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
SST16A-800BW
800V 16A TO-220A 3-QUADRANTS TRI
MAC4DCM-1G
TRIAC 600V 4A IPAK
LX803DEAP
TRIAC SENS GATE 400V 0.8A TO92
MAC9MG
TRIAC 600V 8A TO220AB
Q6016NH4RP
TRIAC ALTERNISTOR 600V 16A TO263
ACS120-7SFP
TRIAC SENS GATE 700V TO220FPAB
Z0103MUF
TRIAC SENS GATE 600V 1A SMBFLAT
MAC228A8TG
TRIAC SENS GATE 600V 8A TO220AB
L0103MEAP
TRIAC SENS GATE 600V 1A TO92
Q4006DH4TP
TRIAC ALTERNISTOR 400V 6A TO252
Q6012LH5TP
TRIAC ALTERNISTOR 600V 12A TO220
NTE5646
TRIAC-600VRM 10A
ACST1235-7G
TRIAC 700V 12A D2PAK
T1235T-8G-TR
THYRISTORS (SCR) AND AC SWITCHES
Q6006NH4RP
TRIAC ALTERNISTOR 600V 6A TO263
BTA204-800E,127
TRIAC SENS GATE 800V 4A TO220AB
BTA216-800B,127
NOW WEEN - BTA216-800B - 3 QUADR
BTB12-600TWRG
TRIAC SENS GATE 600V 12A TO220AB
T810T-8T
TRIAC 800V 8A 10MA TO-220AB
L4X8E6AP
TRIAC SENS GATE 400V 0.8A TO92