DIACs, SIDACs

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Voltage - Breakover	Current - Breakover	Current - Hold (Ih) (Max)	Current - Peak Output	Operating Temperature	Package / Case	Supplier Device Package

DB3TG DIAC 30-34V 2A DO35 STMicroelectronics	48,952 In Stock	1 : $0.27000 Cut Tape (CT) 5,000 : $0.06535 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	30 ~ 34V	15 µA	-	2 A	-40°C ~ 125°C (TJ)	DO-204AH, DO-35, Axial	DO-35
DB3 DIAC 28-36V 2A DO35 STMicroelectronics	46,119 In Stock	1 : $0.27000 Cut Tape (CT) 5,000 : $0.06535 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	28 ~ 36V	50 µA	-	2 A	-40°C ~ 125°C (TJ)	DO-204AH, DO-35, Axial	DO-35
TMMDB3 DIAC 28-36V 2A MINIMELF STMicroelectronics	164,492 In Stock	1 : $0.63000 Cut Tape (CT) 2,500 : $0.14105 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	28 ~ 36V	50 µA	-	2 A	-40°C ~ 125°C (TJ)	DO-213AA	Mini MELF
DB4 DIAC 35-45V 2A DO35 STMicroelectronics	18,641 In Stock	1 : $0.91000 Cut Tape (CT) 5,000 : $0.20655 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	35 ~ 45V	50 µA	-	2 A	-40°C ~ 125°C (TJ)	DO-204AH, DO-35, Axial	DO-35
SMDB3 DIAC 28-36V 1A SOT23-3 STMicroelectronics	42,461 In Stock	1 : $1.14000 Cut Tape (CT) 3,000 : $0.27901 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	28 ~ 36V	10 µA	-	1 A	-40°C ~ 125°C (TJ)	TO-236-3, SC-59, SOT-23-3	SOT-23-3
TMMDB3TG DIAC 30-34V 2A MINIMELF STMicroelectronics	0 In Stock Check Lead Time	1 : $0.63000 Cut Tape (CT) 2,500 : $0.17631 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	30 ~ 34V	15 µA	-	2 A	-40°C ~ 125°C (TJ)	DO-213AA	Mini MELF
LIC01-215H IC LIGHT IGNITION CIRCUIT I-PAK STMicroelectronics	0 In Stock Check Lead Time	3,000 : $1.65619 Tube	ASD™	Tube	Active	215 ~ 255V	500 µA	50 mA	1.2 A	-20°C ~ 125°C (TJ)	TO-251-3 Short Leads, IPAK, TO-251AA	IPAK
LIC01-195H DIAC 195-230V 1.2A IPAK STMicroelectronics	0 In Stock	3,000 : $1.42968 Tube	ASD™	Tube	Obsolete	195 ~ 230V	500 µA	50 mA	1.2 A	-20°C ~ 125°C (TJ)	TO-251-3 Short Leads, IPAK, TO-251AA	IPAK
LIC01-215B-TR IC LIGHT IGNITION CIRCUIT I-PAK STMicroelectronics	0 In Stock	Active	-	Tape & Reel (TR)	Active	215 ~ 255V	500 µA	50 mA	1.2 A	-20°C ~ 125°C (TJ)	TO-252-3, DPAK (2 Leads + Tab), SC-63	DPAK

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DIACs, SIDACs

Products in the DIAC and SIDAC family are two-terminal devices most commonly used as triggering mechanisms in AC phase control applications. They act to oppose current flow until the voltage applied across them reaches some critical value, at which point current flow through them increases significantly. The two differ in the shape of their characteristic curves; DIACs (Diodes for Alternating Current) generally exhibit higher forward voltages in their conductive mode, and thus tend to be less suitable than SIDACs (Silicon Diode for Alternating Current) when substantial current flow is an application requirement.