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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Omschrijving Prijs 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
RS-stocknr. 878-1889
FabrikantnummerK2400G
FabrikantLittelfuse
€ 542,86
1 Pack of 1000
Pack(s)
250V 1.5V 150mA 20A - 190V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm -
RS-stocknr. 878-1886
FabrikantnummerK1200G
FabrikantLittelfuse
€ 414,29
1 Pack of 1000
Pack(s)
125V 1.5V 150mA 20A - 90V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm -
RS-stocknr. 738-3210
FabrikantnummerP0080SCMCLRP
FabrikantLittelfuse
€ 1,074
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3214
FabrikantnummerP0080SCLRP
FabrikantLittelfuse
€ 1,007
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 793-1885
FabrikantnummerK2401GRP
FabrikantLittelfuse
€ 1,41
Each (In a Pack of 5)
Aantal stuks
250V - 160mA 20A 190V 190V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm -
RS-stocknr. 738-3242
FabrikantnummerP0300SAMCLRP
FabrikantLittelfuse
€ 0,922
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3208
FabrikantnummerP0080SAMCLRP
FabrikantLittelfuse
€ 0,921
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3254
FabrikantnummerP0300SCMCLRP
FabrikantLittelfuse
€ 1,102
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 165-9870
FabrikantnummerK2401GRP
FabrikantLittelfuse
€ 0,67
Each (On a Reel of 5000)
Aantal stuks
250V - 160mA 20A 190V 190V Through Hole DO-15 2 5µA 3.556 (Dia.) x 6.858mm 6.86mm 3.556 (Dia.)mm -
RS-stocknr. 878-1883
FabrikantnummerK1200E70
FabrikantLittelfuse
€ 713,63
1 Pack of 2000
Pack(s)
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
RS-stocknr. 878-1892
FabrikantnummerK2400E70
FabrikantLittelfuse
€ 0,717
Each (In a Pack of 50)
Aantal stuks
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
RS-stocknr. 738-3239
FabrikantnummerP3100SCLRP
FabrikantLittelfuse
€ 1,039
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3220
FabrikantnummerP3100SALRP
FabrikantLittelfuse
€ 0,543
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3217
FabrikantnummerP0080SALRP
FabrikantLittelfuse
€ 0,798
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3248
FabrikantnummerP3100SBLRP
FabrikantLittelfuse
€ 1,092
Each (In a Pack of 10)
Aantal stuks
- 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
RS-stocknr. 738-3258
FabrikantnummerP0300SCLRP
FabrikantLittelfuse
€ 1,029
Each (In a Pack of 10)
Aantal stuks
- 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
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