A silicon controlled rectifier (SCR) is a four-layer semiconductor device used for power control. Their reliability and ability to handle high power levels make them valuable components in many electronic and industrial systems. SCR acts as a controlled switch for electrical signals and is often used in motor control, lighting control, and power regulation applications. In this article, everything PE has listed some interesting silicon controlled rectifiers that were trending on the website.

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1200 V Automotive Qualified SCR Thyristor

The TN4050HP-12WY from STMicroelectronics is a Silicon Controlled Rectifier that is designed for automotive onboard and stationary battery charger applications. It has a break-over voltage of up to 1200 V and a break-over current of less than 400 A. This thyristor has a gate trigger voltage of up to 1.3 V and a gate trigger current of 10 to 50 mA. This AEC-Q101-qualified thyristor is available in a through-hole package that measures 15.45 x 34.05 mm. Read more.

1200 V Thyristor for Charging Applications

The VS-P405 from Vishay is a Thyristor that is ideal for power supplies, control circuits, and battery charger applications. It has a break-over voltage of up to 1200 V and a break-over current of less than 385 A. This thyristor has a gate trigger voltage of 2 V and a gate trigger current of 60 mA. It is available as a module that measures 63.5 x 32.5 x 25 mm. Read more.

1800 V Hermetically-Sealed Phase Control Thyristor

The MS T2505C10 from MS Power is a Phase Control Thyristor that is ideal for welding, motor control, battery chargers, controlled rectifiers, medical equipment, induction heating, power supplies, UPS, and transportation applications. It has a break-over voltage of 1800 V and a break-over current of 47 kA. This silicon-controlled rectifier (SCR) has a gate trigger voltage of 3 V and a gate trigger current of 250 mA. This SCR is available in a hermetically-sealed disc package that measures 102 x 26 mm. Read more.

1600 V Silicon-based Phase Control Thyristor

The T590N16TOF from Infineon Technologies is a Silicon-based Phase Control Thyristor that is designed for use in UPS, traction, drives, commercial, construction, and agricultural vehicles (CAV) applications. It has a break overvoltage of up to 1600 V and a break overcurrent of less than 8000 A. This silicon-controlled rectifier has a gate trigger voltage of 2.5 V and a gate trigger current of up to 250 mA. This SCR is available in a hermetically sealed ceramic disc package that measures 58 x 26 mm. Read more.

77 V Bidirectional Thyristor for Surge Protection Applications

The TB0640H-13-F from Diodes Incorporated is a Bidirectional Thyristor that has been designed for surge protection applications. It has a break-over voltage of up to 77 V and a break-over current of less than 50 A. This silicon-controlled rectifier (SCR) can handle a maximum pulse current of 100 A for a duration of 10/1000 μs. This RoHS-compliant SCR is available in a surface-mount package that measures 4.57 x 3.94 x 2.50 mm. Read more.

350 V Bidirectional Thyristor for Voltage Regulation Applications

The TISP4350L3 from Bourns is a bidirectional Thyristor designed to limit overvoltages on the telephone line. It has a break-over voltage of up to 350 V and a break-over current of less than 250 mA. This thyristor has a gate trigger voltage of 275 V and a gate trigger current of 5 µA. It has a high impedance up to 58 V and will switch off after a surge and will not be triggered by the normal exchange battery voltage. Read more.

200 V Silicon Controlled Rectifier for Industrial Applications

The NTE5580 from NTE Electronics is a Silicon Controlled Rectifier that is ideal for industrial and commercial applications. It has a break-over voltage of up to 200 V and a break-over current of less than 3500 A. This thyristor has a gate trigger voltage of 3 V and a gate trigger current of 200 mA. It is available as a screw mount package that measures 233.09 x 36.68 mm. Read more.

Low Power Thyristor for Solid State Relays

The CR05AS-8 from Renesas is a Silicon Controlled Rectifier that is ideal for solid state relay, strobe flasher, igniter, and hybrid IC. It has a break-over voltage of up to 400 V and a break-over current of less than 0.79 A. This thyristor has a gate trigger voltage of 0.8 V and a gate trigger current of 100 µA. It is available in a surface mount package that measures 4.5 x 2.5 x 1.5 mm. Read more.

Reverse Blocking Triode Thyristors for Phase Control Applications

The 2N1772A from Central Semiconductor is a reverse-blocking triode thyristor that is designed for use in low-power switching and phase control applications. It has a break-over voltage of up to 100 V and a break-over current of less than 7.4 A. This thyristor has a gate trigger voltage of 2 V and a gate trigger current of 0.015 A. It is available in a through-hole package that measures 33.23 x 11.10 mm. Read more.

Planar Passivated Silicon Controlled Rectifier for Voltage Regulation Applications

The BT151X-650LT from WeEN Semiconductors is a planar passivated Silicon Controlled Rectifier that is ideal for capacitive discharge ignition (CDI), crowbar protection, inrush protection, motor control and voltage regulation applications. It has a break-over voltage of up to 650 V and a break-over current of less than 120 A. This thyristor has a gate trigger voltage of 1 V and a gate trigger current of 0.005 A. It is available in a through-hole package that measures 30.2 x 4.6 mm. Read more.

