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Battery Management System Solutions

Littelfuse Battery Management System Solutions provides components that protect against overcurrents, surges, and Electrostatic Discharge (ESD) that threaten the safe operation of Battery Management Systems (BMS) in industrial tools and robotics, as well as e-mobility, mobile, and wearable applications. These systems regulate battery performance and communicate with energy management systems to keep batteries safe and operational. Littelfuse Battery Management System Solutions include fuses, TVS diodes, diode arrays, single-cell batteries, multi-cell batteries, solid state relays, and more.

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Part #

ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional

SMF40A
Littelfuse
1: $0.45
34,282In Stock

Mfr. Part No.
SMF40A

Mouser Part No
576-SMF40A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional

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Datasheet

34,282In Stock

Cut Tape

$0.45

$0.24

$0.144

$0.136

Reel

$0.095

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 40V

SMF40CA
Littelfuse
1: $0.23
28,329In Stock
3,000Expected 2026/03/24

Mfr. Part No.
SMF40CA

Mouser Part No
576-SMF40CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 40V

Learn More

Datasheet

28,329In Stock

3,000Expected 2026/03/24

Cut Tape

$0.23

$0.195

$0.187

$0.172

Reel

$0.12

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 45V 5% Uni-directional

SMF45A
Littelfuse
1: $0.361
32,470In Stock

Mfr. Part No.
SMF45A

Mouser Part No
576-SMF45A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 45V 5% Uni-directional

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Datasheet

32,470In Stock

Cut Tape

$0.361

$0.233

$0.133

$0.117

$0.099

Reel

$0.083

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 12V

SMF4L12CA
Littelfuse
1: $0.57
17,038In Stock

Mfr. Part No.
SMF4L12CA

Mouser Part No
576-SMF4L12CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 12V

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Datasheet

17,038In Stock

Cut Tape

$0.57

$0.354

$0.226

$0.17

Reel

$0.116

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 36V

SMF4L36CA
Littelfuse
1: $0.43
17,634In Stock

Mfr. Part No.
SMF4L36CA

Mouser Part No
576-SMF4L36CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 36V

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Datasheet

17,634In Stock

Cut Tape

$0.43

$0.345

$0.164

$0.16

Reel

$0.123

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF4L - CA 48V

SMF4L48CA
Littelfuse
1: $0.43
14,728In Stock

Mfr. Part No.
SMF4L48CA

Mouser Part No
576-SMF4L48CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF4L - CA 48V

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Datasheet

14,728In Stock

Cut Tape

$0.43

$0.287

$0.137

Reel

$0.13

$0.117

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 5V 5% Uni-directional

SMF5.0A
Littelfuse
1: $0.28
43,096In Stock
29,581Expected 2026/05/15

Mfr. Part No.
SMF5.0A

Mouser Part No
576-SMF5.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 5V 5% Uni-directional

Learn More

Datasheet

43,096In Stock

29,581Expected 2026/05/15

Cut Tape

$0.28

$0.18

$0.099

$0.097

$0.094

Reel

$0.076

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 5V 5% Uni-directional

SMF5.0A-T13
Littelfuse
1: $0.48
24,469In Stock

Mfr. Part No.
SMF5.0A-T13

Mouser Part No
576-SMF5.0A-T13

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 5V 5% Uni-directional

Learn More

Datasheet

24,469In Stock

Cut Tape

$0.48

$0.317

$0.187

$0.143

Reel

$0.09

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes SMF - CA 5V

SMF5.0CA
Littelfuse
1: $0.57
14,536In Stock
9,000Expected 2026/05/21

Mfr. Part No.
SMF5.0CA

Mouser Part No
576-SMF5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 5V

Learn More

Datasheet

14,536In Stock

9,000Expected 2026/05/21

Cut Tape

$0.57

$0.354

$0.226

$0.17

Reel

$0.11

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 200W 70V 5% Uni-directional

SMF70A
Littelfuse
1: $0.16
25,258In Stock

Mfr. Part No.
SMF70A

Mouser Part No
576-SMF70A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 70V 5% Uni-directional

Learn More

Datasheet

25,258In Stock

Cut Tape

$0.16

$0.113

$0.088

Reel

$0.087

$0.083

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

SMF8.5CA
Littelfuse
1: $0.45
13,787In Stock

Mfr. Part No.
SMF8.5CA

Mouser Part No
576-SMF8.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

Learn More

Datasheet

13,787In Stock

Cut Tape

$0.45

$0.338

$0.137

$0.134

Reel

$0.108

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 480V AEC-Q101 5% Bi-Directional

TPSMB480CA-A
Littelfuse
1: $1.38
16,273In Stock

Mfr. Part No.
TPSMB480CA-A

Mouser Part No
576-TPSMB480CA-A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 480V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

16,273In Stock

Cut Tape

$1.38

$0.871

$0.578

$0.451

$0.411

Reel

$0.361

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 540V AEC-Q101 5% Uni-Directional

TPSMB540A-A
Littelfuse
1: $0.301
8,073In Stock

Mfr. Part No.
TPSMB540A-A

Mouser Part No
576-TPSMB540A-A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 540V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

8,073In Stock

Cut Tape

$0.301

Reel

$0.301

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 550V AEC-Q101 5% Uni-Directional

