Circuit Protection – Mouser Finland

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High-Power Conversion

Littelfuse provides a wide portfolio of products for High-Power Conversion, including diodes, gate drivers, high-speed fuses, MOSFETs, and power modules. These products are broken down into four functions: rectifier, break chopper or PFC, inverter, and semiconductor protection.

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Types of Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A PSR070UL0200Z Littelfuse 1: 308,27 € 18In Stock	Mfr. Part No. PSR070UL0200Z Mouser Part No 576-PSR070UL0200Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 200A Learn More about Littelfuse psr fuses	Datasheet	18In Stock	308,27 € 271,59 € 262,97 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A PSR072DL0500X Littelfuse 1: 406,12 € 5In Stock	Mfr. Part No. PSR072DL0500X Mouser Part No 576-PSR072DL0500X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A Learn More about Littelfuse psr fuses	Datasheet	5In Stock	406,12 € 342,92 € 340,75 € Quote Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 1K OHM +/-10% SM102B1K Littelfuse 1: 1,38 € 691In Stock	Mfr. Part No. SM102B1K Mouser Part No 803-SM102B1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 1K OHM +/-10% Learn More about Littelfuse surface mount thermistors	Datasheet	691In Stock	1,38 € 1,32 € 1,10 € 1,08 € View 0,98 € 0,877 € 0,824 € 0,761 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2K OHM 10% MELF SM202F1K Littelfuse 1: 1,70 € 459In Stock	Mfr. Part No. SM202F1K Mouser Part No 576-SM202F1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2K OHM 10% MELF Learn More about Littelfuse surface mount thermistors	Datasheet	459In Stock	1,70 € 1,32 € 1,10 € 1,08 € View 0,98 € 0,852 € 0,815 € 0,772 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred PSR070FL0200Z Littelfuse 1: 351,47 € 1In Stock	Mfr. Part No. PSR070FL0200Z Mouser Part No 576-PSR070FL0200Z	Littelfuse	Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End Mtrc Thred Learn More about Littelfuse psr fuses	Datasheet	1In Stock	351,47 € 275,21 € 261,96 € Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A PSR032UL0400X Littelfuse 1: 320,14 € 2In Stock	Mfr. Part No. PSR032UL0400X Mouser Part No 576-PSR032UL0400X	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB Size 32 US LONG BL 400A Learn More about Littelfuse psr fuses	Datasheet	2In Stock	320,14 € 242,11 € 231,63 € 231,03 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional SMBJ350A Littelfuse 1: 0,679 € 5 239In Stock	Mfr. Part No. SMBJ350A Mouser Part No 576-SMBJ350A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	5 239In Stock	Cut Tape 0,679 € 0,323 € 0,285 € 0,217 € Reel 0,199 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Industrial & Electrical Fuses 900V FAST BLOW 800A PSR073UL0800X Littelfuse 1: 538,06 € 3In Stock 3Expected 31/03/2027	Mfr. Part No. PSR073UL0800X Mouser Part No 576-PSR073UL0800X	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 800A	Datasheet	3In Stock 3Expected 31/03/2027	538,06 € 441,81 € 402,05 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A PSR070DL0050Z Littelfuse 1: 332,47 € 19In Stock	Mfr. Part No. PSR070DL0050Z Mouser Part No 576-PSR070DL0050Z	Littelfuse	Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 DIN 110MM 50A Learn More about Littelfuse psr fuses	Datasheet	19In Stock	332,47 € 275,44 € 253,85 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 900V FAST BLOW 350A PSR070UL0350Z Littelfuse 1: 424,78 € 10In Stock	Mfr. Part No. PSR070UL0350Z Mouser Part No 576-PSR070UL0350Z	Littelfuse	Industrial & Electrical Fuses 900V FAST BLOW 350A	Datasheet	10In Stock	424,78 € 348,79 € 317,41 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 12V 5% Uni-Directional SMBJ12A Littelfuse 1: 0,421 € 45 730In Stock 78 000On Order	Mfr. Part No. SMBJ12A Mouser Part No 576-SMBJ12A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 12V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	45 730In Stock 78 000On Order On Order Ship Dates Mfr. No: SMBJ12A Stock: 45 730 Can Dispatch Immediately On Order: 33 000 Expected 25/11/2026 45 000 Expected 13/04/2027 Factory Lead Time: 35 Weeks	Cut Tape 0,421 € 0,187 € 0,164 € 0,123 € Reel 0,077 € View 0,111 € 0,068 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 12V 5% Bi-Directional SMBJ12CA Littelfuse 1: 0,318 € 23 026In Stock 99 000On Order	Mfr. Part No. SMBJ12CA Mouser Part No 576-SMBJ12CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 12V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	23 026In Stock 99 000On Order On Order Ship Dates Mfr. No: SMBJ12CA Stock: 23 026 Can Dispatch Immediately On Order: 42 000 Expected 08/12/2026 57 000 Expected 16/02/2027 Factory Lead Time: 35 Weeks	Cut Tape 0,318 € 0,17 € 0,143 € 0,114 € Reel 0,085 € View 0,107 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 15V 5% Uni-Directional SMBJ15A Littelfuse 1: 0,361 € 25 053In Stock 54 000On Order	Mfr. Part No. SMBJ15A Mouser Part No 576-SMBJ15A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 15V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	25 053In Stock 54 000On Order On Order Ship Dates Mfr. No: SMBJ15A Stock: 25 053 Can Dispatch Immediately On Order: 27 000 Expected 14/12/2026 27 000 Expected 30/06/2027 