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DIACs

The acronym DIAC is short for “diode for alternating current”. A DIAC is a semiconductor switch that can be turned on in both forward and reverse polarities (full-wave or bi-directional). DIACS are also called "symmetrical trigger diodes".

What is the function of a DIAC?

A DIAC works by introducing a voltage, in either direction. A ’break over point’ is the...

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STMicroelectronics DB4 DIAC 45V, 2A, 2-Pin DO-35
STMicroelectronics DB4 DIAC 45V, 2A, 2-Pin DO-35
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RS Stock No.: 829-0692Brand: STMicroelectronicsManufacturers Part No.: DB4

AED 0.945

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25AED 0.945
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STMicroelectronics
-
45V
-
2A
-
Through Hole
DO-35
2
2 (Dia) x 4.5mm
4.5mm
2 (Dia.)mm
+125 °C
-
STMicroelectronics DB3 DIAC 36V, 2A, 2-Pin DO-35
STMicroelectronics DB3 DIAC 36V, 2A, 2-Pin DO-35
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Also available in industry standard packaging
RS Stock No.: 108-132Brand: STMicroelectronicsManufacturers Part No.: DB3

AED 0.315

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5

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5AED 0.315
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STMicroelectronics
0.05mA
36V
-
2A
0.01mA
Through Hole
DO-35
2
4.5 x 2 x 2mm
4.5mm
2mm
+125 °C
2mm
Bourns TISP4500H3BJR-S Thyristor 500V, 2A, 2-Pin SMB
Bourns TISP4500H3BJR-S Thyristor 500V, 2A, 2-Pin SMB
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RS Stock No.: 773-4659Brand: BournsManufacturers Part No.: TISP4500H3BJR-S

AED 3.098

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25

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25AED 3.098
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Bourns
-
500V
±350V
2A
±10µA
Surface Mount
SMB
2
4.57 x 3.94 x 2.237mm
4.57mm
3.94mm
+150 °C
2.237mm
Bourns TISP4500H3BJR-S Thyristor 500V, 2A, 2-Pin SMB
Bourns TISP4500H3BJR-S Thyristor 500V, 2A, 2-Pin SMB
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RS Stock No.: 165-3044Brand: BournsManufacturers Part No.: TISP4500H3BJR-S

AED 1.942

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3000

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3000AED 1.942
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Bourns
-
500V
±350V
2A
±10µA
Surface Mount
SMB
2
4.57 x 3.94 x 2.237mm
4.57mm
3.94mm
+150 °C
2.237mm
Bourns TISP4C350H3BJR-S Thyristor 350V, 2.1A, 2-Pin SMB
Bourns TISP4C350H3BJR-S Thyristor 350V, 2.1A, 2-Pin SMB
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RS Stock No.: 165-3042Brand: BournsManufacturers Part No.: TISP4C350H3BJR-S

AED 2.782

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3000

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3000AED 2.782
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Bourns
-
350V
±275V
2.1A
±10µA
Surface Mount
SMB
2
4.57 x 3.94 x 2.237mm
4.57mm
3.94mm
+150 °C
2.237mm
Bourns TISP4C350H3BJR-S Thyristor 350V, 2.1A, 2-Pin SMB
Bourns TISP4C350H3BJR-S Thyristor 350V, 2.1A, 2-Pin SMB
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RS Stock No.: 773-4652Brand: BournsManufacturers Part No.: TISP4C350H3BJR-S

AED 3.098

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25

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25AED 3.098
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Bourns
-
350V
±275V
2.1A
±10µA
Surface Mount
SMB
2
4.57 x 3.94 x 2.237mm
4.57mm
3.94mm
+150 °C
2.237mm
STMicroelectronics DB3 DIAC 36V, 2A, 2-Pin DO-35
STMicroelectronics DB3 DIAC 36V, 2A, 2-Pin DO-35
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RS Stock No.: 919-6497Brand: STMicroelectronicsManufacturers Part No.: DB3

AED 0.158

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5000AED 0.158
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STMicroelectronics
0.05mA
36V
-
2A
0.01mA
Through Hole
DO-35
2
4.5 x 2 x 2mm
4.5mm
2mm
+125 °C
2mm
STMicroelectronics DB3TG DIAC 34V, 2A, 2-Pin DO-35
STMicroelectronics DB3TG DIAC 34V, 2A, 2-Pin DO-35
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Also available in industry standard packaging
RS Stock No.: 714-0521Brand: STMicroelectronicsManufacturers Part No.: DB3TG

