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Battery Management Systems

Eaton provides a wide portfolio of products for Battery Management Systems (BMS), including terminal blocks, fuses, supercapacitors, chokes, inductors, and more. Battery Management Systems monitor individual cells, system voltage, current, and temperature. When monitoring individual cells, the BMS balances voltages and regulates the current flow, and if the upper or lower voltage, current, or temperature limit is exceeded, the BMS temporarily disconnects the load or source. Eaton Battery Management Systems estimate the State of Health (SoH), State of Charge (SoC), State of Energy (SoE), and State of Power (SoP) in batteries.

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Part #

Current Transformers - Board Mount 7A 1:30, 74 uH, 3m? Pri, 0.80 ? Sec, 50 KHz-1MHz, SMT

ECST1V0504-1030-R
Eaton Electronics
1: $6.28
1,304In Stock

Mfr. Part No.
ECST1V0504-1030-R

Mouser Part No
504-ECST1V05041030-R

Eaton Electronics

Current Transformers - Board Mount 7A 1:30, 74 uH, 3m? Pri, 0.80 ? Sec, 50 KHz-1MHz, SMT

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Datasheet

1,304In Stock

Cut Tape

$6.28

$4.86

$4.48

$4.24

View

Reel

$3.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Current Transformers - Board Mount 7A 1:60, 295 uH, 3m? Pri, 3.6 ? Sec, 50 KHz-1MHz, SMT

ECST1V0504-1060-R
Eaton Electronics
1: $6.28
1,990In Stock

Mfr. Part No.
ECST1V0504-1060-R

Mouser Part No
504-ECST1V05041060-R

Eaton Electronics

Current Transformers - Board Mount 7A 1:60, 295 uH, 3m? Pri, 3.6 ? Sec, 50 KHz-1MHz, SMT

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Datasheet

1,990In Stock

Cut Tape

$6.28

$4.86

$4.48

$4.24

View

Reel

$3.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Current Transformers - Board Mount 7A 1:125, 1280 uH, 3m? Pri, 13.0 ? Sec, 50 KHz-1MHz, SMT

ECST1V0504-1125-R
Eaton Electronics
1: $6.28
2,000In Stock

Mfr. Part No.
ECST1V0504-1125-R

Mouser Part No
504-ECST1V05041125-R

Eaton Electronics

Current Transformers - Board Mount 7A 1:125, 1280 uH, 3m? Pri, 13.0 ? Sec, 50 KHz-1MHz, SMT

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Datasheet

2,000In Stock

Cut Tape

$6.28

$4.86

$4.48

$4.24

View

Reel

$3.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Current Transformers - Board Mount 9A 1:20, 0.053 uH, 1.5 m? Pri, 0.42 ? Sec, 50 KHz-1MHz, SMT

ECST1V0703-1020-R
Eaton Electronics
1: $4.11
2,500In Stock

Mfr. Part No.
ECST1V0703-1020-R

Mouser Part No
504-ECST1V07031020-R

Eaton Electronics

Current Transformers - Board Mount 9A 1:20, 0.053 uH, 1.5 m? Pri, 0.42 ? Sec, 50 KHz-1MHz, SMT

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Datasheet

2,500In Stock

Cut Tape

$4.11

$3.02

$2.73

$2.40

Reel

$1.94

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Current Transformers - Board Mount 9A 1:100, 1.33 uH, 1.5 m? Pri, 10.68 ? Sec, 50 KHz-1MHz, SMT

ECST1V0703-1100-R
Eaton Electronics
1: $4.11
2,470In Stock

Mfr. Part No.
ECST1V0703-1100-R

Mouser Part No
504-ECST1V07031100-R

Eaton Electronics

Current Transformers - Board Mount 9A 1:100, 1.33 uH, 1.5 m? Pri, 10.68 ? Sec, 50 KHz-1MHz, SMT

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Datasheet

2,470In Stock

Cut Tape

$4.11

$3.02

$2.73

$2.40

Reel

$1.94

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Current Transformers - Board Mount 10A 1:50 500uH 0.7m? Pri 1.85? Sec 50KHz-1MHz SMT AEC-Q

ECSTA1V0805-1050-R
Eaton Electronics
1: $3.71
990In Stock

Mfr. Part No.
ECSTA1V0805-1050-R

Mouser Part No
504-ECSTA1V08051050R

Eaton Electronics

Current Transformers - Board Mount 10A 1:50 500uH 0.7m? Pri 1.85? Sec 50KHz-1MHz SMT AEC-Q

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Datasheet

990In Stock

Cut Tape

$3.71

$2.73

$2.47

$2.16

Reel

$1.84

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Current Transformers - Board Mount 10A 1:100 2000uH 0.7m? Pri 5.5? Sec 50KHz-1MHz SMT AEC-Q

ECSTA1V0805-1100-R
Eaton Electronics
1: $3.71
985In Stock

Mfr. Part No.
ECSTA1V0805-1100-R

Mouser Part No
504-ECSTA1V08051100R

Eaton Electronics

Current Transformers - Board Mount 10A 1:100 2000uH 0.7m? Pri 5.5? Sec 50KHz-1MHz SMT AEC-Q

