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ITV Battery Protectors

Littelfuse ITV Battery Protectors are three-terminal, surface-mountable Li-ion battery protectors designed to protect against overcurrent and overcharging. These ITVs utilize a fuse element for stable operation under normal electrical current and to cut off the current when overcurrent occurs. A heater is directly embedded under the chemical fuse element and will generate heat to blow the fuse when overvoltage is detected by an IC or field-effect transistor (FET). These chip-style devices have an operating supply current of 12A, 15A, 30A, 40A, and 60A and an operating supply voltage range from 4V to 62V. Applications for Littelfuse ITV Battery Protectors include E-bikes, power tools, automotive, energy storage systems, and drones.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Battery Management ITV 5.4*3.2MM 50V 30A ITV5432L5030WR Littelfuse 1: $4.60 A tariff of 8% may be applied if shipping to the United States. 7,520In Stock	Mfr. Part # ITV5432L5030WR Mouser Part # 650-ITV5432L5030WR	Littelfuse	Battery Management ITV 5.4*3.2MM 50V 30A Learn More about Littelfuse itv polyswitch	Datasheet	7,520In Stock	Cut Tape $4.60 $3.47 $3.19 $2.88 View Reel $2.28 $2.73 $2.71 $2.55 $2.28 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Battery Management ITV 5.4*3.2MM 12V 30A ITV5432L1230WR Littelfuse 1: $4.60 A tariff of 8% may be applied if shipping to the United States. 2,153In Stock	Mfr. Part # ITV5432L1230WR Mouser Part # 650-ITV5432L1230WR	Littelfuse	Battery Management ITV 5.4*3.2MM 12V 30A Learn More about Littelfuse itv polyswitch	Datasheet	2,153In Stock	Cut Tape $4.60 $3.47 $3.19 $2.88 View Reel $2.21 $2.73 $2.71 $2.55 $2.21 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Battery Management ITV 5.4*3.2MM 14V 30A ITV5432L1430WR Littelfuse 1: $4.60 A tariff of 8% may be applied if shipping to the United States. 3,085In Stock	Mfr. Part # ITV5432L1430WR Mouser Part # 650-ITV5432L1430WR	Littelfuse	Battery Management ITV 5.4*3.2MM 14V 30A Learn More about Littelfuse itv polyswitch	Datasheet	3,085In Stock	Cut Tape $4.60 $3.47 $3.19 $2.88 View Reel $2.34 $2.73 $2.71 $2.55 $2.34 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses ITV 4.0*3.0MM 14V 15A ITV4030L1415NR Littelfuse 1: $4.70 A tariff of 8% may be applied if shipping to the United States. 4,865In Stock	Mfr. Part # ITV4030L1415NR Mouser Part # 650-ITV4030L1415NR	Littelfuse	Surface Mount Fuses ITV 4.0*3.0MM 14V 15A Learn More about Littelfuse itv polyswitch	Datasheet	4,865In Stock	Cut Tape $4.70 $4.34 $3.51 $3.15 View Reel $2.06 $2.84 $2.61 $2.40 $2.32 $2.06 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000
Battery Management ITV 9.5*5.0mm 50V 60A ITV9550L5060MR Littelfuse 1: $14.81 A tariff of 8% may be applied if shipping to the United States. 1,024In Stock	Mfr. Part # ITV9550L5060MR Mouser Part # 576-ITV9550L5060MR	Littelfuse	Battery Management ITV 9.5*5.0mm 50V 60A Learn More about Littelfuse itv9550 fuses	Datasheet	1,024In Stock	Cut Tape $14.81 $11.60 $10.79 $9.91 View Reel $8.52 $9.82 $9.24 $8.52 Quote MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses ITV 4.0*3.0MM 8V 12A ITV4030L0812NR Littelfuse 1: $4.00 A tariff of 8% may be applied if shipping to the United States. 3,690In Stock	Mfr. Part # ITV4030L0812NR Mouser Part # 650-ITV4030L0812NR	Littelfuse	Surface Mount Fuses ITV 4.0*3.0MM 8V 12A Learn More about Littelfuse itv polyswitch	Datasheet	3,690In Stock	Cut Tape $4.00 $3.59 $3.02 $2.81 View Reel $2.06 $2.61 $2.46 $2.36 $2.33 $2.06 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000
