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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 (GBP) 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: £20.62 1,008In Stock	Mfr. Part No. CSM2F-8518-L050J20 Mouser Part No 652-CSM2F8518L050J20	Bourns	Current Sense Resistors - SMD ShuntMetric 8518 L050 5% 50W 2P Cu Learn More about Bourns csm2f resistors	Datasheet	1,008In Stock	£20.62 £16.90 £16.89 £14.77	Min.: 1 Mult.: 1
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:1.7 1W PAD001-T764117S Bourns 1: £1.91 5,202In Stock	Mfr. Part No. PAD001-T764117S Mouser Part No 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 £1.91 £1.55 £1.34 £1.31 Reel £1.17 View £1.26 £1.24 £1.03 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-100K Bourns 1: £2.63 1,390In Stock	Mfr. Part No. PQ2614BLA-100K Mouser Part No 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	£2.63 £2.17 £1.89 £1.70 View £1.50 £1.44 £1.35	Min.: 1 Mult.: 1
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:2 1W PAD001-T764120S Bourns 1: £1.69 6,285In Stock	Mfr. Part No. PAD001-T764120S Mouser Part No 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 £1.69 £1.54 £1.41 £1.37 Reel £1.20 View £1.33 £1.32 £1.27 £1.12 MouseReel Available	Min.: 1 Mult.: 1 : 800
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Sn CSM2F-8536-L050J21 Bourns 1: £49.25 84In Stock	Mfr. Part No. CSM2F-8536-L050J21 Mouser Part No 652-CSM2F8536L050J21	Bourns	Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	84In Stock	£49.25 £30.16 £27.14 £25.71 View £24.39 £24.18	Min.: 1 Mult.: 1
Power Inductors - SMD 3.3uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-3R3K Bourns 1: £2.99 533In Stock	Mfr. Part No. PQ2617BHA-3R3K Mouser Part No 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	£2.99 £2.47 £2.28 £2.12 View £2.03 £1.81	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-220K Bourns 1: £2.69 556In Stock	Mfr. Part No. PQ2614BHA-220K Mouser Part No 652-PQ2614BHA-220K	Bourns	Power Inductors - SMD 22uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	556In Stock	£2.69 £2.28 £2.10 £1.98 View £1.87 £1.62 £1.48	Min.: 1 Mult.: 1
Power Inductors - SMD 33uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-330K Bourns 1: £2.48 510In Stock	Mfr. Part No. PQ2614BLA-330K Mouser Part No 652-PQ2614BLA-330K	Bourns	Power Inductors - SMD 33uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	510In Stock	£2.48 £2.04 £1.78 £1.69 View £1.47 £1.41 £1.31	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Cu CSM2F-8536-L050J20 Bourns 1: £50.61 36In Stock	Mfr. Part No. CSM2F-8536-L050J20 Mouser Part No 652-CSM2F8536L050J20	Bourns	Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Cu Learn More about Bourns csm2f resistors	Datasheet	36In Stock	£50.61 £31.38 £28.26 £25.38 View £25.13 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS xformer 1-Ch 1000V AECQ +125 C SM91502ALE Bourns 1: £2.80 11,362In Stock	Mfr. Part No. SM91502ALE Mouser Part No 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 £2.80 £2.54 £2.33 £2.26 View Reel £1.89 £2.09 £1.96 £1.91 £1.90 £1.89 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P Sn CSM2F-8518-L100J21 Bourns 1: £21.83 322In Stock	Mfr. Part No. CSM2F-8518-L100J21 Mouser Part No 652-CSM2F8518L100J21	Bourns	Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	322In Stock	£21.83 £15.62 £13.93 £12.89 View £12.88 £12.47	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P PSn CSM2F-8518-L100J22 Bourns 1: £20.98 1,132In Stock	Mfr. Part No. CSM2F-8518-L100J22 Mouser Part No 652-CSM2F8518L100J22	Bourns	Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P PSn Learn More about Bourns csm2f resistors	Datasheet	1,132In Stock	£20.98 £14.94 £13.30 £12.39 £11.68	Min.: 1 Mult.: 1
