Thyristor Surge Protection Devices - TSPD

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SIDACtor® Protection Thyristors

Littelfuse SIDACtor® Protection Thyristors are thyristor devices used to protect sensitive circuits from electrical disturbances caused by lightning-induced surges, inductive-coupled spikes, and AC power fault conditions. The unique structure and characteristics of the thyristor are used to create an overvoltage protection device with precise and repeatable turn-on characteristics with low voltage overshoot and high surge current capabilities. SIDACtor components are solid state crowbar devices with a patented ion implant technology that ensures effective protection within nanoseconds. Littelfuse SIDACtor Protection Thyristors include a wide range of semiconductor protection thyristor over-voltage transient suppression devices designed to serve requirements of telecom and data networking equipment applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Breakover Voltage VBO	Breakover Current IBO Max	Non Repetitive On-State Current	Rated Repetitive Off-State Voltage VDRM	Off-State Leakage Current @ VDRM IDRM	Holding Current Ih Max	On-State Voltage	Off-State Capacitance CO	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Packaging
Thyristor Surge Protection Devices - TSPD 380V 500A 2L BI SIDACtor DO214 P4202SCLRP Littelfuse 1: $2.94 895In Stock	Mfr. Part No. P4202SCLRP Mouser Part No 576-P4202SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 380V 500A 2L BI SIDACtor DO214 Learn More about Littelfuse twinchip do 214 thyristors	Datasheet	895In Stock	Cut Tape $2.94 $1.88 $1.27 $1.01 $0.925 Reel $0.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	500 V	2.2 A	800 mA	380 V	5 uA	120 mA	8 V	15 pF	- 40 C	+ 150 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 400V 500A SIDACtor DO-214AA P4500SCLRP Littelfuse 1: $2.67 1,457In Stock	Mfr. Part No. P4500SCLRP Mouser Part No 576-P4500SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 400V 500A SIDACtor DO-214AA Learn More about Littelfuse p 0s lrp thyristors	Datasheet	1,457In Stock	Cut Tape $2.67 $1.70 $1.14 $0.896 $0.808 Reel $0.694 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	530 V	800 mA		400 V	5 uA	150 mA	4 V	65 pF	- 65 C	+ 150 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 50A 90V P1100EAL Littelfuse 1: $2.62 144In Stock	Mfr. Part No. P1100EAL Mouser Part No 576-P1100EAL	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 90V Learn More about Littelfuse p 0eal thyristors	Datasheet	144In Stock	$2.62 $1.66 $1.09 $0.861 View $0.764 $0.698 $0.67	Min.: 1 Mult.: 1	130 V	800 mA	20 A	90 V	5 uA	150 mA	4 V	30 pF to 50 pF	- 40 C	+ 85 C	Through Hole	TO-92	Bulk
Thyristor Surge Protection Devices - TSPD 190V 100A DO214 2L P2100SBLRP Littelfuse 1: $2.19 380In Stock	Mfr. Part No. P2100SBLRP Mouser Part No 576-P2100SBLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 190V 100A DO214 2L Learn More about Littelfuse p 0s lrp thyristors	Datasheet	380In Stock	Cut Tape $2.19 $1.40 $0.933 $0.737 $0.675 Reel $0.643 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	240 V	800 mA	25 A	180 V	5 uA	150 mA	4 V	20 pF to 35 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 3Chp 300V 100A P3403ABL Littelfuse 1: $8.04 97In Stock	Mfr. Part No. P3403ABL Mouser Part No 576-P3403ABL	Littelfuse	Thyristor Surge Protection Devices - TSPD 3Chp 300V 100A Learn More about Littelfuse p 3a l thyristors	Datasheet	97In Stock	$8.04 $5.28 $3.81 $3.28 $3.22	Min.: 1 Mult.: 1	400 V	800 mA	30 A	300 V	5 uA	150 mA	8 V	10 pF to 45 pF, 15 pF to 65 pF	- 40 C	+ 85 C	Through Hole	TO-220-2	Bulk
Thyristor Surge Protection Devices - TSPD 50A 65V P0720SALRP Littelfuse 1: $2.37 4,990Expected 5/11/2026	Mfr. Part No. P0720SALRP Mouser Part No 576-P0720SALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 65V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	4,990Expected 5/11/2026	Cut Tape $2.37 $1.50 $0.989 $0.775 $0.702 Reel $0.592 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	88 V	800 mA	20 A	65 V	5 uA	150 mA	4 V	50 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 65V P0720SCMCLRP Littelfuse 1: $2.53 2In Stock	Mfr. Part No. P0720SCMCLRP Mouser Part No 576-P0720SCMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 65V Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	2In Stock	Cut Tape $2.53 $1.62 $1.09 $0.866 $0.793 Reel $0.792 MouseReel Available	Min.: 1 Mult.: 1 : 2,500						150 mA					SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD Power Inserters 5 kA SIDACtor P1500MEL Littelfuse 1: $14.05 250Expected 15/3/2027	Mfr. Part No. P1500MEL Mouser Part No 576-P1500MEL	Littelfuse	Thyristor Surge Protection Devices - TSPD Power Inserters 5 kA SIDACtor Learn More about Littelfuse p 0me thyristors	Datasheet	250Expected 15/3/2027	$14.05 $9.75 $9.00	Min.: 1 Mult.: 1	180 V	800 mA	400 A	140 V	5 uA	50 mA	4 V	400 pF to 650 pF	- 40 C	+ 85 C	Through Hole	SMTO-218	Tube