Battery Management ITV 9.5*5.0MM 50V 30A ITV9550L5030MR Littelfuse 1: $7.77 A tariff of 8% may be applied if shipping to the United States. 1,386In Stock	Mfr. Part # ITV9550L5030MR Mouser Part # 650-ITV9550L5030MR	Littelfuse	Battery Management ITV 9.5*5.0MM 50V 30A Learn More about Littelfuse itv polyswitch	Datasheet	1,386In Stock	Cut Tape $7.77 $5.99 $5.55 $5.06 Reel $4.14 View $4.69 $4.68 $4.00 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses ITV 4.0*3.0MM 14V 12A ITV4030L1412NR Littelfuse 1: $3.96 A tariff of 8% may be applied if shipping to the United States. 4,674In Stock	Mfr. Part # ITV4030L1412NR Mouser Part # 650-ITV4030L1412NR	Littelfuse	Surface Mount Fuses ITV 4.0*3.0MM 14V 12A Learn More about Littelfuse itv polyswitch	Datasheet	4,674In Stock	Cut Tape $3.96 $3.52 $3.34 $2.84 View Reel $2.02 $2.59 $2.43 $2.23 $2.20 $2.02 $2.02 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000
Battery Management ITV 9.5*5.0mm 12V 45A ITV9550L1245FMR Littelfuse 1: $9.23 700In Stock New Product	Mfr. Part # ITV9550L1245FMR Mouser Part # 650-ITV9550L1245FMR New Product	Littelfuse	Battery Management ITV 9.5*5.0mm 12V 45A Learn More about Littelfuse itv battery protectors	Datasheet	700In Stock	Cut Tape $9.23 $7.15 $6.63 $6.06 $5.97 Reel $5.07	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 14V 45A ITV9550L1445FMR Littelfuse 1: $9.23 700In Stock New Product	Mfr. Part # ITV9550L1445FMR Mouser Part # 650-ITV9550L1445FMR New Product	Littelfuse	Battery Management ITV 9.5*5.0mm 14V 45A Learn More about Littelfuse itv battery protectors	Datasheet	700In Stock	Cut Tape $9.23 $7.15 $6.63 $6.06 $5.97 Reel $5.07	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 20V 45A ITV9550L2045FMR Littelfuse 1: $9.23 700In Stock New Product	Mfr. Part # ITV9550L2045FMR Mouser Part # 650-ITV9550L2045FMR New Product	Littelfuse	Battery Management ITV 9.5*5.0mm 20V 45A Learn More about Littelfuse itv battery protectors	Datasheet	700In Stock	Cut Tape $9.23 $7.15 $6.63 $6.06 $5.97 Reel $5.07	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 30V 45A ITV9550L3045FMR Littelfuse 1: $9.23 700In Stock New Product	Mfr. Part # ITV9550L3045FMR Mouser Part # 650-ITV9550L3045FMR New Product	Littelfuse	Battery Management ITV 9.5*5.0mm 30V 45A Learn More about Littelfuse itv battery protectors	Datasheet	700In Stock	Cut Tape $9.23 $7.15 $6.63 $6.06 $5.97 Reel $5.07	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 40V 45A ITV9550L4045FMR Littelfuse 1: $9.23 700In Stock New Product	Mfr. Part # ITV9550L4045FMR Mouser Part # 650-ITV9550L4045FMR New Product	Littelfuse	Battery Management ITV 9.5*5.0mm 40V 45A Learn More about Littelfuse itv battery protectors	Datasheet	700In Stock	Cut Tape $9.23 $7.15 $6.63 $6.06 $5.97 Reel $5.07	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 50V 45A ITV9550L5045FMR Littelfuse 1: $9.23 700In Stock New Product	Mfr. Part # ITV9550L5045FMR Mouser Part # 650-ITV9550L5045FMR New Product	Littelfuse	Battery Management ITV 9.5*5.0mm 50V 45A Learn More about Littelfuse itv battery protectors	Datasheet	700In Stock	Cut Tape $9.23 $7.15 $6.63 $6.06 $5.97 Reel $5.07	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 18V 30A ITV9550L1830MR Littelfuse 1: $8.26 A tariff of 8% may be applied if shipping to the United States. 34In Stock	Mfr. Part # ITV9550L1830MR Mouser Part # 576-ITV9550L1830MR	Littelfuse	Battery Management ITV 9.5*5.0mm 18V 30A Learn More about Littelfuse itv battery protectors	Datasheet	34In Stock	Cut Tape $8.26 $7.63 $6.32 $5.83 View Reel $4.82 $5.24 $4.82 $4.82 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0MM 40V 45A ITV9550L4045MR Littelfuse 1: $7.77 A tariff of 8% may be applied if shipping to the United States. 789In Stock	Mfr. Part # ITV9550L4045MR Mouser Part # 650-ITV9550L4045MR	Littelfuse	Battery Management ITV 9.5*5.0MM 40V 45A Learn More about Littelfuse itv polyswitch	Datasheet	789In Stock	Cut Tape $7.77 $5.99 $5.55 $5.06 View Reel $4.00 $4.69 $4.68 $4.00 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0MM 14V 30A ITV9550L1430MR Littelfuse 1: $7.77 A tariff of 8% may be applied if shipping to the United States. 