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 45 V 2 A 2-Pin DO-35
Also available in industry standard packaging
RS Stock No.829-0692BrandSTMicroelectronicsManufacturers Part No.DB4

BD 2.020

BD 0.080 Each (In a Pack of 25) (Exc. Vat)

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STMicroelectronics
10μA
DIAC
45V
2A
0.01mA
Through Hole
DO-35
-40°C
2
125°C
4.5mm
-
2.75mm
2 mm
STMicroelectronics DB3 DIAC 36 V 2 A 2-Pin DO-35
Also available in industry standard packaging
RS Stock No.108-132BrandSTMicroelectronicsManufacturers Part No.DB3

BD 0.652

BD 0.131 Each (In a Pack of 5) (Exc. Vat)

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STMicroelectronics
50μA
DIAC
36V
2A
0.01mA
Through Hole
DO-35
-40°C
2
125°C
4.5mm
DB3
2mm
2 mm
Bourns TISP4500H3BJR-S Thyristor 500 V 2 A 2-Pin SMB
RS Stock No.165-3044BrandBournsManufacturers Part No.TISP4500H3BJR-S

BD 783.090

BD 0.261 Each (On a Reel of 3000) (Exc. Vat)

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Bourns
600mA
Thyristor
500V
2A
10μA
Surface
SMB
150°C
2
-40°C
4.57mm
TISP4500H3BJ
2.237mm
3.94 mm
Bourns Thyristor 500 V 2 A 2-Pin SMB
RS Stock No.773-4659BrandBournsManufacturers Part No.TISP4500H3BJR-S

BD 10.254

BD 0.410 Each (In a Pack of 25) (Exc. Vat)

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Bourns
600mA
Thyristor
500V
2A
10μA
Surface
SMB
150°C
2
-40°C
4.57mm
TISP4500H3BJ
2.237mm
3.94 mm
STMicroelectronics DB3TG DIAC 34 V 2 A 2-Pin DO-35
Also available in industry standard packaging
RS Stock No.714-0521BrandSTMicroelectronicsManufacturers Part No.DB3TG

BD 1.709

BD 0.068 Each (In a Pack of 25) (Exc. Vat)

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STMicroelectronics
0.015mA
DIAC
34V
2A
0.01mA
Through Hole
DO-35
125°C
2
-40°C
4.5mm
DB3TG
2mm
2 mm
STMicroelectronics DIAC 34 V 2 A 2-Pin DO-35
RS Stock No.168-6788BrandSTMicroelectronicsManufacturers Part No.DB3TG

BD 93.225

BD 0.019 Each (On a Reel of 5000) (Exc. Vat)

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STMicroelectronics
0.015mA
DIAC
34V
2A
0.01mA
Through Hole
DO-35
125°C
2
-40°C
4.5mm
DB3TG
2mm
2 mm
STMicroelectronics DIAC 36 V 1 A 3-Pin SOT-23
RS Stock No.165-7499BrandSTMicroelectronicsManufacturers Part No.SMDB3

BD 261.030

BD 0.087 Each (On a Reel of 3000) (Exc. Vat)

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STMicroelectronics
0.01mA
DIAC
36V
1A
0.01mA
Surface
SOT-23
125°C
3
-40°C
2.9mm
SMDB3
0.95mm
1.3 mm
STMicroelectronics DIAC 36 V 2 A 2-Pin DO-35
RS Stock No.919-6497BrandSTMicroelectronicsManufacturers Part No.DB3

BD 93.225

BD 0.019 Each (On a Reel of 5000) (Exc. Vat)

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STMicroelectronics
50μA
DIAC
36V
2A
0.01mA
Through Hole
DO-35
-40°C
2
125°C
4.5mm
DB3
2mm
2 mm
STMicroelectronics DIAC 36 V 2 A 2-Pin MiniMELF
RS Stock No.165-7439BrandSTMicroelectronicsManufacturers Part No.TMMDB3

BD 124.300

BD 0.050 Each (On a Reel of 2500) (Exc. Vat)

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STMicroelectronics
0.05mA
DIAC
36V
2A
0.01mA
Surface
MiniMELF
125°C
2
-40°C
3.4mm
TMMDB3
1.62mm
1.62 mm
STMicroelectronics DIAC 36 V 2 A 2-Pin MiniMELF
RS Stock No.168-6657BrandSTMicroelectronicsManufacturers Part No.TMMDB3TG

BD 124.300

BD 0.050 Each (On a Reel of 2500) (Exc. Vat)

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STMicroelectronics
0.05mA
DIAC
36V
2A
0.01mA
Surface
MiniMELF
125°C
2
-40°C
3.4mm
TMMDB3
1.62mm
1.62 mm
STMicroelectronics DIAC 45 V 2 A 2-Pin DO-35
RS Stock No.165-5671BrandSTMicroelectronicsManufacturers Part No.DB4

BD 155.375

BD 0.031 Each (On a Reel of 5000) (Exc. Vat)

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STMicroelectronics
10μA
DIAC
45V
2A
0.01mA
Through Hole
DO-35
-40°C
2
125°C
4.5mm
-
2.75mm
2 mm
STMicroelectronics SMDB3 DIAC 36 V 1 A 3-Pin SOT-23
Also available in industry standard packaging
RS Stock No.687-0965BrandSTMicroelectronicsManufacturers Part No.SMDB3

BD 4.102

BD 0.205 Each (In a Pack of 20) (Exc. Vat)

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STMicroelectronics
0.01mA
DIAC
36V
1A
0.01mA
Surface
SOT-23
125°C
3
-40°C
2.9mm
SMDB3
0.95mm
1.3 mm
STMicroelectronics TMMDB3 DIAC 36 V 2 A 2-Pin MiniMELF
Also available in industry standard packaging
RS Stock No.687-0975BrandSTMicroelectronicsManufacturers Part No.TMMDB3

BD 2.735

BD 0.136 Each (In a Pack of 20) (Exc. Vat)

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STMicroelectronics
0.05mA
DIAC
36V
2A
0.01mA
Surface
MiniMELF
125°C
2
-40°C
3.4mm
TMMDB3
1.62mm
1.62 mm
STMicroelectronics TMMDB3TG DIAC 36 V 2 A 2-Pin MiniMELF
Also available in industry standard packaging
RS Stock No.687-0971BrandSTMicroelectronicsManufacturers Part No.TMMDB3TG

BD 2.486

BD 0.124 Each (In a Pack of 20) (Exc. Vat)

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STMicroelectronics
0.05mA
DIAC
36V
2A
0.01mA
Surface
MiniMELF
125°C
2
-40°C
3.4mm
TMMDB3
1.62mm
1.62 mm