Power Transformers - Board Mount

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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Primary Voltage Rating	Secondary Voltage Rating	Power Rating	Secondary Current Rating	Mounting Style	Primary Winding	Secondary Winding	Length	Width	Height	Series
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:2 1W PAD001-T764120S Bourns 1: Rp41.462 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 Rp41.462 Rp37.609 Rp34.490 Rp33.390 Reel Rp29.354 View Rp32.472 Rp32.289 Rp31.005 Rp26.785 MouseReel Available	Min.: 1 Mult.: 1 : 800	Isolation Transformers			1 W		PCB Mount			7.1 mm	6.55 mm	4 mm
Power Transformers - Board Mount Push-Pull Func-Insultn 3.3V 1:1.7 1W PAD001-T764117S Bourns 1: Rp46.782 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 Rp46.782 Rp37.976 Rp32.839 Rp31.922 Reel Rp28.436 View Rp30.821 Rp23.666 MouseReel Available	Min.: 1 Mult.: 1 : 800	Isolation Transformers			1 W		PCB Mount			7.1 mm	6.55 mm	4 mm
Power Transformers - Board Mount CMC,6PIN,SGL,4.3KVDC AEC-Q200 SM91514AL-E Bourns 1: Rp50.085 12.137In Stock 7.000Expected 24/11/2026	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	12.137In Stock 7.000Expected 24/11/2026	Cut Tape Rp50.085 Rp44.764 Rp40.912 Rp39.994 View Reel Rp34.490 Rp38.710 Rp37.426 Rp35.591 Rp34.490 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	BMS Transformers					PCB Mount	Single Primary Winding	Single Secondary Winding	7.62 mm	6.73 mm	5.72 mm	SM91514AL
Power Transformers - Board Mount BMS xformer 1-Ch 1000V AECQ +125 C SM91502ALE Bourns 1: Rp68.431 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 Rp68.431 Rp62.009 Rp57.056 Rp55.221 View Reel Rp46.232 Rp51.002 Rp47.883 Rp46.782 Rp46.415 Rp46.232 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	BMS Transformers					PCB Mount	Single Primary Winding	Single Secondary Winding	7.62 mm	6.73 mm	5.72 mm	SM91502ALE
Power Transformers - Board Mount BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC SM91501ALO-E Bourns 1: Rp75.952 1.773In 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	1.773In Stock	Cut Tape Rp75.952 Rp68.798 Rp64.211 Rp64.028 View Reel Rp47.700 Rp62.009 Rp58.157 Rp57.790 Rp56.506 Rp47.700 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	BMS Transformers					PCB Mount	Single Primary Winding	Single Secondary Winding	14.81 mm	11.68 mm	4.87 mm	SM91501ALO
Power Transformers - Board Mount Push-Pull Func-Insultn 5V 1:1.1 1.5W PAD002-T764111S Bourns 1: Rp37.976 7.035In Stock	Mfr. Part No. PAD002-T764111S Mouser Part No 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 Rp37.976 Rp34.490 Rp32.106 Rp31.188 Reel Rp27.886 View Rp30.271 Rp29.904 Rp27.336 MouseReel Available	Min.: 1 Mult.: 1 : 800	Isolation Transformers			2 W		PCB Mount			7.1 mm	6.55 mm	4 mm
Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200 SM91502ALA-E Bourns 1: Rp43.113 7.852In 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	7.852In Stock	Cut Tape Rp43.113 Rp37.793 Rp34.674 Rp33.757 View Reel Rp27.886 Rp32.472 Rp31.372 Rp30.271 Rp28.987 Rp27.886 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	BMS Transformers					PCB Mount	Single Primary Winding	Single Secondary Winding	7.62 mm	6.73 mm	5.59 mm	SM91501ALA
Power Transformers - Board Mount Push-Pull Func-Insultn 5V 1:1.3 1.5W PAD002-T764113S Bourns 1: Rp38.894 1.070In 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	1.070In Stock 6.400Expected 15/04/2027	Cut Tape Rp38.894 Rp35.224 Rp32.289 Rp31.372 Reel Rp26.785 View Rp30.271 Rp29.721 Rp28.253 Rp26.235 MouseReel Available	Min.: 1 Mult.: 1 : 800	Isolation Transformers			2 W		PCB Mount			7.1 mm	6.55 mm	4 mm
Power Transformers - Board Mount Transformer, Flyback, 17x11x6mm, 25uH BA60951CS Bourns 1: Rp67.330 209In Stock	Mfr. Part No. BA60951CS Mouser Part No 652-BA60951CS	Bourns	Power Transformers - Board Mount Transformer, Flyback, 17x11x6mm, 25uH Learn More about Bourns ba60951cs flyback transformers	Datasheet	209In Stock	Cut Tape Rp67.330 Rp60.909 Rp56.506 Rp54.671 View Reel Rp45.682 Rp53.020 Rp52.653 Rp45.682	Min.: 1 Mult.: 1 : 2.750	Flyback Transformers	7 V to 24 V	15 V	2.25 W	150 mA	PCB Mount	Dual Primary Winding	Dual Secondary Winding	13.6 mm	10.5 mm	5.97 mm	BA60951CS
Power Transformers - Board Mount 6.4 VDC SM91534AL-E Bourns 1: Rp117.231 4.200On Order	Mfr. Part No. SM91534AL-E Mouser Part No 652-SM91534AL-E	Bourns	Power Transformers - Board Mount 6.4 VDC Learn More about Bourns sm91534ala bms signal transformers	Datasheet	4.200On Order On Order Ship Dates Mfr. No: SM91534AL-E Stock: 0 On Order: 2.400 Pending 1.800 Expected 15/02/2027 Factory Lead Time: 18 Weeks	Cut Tape Rp117.231 Rp104.939 Rp102.187 Rp100.353 Reel Rp88.061 View Rp94.849 Rp91.730 Rp85.309 MouseReel Available	Min.: 1 Mult.: 1 : 600	BMS Transformers					SMD/SMT	Single Primary Winding	Single Secondary Winding	28 mm	12.5 mm	8.5 mm

Battery Management System

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