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 500A 25V P0300SCLRP Littelfuse 1: $2.52 4,311In Stock 10,000Expected 7/12/2026	Mfr. Part No. P0300SCLRP Mouser Part No 576-P0300SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 25V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	4,311In Stock 10,000Expected 7/12/2026	Cut Tape $2.52 $1.60 $1.07 $0.846 $0.774 Reel $0.685 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	40 V	800 mA	50 A	25 V	5 uA	50 mA	4 V	110 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 58V P0640SCLRP Littelfuse 1: $2.45 3,599In Stock 5,000Expected 25/1/2027	Mfr. Part No. P0640SCLRP Mouser Part No 576-P0640SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 58V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	3,599In Stock 5,000Expected 25/1/2027	Cut Tape $2.45 $1.58 $1.06 $0.846 $0.767 Reel $0.685 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	77 V	800 mA	50 A	58 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 HIGH SURGE 58V 1000A P0640SDLRP Littelfuse 1: $2.96 4,394In Stock	Mfr. Part No. P0640SDLRP Mouser Part No 576-P0640SDLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD HIGH SURGE 58V 1000A Learn More about Littelfuse p sdlrp thyristors	Datasheet	4,394In Stock	Cut Tape $2.96 $1.89 $1.27 $1.03 Reel $0.86 View $0.921 $0.826 $0.817 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	77 V	800 mA	50 A	58 V	5 uA	50 mA	4 V	100 pF to 160 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 65V P0720SCLRP Littelfuse 1: $2.28 5,117In Stock	Mfr. Part No. P0720SCLRP Mouser Part No 576-P0720SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 65V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	5,117In Stock	Cut Tape $2.28 $1.46 $0.972 $0.768 Reel $0.702 View $0.703 $0.694 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	88 V	800 mA	50 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 75V P0900SCLRP Littelfuse 1: $2.77 2,917In Stock	Mfr. Part No. P0900SCLRP Mouser Part No 576-P0900SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 75V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	2,917In Stock	Cut Tape $2.77 $1.74 $1.15 $0.908 Reel $0.717 View $0.808 $0.685 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	98 V	800 mA	50 A	75 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 90V P1100SCLRP Littelfuse 1: $2.52 20,065In Stock	Mfr. Part No. P1100SCLRP Mouser Part No 576-P1100SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 90V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	20,065In Stock	Cut Tape $2.52 $1.60 $1.07 $0.846 $0.774 Reel $0.685 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	130 V	800 mA	50 A	90 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 HIGH SURGE 170V 1000A P1800SDLRP Littelfuse 1: $2.86 4,270In Stock	Mfr. Part No. P1800SDLRP Mouser Part No 576-P1800SDLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD HIGH SURGE 170V 1000A Learn More about Littelfuse p sdlrp thyristors	Datasheet	4,270In Stock	Cut Tape $2.86 $1.82 $1.23 $0.978 $0.896 Reel $0.817 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	220 V	800 mA	50 A	170 V	5 uA	50 mA	4 V	50 pF to 90 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD SIDACtor Bi 180V 3000A DO214AB RoHS P2300S3NLRP Littelfuse 1: $8.98 2,298In Stock	Mfr. Part No. P2300S3NLRP Mouser Part No 576-P2300S3NLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD SIDACtor Bi 180V 3000A DO214AB RoHS Learn More about Littelfuse px0s3n	Datasheet	2,298In Stock	Cut Tape $8.98 $6.04 $4.37 $4.15 $3.98 Reel $3.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000				180 V			4 V	150 pF	- 65 C	+ 150 C	SMD/SMT	DO-214AB-2	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD SIDACtor Bi 180V 3000A DO214AB RoHS P2300S3NLRP-A Littelfuse 1: $8.08 1,658In Stock	Mfr. Part No. P2300S3NLRP-A Mouser Part No 576-P2300S3NLRP-A	Littelfuse	Thyristor Surge Protection Devices - TSPD SIDACtor Bi 180V 3000A DO214AB RoHS Learn More about Littelfuse px0s3n automotive thyristors	Datasheet	1,658In Stock	Cut Tape $8.08 $5.29 $3.90 $3.47 $3.35 Reel $3.