Thyristors SCR:s

The thyristor family

Diac: Diac (diode for alternating current) is a component which starts conducting at a certain voltage (Vbo). It is used in power electronics and is often combined with triacs.

Triac: Triacs (triode for alternating current) are used in AC applications, for instance for regulating power in a heating element, motor, lamp etc. This is achieved by controlling the trigger input or gate, of the triac. When the input is on (positive or negative) the triac opens, and closes when the voltage on the gate returns to zero.

Thyristor: The thyristor is similar to the triac, but only conducts current in one direction.

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SCR (‏7)
Triac (‏25)

Featured products

  C106D TO-126 400V 4A
Thyristor in TO-126-package. Used for controlling AC-motors and light-dimming.
1 - $0.96
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25 - $0.72
100 - $0.48
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  TIC106M TO-220 600V 4A
1 - $2.15
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  BTA12-800B TO-220 800V 12A
1 - $2.29
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  BTA12-600BWRG TO-220 600V 12A insulated
1 - $2.29
10 - $2.06
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  BTA08-600BRG TO-220 TRIAC 8A 600V
MFG: Thomson CSF D/C 8342 uppfyller ej RoHS
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  BTA26A-600B TO-247 TRIAC
BTA26A-600B TRIAC TO-247
1 - $13.55
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  BTA12-600TW Triac TO-220 600V 12A
Triac with logic signal level gate input.
1 - $2.29
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