400V Silicon Controlled Rectifier for Phase Control Applications

The TBS704350HHE from Powerex is a Silicon Controlled Rectifier that is ideal for power supplies, motor control and battery charger applications. It has a break-over voltage of up to 400 V and a break-over current of less than 48000 A. This thyristor has a gate trigger voltage of 4 V and a gate trigger current of 0.25 A. It is available in a disc package that measures 110.7 x 26.67 mm. Read more.

Glass Passivated Silicon Controlled Rectifier for Power Tool Applications

The PST-S2535-12B from Yangzhou Positioning Tech is a glass passivated Silicon Controlled Rectifier that is ideal for overvoltage crowbar protection, motor control circuits in power tools and kitchen aids, inrush current limiting circuits, capacitive discharge ignition, soft start AC motor control and voltage regulation circuit. It has a break-over voltage of up to 1200 V and a break-over current of less than 350 A. This thyristor has a gate trigger voltage of 1.3 V and a gate trigger current of 35 mA. It is available in a through hole package that measures 29.8 x 10.3 x 4.6 mm. Read more.

400V Silicon Controlled Rectifier for Switching Applications

The BT169-400 from KEXIN is a Silicon Controlled Rectifier that is suitable for wide range of switching applications. It has a break-over voltage of up to 400 V and a break-over current of less than 9 A. This thyristor has a gate trigger voltage of 0.8 V and a gate trigger current of 200 µA. It is available in a surface mount package that measures 4.5 x 2.5 x 1.5 mm. Read more.

6500V Silicon Controlled Rectifier for Power Transmission Applications

The KP1800A from HUAJING RECTIFIER is a Silicon Controlled Rectifier suitable for high power industrial and power transmission applications. It has a break-over voltage of up to 6500 V and a break-over current of less than 22.5 KA. This thyristor has a gate trigger voltage of 3 V and a gate trigger current of 300 mA. It is available in a disc package that measures 63 x 26 mm. Read more.

400 V Silicon Controlled Rectifier Inrush Current Limiting Applications

The FS0609DH00TU from Fagor Electronica is a Silicon Controlled Rectifier that is ideal for overvoltage crowbar protection, motor control in power tools and domestic appliances, inrush current limiting circuits, capacitive discharge ignition and voltage regulation circuits. It has a break-over voltage of up to 400 V and a break-over current of less than 73 A. This thyristor has a gate trigger voltage of 1.5 V and a gate trigger current of 15 mA. It is available in a through-hole package that measures 29.31 x 10.36 mm. Read more.

25 V Silicon Controlled Rectifier for Military Applications

The MCR65-1HR from Digitron Semiconductors is a Silicon Controlled Rectifier ideal for highly reliable switching and control in industrial and military applications. It has a break-over voltage of up to 25 V and a break-over current of less than 550 A. This thyristor has a gate trigger voltage of 3.5 V and a gate trigger current of 75 mA. It is available in a stud mount package that measures 14.2 x 44.07 mm. Read more.

1400 V Silicon Controlled Rectifier for Ignition and Phase Control Applications

The CR-03 from Yangzhou Positioning Tech is a Silicon Controlled Rectifier that is ideal for ground fault circuit interrupters (GFCI), general purpose switching and phase control, ignition circuits, CDI for 2- and 3-wheelers and motor control for small kitchen appliances. It has a break-over voltage of up to 1400 V and a break-over current of less than 20 A. This thyristor has a gate trigger voltage of 1 V and a gate trigger current of 100 µA. It is available in a surface mount package that measures 6.7 x 3.7 x 1.8 mm. Read more.

600 V Silicon Controlled Rectifier for Capacitive Discharge Ignition Applications

The AC616B from Anbon Semiconductor is a glass passivated Silicon Controlled Rectifier ideal for capacitive discharge ignition (CDI), crowbar protection, inrush protection, motor control and voltage regulation. It has a break-over voltage of up to 600 V and a break-over current of less than 160 A. This thyristor has a gate trigger voltage of 1 V and a gate trigger current of 25 mA. It is available in a through-hole package that measures 6.7 x 3.7 x 1.8 mm. Read more.

1000 V Silicon Controlled Rectifier for Circuit Breaker Applications

The JX075E from Surge Components is a Silicon Controlled Rectifier ideal for residual current circuit breaker, straight hair, and igniter applications. It has a break-over voltage of up to 1000 V and a break-over current of less than 110 A. This thyristor has a gate trigger voltage of 0.8 V and a gate trigger current of 200 µA. It is available in a surface mount package that measures 15.8 x 10.2 mm. Read more.

600 V Silicon Controlled Rectifier for Phase Control Applications

The SMG5C60D from SanRex is a Silicon Controlled Rectifier that is designed for full wave AC control applications for domestic and industrial purposes. It has a break-over voltage of up to 600 V and a break-over current of less than 88 A. This thyristor has a gate trigger voltage of 1.4 V and a gate trigger current of 10 mA. It is available in a surface mount package that measures 8.8 x 6.6 x 2.3 mm. Read more.

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Note: This list has been compiled based on user activity on everything PE. To ensure that we cover the whole range of silicon controlled rectifiers we limited the number of products from each category and company. The listed products are shown in random order and are grouped by category.