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		800 mA		180 V	5 uA	50 mA	4 V	450 pF	- 65 C	+ 125 C	SMD/SMT	DO-214AB-2	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD SIDACtor Bi 275V 3000A DO214AB RoHS P3100S3NLRP Littelfuse 1: $8.96 1,390In Stock 3,000Expected 3/12/2026	Mfr. Part No. P3100S3NLRP Mouser Part No 576-P3100S3NLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD SIDACtor Bi 275V 3000A DO214AB RoHS Learn More about Littelfuse px0s3n	Datasheet	1,390In Stock 3,000Expected 3/12/2026	Cut Tape $8.96 $6.02 $4.35 $4.13 $3.98 Reel $3.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000				275 V			4 V	150 pF	- 65 C	+ 150 C	SMD/SMT	DO-214AB-2	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 50A 275V P3100SALRP Littelfuse 1: $2.24 13,772In Stock	Mfr. Part No. P3100SALRP Mouser Part No 576-P3100SALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 275V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	13,772In Stock	Cut Tape $2.24 $1.43 $0.945 $0.743 $0.661 Reel $0.592 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	350 V	800 mA	20 A	275 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 100A 275V P3100SBLRP Littelfuse 1: $2.38 11,032In Stock	Mfr. Part No. P3100SBLRP Mouser Part No 576-P3100SBLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100A 275V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	11,032In Stock	Cut Tape $2.38 $1.51 $1.01 $0.794 $0.726 Reel $0.634 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	350 V	800 mA	25 A	275 V	5 uA	150 mA	4 V	20 pF to 45 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 275V P3100SCLRP Littelfuse 1: $2.52 4,240In Stock 10,000Expected 16/2/2027	Mfr. Part No. P3100SCLRP Mouser Part No 576-P3100SCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 275V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	4,240In Stock 10,000Expected 16/2/2027	Cut Tape $2.52 $1.60 $0.978 $0.779 $0.774 Reel $0.685 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	350 V	800 mA	30 A	275 V	5 uA	150 mA	4 V	30 pF to 70 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD HIGH SURGE 275V 1000A P3100SDLRP Littelfuse 1: $2.86 2,526In Stock	Mfr. Part No. P3100SDLRP Mouser Part No 576-P3100SDLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD HIGH SURGE 275V 1000A Learn More about Littelfuse p sdlrp thyristors	Datasheet	2,526In Stock	Cut Tape $2.86 $1.84 $1.23 $0.981 $0.899 Reel $0.817 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	350 V	800 mA	50 A	275 V	5 uA	50 mA	4 V	45 pF to 70 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 30A 12V SOT23-5L SDP0120T023G5RP Littelfuse 1: $2.04 5,690In Stock	Mfr. Part No. SDP0120T023G5RP Mouser Part No 576-SDP0120T023G5RP	Littelfuse	Thyristor Surge Protection Devices - TSPD 30A 12V SOT23-5L Learn More about Littelfuse sdp t023g5rp thyristors	Datasheet	5,690In Stock	Cut Tape $2.04 $1.29 $0.857 $0.67 Reel $0.548 View $0.611 $0.522 MouseReel Available	Min.: 1 Mult.: 1 : 3,000						30 mA					SMD/SMT	SOT-23-5	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 19V 80A SOT23-6L Sidactor SDP0240T023G6RP Littelfuse 1: $2.26 3,732In Stock	Mfr. Part No. SDP0240T023G6RP Mouser Part No 576-SDP0240T023G6RP	Littelfuse	Thyristor Surge Protection Devices - TSPD 19V 80A SOT23-6L Sidactor Learn More about Littelfuse sdp t023g6rp thyristors	Datasheet	3,732In Stock	Cut Tape $2.26 $1.34 $0.908 $0.732 $0.662 Reel $0.598 MouseReel Available	Min.: 1 Mult.: 1 : 3,000						40 mA					SMD/SMT	SOT-23-6	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device SEP0080Q38CB Littelfuse 1: $5.51 2,386In Stock	Mfr. Part No. SEP0080Q38CB Mouser Part No 576-SEP0080Q38CB	Littelfuse	Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device Learn More about Littelfuse sep thyristors	Datasheet	2,386In Stock	Cut Tape $5.51 $2.79 $2.53 $2.07 $2.00 Reel $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 