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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.
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:1.7 1W PAD001-T764117S Bourns 1: $3.32 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 $3.32 $2.69 $2.33 $2.26 Reel $2.02 View $2.18 $1.68 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-100K Bourns 1: $4.55 1,390In Stock	Mfr. Part # PQ2614BLA-100K Mouser Part # 652-PQ2614BLA-100K	Bourns	Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	1,390In Stock	$4.55 $3.74 $3.26 $2.95 View $2.60 $2.50 $2.34	Min.: 1 Mult.: 1
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:2 1W PAD001-T764120S Bourns 1: $2.94 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 $2.94 $2.67 $2.44 $2.37 Reel $2.08 View $2.30 $2.29 $2.20 $1.90 MouseReel Available	Min.: 1 Mult.: 1 : 800
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Sn CSM2F-8536-L050J21 Bourns 1: $85.28 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	$85.28 $52.23 $47.00 $44.51 View $42.24 $41.87	Min.: 1 Mult.: 1
Power Inductors - SMD 3.3uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-3R3K Bourns 1: $5.19 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	$5.19 $4.28 $3.95 $3.67 View $3.37 $2.89 $2.65 $2.51	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-220K Bourns 1: $4.65 556In 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	556In Stock	$4.65 $3.94 $3.64 $3.43 View $3.24 $2.81 $2.46	Min.: 1 Mult.: 1
Power Inductors - SMD 33uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-330K Bourns 1: $4.29 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	$4.29 $3.54 $3.08 $2.93 View $2.54 $2.43 $2.21	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Cu CSM2F-8536-L050J20 Bourns 1: $87.63 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	$87.63 $54.33 $48.93 $43.94 View $43.52 Quote	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8518 L050 5% 50W 2P Cu CSM2F-8518-L050J20 Bourns 1: $35.70 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	$35.70 $29.26 $29.25 $25.58	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS xformer 1-Ch 1000V AECQ +125 C SM91502ALE Bourns 1: $4.85 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 $4.85 $4.39 $4.04 $3.91 View Reel $3.28 $3.56 $3.47 $3.35 $3.29 $3.28 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P Sn CSM2F-8518-L100J21 Bourns 1: $37.79 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	$37.79 $27.04 $24.13 $22.31 View $22.30 $21.59	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P PSn CSM2F-8518-L100J22 Bourns 1: $36.32 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	$36.32 $25.86 $23.02 $21.45 $20.23	Min.: 1 Mult.: 1
Power Inductors - SMD 10uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-100K Bourns 1: $5.41 917In Stock 1,575Expected 11/30/2026	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	917In Stock 1,575Expected 11/30/2026	$5.41 $4.32 $4.13 $4.11 View $3.16 $3.04 $2.95 $2.94 $2.91	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-220K Bourns 1: $4.82 3,405In 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	3,405In Stock	$4.82 $4.03 $3.73 $3.51 View $3.32 $3.06 $2.89	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-6R8K Bourns 1: $5.19 4,687In 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	4,687In Stock	$5.19 $4.28 $3.95 $3.73 View $3.47 $3.11 $2.96 $2.89	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC SM91501ALO-E Bourns 1: $5.38 1,774In 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	1,774In Stock	Cut Tape $5.38 $4.88 $4.55 $4.54 View Reel $3.38 $4.39 $4.12 $4.10 $4.00 $3.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 SM91514AL-E Bourns 1: $3.55 7,351In Stock 12,000Expected 10/29/2026	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	7,351In Stock 12,000Expected 10/29/2026	Cut Tape $3.55 $3.13 $2.77 $2.70 View Reel $2.29 $2.65 $2.52 $2.29 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Power Transformers - Board Mount Push-Pull Func-Insultn 5V 1:1.3 1.5W PAD002-T764113S Bourns 1: $2.76 1,500In Stock 6,400Expected 4/15/2027	Mfr. Part # PAD002-T764113S Mouser Part # 652-PAD002-T764113S	Bourns	Power Transformers - Board Mount Push-Pull Func-Insultn 5V 1:1.3 1.5W Learn More about Bourns pad00x t764	Datasheet	1,500In Stock 6,400Expected 4/15/2027	Cut Tape $2.76 $2.50 $2.29 $2.22 Reel $1.90 View $2.15 $2.11 $2.00 $1.86 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-100K Bourns 1: $5.10 1,322In Stock	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	1,322In Stock	$5.10 $3.91 $3.68 $3.59 View $3.26 $3.24 $3.12 $2.94 $2.81	Min.: 1 Mult.: 1
Power Inductors - SMD 15uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-150K Bourns 1: $5.07 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	$5.07 $4.17 $3.86 $3.60 View $3.34 $3.16 $2.98 $2.81	Min.: 1 Mult.: 1
Power Inductors - SMD 4.7uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-4R7K Bourns 1: $4.78 1,264In Stock	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	$4.78 $3.94 $3.64 $3.43 View $3.17 $2.99 $2.81	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-6R8K Bourns 1: $5.07 739In Stock	Mfr. Part # PQ2614BHA-6R8K Mouser Part # 652-PQ2614BHA-6R8K	Bourns	Power Inductors - SMD 6.8uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	739In Stock	$5.07 $4.17 $3.86 $3.64 View $3.43 $3.03 $2.89 $2.81	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200 SM91502ALA-E Bourns 1: $3.06 8,281In 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	8,281In Stock	Cut Tape $3.06 $2.67 $2.44 $2.38 View Reel $1.95 $2.29 $2.22 $2.16 $2.07 $1.95 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Cu CSM2F-6918-L050J20 Bourns 1: $36.75 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	$36.75 $30.62 $25.05 $25.04 $20.62	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Sn CSM2F-6918-L050J21 Bourns 1: $38.05 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	$38.05 $27.18 $26.64 $26.62 $21.62	Min.: 1 Mult.: 1

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