Power Inductors - SMD 10uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-100K Bourns 1: £3.13 916In Stock 1,575Expected 30/11/2026	Mfr. Part No. PQ2617BHA-100K Mouser Part No 652-PQ2617BHA-100K	Bourns	Power Inductors - SMD 10uH 10% 28A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	916In Stock 1,575Expected 30/11/2026	£3.13 £2.53 £2.42 £2.37 View £1.82 £1.73 £1.69 £1.68	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-220K Bourns 1: £2.78 3,405In Stock	Mfr. Part No. PQ2617BHA-220K Mouser Part No 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	£2.78 £2.33 £2.16 £2.03 View £1.91 £1.76 £1.67	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-6R8K Bourns 1: £2.99 4,685In Stock	Mfr. Part No. PQ2617BHA-6R8K Mouser Part No 652-PQ2617BHA-6R8K	Bourns	Power Inductors - SMD 6.8uH 10% 28A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	4,685In Stock	£2.99 £2.47 £2.28 £2.16 View £2.01 £1.80 £1.71 £1.67	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC SM91501ALO-E Bourns 1: £3.11 1,774In Stock	Mfr. Part No. SM91501ALO-E Mouser Part No 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 £3.11 £2.82 £2.63 £2.62 View Reel £1.96 £2.54 £2.38 £2.37 £2.31 £1.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 SM91514AL-E Bourns 1: £2.05 7,251In Stock 12,000On Order	Mfr. Part No. SM91514AL-E Mouser Part No 652-SM91514AL-E	Bourns	Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 Learn More about Bourns sm91514al bms transformers	Datasheet	7,251In Stock 12,000On Order	Cut Tape £2.05 £1.83 £1.68 £1.63 View Reel £1.41 £1.58 £1.53 £1.46 £1.41 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: £1.59 1,480In Stock 6,400Expected 15/04/2027	Mfr. Part No. PAD002-T764113S Mouser Part No 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	1,480In Stock 6,400Expected 15/04/2027	Cut Tape £1.59 £1.44 £1.32 £1.28 Reel £1.10 View £1.24 £1.21 £1.15 £1.07 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-100K Bourns 1: £2.94 1,322In Stock 1,800Expected 29/03/2027	Mfr. Part No. PQ2614BHA-100K Mouser Part No 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 1,800Expected 29/03/2027	£2.94 £2.26 £2.12 £2.07 View £1.89 £1.87 £1.80	Min.: 1 Mult.: 1
Power Inductors - SMD 15uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-150K Bourns 1: £2.92 845In Stock	Mfr. Part No. PQ2614BHA-150K Mouser Part No 652-PQ2614BHA-150K	Bourns	Power Inductors - SMD 15uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	845In Stock	£2.92 £2.41 £2.23 £2.08 View £1.93 £1.82 £1.72 £1.62	Min.: 1 Mult.: 1
Power Inductors - SMD 4.7uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-4R7K Bourns 1: £2.76 1,264In Stock 1,200Expected 29/03/2027	Mfr. Part No. PQ2614BHA-4R7K Mouser Part No 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 29/03/2027	£2.76 £2.28 £2.10 £1.98 View £1.83 £1.73 £1.62	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-6R8K Bourns 1: £2.92 739In Stock	Mfr. Part No. PQ2614BHA-6R8K Mouser Part No 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	£2.92 £2.41 £2.23 £2.08 View £1.90 £1.81 £1.69 £1.62	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200 SM91502ALA-E Bourns 1: £1.76 7,931In Stock	Mfr. Part No. SM91502ALA-E Mouser Part No 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	7,931In Stock	Cut Tape £1.76 £1.54 £1.41 £1.37 View Reel £1.13 £1.32 £1.28 £1.25 £1.20 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Cu CSM2F-6918-L050J20 Bourns 1: £21.22 174In Stock	Mfr. Part No. CSM2F-6918-L050J20 Mouser Part No 652-CSM2F6918L050J20	Bourns	Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Cu Learn More about Bourns csm2f resistors	Datasheet	174In Stock	£21.22 £17.68 £14.47 £14.46 £11.91	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Sn CSM2F-6918-L050J21 Bourns 1: £21.97 206In Stock	Mfr. Part No. CSM2F-6918-L050J21 Mouser Part No 652-CSM2F6918L050J21	Bourns	Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Sn Learn More about Bourns csm2f resistors	Datasheet	206In Stock	£21.97 £15.70 £15.38 £15.37 £12.48	Min.: 1 Mult.: 1

Battery Management System

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Battery Management System

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