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
BTA08-600TWRG
TRIAC SENS GATE 600V 8A TO220AB
L0103MTRP
TRIAC SENS GATE 600V 1A SOT223
SST24B-800CW
800V 25A PACKAGE TO-220B 3-QUADR
NTE5645
TRIAC-600VRM 10A I.TAB
QJ6006DH3TP
TRIAC ALT 6A 600V TO-252 D-PAK
Q4012RH2TP
ALTNSTR 400V 12A 10-10-10 MA TO2
BCR16KM-12LA-A8#X3
NON-INSULATED TYPE TRIAC
Z0109NA,412
TRIAC SENS GATE 800V 1A TO92-3
Q4X3RP
TRIAC SENS GATE 400V 0.8A DO214
TIL3021
TRIAC OUTPUT OPTOCOUPLER
L601E3RP
TRIAC SENS GATE 600V 1A TO92
L0107DERP
TRIAC SENS GATE 400V 1A TO92
MAC228A6TG
TRIAC SENS GATE 400V 8A TO220AB
BTA412Y-800B,127
NOW WEEN - BTA412Y-800B - 3 QUAD
BCR10KM-12LA#C03
TRIAC, 600V, 10A
MAC97A6G
TRIAC SENS GATE 400V 0.6A TO92-3
BT131-600D116
4 QUADRANT TRIAC TO 92
Q6010N4RP
TRIAC 600V 10A TO263
T435-600B
TRIAC ALTERNISTOR 600V 4A DPAK
MAC3030-8G
TRIAC 250V 8A TO220AB