NH3RP
TRIAC 800V 16A TO-263 D2-PAK
Q601E3RP
TRIAC SENS GATE 600V 1A TO92