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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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Part #

NTC Thermistors THERMISTOR, US SENSO

KR104R0J
Littelfuse
1: $1.80
3,672In Stock

Mfr. Part #
KR104R0J

Mouser Part #
576-KR104R0J

NTC Thermistors THERMISTOR, US SENSO

Datasheet

3,672In Stock

$1.80

$1.34

$1.07

$1.01

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 80 Ohms 82 mA 13 VDC - 20 C+ 60 C

zeptoSMDC0011F
Littelfuse
1: $0.791
12,161In Stock

Mfr. Part #
zeptoSMDC0011F

Mouser Part #
576-ZEPTOSMDC0011F

Resettable Fuses - PPTC 80 Ohms 82 mA 13 VDC - 20 C+ 60 C

Datasheet

12,161In Stock

Cut Tape

$0.791

$0.718

$0.595

$0.549

View

Reel

$0.364

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

RB103E0J
Littelfuse
1: $1.07
332In Stock

Mfr. Part #
RB103E0J

Mouser Part #
576-RB103E0J

NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

Datasheet

332In Stock

$1.07

$0.812

$0.699

$0.674

View

Min.: 1
Mult.: 1

Thermal Cutoffs MHP-TAC15-12-85N

MHP-TAC15-12-85N
Littelfuse
1: $2.50
722In Stock

Mfr. Part #
MHP-TAC15-12-85N

Mouser Part #
576-RF4783-000

Thermal Cutoffs MHP-TAC15-12-85N

Datasheet

722In Stock

$2.50

$2.45

$2.39

$2.00

View

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

KR502F0J
Littelfuse
1: $1.10
2,070In Stock

Mfr. Part #
KR502F0J

Mouser Part #
576-KR502F0J

NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

Datasheet

2,070In Stock

$1.10

$1.04

$0.977

$0.932

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1CH 30KV 5V

SP1006-01UTG
Littelfuse
1: $0.574
17,031In Stock

Mfr. Part #
SP1006-01UTG

Mouser Part #
576-SP1006-01UTG

ESD Protection Diodes / TVS Diodes 1CH 30KV 5V

Datasheet

17,031In Stock

Cut Tape

$0.574

$0.381

$0.155

$0.152

$0.121

Reel

$0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

NTC Thermistors THERMISTOR

RA103J0Q-TR
Littelfuse
1: $0.806
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RA103J0Q-TR

Mouser Part #
576-RA103J0Q-TR

NTC Thermistors THERMISTOR

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$0.806

$0.615

$0.53

$0.437

Reel

$0.299

View

Min.: 1
Mult.: 1

Reel: 10,000

NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

RB103K0J
Littelfuse
4,000: $0.338
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
RB103K0J

Mouser Part #
576-RB103K0J

NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.338

Min.: 4,000
Mult.: 4,000

NTC Thermistors NTC THERMISTOR 1K OHM 5% 0805 SMT

KR102D0J
Littelfuse
1: $1.63
Non-Stocked

Mfr. Part #
KR102D0J

Mouser Part #
576-KR102D0J

NTC Thermistors NTC THERMISTOR 1K OHM 5% 0805 SMT

Datasheet

Non-Stocked

$1.63

$1.22

$0.977

$0.919

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR

KR103E0J
Littelfuse
3,500: $0.598
Non-Stocked

Mfr. Part #
KR103E0J

Mouser Part #
576-KR103E0J

NTC Thermistors THERMISTOR, US SENSOR

Datasheet

Non-Stocked

$0.598

Min.: 3,500
Mult.: 3,500

NTC Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT

KR204R0J
Littelfuse
1: $1.80
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
KR204R0J

Mouser Part #
576-KR204R0J

NTC Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT

Datasheet

Non-Stocked Lead-Time 14 Weeks

$1.80

$1.34

$1.07

$1.01

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, U.S. SENS

KR252L0J
Littelfuse
500: $5.46
Non-Stocked

Mfr. Part #
KR252L0J

Mouser Part #
576-KR252L0J

NTC Thermistors THERMISTOR, U.S. SENS

Datasheet

Non-Stocked

$5.46

$4.65

Min.: 500
Mult.: 500

NTC Thermistors NTC THERMISTOR 500 OHM 5% 0805 SMT

KR501D0J
Littelfuse
500: $5.46
Non-Stocked

Mfr. Part #
KR501D0J

Mouser Part #
576-KR501D0J

NTC Thermistors NTC THERMISTOR 500 OHM 5% 0805 SMT

Datasheet

Non-Stocked

$5.46

$4.65

Min.: 500
Mult.: 1

NTC Thermistors NTC THERMISTOR 10K OHM 5% 0402 SMT

RA103G0J
Littelfuse
1: $1.80
Non-Stocked

Mfr. Part #
RA103G0J

Mouser Part #
576-RA103G0J

NTC Thermistors NTC THERMISTOR 10K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$1.80