TPSMB550A-A
Littelfuse
1: $0.88
14,765In Stock

Mfr. Part No.
TPSMB550A-A

Mouser Part No
576-TPSMB550A-A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 550V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

14,765In Stock

Cut Tape

$0.88

$0.608

$0.44

$0.383

Reel

$0.333

$0.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 600W 650V AEC-Q101 5% Bi-Directional

TPSMB650CA-A
Littelfuse
1: $1.44
4,891In Stock

Mfr. Part No.
TPSMB650CA-A

Mouser Part No
576-TPSMB650CA-A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 650V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

4,891In Stock

Cut Tape

$1.44

$0.726

$0.608

$0.476

$0.433

Reel

$0.376

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 30Vdc 10A MINI-SMD MINI-SMD

NANOSMDCH010F-02
Littelfuse
1: $0.661
15,658In Stock

Mfr. Part No.
NANOSMDCH010F-02

Mouser Part No
650-NANOSMDCH010F-02

Littelfuse

Resettable Fuses - PPTC 30Vdc 10A MINI-SMD MINI-SMD

Learn More

Datasheet

15,658In Stock

Cut Tape

$0.661

$0.601

$0.499

$0.461

View

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Automotive Fuses MEGA 70V (SF51)2-M8 HOLES 100A

0998100.UX-2M8
Littelfuse
1: $13.72
507In Stock

Mfr. Part No.
0998100.UX-2M8

Mouser Part No
849-0998100UX2M8

Littelfuse

Automotive Fuses MEGA 70V (SF51)2-M8 HOLES 100A

Learn More

Datasheet

507In Stock

$13.72

$11.97

$10.97

$9.48

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR

CPC1009N
IXYS Integrated Circuits
1: $1.64
5,786In Stock

Mfr. Part No.
CPC1009N

Mouser Part No
849-CPC1009N

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR

Learn More

Datasheet

5,786In Stock

$1.64

$1.50

$1.40

$1.35

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR

CPC1009NTR
IXYS Integrated Circuits
1: $1.57
5,282In Stock

Mfr. Part No.
CPC1009NTR

Mouser Part No
849-CPC1009NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR

Learn More

Datasheet

5,282In Stock

Cut Tape

$1.57

$1.40

$1.34

$1.29

View

Reel

$1.03

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Magnetic/Reed Switches NO 10-15AT 7.5mm Overmolded Sensor

59166-1-S-00-C
Littelfuse
1: $1.33
2,178In Stock

Mfr. Part No.
59166-1-S-00-C

Mouser Part No
934-59166-1-S-00-C

Littelfuse

Magnetic/Reed Switches NO 10-15AT 7.5mm Overmolded Sensor

Learn More

Datasheet

2,178In Stock

$1.33

$1.12

$1.04

$0.927

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches 200V 16mm GULL WING REEL

59166-1-S-00-D
Littelfuse
1: $1.04
4,687In Stock

Mfr. Part No.
59166-1-S-00-D

Mouser Part No
934-59166-1-S-00-D

Littelfuse

Magnetic/Reed Switches 200V 16mm GULL WING REEL

Learn More

Datasheet

4,687In Stock

Cut Tape

$1.04

$0.937

$0.88

$0.785

View

Reel

$0.604

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 0805 .350A

0805L035YR-A
Littelfuse
1: $2.48
393In Stock

Mfr. Part No.
0805L035YR-A

Mouser Part No
576-0805L035YR-A

Littelfuse

Resettable Fuses - PPTC PTC 6V POLYFUSE SURF MOUNT 0805 .350A

Learn More

Datasheet

393In Stock

Cut Tape

$2.48

$2.06

$1.90

$1.58

View

Reel

$1.11

Min.: 1
Mult.: 1

Reel: 4,000

Cartridge Fuses 250V .500A 3.6X10 FA PT PB-FREE

0874.500MXEP
Littelfuse
1: $2.88
150In Stock

Mfr. Part No.
0874.500MXEP

Mouser Part No
576-0874.500MXEP

Littelfuse

Cartridge Fuses 250V .500A 3.6X10 FA PT PB-FREE

Learn More

Datasheet

150In Stock

$2.88

$2.67

$2.55

$2.06

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 2A 3.6X10 FA PT PB-FREE

0874002.MXEP
Littelfuse
1: $2.69
439In Stock

Mfr. Part No.
0874002.MXEP

Mouser Part No
576-0874002.MXEP

Littelfuse

Cartridge Fuses 250V 2A 3.6X10 FA PT PB-FREE

Learn More

Datasheet

439In Stock

$2.69

$2.51

$2.40

$1.93

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 4A 3.6X10 FA PT PB-FREE

0874004.MXEP
Littelfuse
1: $2.69
225In Stock
1,000Expected 2026/03/13

Mfr. Part No.
0874004.MXEP

Mouser Part No
576-0874004.MXEP

Littelfuse

Cartridge Fuses 250V 4A 3.6X10 FA PT PB-FREE

Learn More

Datasheet

225In Stock

1,000Expected 2026/03/13

$2.69

$2.51

$2.40

$1.93

View

Min.: 1
Mult.: 1

Battery Management System Solutions

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Battery Management System Solutions

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