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Datasheet

985In Stock

Cut Tape

$3.71

$2.73

$2.47

$2.16

Reel

$1.84

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Supercapacitors / Ultracapacitors Eaton HS Hybrid Supercapacitor, 3.8V, 10F, 1.5 ohm

HS0814-3R8106-R
Eaton Electronics
1: $3.73
82In Stock

Mfr. Part No.
HS0814-3R8106-R

Mouser Part No
504-HS0814-3R8106-R

Eaton Electronics

Supercapacitors / Ultracapacitors Eaton HS Hybrid Supercapacitor, 3.8V, 10F, 1.5 ohm

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Datasheet

82In Stock

$3.73

$2.67

$2.22

$2.06

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors Eaton HSL Hybrid Supercapacitor, 3.8V, 10F, 1.5 ohm, Low T

HSL0814-3R8106-R
Eaton Electronics
1: $3.61
274In Stock

Mfr. Part No.
HSL0814-3R8106-R

Mouser Part No
504-HSL0814-3R8106-R

Eaton Electronics

Supercapacitors / Ultracapacitors Eaton HSL Hybrid Supercapacitor, 3.8V, 10F, 1.5 ohm, Low T

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Datasheet

274In Stock

$3.61

$2.54

$2.12

$1.97

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors Eaton HSL Hybrid Supercapacitor, 3.8V, 25F, 0.65 ohm, Low T

HSL0820-3R8256-R
Eaton Electronics
1: $3.81
292In Stock
1,200Expected 2026/07/07

Mfr. Part No.
HSL0820-3R8256-R

Mouser Part No
504-HSL0820-3R8256-R

Eaton Electronics

Supercapacitors / Ultracapacitors Eaton HSL Hybrid Supercapacitor, 3.8V, 25F, 0.65 ohm, Low T

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Datasheet

292In Stock

1,200Expected 2026/07/07

$3.81

$2.70

$2.26

$2.11

View

Min.: 1
Mult.: 1

Audio Transformers / Signal Transformers LAN PoE Txfmr, 100 BASE-T, 350uH, Open Hdr, Single Port, 16pins, 1500Vac

LAN1VSOPS16351C2
Eaton Electronics
1: $1.42
621In Stock
1,200Expected 2026/06/09

Mfr. Part No.
LAN1VSOPS16351C2

Mouser Part No
504-LAN1VSOPS16351C2

Eaton Electronics

Audio Transformers / Signal Transformers LAN PoE Txfmr, 100 BASE-T, 350uH, Open Hdr, Single Port, 16pins, 1500Vac

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Datasheet

621In Stock

1,200Expected 2026/06/09

Cut Tape

$1.42

$1.29

$1.20

$1.16

Reel

$0.99

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,200

Audio Transformers / Signal Transformers LAN Txfmr, 100 BASE-T, 350uH, Open Hdr, Single Port, 16pins , 1500Vac

LAN1VSOS16351C2
Eaton Electronics
1: $1.69
450In Stock
1,200Expected 2026/05/18

Mfr. Part No.
LAN1VSOS16351C2

Mouser Part No
504-LAN1VSOS16351C2

Eaton Electronics

Audio Transformers / Signal Transformers LAN Txfmr, 100 BASE-T, 350uH, Open Hdr, Single Port, 16pins , 1500Vac

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Datasheet

450In Stock

1,200Expected 2026/05/18

Cut Tape

$1.69

$1.23

$1.11

$0.976

Reel

$0.799

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 600

Audio Transformers / Signal Transformers LAN Txfmr, 1000 BASE-T, 350uH, Open Hdr, Single Port, 24pins, 1500Vac

LAN2VSOS24351C2
Eaton Electronics
1: $1.64
740In Stock
1,700Expected 2026/05/18

Mfr. Part No.
LAN2VSOS24351C2

Mouser Part No
504-LAN2VSOS24351C2

Eaton Electronics

Audio Transformers / Signal Transformers LAN Txfmr, 1000 BASE-T, 350uH, Open Hdr, Single Port, 24pins, 1500Vac

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Datasheet

740In Stock

1,700Expected 2026/05/18

Cut Tape

$1.64

$1.49

$1.40

$1.38

Reel

$1.16

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,700

Supercapacitors / Ultracapacitors .22F 2.5V EDLC B SERIES CYL

B0510-2R5224-R
Eaton Electronics
1: $2.44
3,796In Stock

Mfr. Part No.
B0510-2R5224-R

Mouser Part No
504-B0510-2R5224-R

Eaton Electronics

Supercapacitors / Ultracapacitors .22F 2.5V EDLC B SERIES CYL

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Datasheet

3,796In Stock

$2.44

$1.83

$1.65

$1.43

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors HS Hybrid Supercapacitor, 3.8V, 50F, 450mW

