Engine Cooling System Solutions

Littelfuse Engine Cooling System Solutions offer protection against threats to the ability of an engine to cool using the right fluids. Threats to these cooling systems include overheating, load dumps, surges, and ESDs. Littelfuse solutions to these threats include Schottky and TVS diodes, diode arrays, MLVS, SMD PPTCs, and MOVs.

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Qty. RoHS ECAD Model Series
Product
Mounting Style
Termination Style
Package/Case
Voltage Rating AC
Voltage Rating DC
Varistor Voltage
Clamping Voltage
Diameter
Peak Surge Current
Surge Energy Rating
Capacitance
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
Littelfuse Varistors 42V 14mm Phenolic AEC-Q200 AUMOV
Datasheet
7.220In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 42 VAC 50 VDC 68 V 135 V 23 mm 10 A 50 J 4000 pF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors 30V 14mm Phenolic AEC-Q200 AUMOV
Datasheet
5.621In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 30 VAC 34 VDC 47 V 93 V 17 mm 10 A 32 J 5550 pF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors 18 VDC 6J 40V-CL
Datasheet
1.391In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

AUML MLVs PCB Mount SMD/SMT 1812 (4532 metric) 18 VDC 32 V 40 V 5 A 6 J - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Varistors 14V 10mm Epoxy AEC-Q200 AUMOV
Datasheet
11.889In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 14 VAC 16 VDC 22 V 43 V 9 mm 5 A 5 J 4650 pF - 40 C + 85 C AEC-Q100 Bulk
Littelfuse Varistors 24V 2220 125C AUML AEC-Q200 Low Profile
Datasheet
637In Stock
Min.: 1
Mult.: 1
Reel: 1.000

AUML MLVs PCB Mount SMD/SMT 2220 (5650 metric) 24 VDC 39 V 60 V 10 A 25 J - 40 C + 125 C AEC-Q100 Reel, Cut Tape
Littelfuse Varistors 17V 10mm Phenolic AEC-Q200 AUMOV
Datasheet
141In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 17 VAC 20 VDC 27 V 53 V 9 mm 5 A 6.5 J 3900 pF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE
Datasheet
1.278In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 275 VAC 350 VDC 430 V 710 V 17 mm 6.5 kA 130 J 450 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE
Datasheet
531In Stock
Min.: 1
Mult.: 1
AUMOV MOVs PCB Mount Radial 510 VAC 670 VDC 820 V 1.355 kV 17 mm 6.5 kA 205 J 200 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
1.117In Stock
Min.: 1
Mult.: 1
AUMOV MOVs PCB Mount Radial 440 VAC 585 VDC 715 V 1.18 kV 23 mm 6.5 kA 340 J 500 pF - 40 C + 85 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
612In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 300 VAC 385 VDC 470 V 775 V 23 mm 10 kA 290 J 800 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE
Datasheet
4.127In Stock
Min.: 1
Mult.: 1
Reel: 1.500

AUMOV MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 135 V 7 mm 800 A 5 J 350 pF - 40 C + 85 C AEC-Q200 Reel, Cut Tape
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
480In Stock
Min.: 1
Mult.: 1
AUMOV MOVs PCB Mount Radial 385 VAC 505 VDC 620 V 1.025 kV 23 mm 10 kA 325 J 700 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE
Datasheet
1.155In Stock
Min.: 1
Mult.: 1
Reel: 600
AUMOV MOVs PCB Mount Radial 50 VAC 65 VDC 82 V 145 V 17 mm 6.5 kA 40 J 3000 pF - 40 C + 125 C AEC-Q200 Reel, Cut Tape
Littelfuse Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE
Datasheet
963In Stock
Min.: 1
Mult.: 1
AUMOV MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 17 mm 6.5 kA 210 J 180 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE
Datasheet
490In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 460 VAC 615 VDC 750 V 1.24 kV 17 mm 6.5 kA 190 J 220 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 20MM ROHS/LEAD FREE
Datasheet
615In Stock
Min.: 1
Mult.: 1
AUMOV MOVs PCB Mount Radial 550 VAC 745 VDC 910 V 1.5 kV 23 mm 10 kA 450 J 300 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors RADIAL VARISTOR 14MM ROHS/LEAD FREE
Datasheet
1.719In Stock
Min.: 1
Mult.: 1
AUMOV MOVs PCB Mount Radial 35 VAC 45 VDC 56 V 110 V 17 mm 6.5 kA 40 J 5000 pF - 40 C + 125 C AEC-Q200 Bulk
Littelfuse Varistors 17V 20mm Phenolic AEC-Q200 AUMOV
Datasheet
2.602In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 17 VAC 20 VDC 27 V 53 V 9 mm 20 A 35 J 0.01875 uF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors 17V 14mm Epoxy AEC-Q200 AUMOV
Datasheet
2.831In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 17 VAC 20 VDC 27 V 53 V 9 mm 10 A 13 J 8700 pF - 40 C + 85 C AEC-Q100 Bulk
Littelfuse Varistors 30V 7mm Epoxy AEC-Q200 AUMOV
Datasheet
6.337In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 30 VAC 34 VDC 47 V 93 V 17 mm 2.5 A 7 J 1350 pF - 40 C + 85 C AEC-Q100 Bulk
Littelfuse Varistors 17V 10mm Epoxy AEC-Q200 AUMOV
Datasheet
6.048In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 17 VAC 20 VDC 27 V 53 V 9 mm 5 A 6.5 J 3900 pF - 40 C + 85 C AEC-Q100 Bulk
Littelfuse Varistors 25V 10mm Phenolic AEC-Q200 AUMOV
Datasheet
5.468In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 25 VAC 28 VDC 39 V 77 V 12.5 mm 5 A 13 J 2900 pF - 40 C + 125 C AEC-Q100 Bulk
Littelfuse Varistors 18V 1206 125C AUML AEC-Q200 Low Profile
Datasheet
4.500In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

AUML MLVs PCB Mount SMD/SMT 1206 (3216 metric) 18 VDC 23 V 40 V 1.5 A 1.5 J - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Varistors 18V 2220 125C AUML AEC-Q200 Low Profile
Datasheet
1.691In Stock
1.000Expected 7/6/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000
AUML MLVs PCB Mount SMD/SMT 2220 (5650 metric) 18 VDC 23 V 40 V 10 A 25 J - 55 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Varistors 25V 20mm Phenolic AEC-Q200 AUMOV
Datasheet
5.031In Stock
Min.: 1
Mult.: 1

AUMOV MOVs PCB Mount Radial 25 VAC 28 VDC 39 V 77 V 12.5 mm 20 A 77 J 0.0135 uF - 40 C + 125 C AEC-Q100 Bulk