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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 (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:2 1W PAD001-T764120S Bourns 1: HK$18.58 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 HK$18.58 HK$16.85 HK$15.45 HK$14.96 Reel HK$13.15 View HK$14.55 HK$14.47 HK$13.89 HK$12.25 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:1.7 1W PAD001-T764117S Bourns 1: HK$20.96 5,227In 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	5,227In Stock	Cut Tape HK$20.96 HK$17.02 HK$14.71 HK$14.30 Reel HK$12.82 View HK$13.81 HK$13.73 HK$11.26 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-100K Bourns 1: HK$28.77 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	HK$28.77 HK$23.67 HK$20.71 HK$18.66 View HK$17.02 HK$16.03 HK$15.21 HK$14.80	Min.: 1 Mult.: 1
Power Inductors - SMD 3.3uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-3R3K Bourns 1: HK$32.80 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	HK$32.80 HK$27.04 HK$24.99 HK$23.18 View HK$21.29 HK$19.23 HK$17.67 HK$17.18 HK$15.86	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Sn CSM2F-8536-L050J21 Bourns 1: HK$517.86 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	HK$517.86 HK$329.95 HK$296.82 HK$281.04 View HK$266.82 HK$264.68	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-220K Bourns 1: HK$30.25 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	HK$30.25 HK$24.91 HK$23.02 HK$21.70 View HK$20.47 HK$18.82 HK$18.00 HK$16.77 HK$15.54	Min.: 1 Mult.: 1
Power Inductors - SMD 33uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-330K Bourns 1: HK$27.13 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	HK$27.13 HK$22.36 HK$19.48 HK$18.50 View HK$16.60 HK$15.37 HK$15.04 HK$13.97	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8536 L050 5% 36W 2P Cu CSM2F-8536-L050J20 Bourns 1: HK$538.25 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	HK$538.25 HK$343.19 HK$308.74 HK$292.22 View HK$277.51 HK$275.21	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS xformer 1-Ch 1000V AECQ +125 C SM91502ALE Bourns 1: HK$30.66 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 HK$30.66 HK$27.78 HK$25.56 HK$24.74 View Reel HK$20.71 HK$22.52 HK$21.95 HK$21.21 HK$20.80 HK$20.71 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P Sn CSM2F-8518-L100J21 Bourns 1: HK$238.96 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	HK$238.96 HK$170.98 HK$152.56 HK$141.06 View HK$140.97 HK$136.53	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 8518 L100 5% 50W 2P PSn CSM2F-8518-L100J22 Bourns 1: HK$229.67 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	HK$229.67 HK$163.50 HK$145.58 HK$135.63 HK$127.90	Min.: 1 Mult.: 1
Power Inductors - SMD 10uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-100K Bourns 1: HK$34.20 917In Stock 1,575Expected 13/1/2027	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	917In Stock 1,575Expected 13/1/2027	HK$34.20 HK$27.29 HK$26.14 HK$25.98 View HK$19.97 HK$19.23 HK$18.66 HK$18.58 HK$18.41	Min.: 1 Mult.: 1
Power Inductors - SMD 22uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-220K Bourns 1: HK$30.50 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	HK$30.50 HK$25.48 HK$23.59 HK$22.19 View HK$20.96 HK$19.32 HK$18.25	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 28A AEC-Q200 GULL WING PQ2617BHA-6R8K Bourns 1: HK$32.80 4,562In 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	4,562In Stock	HK$32.80 HK$27.04 HK$24.99 HK$23.59 View HK$21.95 HK$19.65 HK$18.74 HK$18.25	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC SM91501ALO-E Bourns 1: HK$34.03 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 HK$34.03 HK$30.83 HK$28.77 HK$28.69 View Reel HK$24.74 HK$27.78 HK$26.06 HK$25.32 HK$24.82 HK$24.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 SM91514AL-E Bourns 1: HK$22.44 7,391In Stock 12,000Expected 29/10/2026	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	7,391In Stock 12,000Expected 29/10/2026	Cut Tape HK$22.44 HK$19.81 HK$17.51 HK$17.10 View Reel HK$14.47 HK$16.77 HK$15.95 HK$14.47 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: HK$17.43 1,500In Stock 6,400Expected 15/4/2027	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	1,500In Stock 6,400Expected 15/4/2027	Cut Tape HK$17.43 HK$15.78 HK$14.47 HK$14.06 Reel HK$12.00 View HK$13.56 HK$13.32 HK$12.66 HK$11.75 MouseReel Available	Min.: 1 Mult.: 1 : 800
Power Inductors - SMD 10uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-100K Bourns 1: HK$32.22 1,322In Stock	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	HK$32.22 HK$24.74 HK$23.26 HK$22.69 View HK$20.63 HK$20.47 HK$19.73 HK$18.58 HK$17.76	Min.: 1 Mult.: 1
Power Inductors - SMD 15uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-150K Bourns 1: HK$32.06 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	HK$32.06 HK$26.39 HK$24.41 HK$22.77 View HK$21.13 HK$19.97 HK$18.82 HK$17.76	Min.: 1 Mult.: 1
Power Inductors - SMD 4.7uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-4R7K Bourns 1: HK$30.25 2,264In Stock	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	2,264In Stock	HK$30.25 HK$24.91 HK$23.02 HK$21.70 View HK$20.06 HK$18.91 HK$17.76	Min.: 1 Mult.: 1
Power Inductors - SMD 6.8uH 10% 30A AEC-Q200 GULL WING PQ2614BHA-6R8K Bourns 1: HK$32.06 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	HK$32.06 HK$26.39 HK$24.41 HK$23.02 View HK$21.70 HK$19.15 HK$18.25 HK$17.76	Min.: 1 Mult.: 1
Power Inductors - SMD 2.2uH 10% 30A AEC-Q200 GULL WING PQ2614BLA-2R2K Bourns 1: HK$28.77 983In Stock	Mfr. Part No. PQ2614BLA-2R2K Mouser Part No 652-PQ2614BLA-2R2K	Bourns	Power Inductors - SMD 2.2uH 10% 30A AEC-Q200 GULL WING Learn More about Bourns shielded power inductors	Datasheet	983In Stock	HK$28.77 HK$23.67 HK$20.71 HK$19.07 View HK$16.93 HK$15.95 HK$15.78	Min.: 1 Mult.: 1
Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200 SM91502ALA-E Bourns 1: HK$19.32 8,282In 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	8,282In Stock	Cut Tape HK$19.32 HK$17.18 HK$15.95 HK$15.54 View Reel HK$13.32 HK$15.21 HK$14.71 HK$14.39 HK$13.73 HK$13.32 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Cu CSM2F-6918-L050J20 Bourns 1: HK$232.38 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	HK$232.38 HK$193.58 HK$158.40 HK$158.32 HK$130.37	Min.: 1 Mult.: 1
Current Sense Resistors - SMD ShuntMetric 6918 L050 5% 50W 2P Sn CSM2F-6918-L050J21 Bourns 1: HK$240.60 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	HK$240.60 HK$171.88 HK$168.43 HK$168.35 HK$136.70	Min.: 1 Mult.: 1

Battery Management System

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