$1.34

$1.07

$1.01

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR

RA103J0J
Littelfuse
1: $1.80
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
RA103J0J

Mouser Part #
576-RA103J0J

NTC Thermistors THERMISTOR

Datasheet

Non-Stocked Lead-Time 14 Weeks

$1.80

$1.34

$1.07

$1.01

View

Min.: 1
Mult.: 1

NTC Thermistors THERMISTOR, US SENSOR

RA104R0J
Littelfuse
10,000: $0.575
Non-Stocked

Mfr. Part #
RA104R0J

Mouser Part #
576-RA104R0J

NTC Thermistors THERMISTOR, US SENSOR

Datasheet

Non-Stocked

$0.575

Min.: 10,000
Mult.: 10,000

NTC Thermistors NTC THERMISTOR 200K OHM 5% 0402 SMT

RA204R0J
Littelfuse
1: $1.61
Non-Stocked

Mfr. Part #
RA204R0J

Mouser Part #
576-RA204R0J

NTC Thermistors NTC THERMISTOR 200K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$1.61

$1.22

$0.977

$0.918

View

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 30K OHM 5% 0402 SMT

RA303K0J
Littelfuse
10,000: $0.581
Non-Stocked

Mfr. Part #
RA303K0J

Mouser Part #
576-RA303K0J

NTC Thermistors NTC THERMISTOR 30K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$0.581

Min.: 10,000
Mult.: 10,000

NTC Thermistors NTC THERMISTOR 47K OHM 5% 0402 SMT

RA473K0J
Littelfuse
1: $1.80
Non-Stocked

Mfr. Part #
RA473K0J

Mouser Part #
576-RA473K0J

NTC Thermistors NTC THERMISTOR 47K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$1.80

$1.34

$1.07

$1.01

View

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 200K OHM 5% 0603 SMT

RB204R0J
Littelfuse
1: $0.977
Non-Stocked

Mfr. Part #
RB204R0J

Mouser Part #
576-RB204R0J

NTC Thermistors NTC THERMISTOR 200K OHM 5% 0603 SMT

Datasheet

Non-Stocked

$0.977

$0.738

$0.636

$0.522

View

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 30K OHM 5% 0603 SMT

RB303K0J
Littelfuse
4,000: $0.552
Non-Stocked

Mfr. Part #
RB303K0J

Mouser Part #
576-RB303K0J

NTC Thermistors NTC THERMISTOR 30K OHM 5% 0603 SMT

Datasheet

Non-Stocked

$0.552

Min.: 4,000
Mult.: 1

NTC Thermistors NTC THERMISTOR 50K OHM 5% 0603 SMT

RB503K0J
Littelfuse
1: $0.977
Non-Stocked

Mfr. Part #
RB503K0J

Mouser Part #
576-RB503K0J

NTC Thermistors NTC THERMISTOR 50K OHM 5% 0603 SMT

Datasheet

Non-Stocked

$0.977

$0.738

$0.636

$0.522

View

Min.: 1
Mult.: 1

Thermal Cutoffs MHP-TAC15-12-72N

MHP-TAC15-12-72N
Littelfuse
1,000: $1.32
Non-Stocked

Mfr. Part #
MHP-TAC15-12-72N

Mouser Part #
576-RF4780-000

Thermal Cutoffs MHP-TAC15-12-72N

Datasheet

Non-Stocked

$1.32

Min.: 1,000
Mult.: 1,000

Thermal Cutoffs MHP-TAC15-12-77N

MHP-TAC15-12-77N
Littelfuse
1,000: $1.26
Non-Stocked Lead-Time 15 Weeks

Mfr. Part #
MHP-TAC15-12-77N

Mouser Part #
576-RF4781-000

Thermal Cutoffs MHP-TAC15-12-77N

Datasheet

Non-Stocked Lead-Time 15 Weeks

$1.26

Min.: 1,000
Mult.: 1,000

Thermal Cutoffs MHP-TAC15-12-82N

MHP-TAC15-12-82N
Littelfuse
1,000: $1.19
Non-Stocked

Mfr. Part #
MHP-TAC15-12-82N

Mouser Part #
576-RF4782-000

Thermal Cutoffs MHP-TAC15-12-82N

Datasheet

Non-Stocked

$1.19

Min.: 1,000
Mult.: 1,000