4,000						50 mA					SMD/SMT	QFN-2	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device SEP0640Q38CB Littelfuse 1: $5.48 5,775In Stock	Mfr. Part No. SEP0640Q38CB Mouser Part No 576-SEP0640Q38CB	Littelfuse	Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device Learn More about Littelfuse sep thyristors	Datasheet	5,775In Stock	Cut Tape $5.48 $2.79 $2.52 $2.07 View Reel $1.96 $2.05 $1.99 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 4,000						150 mA					SMD/SMT	QFN-2	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 100mA 500A Dual Negative B1101UCLRP Littelfuse 1: $7.72 698In Stock	Mfr. Part No. B1101UCLRP Mouser Part No 576-B1101UCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100mA 500A Dual Negative Learn More about Littelfuse b uc4l thyristors	Datasheet	698In Stock	Cut Tape $7.72 $4.04 $3.69 $3.28 $3.06 Reel $3.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,500						100 mA			- 40 C	+ 125 C	SMD/SMT	Modified-MS-013-6	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD Bi 22V 500A DO214 2L P0220SCMCLRP Littelfuse 1: $2.91 1,154In Stock 2,928On Order	Mfr. Part No. P0220SCMCLRP Mouser Part No 576-P0220SCMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD Bi 22V 500A DO214 2L Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	1,154In Stock 2,928On Order On Order Ship Dates Mfr. No: P0220SCMCLRP Stock: 1,154 Can Dispatch Immediately On Order: 428 Expected 30/10/2026 2,500 Expected 5/11/2026 Factory Lead Time: 18 Weeks	Cut Tape $2.91 $1.85 $1.25 $0.996 $0.907 Reel $0.792 MouseReel Available	Min.: 1 Mult.: 1 : 2,500						50 mA					SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 50A 25V P0300SALRP Littelfuse 1: $2.24 1,486In Stock 2,500Expected 16/2/2027	Mfr. Part No. P0300SALRP Mouser Part No 576-P0300SALRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 25V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	1,486In Stock 2,500Expected 16/2/2027	Cut Tape $2.24 $1.43 $0.889 $0.715 $0.65 Reel $0.592 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	40 V	800 mA	20 A	25 V	5 uA	50 mA	4 V	110 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 50A 25V P0300SAMCLRP Littelfuse 1: $2.42 1,047In Stock	Mfr. Part No. P0300SAMCLRP Mouser Part No 576-P0300SAMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 50A 25V Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	1,047In Stock	Cut Tape $2.42 $1.55 $1.06 $0.84 $0.756 Reel $0.642 MouseReel Available	Min.: 1 Mult.: 1 : 2,500						50 mA					SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 100A 25V P0300SBLRP Littelfuse 1: $2.52 2,832In Stock	Mfr. Part No. P0300SBLRP Mouser Part No 576-P0300SBLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 100A 25V Learn More about Littelfuse p 0s lrp thyristors	Datasheet	2,832In Stock	Cut Tape $2.52 $1.47 $0.996 $0.802 $0.758 Reel $0.635 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	40 V	800 mA	30 A	25 V	5 uA	50 mA	4 V	110 pF	- 40 C	+ 85 C	SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD 500A 25V 25-45pF P0300SCMCLRP Littelfuse 1: $2.79 1,694In Stock 2,500Expected 7/12/2026	Mfr. Part No. P0300SCMCLRP Mouser Part No 576-P0300SCMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 25V 25-45pF Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	1,694In Stock 2,500Expected 7/12/2026	Cut Tape $2.79 $1.78 $1.20 $0.953 $0.873 Reel $0.802 MouseReel Available	Min.: 1 Mult.: 1 : 2,500						50 mA					SMD/SMT	DO-214AA	Reel, Cut Tape, MouseReel
Thyristor Surge Protection Devices - TSPD Modified TO-220 SIDACtor P0602AAL Littelfuse 1: $5.54 920In Stock	Mfr. Part No. P0602AAL Mouser Part No 576-P0602AAL	Littelfuse	Thyristor Surge Protection Devices - TSPD Modified TO-220 SIDACtor Learn More about Littelfuse p 02a l thyristors	Datasheet	920In Stock	$5.54 $3.63 $2.57 $2.08 View $1.99 $1.97	Min.: 1 Mult.: 1	40 V, 80 V	800 mA	20 A	25 V, 50 V	5 uA	50 mA	4 V	10 pF to 20 pF, 15 pF to 145 pF	- 40 C	+ 85 C	Through Hole	TO-220-2	Bulk