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
DB3 DIAC DO-35 28V 36V Diotec Semiconductor	4,476 In Stock	Active	-	Cut Tape (CT) Tape & Box (TB)	Active	28 ~ 36V	200 µA	-	2 A	-50°C ~ 100°C (TJ)	DO-204AH, DO-35, Axial	DO-35
DB3TG DIAC 30-34V 2A DO35 STMicroelectronics	14,448 In Stock	1 : $1.79000 Cut Tape (CT) 5,000 : $0.33652 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	14,348 In Stock	1 : $1.79000 Cut Tape (CT) 5,000 : $0.33652 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
DB4 DIAC 35-45V 2A DO35 STMicroelectronics	8,699 In Stock	1 : $2.12000 Cut Tape (CT) 5,000 : $0.40203 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
TMMDB3 DIAC 28-36V 2A MINIMELF STMicroelectronics	161,665 In Stock	1 : $4.00000 Cut Tape (CT) 2,500 : $0.71739 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
SMDB3 DIAC 28-36V 1A SOT23-3 STMicroelectronics	41,195 In Stock	1 : $6.85000 Cut Tape (CT) 3,000 : $1.30136 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
K1050S1URP SIDAC 95-110V 1A UNI DO-214AC Littelfuse Inc.	3,414 In Stock	1 : $13.30000 Cut Tape (CT) 5,000 : $3.36378 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	95 ~ 110V	10 µA	80 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AC, SMA	DO-214AC (SMA)
K1100SRP SIDAC 104-118V 1A DO214 Littelfuse Inc.	4,312 In Stock	1 : $11.50000 Cut Tape (CT) 2,500 : $3.96741 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	104 ~ 118V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AA, SMB	DO-214
K1200G SIDAC 110-125V 1A DO15 Littelfuse Inc.	4,822 In Stock	1 : $13.95000 Bulk	-	Bulk	Active	110 ~ 125V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1050GURP SIDAC 95-110V 1A UNI DO-15 Littelfuse Inc.	4,048 In Stock	1 : $14.28000 Cut Tape (CT) 5,000 : $3.66426 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	95 ~ 110V	10 µA	80 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-204AC (DO-15)
K1500G SIDAC 140-170V 1A DO15 Littelfuse Inc.	639 In Stock	1 : $14.85000 Bulk	-	Bulk	Active	140 ~ 170V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1500SRP SIDAC 140-170V 1A DO214 Littelfuse Inc.	24,602 In Stock	1 : $15.26000 Cut Tape (CT) 2,500 : $4.25280 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	140 ~ 170V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AA, SMB	DO-214
K2000G SIDAC 190-215V 1A DO15 Littelfuse Inc.	531 In Stock	1 : $16.07000 Bulk	-	Bulk	Active	190 ~ 215V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K2000SRP SIDAC 190-215V 1A DO214 Littelfuse Inc.	2,022 In Stock	1 : $16.48000 Cut Tape (CT) 2,500 : $4.66532 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	190 ~ 215V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AA, SMB	DO-214
K2400G SIDAC 220-250V 1A DO15 Littelfuse Inc.	6,535 In Stock	1 : $16.97000 Bulk	-	Bulk	Active	220 ~ 250V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K3002GRP SIDAC 270-330V 1A DO15 Littelfuse Inc.	500 In Stock	1 : $25.78000 Cut Tape (CT) 5,000 : $7.90151 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	270 ~ 330V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K2500G SIDAC 240-280V 1A DO15 Littelfuse Inc.	8,619 In Stock	1 : $13.46000 Bulk	-	Bulk	Active	240 ~ 280V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1050E70 SIDAC 95-113V 1A TO92 Littelfuse Inc.	1,872 In Stock	1 : $13.54000 Bulk	-	Bulk	Active	95 ~ 113V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	TO-226-2, TO-92-2 (TO-226AC)	TO-92
K0900G SIDAC 79-97V 1A DO15 Littelfuse Inc.	892 In Stock	1 : $13.95000 Bulk	-	Bulk	Active	79 ~ 97V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1050G SIDAC 95-113V 1A DO15 Littelfuse Inc.	800 In Stock	1 : $13.95000 Bulk	-	Bulk	Active	95 ~ 113V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1300G SIDAC 120-138V 1A DO15 Littelfuse Inc.	466 In Stock	1 : $13.95000 Bulk	-	Bulk	Active	120 ~ 138V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1500E70 SIDAC 140-170V 1A TO92 Littelfuse Inc.	312 In Stock	1 : $13.95000 Bulk	-	Bulk	Active	140 ~ 170V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	TO-226-2, TO-92-2 (TO-226AC)	TO-92
K2200E70 SIDAC 205-230V 1A TO92 Littelfuse Inc.	2,688 In Stock	1 : $14.20000 Bulk	-	Bulk	Active	205 ~ 230V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	TO-226-2, TO-92-2 (TO-226AC)	TO-92
K2400E70 SIDAC 220-250V 1A TO92 Littelfuse Inc.	3,990 In Stock 2,000 Factory	1 : $16.07000 Bulk	-	Bulk	Active	220 ~ 250V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	TO-226-2, TO-92-2 (TO-226AC)	TO-92
K2200SRP SIDAC 205-230V 1A DO214 Littelfuse Inc.	2,500 In Stock	1 : $16.48000 Cut Tape (CT) 2,500 : $4.66532 Tape & Reel (TR) 2,500 : $3.18182 Tape & Reel (TR)	-	Tape & Reel (TR) Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	205 ~ 230V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AA, SMB	DO-214

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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.