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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 (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO

KR104R0J
Littelfuse
1: $1.61
3,672In Stock

Mfr. Part No.
KR104R0J

Mouser Part No
576-KR104R0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO

Datasheet

3,672In Stock

$1.61

$1.21

$0.963

$0.906

View

Min.: 1
Mult.: 1

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

zeptoSMDC0011F
Littelfuse
1: $0.709
12,161In Stock

Mfr. Part No.
zeptoSMDC0011F

Mouser Part No
576-ZEPTOSMDC0011F

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

Datasheet

12,161In Stock

Cut Tape

$0.709

$0.644

$0.534

$0.492

View

Reel

$0.327

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

RB103E0J
Littelfuse
1: $0.959
332In Stock

Mfr. Part No.
RB103E0J

Mouser Part No
576-RB103E0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

Datasheet

332In Stock

$0.959

$0.728

$0.627

$0.605

View

Min.: 1
Mult.: 1

Thermal Cut-offs MHP-TAC15-12-85N

MHP-TAC15-12-85N
Littelfuse
1: $2.24
722In Stock

Mfr. Part No.
MHP-TAC15-12-85N

Mouser Part No
576-RF4783-000

Thermal Cut-offs MHP-TAC15-12-85N

Datasheet

722In Stock

$2.24

$2.20

$2.14

$1.79

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

KR502F0J
Littelfuse
1: $0.987
2,070In Stock

Mfr. Part No.
KR502F0J

Mouser Part No
576-KR502F0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

Datasheet

2,070In Stock

$0.987

$0.937

$0.876

$0.835

View

Min.: 1
Mult.: 1

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

SP1006-01UTG
Littelfuse
1: $0.514
17,031In Stock

Mfr. Part No.
SP1006-01UTG

Mouser Part No
576-SP1006-01UTG

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

Datasheet

17,031In Stock

Cut Tape

$0.514

$0.342

$0.139

$0.136

$0.108

Reel

$0.101

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

RA103J0Q-TR
Littelfuse
1: $0.723
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RA103J0Q-TR

Mouser Part No
576-RA103J0Q-TR

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$0.723

$0.552

$0.475

$0.392

Reel

$0.268

View

Min.: 1
Mult.: 1

Reel: 10,000

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

RB103K0J
Littelfuse
4,000: $0.303
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
RB103K0J

Mouser Part No
576-RB103K0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT

Datasheet

Non-Stocked Lead-Time 12 Weeks

$0.303

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

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 5% 0805 SMT

KR102D0J
Littelfuse
1: $1.46
Non-Stocked

Mfr. Part No.
KR102D0J

Mouser Part No
576-KR102D0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 5% 0805 SMT

Datasheet

Non-Stocked

$1.46

$1.10

$0.876

$0.824

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

KR103E0J
Littelfuse
3,500: $0.537
Non-Stocked

Mfr. Part No.
KR103E0J

Mouser Part No
576-KR103E0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Datasheet

Non-Stocked

$0.537

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

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT

KR204R0J
Littelfuse
1: $1.61
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
KR204R0J

Mouser Part No
576-KR204R0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT

Datasheet

Non-Stocked Lead-Time 14 Weeks

$1.61

$1.21

$0.963

$0.906

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

KR252L0J
Littelfuse
500: $4.89
Non-Stocked

Mfr. Part No.
KR252L0J

Mouser Part No
576-KR252L0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

Datasheet

Non-Stocked

$4.89

$4.17

Min.: 500
Mult.: 500

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 500 OHM 5% 0805 SMT

KR501D0J
Littelfuse
500: $4.89
Non-Stocked

Mfr. Part No.
KR501D0J

Mouser Part No
576-KR501D0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 500 OHM 5% 0805 SMT

Datasheet

Non-Stocked

$4.89

$4.17

Min.: 500
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0402 SMT

RA103G0J
Littelfuse
1: $1.61
Non-Stocked

Mfr. Part No.
RA103G0J

Mouser Part No
576-RA103G0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$1.61

$1.21

$0.963

$0.906

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

RA103J0J
Littelfuse
1: $1.61
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
RA103J0J

Mouser Part No
576-RA103J0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

Datasheet

Non-Stocked Lead-Time 14 Weeks

$1.61

$1.21

$0.963

$0.906

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

RA104R0J
Littelfuse
10,000: $0.516
Non-Stocked

Mfr. Part No.
RA104R0J

Mouser Part No
576-RA104R0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Datasheet

Non-Stocked

$0.516

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

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0402 SMT

RA204R0J
Littelfuse
1: $1.45
Non-Stocked

Mfr. Part No.
RA204R0J

Mouser Part No
576-RA204R0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$1.45

$1.09

$0.876

$0.823

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 5% 0402 SMT

RA303K0J
Littelfuse
10,000: $0.521
Non-Stocked

Mfr. Part No.
RA303K0J

Mouser Part No
576-RA303K0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$0.521

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

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 47K OHM 5% 0402 SMT

RA473K0J
Littelfuse
1: $1.61
Non-Stocked

Mfr. Part No.
RA473K0J

Mouser Part No
576-RA473K0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 47K OHM 5% 0402 SMT

Datasheet

Non-Stocked

$1.61

$1.21

$0.963

$0.906

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0603 SMT

RB204R0J
Littelfuse
1: $0.876
Non-Stocked

Mfr. Part No.
RB204R0J

Mouser Part No
576-RB204R0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0603 SMT

Datasheet

Non-Stocked

$0.876

$0.662

$0.57

$0.468

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 5% 0603 SMT

RB303K0J
Littelfuse
4,000: $0.495
Non-Stocked

Mfr. Part No.
RB303K0J

Mouser Part No
576-RB303K0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 5% 0603 SMT

Datasheet

Non-Stocked

$0.495

Min.: 4,000
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 50K OHM 5% 0603 SMT

RB503K0J
Littelfuse
1: $0.876
Non-Stocked

Mfr. Part No.
RB503K0J

Mouser Part No
576-RB503K0J

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 50K OHM 5% 0603 SMT

Datasheet

Non-Stocked

$0.876

$0.662

$0.57

$0.468

View

Min.: 1
Mult.: 1

Thermal Cut-offs MHP-TAC15-12-72N

MHP-TAC15-12-72N
Littelfuse
1,000: $1.19
Non-Stocked

Mfr. Part No.
MHP-TAC15-12-72N

Mouser Part No
576-RF4780-000

Thermal Cut-offs MHP-TAC15-12-72N

Datasheet

Non-Stocked

$1.19

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

Thermal Cut-offs MHP-TAC15-12-77N

MHP-TAC15-12-77N
Littelfuse
1,000: $1.13
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
MHP-TAC15-12-77N

Mouser Part No
576-RF4781-000

Thermal Cut-offs MHP-TAC15-12-77N

Datasheet

Non-Stocked Lead-Time 15 Weeks

$1.13

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

Thermal Cut-offs MHP-TAC15-12-82N

MHP-TAC15-12-82N
Littelfuse
1,000: $1.07
Non-Stocked

Mfr. Part No.
MHP-TAC15-12-82N

Mouser Part No
576-RF4782-000

Thermal Cut-offs MHP-TAC15-12-82N

Datasheet

Non-Stocked

$1.07

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