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Battery Management System

Bourns Battery Management Systems (BMS) manage the state of health (SoC) while charging and discharging battery systems. BMS components feature shunt resistors, high-voltage signals, power transformers, and shielded power inductors. Current sense resistors are AEC-Q200 qualified with a continuous current of 1000A and a low 50µΩ resistance. Bourns signal transformers include common-mode chokes for noise rejection for BMS applications. The shielded power inductors and high creepage high clearance (HCT) transformers are suitable for automotive power conversion, DC-DC converters, power supplies, and communication electronics.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Current Sense Resistors - SMD ShuntMetric 8518 L050 5% 50W 2P Cu CSM2F-8518-L050J20 Bourns 1: $27.68 A tariff of 8% may be applied if shipping to the United States. 1,008In Stock	Mfr. Part # CSM2F-8518-L050J20 Mouser Part # 652-CSM2F8518L050J20	Bourns	Current Sense Resistors - SMD ShuntMetric 8518 L050 5% 50W 2P Cu Learn More about Bourns csm2f resistors	Datasheet	1,008In Stock	$27.68 $20.04 $17.87 $16.52 View $15.53 $15.01 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:2 1W PAD001-T764120S Bourns 1: $2.26 A tariff of 21% may be applied if shipping to the United States. 6,285In Stock	Mfr. Part # PAD001-T764120S Mouser Part # 652-PAD001-T764120S	Bourns	Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:2 1W Learn More about Bourns pad00x t764	Datasheet	6,285In Stock	Cut Tape $2.26 $2.05 $1.88 $1.82 Reel $1.60 View $1.77 $1.76 $1.69 $1.49 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 800
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Sn CSM2F-8536-L050J21 Bourns 1: $62.82 A tariff of 8% may be applied if shipping to the United States. 84In Stock	Mfr. Part # CSM2F-8536-L050J21 Mouser Part # 652-CSM2F8536L050J21	Bourns	Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	84In Stock	$62.82 $40.14 $36.11 $34.19 View $32.46 $32.20 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 3.3uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-3R3K Bourns 1: $4.30 A tariff of 21% may be applied if shipping to the United States. 533In Stock	Mfr. Part # PQ2617BHA-3R3K Mouser Part # 652-PQ2617BHA-3R3K	Bourns	Power Inductors - SMD 3.3uH 10% 28A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	533In Stock	$4.30 $3.59 $3.28 $2.81 View $2.58 $2.50 $2.34 $2.26 $2.22 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:1.7 1W PAD001-T764117S Bourns 1: $2.55 A tariff of 21% may be applied if shipping to the United States. 5,202In Stock	Mfr. Part # PAD001-T764117S Mouser Part # 652-PAD001-T764117S	Bourns	Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:1.7 1W Learn More about Bourns pad00x t764	Datasheet	5,202In Stock	Cut Tape $2.55 $2.07 $1.79 $1.74 Reel $1.56 View $1.68 $1.65 $1.37 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 22uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-220K Bourns 1: $3.68 A tariff of 21% may be applied if shipping to the United States. 554In Stock	Mfr. Part # PQ2614BHA-220K Mouser Part # 652-PQ2614BHA-220K	Bourns	Power Inductors - SMD 22uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	554In Stock	$3.68 $3.03 $2.80 $2.64 View $2.49 $2.29 $2.19 $2.04 $1.89 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 33uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-330K Bourns 1: $3.30 A tariff of 21% may be applied if shipping to the United States. 510In Stock	Mfr. Part # PQ2614BLA-330K Mouser Part # 652-PQ2614BLA-330K	Bourns	Power Inductors - SMD 33uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	510In Stock	$3.30 $2.72 $2.37 $2.25 View $2.02 $1.87 $1.83 $1.70 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Cu CSM2F-8536-L050J20 Bourns 1: $65.24 A tariff of 8% may be applied if shipping to the United States. 