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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 #

NTC Thermistors NRCE family, 220000 ohm, J Tol., S Lead, 4650 Beta, K Beta Tol., B1 Beta Def.

NRCE225J4650B1KS
Eaton Electronics
1: ¥66.4
1,975In Stock

Mfr. Part #
NRCE225J4650B1KS

Mouser Part #
504-NRCE225J4650B1KS

Eaton Electronics

NTC Thermistors NRCE family, 220000 ohm, J Tol., S Lead, 4650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,975In Stock

¥66.4

¥58

¥51

¥40.9

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 220000 ohm, K Tol., O Lead, 4650 Beta, K Beta Tol., B1 Beta Def.

NRCE225K4650B1KO
Eaton Electronics
1: ¥53.2
2,000In Stock

Mfr. Part #
NRCE225K4650B1KO

Mouser Part #
504-NRCE225K4650B1KO

Eaton Electronics

NTC Thermistors NRCE family, 220000 ohm, K Tol., O Lead, 4650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥53.2

¥46.2

¥40.7

¥32.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 220000 ohm, K Tol., S Lead, 4650 Beta, K Beta Tol., B1 Beta Def.

NRCE225K4650B1KS
Eaton Electronics
1: ¥53.2
2,000In Stock

Mfr. Part #
NRCE225K4650B1KS

Mouser Part #
504-NRCE225K4650B1KS

Eaton Electronics

NTC Thermistors NRCE family, 220000 ohm, K Tol., S Lead, 4650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥53.2

¥46.2

¥40.7

¥32.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 470000 ohm, J Tol., O Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

NRCE475J4750B1KO
Eaton Electronics
1: ¥66.4
2,000In Stock

Mfr. Part #
NRCE475J4750B1KO

Mouser Part #
504-NRCE475J4750B1KO

Eaton Electronics

NTC Thermistors NRCE family, 470000 ohm, J Tol., O Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥66.4

¥58

¥51

¥40.9

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 470000 ohm, J Tol., S Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

NRCE475J4750B1KS
Eaton Electronics
1: ¥66.4
2,000In Stock

Mfr. Part #
NRCE475J4750B1KS

Mouser Part #
504-NRCE475J4750B1KS

Eaton Electronics

NTC Thermistors NRCE family, 470000 ohm, J Tol., S Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥66.4

¥58

¥51

¥40.9

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 470000 ohm, K Tol., O Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

NRCE475K4750B1KO
Eaton Electronics
1: ¥53.2
1,990In Stock

Mfr. Part #
NRCE475K4750B1KO

Mouser Part #
504-NRCE475K4750B1KO

Eaton Electronics

NTC Thermistors NRCE family, 470000 ohm, K Tol., O Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,990In Stock

¥53.2

¥46.2

¥40.7

¥32.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 470000 ohm, K Tol., S Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

NRCE475K4750B1KS
Eaton Electronics
1: ¥53.2
2,000In Stock

Mfr. Part #
NRCE475K4750B1KS

Mouser Part #
504-NRCE475K4750B1KS

Eaton Electronics

NTC Thermistors NRCE family, 470000 ohm, K Tol., S Lead, 4750 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥53.2

¥46.2

¥40.7

¥32.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50 ohm, K Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501K3050B1KO
Eaton Electronics
1: ¥59.8
1,990In Stock

Mfr. Part #
NRCE501K3050B1KO

Mouser Part #
504-NRCE501K3050B1KO

Eaton Electronics

NTC Thermistors NRCE family, 50 ohm, K Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,990In Stock

¥59.8

¥51.7

¥45.5

¥36.5

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50 ohm, K Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501K3050B1KS
Eaton Electronics
1: ¥59.8
2,000In Stock

Mfr. Part #
NRCE501K3050B1KS

Mouser Part #
504-NRCE501K3050B1KS

Eaton Electronics

NTC Thermistors NRCE family, 50 ohm, K Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥59.8

¥51.7

¥45.5

¥36.5

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50 ohm, L Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501L3050B1KO
Eaton Electronics
1: ¥46.5
1,955In Stock

Mfr. Part #
NRCE501L3050B1KO

Mouser Part #
504-NRCE501L3050B1KO

Eaton Electronics

NTC Thermistors NRCE family, 50 ohm, L Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,955In Stock

¥46.5

¥40.7

¥35.7

¥28.7

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50 ohm, L Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501L3050B1KS
Eaton Electronics
1: ¥46.5
1,977In Stock

Mfr. Part #
NRCE501L3050B1KS

Mouser Part #
504-NRCE501L3050B1KS

Eaton Electronics

NTC Thermistors NRCE family, 50 ohm, L Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,977In Stock

¥46.5

¥40.7

¥35.7

¥28.7

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 500 ohm, K Tol., O Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

NRCE502K3650B1KO
Eaton Electronics
1: ¥56.5
1,870In Stock

Mfr. Part #
NRCE502K3650B1KO

Mouser Part #
504-NRCE502K3650B1KO

Eaton Electronics

NTC Thermistors NRCE family, 500 ohm, K Tol., O Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,870In Stock

¥56.5

¥49.3

¥43.4

¥34.7

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 500 ohm, K Tol., S Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

NRCE502K3650B1KS
Eaton Electronics
1: ¥34.9
2,737In Stock

Mfr. Part #
NRCE502K3650B1KS

Mouser Part #
504-NRCE502K3650B1KS

Eaton Electronics

NTC Thermistors NRCE family, 500 ohm, K Tol., S Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,737In Stock

¥34.9

¥32.4

¥28.6

¥27.1

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 500 ohm, L Tol., O Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

