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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BT131-600,116
TRIAC SENS GATE 600V 1A TO92-3
Q4016RH4TP
ALTNSTR 400V 16A 35-35-35 MA TO2
Q8004D4TP
TRIAC 800V 4A TO252
T1210T-8T
TRIAC 800V 12A 10MA TO-220AB
T2550-12T
TRIAC ALTERNISTOR 1.2KV TO220AB
T850-6G
LOGIC LEVEL AND STANDARD 8 A TRI
BTA316-800E,127
TRIAC SENS GATE 800V 16A TO220AB
T435-600T
TRIAC ALTERNISTOR 600V TO220AB
Q6006VH4TP
TRIAC ALTERNISTOR 600V 6A TO251
BTB24-600BRG
TRIAC 600V 25A TO220AB
BT137X-600F,127
NOW WEEN - BT137X-600F - 4 QUADR
T3035H-6G
TRIAC ALTERNISTOR 600V 30A D2PAK
T835-800B-TR
TRIAC ALTERNISTOR 800V 8A DPAK
Q6025R5TP
TRIAC 600V 25A TO220
Q4016NH6TP
TRIAC ALTERNISTOR 400V 16A TO263
T435T-600FP
TRIAC ALTERNISTOR 600V 4A TO220
T3035H-6I
TRIAC ALTERNISTOR 600V TO220AB
QJ6025RH6TP
ALTERNISTOR TRIAC 25A TO220AB
Z0109MNT1G
TRIAC SENS GATE 600V 1A SOT223
QJ4025NH6RP
ALTERNISTOR TRIAC 25A TO263