Thyristors

A thyristor is a type of semiconductor device that acts like a switch, allowing energy to flow in one direction only. It is a three-terminal electronic device composed of four layers of alternating P-type and N-type material that can operate in four different states: off, forward blocking, reverse blocking, and forward conducting. In its off state, the thyristor does not conduct current; in its forward blocking state, it allows current to flow in the forward direction only; in its reverse blocking state, it allows current to flow in the reverse direction only; and in its forward conducting state, it allows current to flow in either the forward or reverse direction. Thyristors can be used in many applications such as power control, over-current protection, motor speed control, and lighting dimmers.
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Sidacs 250V DO-214AC 2L
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Littelfuse 1691
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TRIAC Logic - Sensitive Gate 600 V 1 A Through Hole TO-92
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Littelfuse 1688
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BTA316B-600C,118


Triacs Thyristor TRIAC 600V 150A 3-Pin (2+Tab)
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NXP 1683
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Littelfuse SCRs 1.5 Amp Sensitive SCR
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Littelfuse 1681
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MCR69-2G


SCRs 50V 25A
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ON Semiconductor 1679
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AUD 1.8333
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BT149G.126


Thyristor; 600V; 500mA; 0.8A; 200uA; Package: Ammo Pack; THT; TO92
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WeEn Semiconductor 1678
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P0300S3NLRP


Thyristor Surge Protection Devices - TSPD 30V 2.5kA Bi-Dir
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Littelfuse 1669
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TO-220-3 TRIACs ROHS
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Littelfuse 1649
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SMP1100SCMC


Thyristor Surge Protection Devices - TSPD Trisil for telecomm equipment protection
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STMicroelectronics 1623
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BTA16-600CW3G


Triacs 16A 35mA 600V IGT 3 QUAD INTERNL ISLTD
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ON Semiconductor 1604
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