Thyristor Surge Protection Devices - TSPD 500A 140V P1500SCLRP Littelfuse 1: $2.48 3,527Expected 26/1/2027	Mfr. Part No. P1500SCLRP Mouser Part No 576-P1500SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 140V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	3,527Expected 26/1/2027	Cut Tape $2.48 $1.59 $1.07 $0.846 $0.774 Reel $0.694 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	180 V	800 mA	50 A	140 V	5 uA	150 mA	4 V	40 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 350V 5000A TO218 P3800MEL Littelfuse 1: $14.05 Lead-Time 17 Weeks	Mfr. Part No. P3800MEL Mouser Part No 576-P3800MEL	Littelfuse	Thyristor Surge Protection Devices - TSPD 350V 5000A TO218 Learn More about Littelfuse p 0me thyristors	Datasheet	Lead-Time 17 Weeks	$14.05 $9.75 $8.70	Min.: 1 Mult.: 1	430 V	800 mA	400 A	350 V	5 uA	50 mA	4 V	300 pF to 500 pF	- 40 C	+ 85 C	Through Hole	SMTO-218	Tube
Thyristor Surge Protection Devices - TSPD 550V 50A DO214 2L SIDACtor Bi P6002SALRP Littelfuse 1: $2.61 7,517On Order	Mfr. Part No. P6002SALRP Mouser Part No 576-P6002SALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 550V 50A DO214 2L SIDACtor Bi Learn More about Littelfuse twinchip do 214 thyristors	Datasheet	7,517On Order On Order Ship Dates Mfr. No: P6002SALRP Stock: 0 On Order: 2,517 Expected 7/1/2027 5,000 Expected 3/2/2027 Factory Lead Time: 18 Weeks	Cut Tape $2.61 $1.62 $1.10 $0.884 $0.809 Reel $0.733 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	700 V	800 mA	20 A	550 V	5 uA	120 mA	8 V	10 pF to 25 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 24V 30A DSLP0240T023G6RP Littelfuse 1: $2.05 2,983Expected 5/11/2026	Mfr. Part No. DSLP0240T023G6RP Mouser Part No 576-DSLP0240T023G6RP	Littelfuse	Thyristor Surge Protection Devices - TSPD 24V 30A Learn More about Littelfuse dslp t023g6rp thyristors	Datasheet	2,983Expected 5/11/2026	Cut Tape $2.05 $0.971 $0.866 $0.68 Reel $0.619 View $0.611 $0.598 MouseReel Available	Min.: 1 Mult.: 1 : 3,000				24 V	300 pA	40 mA		2.5 pF	- 55 C	+ 150 C	SMD/SMT	SOT-23-6	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 58V P0640SCMCLRP Littelfuse 1: $2.79 2,452Expected 24/12/2026	Mfr. Part No. P0640SCMCLRP Mouser Part No 576-P0640SCMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 58V Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	2,452Expected 24/12/2026	Cut Tape $2.79 $1.78 $1.20 $0.953 $0.873 Reel $0.802 MouseReel Available	Min.: 1 Mult.: 1 : 2,500						150 mA					SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 440V Opt 440/600 RTG C P4802SCLRP Littelfuse 1: $2.94 1,671Expected 5/11/2026	Mfr. Part No. P4802SCLRP Mouser Part No 576-P4802SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 440V Opt 440/600 RTG C Learn More about Littelfuse twinchip do 214 thyristors	Datasheet	1,671Expected 5/11/2026	Cut Tape $2.94 $1.78 $1.21 $1.01 $0.922 Reel $0.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,500						120 mA					SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 54V 78V DO214 3L A0609CA2LRP Littelfuse 10,000: $1.12 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. A0609CA2LRP Mouser Part No 576-A0609CA2LRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 54V 78V DO214 3L Learn More about Littelfuse SIDACtor A0609CA2LRP thyristor	Datasheet	Non-Stocked Lead-Time 13 Weeks	Cut Tape $1.12	Min.: 10,000 Mult.: 2,500 : 2,500			800 mA	78 V	5 uA	120 mA	4 V	32 pF	- 40 C	+ 150 C	SMD/SMT	DO-214AA	Reel
Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 50A A2106UA6LRP Littelfuse 10,500: $5.06 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. A2106UA6LRP Mouser Part No 576-A2106UA6LRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 50A Learn More about Littelfuse au6l p6ual thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape $5.06	Min.: 10,500 Mult.: 1,500 : 1,500	80 V, 250 V	800 mA	20 A	50 V, 170 V	5 uA	120 mA	8 V	80 pF	- 40 C	+ 85 C	SMD/SMT	Modified-MS-013-6	Reel
Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 50A A2106UA6LTP Littelfuse 10,500: $5.06 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. A2106UA6LTP Mouser Part No 576-A2106UA6LTP	Littelfuse	Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 50A Learn More about Littelfuse au6l p6ual thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	$5.06	Min.: 10,500 Mult.: 500	80 V, 250 V	800 mA	20 A	50 V, 170 V	5 uA	120 mA	8 V	80 pF	- 40 C	+ 85 C	SMD/SMT	Modified-MS-013-6	Tube
Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 500A A2106UC6LRP Littelfuse 10,500: $8.15 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. A2106UC6LRP Mouser Part No 576-A2106UC6LRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 500A Learn More about Littelfuse au6l p6ual thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape $8.15	Min.: 10,500 Mult.: 1,500 : 1,500	80 V, 250 V	800 mA	50 A	50 V, 170 V	5 uA	120 mA	8 V	80 pF	- 40 C	+ 85 C	SMD/SMT	Modified-MS-013-6	Reel
Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 500A A2106UC6LTP Littelfuse 10,500: $8.16 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. A2106UC6LTP Mouser Part No 576-A2106UC6LTP	Littelfuse	Thyristor Surge Protection Devices - TSPD 6Chp 50/170V 500A Learn More about Littelfuse au6l p6ual thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	$8.16	Min.: 10,500 Mult.: 500	80 V, 250 V	800 mA	50 A	50 V, 170 V	5 uA	120 mA	8 V	80 pF	- 40 C	+ 85 C	SMD/SMT	Modified-MS-013-6	Tube
Thyristor Surge Protection Devices - TSPD 6Chp 270/400V 500A A5030UC6LRP Littelfuse 10,500: $8.13 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. A5030UC6LRP Mouser Part No 576-A5030UC6LRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 6Chp 270/400V 500A Learn More about Littelfuse au6l p6ual thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape $8.13	Min.: 10,500 Mult.: 1,500 : 1,500	340 V, 550 V	800 mA	50 A	270 V, 400 V	5 uA	150 mA	8 V	60 pF	- 40 C	+ 85 C	SMD/SMT	Modified-MS-013-6	Reel
Thyristor Surge Protection Devices - TSPD 6Chp 270/400V 500A A5030UC6LTP Littelfuse 10,500: $8.15 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. A5030UC6LTP Mouser Part No 576-A5030UC6LTP	Littelfuse	Thyristor Surge Protection Devices - TSPD 6Chp 270/400V 500A Learn More about Littelfuse au6l p6ual thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	$8.15	Min.: 10,500 Mult.: 500	340 V, 550 V	800 mA	50 A	270 V, 400 V	5 uA	150 mA	8 V	60 pF	- 40 C	+ 85 C	SMD/SMT	Modified-MS-013-6	Tube
Thyristor Surge Protection Devices - TSPD 100mA 50A Single Negative B1100CALRP Littelfuse 10,000: $1.04 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. B1100CALRP Mouser Part No 576-B1100CALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100mA 50A Single Negative Learn More about Littelfuse b 0c lrp thyristors	Datasheet	Non-Stocked Lead-Time 14 Weeks	Cut Tape $1.04	Min.: 10,000 Mult.: 2,500 : 2,500						100 mA			- 40 C	+ 150 C		DO-214AA	Reel
Thyristor Surge Protection Devices - TSPD 100mA 500A Single Negative B1100CCLRP Littelfuse 15,000: $1.35 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. B1100CCLRP Mouser Part No 576-B1100CCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100mA 500A Single Negative Learn More about Littelfuse b 0c lrp thyristors	Datasheet	Non-Stocked Lead-Time 14 Weeks	Cut Tape $1.35	Min.: 15,000 Mult.: 2,500 : 2,500						100 mA			- 40 C	+ 150 C		DO-214AA	Reel
Thyristor Surge Protection Devices - TSPD 100mA 50A Dual Negative B1101UALRP Littelfuse 10,500: $2.11 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. B1101UALRP Mouser Part No 576-B1101UALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100mA 50A Dual Negative Learn More about Littelfuse b uc4l thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape $2.11	Min.: 10,500 Mult.: 1,500 : 1,500						100 mA			- 40 C	+ 125 C	SMD/SMT	Modified-MS-013-6	Reel
Thyristor Surge Protection Devices - TSPD 100mA 50A Dual Negative B1101UALTP Littelfuse 10,500: $2.24 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. B1101UALTP Mouser Part No 576-B1101UALTP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100mA 50A Dual Negative Learn More about Littelfuse b uc4l thyristors	Datasheet	Non-Stocked Lead-Time 17 Weeks	$2.24	Min.: 10,500 Mult.: 500						100 mA			- 40 C	+ 125 C	SMD/SMT	Modified-MS-013-6	Tube