36In Stock	Mfr. Part # CSM2F-8536-L050J20 Mouser Part # 652-CSM2F8536L050J20	Bourns	Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Cu Learn More about Bourns csm2f resistors	Datasheet	36In Stock	$65.24 $41.75 $37.56 $35.60 $33.48 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 SM91514AL-E Bourns 1: $2.73 A tariff of 21% may be applied if shipping to the United States. 12,177In Stock 7,000Expected 11/24/2026	Mfr. Part # SM91514AL-E Mouser Part # 652-SM91514AL-E	Bourns	Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 Learn More about Bourns sm91514al bms transformers	Datasheet	12,177In Stock 7,000Expected 11/24/2026	Cut Tape $2.73 $2.44 $2.23 $2.18 View Reel $1.88 $2.11 $2.04 $1.94 $1.88 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Power Transformers - Board Mount BMS xformer 1-Ch 1000V AECQ +125 C SM91502ALE Bourns 1: $3.73 A tariff of 21% may be applied if shipping to the United States. 11,362In Stock	Mfr. Part # SM91502ALE Mouser Part # 652-SM91502ALE	Bourns	Power Transformers - Board Mount BMS xformer 1-Ch 1000V AECQ +125 C Learn More about Bourns bms transformers	Datasheet	11,362In Stock	Cut Tape $3.73 $3.38 $3.11 $3.01 View Reel $2.52 $2.78 $2.61 $2.55 $2.53 $2.52 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P Sn CSM2F-8518-L100J21 Bourns 1: $29.07 A tariff of 8% may be applied if shipping to the United States. 322In Stock	Mfr. Part # CSM2F-8518-L100J21 Mouser Part # 652-CSM2F8518L100J21	Bourns	Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	322In Stock	$29.07 $20.80 $18.56 $17.16 View $17.15 $16.61 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P PSn CSM2F-8518-L100J22 Bourns 1: $27.94 A tariff of 8% may be applied if shipping to the United States. 1,132In Stock	Mfr. Part # CSM2F-8518-L100J22 Mouser Part # 652-CSM2F8518L100J22	Bourns	Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P PSn Learn More about Bourns csm2f resistors	Datasheet	1,132In Stock	$27.94 $19.89 $17.71 $16.50 $15.56 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 10uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-100K Bourns 1: $4.16 A tariff of 21% may be applied if shipping to the United States. 2,241In Stock	Mfr. Part # PQ2617BHA-100K Mouser Part # 652-PQ2617BHA-100K	Bourns	Power Inductors - SMD 10uH 10% 28A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	2,241In Stock	$4.16 $3.37 $3.22 $3.16 View $2.42 $2.30 $2.25 $2.24 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-220K Bourns 1: $3.71 A tariff of 21% may be applied if shipping to the United States. 2,880In Stock	Mfr. Part # PQ2617BHA-220K Mouser Part # 652-PQ2617BHA-220K	Bourns	Power Inductors - SMD 22uH 10% 28A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	2,880In Stock	$3.71 $3.10 $2.87 $2.70 View $2.55 $2.35 $2.22 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-6R8K Bourns 1: $3.99 A tariff of 21% may be applied if shipping to the United States. 4,682In Stock	Mfr. Part # PQ2617BHA-6R8K Mouser Part # 652-PQ2617BHA-6R8K	Bourns	Power Inductors - SMD 6.8uH 10% 28A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	4,682In Stock	$3.99 $3.29 $3.04 $2.87 View $2.67 $2.39 $2.28 $2.22 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC SM91501ALO-E Bourns 1: $4.14 A tariff of 21% may be applied if shipping to the United States. 1,773In Stock	Mfr. Part # SM91501ALO-E Mouser Part # 652-SM91501ALO-E	Bourns	Power Transformers - Board Mount BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC Learn More about Bourns sm91501alo bms transformers	Datasheet	1,773In Stock	Cut Tape $4.14 $3.75 $3.50 $3.49 View Reel $2.60 $3.38 $3.17 $3.15 $3.08 $2.60 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,000
