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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 #

Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 60W 12V 5A

POEB2FB1V60W1X12
Eaton Electronics
1: $6.45
330In Stock

Mfr. Part No.
POEB2FB1V60W1X12

Mouser Part No
504-POEB2FB1V60W1X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 60W 12V 5A

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Datasheet

330In Stock

Cut Tape

$6.45

$6.26

$6.13

$5.99

$5.91

Reel

$5.07

MouseReel Available

Min.: 1
Mult.: 1

Reel: 150

Audio Transformers / Signal Transformers Flybk Xfmr EFD25 Dual 84W 12V 6A 1A

POEB3FB1V84W2X12
Eaton Electronics
1: $10.59
246In Stock

Mfr. Part No.
POEB3FB1V84W2X12

Mouser Part No
504-POEB3FB1V84W2X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EFD25 Dual 84W 12V 6A 1A

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Datasheet

246In Stock

Cut Tape

$10.59

$8.12

$7.45

$7.12

Reel

$7.03

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

Audio Transformers / Signal Transformers Fwd Xfmr EFD25 Single 50W 5V 10A

POEB3FW1V50W1X5
Eaton Electronics
1: $8.90
249In Stock

Mfr. Part No.
POEB3FW1V50W1X5

Mouser Part No
504-POEB3FW1V50W1X5

Eaton Electronics

Audio Transformers / Signal Transformers Fwd Xfmr EFD25 Single 50W 5V 10A

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Datasheet

249In Stock

Cut Tape

$8.90

$6.81

$6.26

$5.98

Reel

$5.91

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

Audio Transformers / Signal Transformers Fwd Xfmr EFD30 Single 156W 12V 13A

POEB4FW1V156W1X12
Eaton Electronics
1: $11.26
116In Stock

Mfr. Part No.
POEB4FW1V156W1X12

Mouser Part No
504-POEB4FW1V156W112

Eaton Electronics

Audio Transformers / Signal Transformers Fwd Xfmr EFD30 Single 156W 12V 13A

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Datasheet

116In Stock

Cut Tape

$11.26

$8.63

$7.92

Reel

$7.56

$7.46

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 50

Supercapacitors / Ultracapacitors 5F 5V EDLC PHB SERIES HORZ

PHB-5R0H505-R
Eaton Electronics
1: $38.03
142In Stock

Mfr. Part No.
PHB-5R0H505-R

Mouser Part No
504-PHB-5R0H505-R

Eaton Electronics

Supercapacitors / Ultracapacitors 5F 5V EDLC PHB SERIES HORZ

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Datasheet

142In Stock

$38.03

$28.80

$24.53

$23.07

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Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors 61.7F 18V

XTM-18R0626-R
Eaton Electronics
1: $239.43
23In Stock

Mfr. Part No.
XTM-18R0626-R

Mouser Part No
704-XTM-18R0626-R

Eaton Electronics

Supercapacitors / Ultracapacitors 61.7F 18V

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Datasheet

23In Stock

$239.43

$239.41

Min.: 1
Mult.: 1

Pulse Transformers XFMRPUSH-PULL 560UH5V:1

CTX02-13716
Eaton Electronics
1: $16.79
501In Stock

Mfr. Part No.
CTX02-13716

Mouser Part No
704-CTX02-13716

Eaton Electronics

Pulse Transformers XFMRPUSH-PULL 560UH5V:1

501In Stock

Cut Tape

$16.79

$13.00

$11.98

$11.34

Reel

$9.87

View

Min.: 1
Mult.: 1

Reel: 600

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

ECST1V0504-1030-R
Eaton Electronics
1: $8.73
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

$8.73

$6.76

$6.23

$5.89

View

Reel

$4.84

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: $8.73
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

$8.73

$6.76

$6.23

$5.89

View

Reel

$4.84

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: $8.73
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

$8.73

$6.76

$6.23

$5.89

View

Reel

$4.84

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

HSL0814-3R8106-R
Eaton Electronics
1: $5.02
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

$5.02

$3.53

$2.95

$2.74

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: $7.21
292In Stock
1,200Expected 7/7/2026

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 7/7/2026

$7.21

$5.21

$4.32

$3.98

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: $1.97
621In Stock
1,200Expected 9/6/2026

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 9/6/2026

Cut Tape

$1.97

$1.79

$1.67

$1.61

Reel

$1.38

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: $2.35
450In Stock
1,200Expected 18/5/2026

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 18/5/2026

Cut Tape

$2.35

$1.71

$1.54

$1.36

Reel

$1.11

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: $2.28
710In Stock
1,700Expected 18/5/2026

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

710In Stock

1,700Expected 18/5/2026

Cut Tape

$2.28

$2.07

$1.93

$1.92

Reel

$1.61

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: $3.39
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

$3.39

$2.53

$2.29

$1.99

View

Min.: 1
Mult.: 1

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

HS1020-3R8506-R
Eaton Electronics
1: $7.46
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

$7.46

$5.48

$4.75

$4.59

$3.67

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors 3F 2.7V EDLC HV SERIES CYL

HV0820-2R7305-R
Eaton Electronics
1: $2.42
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

$2.42

$1.85

$1.58

Reel

$1.42

$1.27

View

Min.: 1
Mult.: 1

Reel: 100

Supercapacitors / Ultracapacitors 5F 2.7V EDLC HV SERIES CYL

HV1020-2R7505-R
Eaton Electronics
1: $3.31
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

$3.31

$2.20

$1.89

Reel

$1.61

$1.52

$1.40

Min.: 1
Mult.: 1

Reel: 100

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

KR-5R5C104-R
Eaton Electronics
1: $4.39
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

$4.39

$3.11

$2.81

Min.: 1
Mult.: 1

Supercapacitors / Ultracapacitors 1.5F 5.5V EDLC Coin Cell Cyl

KR-5R5C155-R
Eaton Electronics
1: $8.83
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

$8.83

$6.48

$5.53

$5.25

View

Min.: 1
Mult.: 1

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

KR-5R5C334-R
Eaton Electronics
1: $9.23
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

$9.23

$6.80

$5.69

$5.30

View

Min.: 1
Mult.: 1

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

KR-5R5C474-R
Eaton Electronics
1: $7.84
3,607In 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

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Datasheet

3,607In Stock

$7.84

$6.02

$5.24

$5.17

View

Min.: 1
Mult.: 1

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

KR-5R5H104-R
Eaton Electronics
1: $6.05
1,597In 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

1,597In Stock

$6.05

$4.34

$3.88

$3.85

View

Min.: 1
Mult.: 1

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

KR-5R5H334-R
Eaton Electronics
1: $5.78
1,616In Stock

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

1,616In Stock

$5.78

$4.11

$4.09

$3.73

View

Min.: 1
Mult.: 1

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