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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Description Prix 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 Repetitive Peak Off-State Current Dimensions Length Width Height Maximum Operating Temperature
N° de stock RS 738-3258
Référence fabricantP0300SCLRP
MarqueLittelfuse
1,039 €
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- 4V 50mA 0.8A 25V 25V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 738-3248
Référence fabricantP3100SBLRP
MarqueLittelfuse
0,894 €
Each (In a Pack of 10)
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- 4V 150mA 0.8A 275V 275V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 738-3254
Référence fabricantP0300SCMCLRP
MarqueLittelfuse
1,154 €
Each (In a Pack of 10)
Unité
- 4V 50mA 0.8A 25V 25V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 165-9870
Référence fabricantK2401GRP
MarqueLittelfuse
0,634 €
Each (On a Reel of 5000)
Unité
250V - 160mA 20A 190V 190V Through Hole DO-15 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm - +125 °C
N° de stock RS 738-3217
Référence fabricantP0080SALRP
MarqueLittelfuse
0,834 €
Each (In a Pack of 10)
Unité
- 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 738-3208
Référence fabricantP0080SAMCLRP
MarqueLittelfuse
0,932 €
Each (In a Pack of 10)
Unité
- 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 738-3239
Référence fabricantP3100SCLRP
MarqueLittelfuse
1,039 €
Each (In a Pack of 10)
Unité
- 4V 150mA 0.8A 275V 275V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 738-3242
Référence fabricantP0300SAMCLRP
MarqueLittelfuse
0,958 €
Each (In a Pack of 10)
Unité
- 4V 50mA 0.8A 25V 25V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 738-3214
Référence fabricantP0080SCLRP
MarqueLittelfuse
1,039 €
Each (In a Pack of 10)
Unité
- 4V 50mA 0.8A 6V 6V Surface Mount DO-214AA (SMB) 0.005mA 4.6 x 3.95 x 2.45mm 4.6mm 3.95mm 2.45mm +150 °C
N° de stock RS 793-1885
Référence fabricantK2401GRP
MarqueLittelfuse
1,276 €
Each (In a Pack of 5)
Unité
250V - 160mA 20A 190V 190V Through Hole DO-15 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm - +125 °C