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Battery Fuel Gauge IC Protection

Littelfuse offers protection components for battery fuel gauge ICs. Battery Fuel Gauge ICs are critical components to the battery management system within battery-operated electronics, including drones, medical equipment, small appliances, and mobile and wearable devices. Fuel gauge ICs monitor the battery state of charge, sending the data to power management ICs to provide optimal battery life, longevity, and overall system performance. Protecting the fuel gauge ICs is important due to the increased voltage in batteries up to 20V for USB-C. Sustained overvoltage, ESD, overcurrent faults, and overheating are all hazards that could damage the battery management system if proper protection is not used.

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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.
Resettable Fuses - PPTC 80 Ohms 82 mA 13 VDC - 20 C+ 60 C zeptoSMDC0011F Littelfuse 1: € 0,396 12 155In Stock	Mfr. Part No. zeptoSMDC0011F Mouser Part No 576-ZEPTOSMDC0011F	Littelfuse	Resettable Fuses - PPTC 80 Ohms 82 mA 13 VDC - 20 C+ 60 C Learn More about Littelfuse zeptosmdc pptcs	Datasheet	12 155In Stock	Cut Tape € 0,396 € 0,337 € 0,298 € 0,273 View Reel € 0,178 € 0,247 € 0,228 € 0,21 € 0,208 € 0,178 € 0,178 MouseReel Available	Min.: 1 Mult.: 1 : 15 000
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT KR502F0J Littelfuse 1: € 0,636 3 475In Stock	Mfr. Part No. KR502F0J Mouser Part No 576-KR502F0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	3 475In Stock	€ 0,636 € 0,603 € 0,564 € 0,538 View € 0,513 € 0,46 € 0,433 € 0,371	Min.: 1 Mult.: 1
Thermal Cut-offs MHP-TAC15-12-85N MHP-TAC15-12-85N Littelfuse 1: € 1,49 720In Stock	Mfr. Part No. MHP-TAC15-12-85N Mouser Part No 576-RF4783-000	Littelfuse	Thermal Cut-offs MHP-TAC15-12-85N Learn More about Littelfuse mhp tac mini breakers	Datasheet	720In Stock	€ 1,49 € 1,32 € 1,26 € 1,18 View € 1,05 € 0,912 € 0,813 € 0,769	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1CH 30KV 5V SP1006-01UTG Littelfuse 1: € 0,413 17 464In Stock	Mfr. Part No. SP1006-01UTG Mouser Part No 576-SP1006-01UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1CH 30KV 5V Learn More about Littelfuse sp1006 tvs diode array	Datasheet	17 464In Stock	Cut Tape € 0,413 € 0,187 € 0,158 € 0,12 View Reel € 0,065 € 0,111 € 0,099 € 0,093 € 0,065 € 0,065 MouseReel Available	Min.: 1 Mult.: 1 : 15 000
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT RB103E0J Littelfuse 1: € 0,593 240Expected 07/12/2026	Mfr. Part No. RB103E0J Mouser Part No 576-RB103E0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse rb thermistors	Datasheet	240Expected 07/12/2026	€ 0,593 € 0,451 € 0,388 € 0,374 View € 0,319 € 0,305 € 0,277 € 0,264 € 0,23	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO KR104R0J Littelfuse 1: € 0,998 3 493Expected 05/10/2026	Mfr. Part No. KR104R0J Mouser Part No 576-KR104R0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO Learn More about Littelfuse surface mount thermistors	Datasheet	3 493Expected 05/10/2026	€ 0,998 € 0,746 € 0,596 € 0,561 View € 0,547 € 0,46 € 0,433 € 0,396	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR RA103J0Q-TR Littelfuse 1: € 0,447 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RA103J0Q-TR Mouser Part No 576-RA103J0Q-TR	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape € 0,447 € 0,341 € 0,294 € 0,243 Reel € 0,173 View € 0,213 € 0,205 € 0,186 € 0,172	Min.: 1 Mult.: 1 : 10 000
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT RB103K0J Littelfuse 4 000: € 0,233 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RB103K0J Mouser Part No 576-RB103K0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse rb thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	€ 0,233	Min.: 4 000 Mult.: 4 000
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT KR204R0J Littelfuse 3 500: € 0,402 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. KR204R0J Mouser Part No 576-KR204R0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 14 Weeks	€ 0,402	Min.: 3 500 Mult.: 3 500
Thermal Cut-offs MHP-TAC15-12-72N MHP-TAC15-12-72N Littelfuse 1 000: € 0,802 Non-Stocked	Mfr. Part No. MHP-TAC15-12-72N Mouser Part No 576-RF4780-000	Littelfuse	Thermal Cut-offs MHP-TAC15-12-72N Learn More about Littelfuse mhp tac mini breakers	Datasheet	Non-Stocked	€ 0,802	Min.: 1 000 Mult.: 1 000
Thermal Cut-offs MHP-TAC15-12-77N MHP-TAC15-12-77N Littelfuse 1 000: € 0,769 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. MHP-TAC15-12-77N Mouser Part No 576-RF4781-000	Littelfuse	Thermal Cut-offs MHP-TAC15-12-77N Learn More about Littelfuse mhp tac mini breakers	Datasheet	Non-Stocked Lead-Time 15 Weeks	€ 0,769	Min.: 1 000 Mult.: 1 000
Thermal Cut-offs MHP-TAC15-12-82N MHP-TAC15-12-82N Littelfuse 1 000: € 0,821 Non-Stocked	Mfr. Part No. MHP-TAC15-12-82N Mouser Part No 576-RF4782-000	Littelfuse	Thermal Cut-offs MHP-TAC15-12-82N Learn More about Littelfuse mhp tac mini breakers	Datasheet	Non-Stocked	€ 0,821	Min.: 1 000 Mult.: 1 000
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO KR503L0J Littelfuse Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. KR503L0J Mouser Part No 576-KR503L0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR RA104R0J Littelfuse Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. RA104R0J Mouser Part No 576-RA104R0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 15 Weeks		Request a Quote
Resettable Fuses - PPTC 60 Ohms 200 mA 13 VDC - 20 C+ 60 C zeptoSMDC0015F Littelfuse Non-Stocked	Mfr. Part No. zeptoSMDC0015F Mouser Part No 576-ZEPTOSMDC0015F	Littelfuse	Resettable Fuses - PPTC 60 Ohms 200 mA 13 VDC - 20 C+ 60 C Learn More about Littelfuse zeptosmdc pptcs	Datasheet	Non-Stocked		Request a Quote

Battery Fuel Gauge IC Protection

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Battery Fuel Gauge IC Protection

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