.hide-partial { max-height: none; } .show-more { display: none; }

Littelfuse Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 33,089

Applied Filters:

Manufacturer = Littelfuse

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI AK3-430C-A Littelfuse 1: $97.60 4In Stock 56Expected 21/12/2026 New Product	Mfr. Part No. AK3-430C-A Mouser Part No 576-AK3-430C-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI Learn More about Littelfuse ak3 a tvs diodes	Datasheet	4In Stock 56Expected 21/12/2026	$97.60 $86.60 $85.72	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: $138.26 4In Stock 56Expected 08/02/2027 New Product	Mfr. Part No. AK8-450C-FB Mouser Part No 576-AK8-450C-FB New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL Learn More about Littelfuse ak8 fb tvs diodes	Datasheet	4In Stock 56Expected 08/02/2027	$138.26 $122.68	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS Littelfuse 5.0SMDJ18A-E 5.0SMDJ18A-E Littelfuse 1: $2.80 3,000In Stock New Product	Mfr. Part No. 5.0SMDJ18A-E Mouser Part No 576-5.0SMDJ18AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS	Datasheet	3,000In Stock	Cut Tape $2.80 $1.80 $1.46 $1.23 $1.00 Reel $0.85	Min.: 1 Mult.: 1 : 3,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: $522.42 3In Stock New Product	Mfr. Part No. ESR3XLUB0250XI Mouser Part No 576-ESR3XLUB0250XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	$522.42 $428.96 $390.36	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: $1.40 2,216In Stock 100Expected 17/11/2026 New Product	Mfr. Part No. SC712-02HTG Mouser Part No 576-SC712-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L Learn More about Littelfuse tvs spa diode arrays	Datasheet	2,216In Stock 100Expected 17/11/2026	Cut Tape $1.40 $0.88 $0.576 $0.445 Reel $0.359 View $0.378 $0.326 $0.315 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS TPSMD350CA-A Littelfuse 1: $2.97 1,618In Stock 3,000Expected 12/01/2027 New Product	Mfr. Part No. TPSMD350CA-A Mouser Part No 576-TPSMD350CA-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS Learn More about Littelfuse TPSMD TVS diodes	Datasheet	1,618In Stock 3,000Expected 12/01/2027	Cut Tape $2.97 $1.92 $1.56 $1.32 $1.04 Reel $0.882 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: $1.85 3,000In Stock New Product	Mfr. Part No. SC3000-01UTG Mouser Part No 576-SC3000-01UTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L Learn More about Littelfuse tvs spa diode arrays	Datasheet	3,000In Stock	Cut Tape $1.85 $1.16 $0.76 $0.587 Reel $0.473 View $0.498 $0.435 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.0 V, 0.17 pF, 15 kV, Bidirectional TVS SP4315-01WTG Littelfuse 1: $0.82 7,000In Stock 100Expected 21/12/2026 New Product	Mfr. Part No. SP4315-01WTG Mouser Part No 576-SP4315-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 1.0 V, 0.17 pF, 15 kV, Bidirectional TVS Learn More about Littelfuse sp4315 01wtg tvs diode arrays	Datasheet	7,000In Stock 100Expected 21/12/2026	Cut Tape $0.82 $0.511 $0.334 $0.252 View Reel $0.191 $0.229 $0.21 $0.205 $0.191 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: $579.74 3In Stock New Product	Mfr. Part No. ESR3XLDB0315XI Mouser Part No 576-ESR3XLDB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	$579.74 $476.03 $433.19	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: $596.39 3In Stock New Product	Mfr. Part No. ESR3XLUB0400XI Mouser Part No 576-ESR3XLUB0400XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	$596.39 $489.71 $445.76 Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: $608.50 3In Stock New Product	Mfr. Part No. ESR3XLUB0500XI Mouser Part No 576-ESR3XLUB0500XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	$608.50 $517.93 $464.29	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: $0.79 10,010In Stock New Product	Mfr. Part No. SC1003-01ETG Mouser Part No 576-SC1003-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 Learn More about Littelfuse tvs spa diode arrays	Datasheet	10,010In Stock	Cut Tape $0.79 $0.497 $0.317 $0.237 Reel $0.138 View $0.192 $0.165 $0.163 $0.13 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL AK10-550C-FL Littelfuse 1: $170.79 1In Stock 56On Order New Product	Mfr. Part No. AK10-550C-FL Mouser Part No 576-AK10-550C-FL New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL Learn More about Littelfuse ak fl tvs diodes	