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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: Rp21.281
3.672In Stock

Mfr. Part No.
KR104R0J

Mouser Part No
576-KR104R0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO

Datasheet

3.672In Stock

Rp21.281

Rp15.906

Rp12.714

Rp11.962

View

Min.: 1
Mult.: 1

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

zeptoSMDC0011F
Littelfuse
1: Rp9.356
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

Rp9.356

Rp8.494

Rp7.045

Rp6.494

View

Reel

Rp4.311

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15.000

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

RB103E0J
Littelfuse
1: Rp12.659
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

Rp12.659

Rp9.613

Rp8.274

Rp7.981

View

Min.: 1
Mult.: 1

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

MHP-TAC15-12-85N
Littelfuse
1: Rp29.537
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

Rp29.537

Rp28.987

Rp28.253

Rp23.666

View

Min.: 1
Mult.: 1

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

KR502F0J
Littelfuse
1: Rp13.026
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

Rp13.026

Rp12.365

Rp11.558

Rp11.026

View

Min.: 1
Mult.: 1

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

SP1006-01UTG
Littelfuse
1: Rp6.788
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

Rp6.788

Rp4.513

Rp1.835

Rp1.798

Rp1.431

Reel

Rp1.339

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15.000

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

RA103J0Q-TR
Littelfuse
1: Rp9.540
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

Rp9.540

Rp7.283

Rp6.274

Rp5.174

Reel

Rp3.541

View

Min.: 1
Mult.: 1

Reel: 10.000

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

RB103K0J
Littelfuse
4.000: Rp3.999
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

Rp3.999

Min.: 4.000
Mult.: 4.000

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

KR102D0J
Littelfuse
1: Rp19.263
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

Rp19.263

Rp14.457

Rp11.558

Rp10.879

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

KR103E0J
Littelfuse
3.500: Rp7.082
Non-Stocked

Mfr. Part No.
KR103E0J

Mouser Part No
576-KR103E0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Datasheet

Non-Stocked

Rp7.082

Min.: 3.500
Mult.: 3.500

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

KR204R0J
Littelfuse
1: Rp21.281
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

Rp21.281

Rp15.906

Rp12.714

Rp11.962

View

Min.: 1
Mult.: 1

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

KR252L0J
Littelfuse
500: Rp64.578
Non-Stocked

Mfr. Part No.
KR252L0J

Mouser Part No
576-KR252L0J

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

Datasheet

Non-Stocked

Rp64.578

Rp55.038

Min.: 500
Mult.: 500

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

KR501D0J
Littelfuse
500: Rp64.578
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

Rp64.578

Rp55.038

Min.: 500
Mult.: 1

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

RA103G0J
Littelfuse
1: Rp21.281
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

Rp21.281

Rp15.906

Rp12.714

Rp11.962

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

RA103J0J
Littelfuse
1: Rp21.281
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

Rp21.281

Rp15.906

Rp12.714

Rp11.962

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

RA104R0J
Littelfuse
10.000: Rp6.806
Non-Stocked

Mfr. Part No.
RA104R0J

Mouser Part No
576-RA104R0J

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Datasheet

Non-Stocked

Rp6.806

Min.: 10.000
Mult.: 10.000

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

RA204R0J
Littelfuse
1: Rp19.080
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

Rp19.080

Rp14.438

Rp11.558

Rp10.861

View

Min.: 1
Mult.: 1

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

RA303K0J
Littelfuse
10.000: Rp6.880
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

Rp6.880

Min.: 10.000
Mult.: 10.000

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

RA473K0J
Littelfuse
1: Rp21.281
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

Rp21.281

Rp15.906

Rp12.714

Rp11.962

View

Min.: 1
Mult.: 1

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

RB204R0J
Littelfuse
1: Rp11.558
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

Rp11.558

Rp8.733

Rp7.522

Rp6.183

View

Min.: 1
Mult.: 1

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

RB303K0J
Littelfuse
4.000: Rp6.531
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

Rp6.531

Min.: 4.000
Mult.: 1

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

RB503K0J
Littelfuse
1: Rp11.558
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

Rp11.558

Rp8.733

Rp7.522

Rp6.183

View

Min.: 1
Mult.: 1

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

MHP-TAC15-12-72N
Littelfuse
1.000: Rp15.649
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

Rp15.649

Min.: 1.000
Mult.: 1.000

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

MHP-TAC15-12-77N
Littelfuse
1.000: Rp14.915
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

Rp14.915

Min.: 1.000
Mult.: 1.000

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

MHP-TAC15-12-82N
Littelfuse
1.000: Rp14.108
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

Rp14.108

Min.: 1.000
Mult.: 1.000