AED 0.578

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25

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25AED 0.578
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STMicroelectronics
0.015mA
34V
-
2A
0.01mA
Through Hole
DO-35
2
4.5 x 2 x 2mm
4.5mm
2mm
+125 °C
2mm
STMicroelectronics DB3TG DIAC 34V, 2A, 2-Pin DO-35
STMicroelectronics DB3TG DIAC 34V, 2A, 2-Pin DO-35
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RS Stock No.: 168-6788Brand: STMicroelectronicsManufacturers Part No.: DB3TG

AED 0.262

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5000

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5000AED 0.262
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STMicroelectronics
0.015mA
34V
-
2A
0.01mA
Through Hole
DO-35
2
4.5 x 2 x 2mm
4.5mm
2mm
+125 °C
2mm
STMicroelectronics DB4 DIAC 45V, 2A, 2-Pin DO-35
STMicroelectronics DB4 DIAC 45V, 2A, 2-Pin DO-35
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RS Stock No.: 165-5671Brand: STMicroelectronicsManufacturers Part No.: DB4

AED 0.262

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5000

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5000AED 0.262
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STMicroelectronics
-
45V
-
2A
-
Through Hole
DO-35
2
2 (Dia) x 4.5mm
4.5mm
2 (Dia.)mm
+125 °C
-
STMicroelectronics SMDB3 DIAC 36V, 1A, 3-Pin SOT-23
STMicroelectronics SMDB3 DIAC 36V, 1A, 3-Pin SOT-23
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Also available in industry standard packaging
RS Stock No.: 687-0965Brand: STMicroelectronicsManufacturers Part No.: SMDB3

AED 0.472

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20AED 0.472
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STMicroelectronics
0.01mA
36V
-
1A
0.01mA
Surface Mount
SOT-23
3
2.9 x 1.3 x 0.95mm
2.9mm
1.3mm
+125 °C
0.95mm
STMicroelectronics SMDB3 DIAC 36V, 1A, 3-Pin SOT-23
STMicroelectronics SMDB3 DIAC 36V, 1A, 3-Pin SOT-23
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RS Stock No.: 165-7499Brand: STMicroelectronicsManufacturers Part No.: SMDB3

AED 0.472

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3000

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3000AED 0.472
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STMicroelectronics
0.01mA
36V
-
1A
0.01mA
Surface Mount
SOT-23
3
2.9 x 1.3 x 0.95mm
2.9mm
1.3mm
+125 °C
0.95mm
STMicroelectronics TMMDB3 DIAC 36V, 2A, 2-Pin MiniMELF
STMicroelectronics TMMDB3 DIAC 36V, 2A, 2-Pin MiniMELF
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RS Stock No.: 165-7439Brand: STMicroelectronicsManufacturers Part No.: TMMDB3

AED 0.788

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2500

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2500AED 0.788
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STMicroelectronics
0.05mA
36V
-
2A
0.01mA
Surface Mount
MiniMELF
2
3.4 x 1.62 x 1.62mm
3.4mm
1.62mm
+125 °C
1.62mm
STMicroelectronics TMMDB3 DIAC 36V, 2A, 2-Pin MiniMELF
STMicroelectronics TMMDB3 DIAC 36V, 2A, 2-Pin MiniMELF
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Also available in industry standard packaging
RS Stock No.: 687-0975Brand: STMicroelectronicsManufacturers Part No.: TMMDB3

AED 1.05

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20

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20AED 1.05
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STMicroelectronics
0.05mA
36V
-
2A
0.01mA
Surface Mount
MiniMELF
2
3.4 x 1.62 x 1.62mm
3.4mm
1.62mm
+125 °C
1.62mm
STMicroelectronics TMMDB3TG DIAC 36V, 2A, 2-Pin MiniMELF
STMicroelectronics TMMDB3TG DIAC 36V, 2A, 2-Pin MiniMELF
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RS Stock No.: 168-6657Brand: STMicroelectronicsManufacturers Part No.: TMMDB3TG

AED 0.368

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2500

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2500AED 0.368
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STMicroelectronics
0.05mA
36V
-
2A
0.01mA
Surface Mount
MiniMELF
2
3.4 x 1.62 x 1.62mm
3.4mm
1.62mm
+125 °C
1.62mm
STMicroelectronics TMMDB3TG DIAC 36V, 2A, 2-Pin MiniMELF
STMicroelectronics TMMDB3TG DIAC 36V, 2A, 2-Pin MiniMELF
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Also available in industry standard packaging
RS Stock No.: 687-0971Brand: STMicroelectronicsManufacturers Part No.: TMMDB3TG

AED 0.368

Each (In a Pack of 20) (ex VAT)

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20

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20AED 0.368
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STMicroelectronics
0.05mA
36V
-
2A
0.01mA
Surface Mount
MiniMELF
2
3.4 x 1.62 x 1.62mm
3.4mm
1.62mm
+125 °C
1.62mm