HS1020-3R8506-R
Eaton Electronics
1: $5.37
1,224In Stock

Mfr. Part No.
HS1020-3R8506-R

Mouser Part No
504-HS1020-3R8506-R

Eaton Electronics

Supercapacitors / Ultracapacitors HS Hybrid Supercapacitor, 3.8V, 50F, 450mW

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Datasheet

1,224In Stock

$5.37

$4.13

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors 3F 2.7V EDLC HV SERIES CYL

HV0820-2R7305-R
Eaton Electronics
1: $1.74
2,196In Stock

Mfr. Part No.
HV0820-2R7305-R

Mouser Part No
504-HV0820-2R7305-R

Eaton Electronics

Supercapacitors / Ultracapacitors 3F 2.7V EDLC HV SERIES CYL

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Datasheet

Product Comments

2,196In Stock

$1.74

$1.33

$1.14

Reel

$1.04

$0.912

View

Min.: 1
Mult.: 1

Reel: 100

Supercapacitors / Ultracapacitors 5F 2.7V EDLC HV SERIES CYL

HV1020-2R7505-R
Eaton Electronics
1: $2.38
11,162In Stock

Mfr. Part No.
HV1020-2R7505-R

Mouser Part No
504-HV1020-2R7505-R

Eaton Electronics

Supercapacitors / Ultracapacitors 5F 2.7V EDLC HV SERIES CYL

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Datasheet

Product Comments

11,162In Stock

$2.38

$1.58

$1.36

Reel

$1.16

$1.09

$1.01

Min.: 1
Mult.: 1

Reel: 100

Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell Cyl

KR-5R5C104-R
Eaton Electronics
1: $3.16
734In Stock

Mfr. Part No.
KR-5R5C104-R

Mouser Part No
504-KR-5R5C104-R

Eaton Electronics

Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell Cyl

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Datasheet

734In Stock

$3.16

$2.24

$2.02

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors 1.5F 5.5V EDLC Coin Cell Cyl

KR-5R5C155-R
Eaton Electronics
1: $6.35
818In Stock

Mfr. Part No.
KR-5R5C155-R

Mouser Part No
504-KR-5R5C155-R

Eaton Electronics

Supercapacitors / Ultracapacitors 1.5F 5.5V EDLC Coin Cell Cyl

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Datasheet

818In Stock

$6.35

$4.66

$3.98

$3.78

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors .33F 5.5V EDLC Coin Cell Cyl

KR-5R5C334-R
Eaton Electronics
1: $6.64
530In Stock

Mfr. Part No.
KR-5R5C334-R

Mouser Part No
504-KR-5R5C334-R

Eaton Electronics

Supercapacitors / Ultracapacitors .33F 5.5V EDLC Coin Cell Cyl

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Datasheet

530In Stock

$6.64

$4.90

$4.09

$3.81

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors .47F 5.5V EDLC Coin Cell Cyl

KR-5R5C474-R
Eaton Electronics
1: $5.64
3,619In Stock

Mfr. Part No.
KR-5R5C474-R

Mouser Part No
504-KR-5R5C474-R

Eaton Electronics

Supercapacitors / Ultracapacitors .47F 5.5V EDLC Coin Cell Cyl

Learn More

Datasheet

3,619In Stock

$5.64

$4.33

$3.77

$3.72

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell HORZ

KR-5R5H104-R
Eaton Electronics
1: $4.35
1,605In Stock

Mfr. Part No.
KR-5R5H104-R

Mouser Part No
504-KR-5R5H104-R

Eaton Electronics

Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell HORZ

Learn More

Datasheet

1,605In Stock

$4.35

$3.12

$2.79

$2.77

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors .33F 5.5V EDLC Coin Cell HORZ

KR-5R5H334-R
Eaton Electronics
1: $4.16
1,023In Stock
600On Order

Mfr. Part No.
KR-5R5H334-R

Mouser Part No
504-KR-5R5H334-R

Eaton Electronics

Supercapacitors / Ultracapacitors .33F 5.5V EDLC Coin Cell HORZ

Learn More

Datasheet

1,023In Stock

600On Order

$4.16

$2.97

$2.88

$2.67

View

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors .47F 5.5V EDLC Coin Cell HORZ

KR-5R5H474-R
Eaton Electronics
1: $7.01
2,412In Stock

Mfr. Part No.
KR-5R5H474-R

Mouser Part No
504-KR-5R5H474-R

Eaton Electronics

Supercapacitors / Ultracapacitors .47F 5.5V EDLC Coin Cell HORZ

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Datasheet

2,412In Stock

$7.01

$5.72

$4.93

$4.69

$4.29

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell VERT

KR-5R5V104-R
Eaton Electronics
1: $3.91
2,926In Stock

Mfr. Part No.
KR-5R5V104-R

Mouser Part No
504-KR-5R5V104-R

Eaton Electronics

Supercapacitors / Ultracapacitors .1F 5.5V EDLC Coin Cell VERT

Learn More

Datasheet

2,926In Stock

$3.91

$2.83

$2.56

$2.43

$2.40

Min.: 1
Mult.: 1

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