Power Transformers - Board Mount Push-Pull Func-Insultn 5V 1:1.1 1.5W PAD002-T764111S Bourns 1: $2.07 A tariff of 21% may be applied if shipping to the United States. 7,035In Stock	Mfr. Part # PAD002-T764111S Mouser Part # 652-PAD002-T764111S	Bourns	Power Transformers - Board Mount Push-Pull Func-Insultn 5V 1:1.1 1.5W Learn More about Bourns pad00x t764	Datasheet	7,035In Stock	Cut Tape $2.07 $1.88 $1.75 $1.70 Reel $1.52 View $1.65 $1.63 $1.49 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-100K Bourns 1: $3.92 A tariff of 21% may be applied if shipping to the United States. 1,180In Stock 1,800Expected 3/29/2027	Mfr. Part # PQ2614BHA-100K Mouser Part # 652-PQ2614BHA-100K	Bourns	Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	1,180In Stock 1,800Expected 3/29/2027	$3.92 $3.01 $2.83 $2.76 View $2.51 $2.49 $2.39 $2.26 $2.16 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 15uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-150K Bourns 1: $3.90 A tariff of 21% may be applied if shipping to the United States. 845In Stock	Mfr. Part # PQ2614BHA-150K Mouser Part # 652-PQ2614BHA-150K	Bourns	Power Inductors - SMD 15uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	845In Stock	$3.90 $3.21 $2.97 $2.77 View $2.57 $2.43 $2.29 $2.16 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Inductors - SMD 4.7uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-4R7K Bourns 1: $3.68 A tariff of 21% may be applied if shipping to the United States. 1,264In Stock 1,200Expected 3/29/2027	Mfr. Part # PQ2614BHA-4R7K Mouser Part # 652-PQ2614BHA-4R7K	Bourns	Power Inductors - SMD 4.7uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	1,264In Stock 1,200Expected 3/29/2027	$3.68 $3.03 $2.80 $2.64 View $2.44 $2.30 $2.16 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200 SM91502ALA-E Bourns 1: $2.35 A tariff of 21% may be applied if shipping to the United States. 7,902In Stock	Mfr. Part # SM91502ALA-E Mouser Part # 652-SM91502ALA-E	Bourns	Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200 Learn More about Bourns sm91502ala bms signal transformers	Datasheet	7,902In Stock	Cut Tape $2.35 $2.06 $1.89 $1.84 View Reel $1.52 $1.77 $1.71 $1.65 $1.58 $1.52 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Cu CSM2F-6918-L050J20 Bourns 1: $28.27 A tariff of 8% may be applied if shipping to the United States. 174In Stock	Mfr. Part # CSM2F-6918-L050J20 Mouser Part # 652-CSM2F6918L050J20	Bourns	Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Cu Learn More about Bourns csm2f resistors	Datasheet	174In Stock	$28.27 $23.55 $19.27 $19.26 $15.86 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Sn CSM2F-6918-L050J21 Bourns 1: $29.27 A tariff of 8% may be applied if shipping to the United States. 206In Stock	Mfr. Part # CSM2F-6918-L050J21 Mouser Part # 652-CSM2F6918L050J21	Bourns	Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	206In Stock	$29.27 $20.91 $20.49 $20.48 $16.63 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P PSn CSM2F-6918-L050J22 Bourns 1: $27.94 A tariff of 8% may be applied if shipping to the United States. 190In Stock	Mfr. Part # CSM2F-6918-L050J22 Mouser Part # 652-CSM2F6918L050J22	Bourns	Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P PSn Learn More about Bourns csm2f resistors	Datasheet	190In Stock	$27.94 $19.89 $18.97 $18.96 $15.24 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 7036 L050 5% 36W 2P Sn CSM2F-7036-L050J21 Bourns 1: $39.89 A tariff of 8% may be applied if shipping to the United States. 114In Stock	Mfr. Part # CSM2F-7036-L050J21 Mouser Part # 652-CSM2F7036L050J21	Bourns	Current Sense Resistors - SMD ShuntMetric 7036 L050 5% 36W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	114In Stock	$39.89 $28.81 $25.82 $25.50 View $24.86 $23.53 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1

Battery Management System

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