Factory Lead Time: 35 Weeks	Cut Tape 0,361 € 0,187 € 0,149 € 0,11 € Reel 0,073 € View 0,096 € 0,068 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional SMBJ18CA Littelfuse 1: 0,49 € 62 270In Stock 36 000Expected 22/04/2027	Mfr. Part No. SMBJ18CA Mouser Part No 576-SMBJ18CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	62 270In Stock 36 000Expected 22/04/2027	Cut Tape 0,49 € 0,221 € 0,194 € 0,132 € Reel 0,091 € View 0,12 € 0,09 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 200V 5% Bi-Directional SMBJ200CA Littelfuse 1: 0,499 € 19 615In Stock 42 000On Order	Mfr. Part No. SMBJ200CA Mouser Part No 576-SMBJ200CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 200V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	19 615In Stock 42 000On Order On Order Ship Dates Mfr. No: SMBJ200CA Stock: 19 615 Can Dispatch Immediately On Order: 15 000 Expected 22/06/2027 27 000 Expected 20/07/2027 Factory Lead Time: 35 Weeks	Cut Tape 0,499 € 0,224 € 0,196 € 0,147 € Reel 0,093 € View 0,138 € 0,092 € 0,087 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 20V 5% Bi-Directional SMBJ20CA Littelfuse 1: 0,525 € 19 561In Stock 33 000Expected 28/12/2026	Mfr. Part No. SMBJ20CA Mouser Part No 576-SMBJ20CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 20V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	19 561In Stock 33 000Expected 28/12/2026	Cut Tape 0,525 € 0,234 € 0,20 € 0,138 € Reel 0,09 € View 0,125 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 220V 5% Bi-Directional SMBJ220CA Littelfuse 1: 0,886 € 38 246In Stock	Mfr. Part No. SMBJ220CA Mouser Part No 576-SMBJ220CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 220V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	38 246In Stock	Cut Tape 0,886 € 0,407 € 0,359 € 0,277 € Reel 0,203 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 24V 5% Uni-Directional SMBJ24A Littelfuse 1: 0,43 € 135 212In Stock	Mfr. Part No. SMBJ24A Mouser Part No 576-SMBJ24A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 24V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	135 212In Stock	Cut Tape 0,43 € 0,193 € 0,169 € 0,126 € Reel 0,077 € View 0,12 € 0,075 € 0,068 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 24V 5% Bi-Directional SMBJ24CA Littelfuse 1: 0,49 € 17 465In Stock 90 000On Order	Mfr. Part No. SMBJ24CA Mouser Part No 576-SMBJ24CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 24V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	17 465In Stock 90 000On Order On Order Ship Dates Mfr. No: SMBJ24CA Stock: 17 465 Can Dispatch Immediately On Order: 48 000 Expected 22/02/2027 42 000 Expected 17/03/2027 Factory Lead Time: 35 Weeks	Cut Tape 0,49 € 0,221 € 0,194 € 0,145 € Reel 0,098 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 250V 5% Uni-Directional SMBJ250A Littelfuse 1: 0,757 € 10 780In Stock	Mfr. Part No. SMBJ250A Mouser Part No 576-SMBJ250A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 250V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	10 780In Stock	Cut Tape 0,757 € 0,344 € 0,304 € 0,232 € Reel 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 26V 5% Uni-Directional SMBJ26A Littelfuse 1: 0,43 € 88 747In Stock	Mfr. Part No. SMBJ26A Mouser Part No 576-SMBJ26A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 26V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	88 747In Stock	Cut Tape 0,43 € 0,193 € 0,169 € 0,126 € Reel 0,079 € View 0,118 € 0,068 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 30V 5% Bi-Directional SMBJ30CA Littelfuse 1: 0,473 € 43 167In Stock 51 000Expected 01/03/2027	Mfr. Part No. SMBJ30CA Mouser Part No 576-SMBJ30CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 30V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	43 167In Stock 51 000Expected 01/03/2027	Cut Tape 0,473 € 0,209 € 0,177 € 0,138 € 0,131 € Reel 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 36V 5% Uni-Directional SMBJ36A Littelfuse 1: 0,43 € 30 511In Stock 123 000On Order	Mfr. Part No. SMBJ36A Mouser Part No 576-SMBJ36A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 36V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	30 511In Stock 123 000On Order On Order Ship Dates Mfr. No: SMBJ36A Stock: 30 511 Can Dispatch Immediately On Order: 39 000 Expected 04/01/2027 84 000 Expected 24/02/2027 Factory Lead Time: 35 Weeks	Cut Tape 0,43 € 0,202 € 0,16 € 0,134 € Reel 0,083 € View 0,118 € 0,077 € 0,071 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional SMBJ40CA Littelfuse 1: 0,49 € 57 742In Stock	Mfr. Part No. SMBJ40CA Mouser Part No 576-SMBJ40CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	57 742In Stock	Cut Tape 0,49 € 0,221 € 0,194 € 0,145 € Reel 0,091 € View 0,133 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 600W 440V 5% Uni-Directional SMBJ440A Littelfuse 1: 0,869 € 9 014In Stock	Mfr. Part No. SMBJ440A Mouser Part No 576-SMBJ440A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 440V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	9 014In Stock	Cut Tape 0,869 € 0,401 € 0,354 € 0,273 € Reel 0,199 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000

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Types of Circuit Protection

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High-Power Conversion

Types of Circuit Protection