Thyristors

What is a Thyristor?A Thyristor is a four layer semiconductor device, also known as a silicon controlled rectifier (SCR) It is like a fast static switch and is good for controlling large amounts of power, they can also control the speed of DC motors.A Thyristor usually consists of three electrodes: an anode (positive terminal), Cathode (negative terminal) and a gate. (You can also get thyristors with two or four leads). The gate is the main control terminal while the main current flows between the anode and cathode The Thyristor is made of N type and P type materials. The N-type material is formed by doping an element with electrons to increase the number of negative charge-carrying electrons. The P-type material is also produced through doping, although the resulting charge-carrying electrons are positively charged. By alternating layers of P and N-type material, a semiconductor thyristor device is formed. Thyristors are used to create a latching circuit. Thyristors can be turned on using the gate. It then turns off when the voltage across the anode-cathode drops back down to zero. Types of Thyristor: Silicon controlled rectifier (SCR) -The basic purpose of a SCR is to function as a switch that can turn on or off small or large amounts of power.Silicon controlled switch (SCS) - Silicon Controlled Switch (SCS) is a device similar to a SCR, but it is designed to turn off when a positive voltage/input current pulse is applied to an additional "Anode gate" Triac – Triac gets its name from Triode for alternating current Triacs are similar to SCRs but it conducts in both directions, (a bidirectional device). This means that it can switch AC and DC currents. Four layer diode - A four layer diode has 2 pins and is similar to a voltage-sensitive switch. When the voltage between the two pins exceeds the breakdown voltage it turns ON, otherwise its OFF. Diac- Diac is a mix of the words diode and ac switch it is similar to four-layer diode but it can conduct in both directions meaning it can contact both AC and DC currents.Thyristors are used in applications such as motor speed controls, pressure control systems, light dimmers and liquid level regulators What are Phase controlled Thyristors?Thyristors are frequently used as phase-controlled current valves for AC to DC conversion and vice versa, operating at low frequencies In the conducting state, thyristors feature very low losses, making them ideal devices to efficiently control very high currents and energies.

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제품설명 단가 Rated Average On-State Current Thyristor Type Package Type Repetitive Peak Reverse Voltage Surge Current Rating Mounting Type Maximum Gate Trigger Current Maximum Gate Trigger Voltage Maximum Holding Current Pin Count Length Width Height Dimensions
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16A SCR TO-220AB 600V 190 A @ 50 Hz, 200 A @ 60 Hz Through Hole 40mA 1.3V 50mA 3 10.36mm 4.67mm 15.35mm 10.36 x 4.67 x 15.35mm
RS 제품 번호 103-5140
제조사 부품 번호2N6404G
제조사Littelfuse
₩1,071.05
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10A SCR TO-220AB 600V 160A Through Hole 60mA 2.5V 60mA 3 10.28mm 4.82mm 15.75mm 10.28 x 4.82 x 15.75mm
RS 제품 번호 165-7782
제조사 부품 번호TN1215-600G-TR
₩1,044.70
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RS 제품 번호 103-8143
제조사 부품 번호BT152-600R
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13A SCR TO-220AB 650V 220A Through Hole 32mA 1.5V 60mA 3 10.3mm 4.7mm 9.4mm 10.3 x 4.7 x 9.4mm
RS 제품 번호 168-4652
제조사 부품 번호CS45-12IO1
제조사IXYS
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RS 제품 번호 761-3993
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제조사IXYS
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31A SCR TO-247AD 1400V 320A Through Hole 80mA 1.2V 100mA 3 16.26mm 5.3mm 21.46mm 16.26 x 5.3 x 21.46mm
RS 제품 번호 165-9922
제조사 부품 번호S8040R
제조사Littelfuse
₩2,931.05
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40A SCR TO-220AB 400V 520A Through Hole 40000µA 1.5V 60mA 3 10.67mm 4.78mm 15.75mm 10.67 x 4.78 x 15.75mm
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RS 제품 번호 168-8904
제조사 부품 번호TYN612RG
₩1,681.75
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8A SCR TO-220AB 600V 145A Through Hole 200µA 0.8V 5mA 3 10.4mm 4.6mm 15.75mm 10.4 x 4.6 x 15.75mm
RS 제품 번호 166-0034
제조사 부품 번호BT149G
₩165.85
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0.5A SCR TO-92 600V 9A Through Hole 200µA 0.8V 5mA 3 4.2mm 4.8mm 5.2mm 4.2 x 4.8 x 5.2mm
RS 제품 번호 545-0006
제조사 부품 번호2N6509G
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RS 제품 번호 165-5512
제조사 부품 번호X0202MA 2BL2
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RS 제품 번호 687-0943
제조사 부품 번호TN1215-600G-TR
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RS 제품 번호 905-6074
제조사 부품 번호SKT 16/16 E
제조사Semikron
₩31,713.00
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18A SCR A 46 1600V 2000A Thread Mount 150 (Min)mA 3 (Min)V 250mA 7 93mm 20mm 30mm 93 x 20 x 30mm