Datasheet	1In Stock 56On Order On Order Ship Dates Mfr. No: AK10-550C-FL Stock: 1 Can Dispatch Immediately On Order: 45 Expected 10/11/2026 11 Expected 09/12/2026 Factory Lead Time: 19 Weeks	$170.79 $151.54	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: $584.46 2In Stock 1Expected 30/11/2026 New Product	Mfr. Part No. ESR3XLUB0315XI Mouser Part No 576-ESR3XLUB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	2In Stock 1Expected 30/11/2026	$584.46 $479.91 $436.72	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS AQ48ETH-02HTG Littelfuse 1: $1.66 2,100In Stock 100Expected 21/12/2026 New Product	Mfr. Part No. AQ48ETH-02HTG Mouser Part No 576-AQ48ETH-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	2,100In Stock 100Expected 21/12/2026	Cut Tape $1.66 $1.04 $0.681 $0.526 Reel $0.424 View $0.446 $0.386 $0.372 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R Littelfuse SMBJ33A-E SMBJ33A-E Littelfuse 1: $0.57 2,372In Stock New Product	Mfr. Part No. SMBJ33A-E Mouser Part No 576-SMBJ33AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R	Datasheet	2,372In Stock	Cut Tape $0.57 $0.269 $0.227 $0.169 Reel $0.091 View $0.152 $0.089 $0.079 $0.076	Min.: 1 Mult.: 1 : 3,000
Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC 3298080.ZXM10 Littelfuse 1: $13.98 289In Stock New Product	Mfr. Part No. 3298080.ZXM10 Mouser Part No 576-3298080.ZXM10 New Product	Littelfuse	Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC	Datasheet	289In Stock	$13.98 $13.05 $10.31 $8.79 View $8.05 $7.77 $7.76 $7.68 Quote	Min.: 1 Mult.: 1
Automotive Fuses FUSE - ZCASE MEGA 32V M10 400A 480 PC 3298400.ZXM10 Littelfuse 1: $13.98 468In Stock New Product	Mfr. Part No. 3298400.ZXM10 Mouser Part No 576-3298400.ZXM10 New Product	Littelfuse	Automotive Fuses FUSE - ZCASE MEGA 32V M10 400A 480 PC	Datasheet	468In Stock	$13.98 $13.05 $10.31 $8.10 View $7.26 $6.71 $6.32 $6.15	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA270CA Littelfuse 1: $31.80 761In Stock	Mfr. Part No. 30KPA270CA Mouser Part No 576-30KPA270CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	761In Stock	Cut Tape $31.80 $25.17 $23.18 $21.99 Reel $21.55 Quote Quote	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS SMTO HI-POWER 36A 5mA 2uA SM8S36A Littelfuse 1: $4.15 1,182In Stock	Mfr. Part No. SM8S36A Mouser Part No 576-SM8S36A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SMTO HI-POWER 36A 5mA 2uA Learn More about Littelfuse sm8s tvs diodes	Datasheet	1,182In Stock	Cut Tape $4.15 $2.72 $2.28 $1.97 Reel $1.52 $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA260CA Littelfuse 1: $31.80 727In Stock	Mfr. Part No. 30KPA260CA Mouser Part No 576-30KPA260CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	727In Stock	Cut Tape $31.80 $25.17 $23.18 $21.99 $21.85 Reel $21.41	Min.: 1 Mult.: 1 : 800
Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263 QJ6016NH5RP Littelfuse 1: $5.95 683In Stock	Mfr. Part No. QJ6016NH5RP Mouser Part No 576-QJ6016NH5RP	Littelfuse	Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263 Learn More about Littelfuse qjxx16xhx alternistor triacs	Datasheet	683In Stock	Cut Tape $5.95 $3.93 $2.86 Reel $2.45 $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes ESD 24V BI PGB2010201KR-24NR Littelfuse 1: $1.16 15,000In Stock	Mfr. Part No. PGB2010201KR-24NR Mouser Part No 576-PGB2010201KR24NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 24V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15,000In Stock	Cut Tape $1.16 $0.536 $0.474 $0.367 View Reel $0.253 $0.362 $0.346 $0.34 $0.253 $0.253	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes ESD 20V BI PGB2010201KR-15NR Littelfuse 1: $1.23 15,000In Stock	Mfr. Part No. PGB2010201KR-15NR Mouser Part No 576-PGB2010201KR15NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 20V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15,000In Stock	Cut Tape $1.23 $0.567 $0.502 $0.388 View Reel $0.237 $0.372 $0.356 $0.35 $0.253 $0.237	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS SP4338-02WTG Littelfuse 1: $0.74 60,258In Stock	Mfr. Part No. SP4338-02WTG Mouser Part No 576-SP4338-02WTG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS Learn More about Littelfuse sp4338 02wtg tvs	Datasheet	60,258In Stock	Cut Tape $0.74 $0.334 $0.294 $0.223 Reel $0.122 View $0.203 $0.20 $0.12 MouseReel Available	Min.: 1 Mult.: 1 : 10,000