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-ST1200C14K0
SCR 1.4KV 3080A A24
S602BS2RP
SCR 600V 1.5A SOT89
VS-25TTS16S-M3
SCR 1.6KV 25A TO263AB
CR04AM-12-ATB#F00
POWER TRANSISTOR
2N6402G
SCR 200V 16A TO220AB
VS-ST183C08CFN0
SCR 800V 690A A-PUK
S8016RATP
SCR 800V 25A TO220AB
SJ6020RTP
SCR 600V 20A TO220AB
NTE6404
SCR 1A TO98
SV6016N2RP
SCR 16A 600V HI TEMP TO263
MCR8SMG
SCR 600V 8A TO220AB
EC103D2RP
SCR 400V 800MA TO92
CS19-12HO1S-TUB
SCR 1200V 31A TO263
C228A1
35 AMP SCR T0-48
S6010DS2RP
SCR 600V 10A TO252
T2563NH80TOHXOSA1
SCR 8KV 3600A T17240L-1
2N3097
SCR , 70 AMP 1.2KV TO-94
VS-ST730C16L0
SCR 1.6KV 2000A B-PUK
SJ6008DS2RP
SCR 600V 8A TO252
TYN16-800RTQ
SCR 800V 16A TO220AB