Thyristors - SCRs
Thyristors - SCRs: Precision Power Control Components
Definition & Core Functionality
Thyristors - Silicon Controlled Rectifiers (SCRs) are critical semiconductor devices within the Discrete Semiconductor Products category, designed for high-efficiency power control in AC/DC circuits. As solid-state switches, SCRs excel in regulating high-voltage/high-current applications by triggering conduction with a gate signal and maintaining it until current drops below a threshold. Their unidirectional current flow makes them ideal for rectification, phase control, and surge protection in industrial and consumer electronics.
Key Types & Applications
1. Standard SCRs: General-purpose modules for motor controls, lighting systems, and power supplies.
2. Sensitive Gate SCRs: Low-trigger-current variants for precision circuits like medical equipment.
3. Phase-Control SCRs: Optimized for timing-dependent applications (e.g., dimmers, inverters).
4. High-Temperature SCRs: Robust designs for automotive/aviation systems.
Purchasing Recommendations
- Voltage/Current Ratings: Match device specs (e.g., VDRM, IT(RMS)) to operational demands, factoring in 20-30% overhead for safety.
- Gate Sensitivity: Select lower trigger currents (IGT) for low-power circuits; higher IGT ensures noise immunity in industrial settings.
- Packaging: TO-220/TO-263 packages balance heat dissipation and PCB space.
- Compliance: Prioritize UL/IEC-certified SCRs for regulated industries.
Why Choose SCRs?
SCRs offer unmatched reliability in harsh environments (e.g., temperature fluctuations, electrical noise), reducing maintenance costs versus mechanical switches. Their longevity (>100,000 cycles) and fast switching ( s-range) make them a cost-effective solution for energy-efficient designs.
Note: Pair with heat sinks for >5A applications to maximize lifespan.
Filter and sort
Categories
VS-10RIA40
SCR 400V 25A TO208AA
SJ6020L2TP
SCR 600V 20A ITO220AB
EC103D1AP
SCR 400V 800MA TO92
VS-25RIA80
SCR 800V 40A TO208AA
VS-25TTS12STRL-M3
SCR 1.2KV 25A TO263AB
VS-25RIA120
SCR 1.2KV 40A TO208AA
10RIA120
SCR THYRISTOR 25 AMP TO 48
2N6399G
SCR 800V 12A TO220AB
VS-ST1230C14K0L
SCR 1.4KV 3200A A24
SJ6012VTP
SCR 600V 12A TO251
NTE5586
SCR 600V 360A TO93
S6006VS2TP
SCR 600V 6A TO251
25RIA120
SCR THYRISTOR 25 AMP TO 48
VS-40TPS08-M3
SCR 800V 55A TO247AC
2N2325
TO5 1.6 AMP SCR
SV6025L1QTP
SCR 25A 600V HI TEMP TO220L
2N2328
TO5 1.6 AMP SCR
S6055MTP
SCR 600V 55A TO218-3
SJ6016N2RP
SCR 600V 16A TO263
S4006DS2RP
SCR 400V 6A TO252