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SIDACs

A SIDAC – Silicon Diode Alternating Current – is a discrete on/off switch that is used to control the output power of an electrical circuit.

Differences between SIDACs and DIACs
SIDACs are similar to DIACs (three-layer diodes that conduct electrical current) because their operation is nearly identical. However, a SIDAC is a five-layer device. In general, it has a higher break-over voltage and greater current handling capacities. SIDACs can be used directly for switching and not simply for triggering another switching device. They’re commonly used in:

  • High voltage lamps

  • High voltage power supplies

  • Pulse generators

  • Fluorescent lighting

How do SIDACs work?
SIDACs are widely used with TRIACs to improve the operation of your power switching system.
They remain in a non-conducting state until the voltage across your device rises to a level above the break-over voltage. At this point the device starts to conduct.

The device will continue to conduct until the voltage falls below its holding current, at which point the device will return to its non-conducting state. It will then conduct again once the break-over voltage is exceeded.
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Part Details Brand Stock Maximum Breakover Voltage Peak On-State Voltage Maximum Holding Current Surge Current Rating Repetitive Peak Reverse Voltage Repetitive Peak Forward Blocking Voltage Mounting Type Package Type Pin Count Repetitive Peak Off-State Current Dimensions Length Width Height Maximum Operating Temperature
Shindengen, K1V10, SIDAC, 90V 0.01mA, 2-Pin AX 10 Shindengen 0 113V 1.6V 50mA 16A 90V 90V Through Hole AX 10 2 0.01mA 7 x 4.4 x 4.4mm 7mm 4.4mm 4.4mm +125 °C
Shindengen, K1V22, SIDAC, 180V 0.01mA, 2-Pin AX 10
  • € 1.03
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Shindengen 0 230V 1.5V 20mA 20A 180V 180V Through Hole AX 10 2 0.01mA 7 x 4.4 x 4.4mm 7mm 4.4mm 4.4mm +125 °C
Shindengen, K1V38(W), SIDAC, 270V 0.01mA, 2-Pin AX 10 Shindengen 0 400V 3V 50mA 13A 270V 270V Through Hole AX 10 2 0.01mA 7 x 4.4 x 4.4mm 7mm 4.4mm 4.4mm +125 °C
Shindengen, K1V6, SIDAC, 40V 0.01mA, 2-Pin AX 10
  • € 1.00
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Shindengen 0 65V 1.5V 50mA 13A 40V 40V Through Hole AX 10 2 0.01mA 7 x 4.4 x 4.4mm 7mm 4.4mm 4.4mm +125 °C
Littelfuse, P0300SCMCLRP, SIDAC, 25V 0.005mA, 2-Pin DO-214AA Littelfuse 2700 - 4V 50mA 0.8A 25V 25V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P0300SAMCLRP, SIDAC, 25V 0.005mA, 2-Pin DO-214AA Littelfuse 2190 - 4V 50mA 0.8A 25V 25V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P0300SCLRP, SIDAC, 25V 0.005mA, 2-Pin DO-214AA Littelfuse 2110 - 4V 50mA 0.8A 25V 25V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P3100SBLRP, SIDAC, 275V 0.005mA, 2-Pin DO-214AA Littelfuse 1500 - 4V 150mA 0.8A 275V 275V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P0080SALRP, SIDAC, 6V 0.005mA, 2-Pin DO-214AA Littelfuse 920 - 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P0080SCMCLRP, SIDAC, 6V 0.005mA, 2-Pin DO-214AA Littelfuse 420 - 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P3100SCLRP, SIDAC, 275V 0.005mA, 2-Pin DO-214AA Littelfuse 280 - 4V 150mA 0.8A 275V 275V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P0080SCLRP, SIDAC, 6V 0.005mA, 2-Pin DO-214AA Littelfuse 210 - 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, K2401GRP, SIDAC, 190V 5μA, 2-Pin DO-15 Littelfuse 50 250V - 160mA 20A 190V 190V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm - +125 °C
Littelfuse, K1200E70, SIDAC 5μA, 3-Pin TO-92 Littelfuse 0 125V 1.5V 150mA 20A - 90V Through Hole TO-92 3 5µA 4.73 x 3.68 x 4.98mm 4.73mm 3.68mm 4.98mm +125 °C
Littelfuse, K1200G, SIDAC 5μA, 2-Pin DO-15 Littelfuse 0 125V 1.5V 150mA 20A - 90V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm - +125 °C
Littelfuse, K2400E70, SIDAC 5μA, 3-Pin TO-92 Littelfuse 0 250V 1.5V 150mA 20A - 190V Through Hole TO-92 3 5µA 4.73 x 3.68 x 4.98mm 4.73mm 3.68mm 4.98mm +125 °C
Littelfuse, K2400G, SIDAC 5μA, 2-Pin DO-15 Littelfuse 0 250V 1.5V 150mA 20A - 190V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm - +125 °C
Littelfuse, K2401GRP, SIDAC, 190V 5μA, 2-Pin DO-15
  • € 1.25
  • Each (On a Reel of 5000)
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Littelfuse 0 250V - 160mA 20A 190V 190V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm - +125 °C
Littelfuse, P0080SAMCLRP, SIDAC, 6V 0.005mA, 2-Pin DO-214AA Littelfuse 0 - 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
Littelfuse, P3100SALRP, SIDAC, 275V 0.005mA, 2-Pin DO-214AA Littelfuse 0 - 4V 150mA 0.8A 275V 275V Surface Mount DO-214AA (SMB) 2 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
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