588In Stock	Mfr. Part # ITV9550L1430MR Mouser Part # 650-ITV9550L1430MR	Littelfuse	Battery Management ITV 9.5*5.0MM 14V 30A Learn More about Littelfuse itv polyswitch	Datasheet	588In Stock	Cut Tape $7.77 $5.99 $5.55 $5.06 Reel $4.67 View $4.69 $4.68 $4.31 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 5.4*3.2MM 40V 30A ITV5432L4030WR Littelfuse 1: $4.60 A tariff of 8% may be applied if shipping to the United States. 2,561In Stock	Mfr. Part # ITV5432L4030WR Mouser Part # 650-ITV5432L4030WR	Littelfuse	Battery Management ITV 5.4*3.2MM 40V 30A Learn More about Littelfuse itv polyswitch	Datasheet	2,561In Stock	Cut Tape $4.60 $3.47 $3.19 $2.88 View Reel $2.54 $2.73 $2.71 $2.55 $2.54 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Battery Management ITV 9.5*5.0MM 12V 45A ITV9550L1245MR Littelfuse 1: $7.77 A tariff of 8% may be applied if shipping to the United States. 739In Stock	Mfr. Part # ITV9550L1245MR Mouser Part # 650-ITV9550L1245MR	Littelfuse	Battery Management ITV 9.5*5.0MM 12V 45A Learn More about Littelfuse itv polyswitch	Datasheet	739In Stock	Cut Tape $7.77 $5.99 $5.55 $5.06 Reel $4.53 View $4.69 $4.68 $4.31 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses ITV 4.0*3.0MM 12V 12A ITV4030L1212NR Littelfuse 1: $4.98 A tariff of 8% may be applied if shipping to the United States. 6,315In Stock	Mfr. Part # ITV4030L1212NR Mouser Part # 650-ITV4030L1212NR	Littelfuse	Surface Mount Fuses ITV 4.0*3.0MM 12V 12A Learn More about Littelfuse itv polyswitch	Datasheet	6,315In Stock	Cut Tape $4.98 $4.39 $4.09 $3.35 View Reel $2.36 $2.92 $2.71 $2.42 $2.36 $2.36 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses ITV 4.0*3.0MM 20V 15A ITV4030L2015NR Littelfuse 1: $4.98 A tariff of 8% may be applied if shipping to the United States. 1,312In Stock 5,000Expected 1/27/2027	Mfr. Part # ITV4030L2015NR Mouser Part # 650-ITV4030L2015NR	Littelfuse	Surface Mount Fuses ITV 4.0*3.0MM 20V 15A Learn More about Littelfuse itv polyswitch	Datasheet	1,312In Stock 5,000Expected 1/27/2027	Cut Tape $4.98 $4.39 $4.09 $3.35 View Reel $2.36 $2.92 $2.71 $2.42 $2.36 $2.36 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 5,000
Battery Management ITV 5.4*3.2MM 30V 30A ITV5432L3030WR Littelfuse 1: $4.65 A tariff of 8% may be applied if shipping to the United States. 1,030In Stock	Mfr. Part # ITV5432L3030WR Mouser Part # 650-ITV5432L3030WR	Littelfuse	Battery Management ITV 5.4*3.2MM 30V 30A Learn More about Littelfuse itv polyswitch	Datasheet	1,030In Stock	Cut Tape $4.65 $3.86 $3.38 $3.08 View Reel $2.53 $2.85 $2.73 $2.62 $2.53 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Battery Management ITV 9.5*5.0MM 14V 45A ITV9550L1445MR Littelfuse 1: $7.92 A tariff of 8% may be applied if shipping to the United States. 527In Stock	Mfr. Part # ITV9550L1445MR Mouser Part # 650-ITV9550L1445MR	Littelfuse	Battery Management ITV 9.5*5.0MM 14V 45A Learn More about Littelfuse itv polyswitch	Datasheet	527In Stock	Cut Tape $7.92 $6.65 $5.84 $5.35 View Reel $4.59 $4.89 $4.79 $4.59 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0MM 30V 30A ITV9550L3030MR Littelfuse 1: $8.26 A tariff of 8% may be applied if shipping to the United States. 697In Stock	Mfr. Part # ITV9550L3030MR Mouser Part # 650-ITV9550L3030MR	Littelfuse	Battery Management ITV 9.5*5.0MM 30V 30A Learn More about Littelfuse itv polyswitch	Datasheet	697In Stock	Cut Tape $8.26 $7.63 $6.32 $5.83 View Reel $4.59 $5.24 $5.01 $4.59 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Battery Management ITV 9.5*5.0mm 12V 60A ITV9550L1260MR Littelfuse 1: $14.99 A tariff of 8% may be applied if shipping to the United States. 41In Stock	Mfr. Part # ITV9550L1260MR Mouser Part # 576-ITV9550L1260MR	Littelfuse	Battery Management ITV 9.5*5.0mm 12V 60A Learn More about Littelfuse itv9550 fuses	Datasheet	41In Stock	Cut Tape $14.99 $12.68 $11.17 $10.27 View Reel $9.17 $9.82 $9.50 $9.17 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000

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