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/SIDAC 30-34V 2A DO-35 STMicroelectronics	28,664 In Stock	1 : $0.22000 Cut Tape (CT) 5,000 : $0.04125 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	30 ~ 34V	15 µA	-	2 A	-40°C ~ 125°C (TJ)	DO-204AH, DO-35, Axial	DO-35
DB3 DIAC/SIDAC 28-36V 2A DO-35 STMicroelectronics	14,820 In Stock	1 : $0.22000 Cut Tape (CT) 5,000 : $0.04125 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/SIDAC 35-45V 2A DO-35 STMicroelectronics	23,816 In Stock	1 : $0.26000 Cut Tape (CT) 5,000 : $0.04928 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/SIDAC 28-36V 2A MINI MELF STMicroelectronics	147,710 In Stock	1 : $0.49000 Cut Tape (CT) 2,500 : $0.09343 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/SIDAC 28-36V 1A SOT23-3 STMicroelectronics	12,243 In Stock	1 : $0.84000 Cut Tape (CT) 3,000 : $0.19939 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Last Time Buy	28 ~ 36V	10 µA	-	1 A	-40°C ~ 125°C (TJ)	TO-236-3, SC-59, SOT-23-3	SOT-23-3
K1050S1URP DIAC/SIDAC 95-110V 1A DO-214AC Littelfuse Inc.	2,044 In Stock	1 : $1.45000 Cut Tape (CT) 5,000 : $0.39062 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)
K0900G DIAC/SIDAC 79-97V 1A DO-15 Littelfuse Inc.	1,463 In Stock	1 : $1.53000 Bulk	-	Bulk	Active	79 ~ 97V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1500SRP DIAC/SIDAC 140-170V 1A DO-214 Littelfuse Inc.	26,975 In Stock	1 : $1.85000 Cut Tape (CT) 2,500 : $0.47162 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
K2400G DIAC/SIDAC 220-250V 1A DO-15 Littelfuse Inc.	4,655 In Stock	1 : $1.85000 Bulk	-	Bulk	Active	220 ~ 250V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K2000SRP DIAC/SIDAC 190-215V 1A DO-214 Littelfuse Inc.	1,044 In Stock	1 : $2.00000 Cut Tape (CT) 2,500 : $0.52550 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
K2500SRP DIAC/SIDAC 240-280V 1A DO-214 Littelfuse Inc.	11,797 In Stock	1 : $2.10000 Cut Tape (CT) 2,500 : $0.56250 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	240 ~ 280V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AA, SMB	DO-214
K0820S1URP DIAC/SIDAC 75-90V 1A DO-214AC Littelfuse Inc.	3,844 In Stock	1 : $1.45000 Cut Tape (CT) 5,000 : $0.39062 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	75 ~ 90V	10 µA	80 mA	1 A	-40°C ~ 125°C (TJ)	DO-214AC, SMA	DO-214AC
K1300E70 DIAC/SIDAC 120-138V 1A TO-92 Littelfuse Inc.	1,737 In Stock	1 : $1.48000 Bulk	-	Bulk	Active	120 ~ 138V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	TO-226-2, TO-92-2 (TO-226AC)	TO-92
K1200G DIAC/SIDAC 110-125V 1A DO-15 Littelfuse Inc.	3,171 In Stock	1 : $1.53000 Bulk	-	Bulk	Active	110 ~ 125V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1300G DIAC/SIDAC 120-138V 1A DO-15 Littelfuse Inc.	2,014 In Stock	1 : $1.53000 Bulk	-	Bulk	Active	120 ~ 138V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1050G DIAC/SIDAC 95-113V 1A DO-15 Littelfuse Inc.	418 In Stock	1 : $1.53000 Bulk	-	Bulk	Active	95 ~ 113V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1500GURP DIAC/SIDAC 142-157V 1A DO-15 Littelfuse Inc.	3,560 In Stock	1 : $1.56000 Cut Tape (CT) 5,000 : $0.43125 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT)	Active	142 ~ 157V	10 µA	80 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K1050GURP DIAC/SIDAC 95-110V 1A DO-204AC Littelfuse Inc.	3,248 In Stock	1 : $1.56000 Cut Tape (CT) 5,000 : $0.43125 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)
K1100SRP DIAC/SIDAC 104-118V 1A DO-214 Littelfuse Inc.	4,265 In Stock	1 : $1.57000 Cut Tape (CT) 2,500 : $0.43475 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
K1500G DIAC/SIDAC 140-170V 1A DO-15 Littelfuse Inc.	1,177 In Stock	1 : $1.62000 Bulk	-	Bulk	Active	140 ~ 170V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K2500S1URP DIAC/SIDAC 240-260V 1A DO-214AC Littelfuse Inc.	4,831 In Stock	1 : $1.75000 Cut Tape (CT) 5,000 : $0.50525 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	240 ~ 260V	10 µA	80 mA	1 A	-40°C ~ 150°C (TJ)	DO-214AC, SMA	DO-214AC (SMA)
K2500E70 DIAC/SIDAC 240-280V 1A TO-92 Littelfuse Inc.	1,993 In Stock	1 : $1.75000 Bulk	-	Bulk	Active	240 ~ 280V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	TO-226-2, TO-92-2 (TO-226AC)	TO-92
K2000G DIAC/SIDAC 190-215V 1A DO-15 Littelfuse Inc.	408 In Stock	1 : $1.75000 Bulk	-	Bulk	Active	190 ~ 215V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K2500G DIAC/SIDAC 240-280V 1A DO-15 Littelfuse Inc.	7,573 In Stock	1 : $1.85000 Bulk	-	Bulk	Active	240 ~ 280V	10 µA	150 mA	1 A	-40°C ~ 125°C (TJ)	DO-204AC, DO-15, Axial	DO-15
K2200SRP DIAC/SIDAC 205-230V 1A DO-214 Littelfuse Inc.	3,590 In Stock 2,500 Alternate Stock	1 : $2.00000 Cut Tape (CT) 2,500 : $0.52550 Tape & Reel (TR) 2,500 : $0.39000 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.