NRCE502L3650B1KO
Eaton Electronics
1: ¥43.2
1,950In Stock

Mfr. Part #
NRCE502L3650B1KO

Mouser Part #
504-NRCE502L3650B1KO

Eaton Electronics

NTC Thermistors NRCE family, 500 ohm, L Tol., O Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,950In Stock

¥43.2

¥37.5

¥33.1

¥26.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 500 ohm, L Tol., S Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

NRCE502L3650B1KS
Eaton Electronics
1: ¥43.2
1,964In Stock

Mfr. Part #
NRCE502L3650B1KS

Mouser Part #
504-NRCE502L3650B1KS

Eaton Electronics

NTC Thermistors NRCE family, 500 ohm, L Tol., S Lead, 3650 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,964In Stock

¥43.2

¥37.5

¥33.1

¥26.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 5000 ohm, K Tol., O Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

NRCE503K4050B1KO
Eaton Electronics
1: ¥53.2
1,975In Stock

Mfr. Part #
NRCE503K4050B1KO

Mouser Part #
504-NRCE503K4050B1KO

Eaton Electronics

NTC Thermistors NRCE family, 5000 ohm, K Tol., O Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,975In Stock

¥53.2

¥46.2

¥40.7

¥32.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 5000 ohm, K Tol., S Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

NRCE503K4050B1KS
Eaton Electronics
1: ¥53.2
1,914In Stock

Mfr. Part #
NRCE503K4050B1KS

Mouser Part #
504-NRCE503K4050B1KS

Eaton Electronics

NTC Thermistors NRCE family, 5000 ohm, K Tol., S Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,914In Stock

¥53.2

¥46.2

¥40.7

¥32.6

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 5000 ohm, L Tol., O Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

NRCE503L4050B1KO
Eaton Electronics
1: ¥39.9
1,979In Stock

Mfr. Part #
NRCE503L4050B1KO

Mouser Part #
504-NRCE503L4050B1KO

Eaton Electronics

NTC Thermistors NRCE family, 5000 ohm, L Tol., O Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,979In Stock

¥39.9

¥35

¥30.9

¥24.7

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 5000 ohm, L Tol., S Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

NRCE503L4050B1KS
Eaton Electronics
1: ¥26.6
1,940In Stock

Mfr. Part #
NRCE503L4050B1KS

Mouser Part #
504-NRCE503L4050B1KS

Eaton Electronics

NTC Thermistors NRCE family, 5000 ohm, L Tol., S Lead, 4050 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,940In Stock

¥26.6

¥24.1

¥21.1

¥19.9

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50000 ohm, J Tol., O Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

NRCE504J4300B1KO
Eaton Electronics
1: ¥63.1
2,000In Stock

Mfr. Part #
NRCE504J4300B1KO

Mouser Part #
504-NRCE504J4300B1KO

Eaton Electronics

NTC Thermistors NRCE family, 50000 ohm, J Tol., O Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥63.1

¥54.8

¥48.3

¥38.7

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50000 ohm, J Tol., S Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

NRCE504J4300B1KS
Eaton Electronics
1: ¥63.1
2,000In Stock

Mfr. Part #
NRCE504J4300B1KS

Mouser Part #
504-NRCE504J4300B1KS

Eaton Electronics

NTC Thermistors NRCE family, 50000 ohm, J Tol., S Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

Datasheet

2,000In Stock

¥63.1

¥54.8

¥48.3

¥38.7

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50000 ohm, K Tol., O Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

NRCE504K4300B1KO
Eaton Electronics
1: ¥49.8
1,790In Stock

Mfr. Part #
NRCE504K4300B1KO

Mouser Part #
504-NRCE504K4300B1KO

Eaton Electronics

NTC Thermistors NRCE family, 50000 ohm, K Tol., O Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

Datasheet

1,790In Stock

¥49.8

¥43.7

¥38.5

¥30.9

View

Min.: 1
Mult.: 1

NTC Thermistors NRCE family, 50000 ohm, K Tol., S Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

NRCE504K4300B1KS
Eaton Electronics
1: ¥49.8
972In Stock

Mfr. Part #
NRCE504K4300B1KS

Mouser Part #
504-NRCE504K4300B1KS

Eaton Electronics

NTC Thermistors NRCE family, 50000 ohm, K Tol., S Lead, 4300 Beta, K Beta Tol., B1 Beta Def.

Datasheet

972In Stock

¥49.8

¥43.7

¥38.5

¥30.9

View

Min.: 1
Mult.: 1

NTC Thermistors NRG family, 10000 ohm, F Tol., 1 Lug, 3380 Beta, F Beta Tol., B1 Beta Def.

NRG1104F3380B1F
Eaton Electronics
1: ¥174.4
326In Stock

Mfr. Part #
NRG1104F3380B1F

Mouser Part #
504-NRG1104F3380B1F

Eaton Electronics

NTC Thermistors NRG family, 10000 ohm, F Tol., 1 Lug, 3380 Beta, F Beta Tol., B1 Beta Def.

Datasheet

326In Stock

¥174.4

¥165.6

¥155.5

¥148.3

View

Min.: 1
Mult.: 1

NTC Thermistors NRG family, 10000 ohm, F Tol., 1 Lug, 3435 Beta, F Beta Tol., B2 Beta Def.

NRG1104F3435B2F
Eaton Electronics
1: ¥328.9
13In Stock
500Expected 9/16/2026

Mfr. Part #
NRG1104F3435B2F

Mouser Part #
504-NRG1104F3435B2F

Eaton Electronics

NTC Thermistors NRG family, 10000 ohm, F Tol., 1 Lug, 3435 Beta, F Beta Tol., B2 Beta Def.

Datasheet

13In Stock

500Expected 9/16/2026

¥328.9

¥247.5

¥197.7

¥186

View

Min.: 1
Mult.: 1