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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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Primary Voltage Rating
Secondary Voltage Rating
Power Rating
Secondary Current Rating
Mounting Style
Primary Winding
Secondary Winding
Length
Width
Height
Series
Bourns Power Transformers Transformer, Flyback, 17x11x6mm, 25uH
Datasheet
824In Stock
Min.: 1
Mult.: 1
Reel: 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
Bourns Power Transformers Push-Pull Func-Insultn 5V 1:1.1 1.5W
Datasheet
3,648In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Isolation Transformers 2 W PCB Mount 7.1 mm 6.55 mm 4 mm
Bourns Power Transformers Push-Pull Func-Insultn 3.3V 1:2 1W
Datasheet
6,468In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Isolation Transformers 1 W PCB Mount 7.1 mm 6.55 mm 4 mm
Bourns Power Transformers Push-Pull Func-Insultn 5V 1:1.3 1.5W
Datasheet
5,512In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Isolation Transformers 2 W PCB Mount 7.1 mm 6.55 mm 4 mm
Bourns Power Transformers Push-Pull Func-Insultn 3.3V 1:1.7 1W
Datasheet
5,326In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 800

Isolation Transformers 1 W PCB Mount 7.1 mm 6.55 mm 4 mm
Bourns Power Transformers 6.4 VDC
Datasheet
1,908In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 600

BMS Transformers SMD/SMT Single Primary Winding Single Secondary Winding 28 mm 12.5 mm 8.5 mm
Bourns Power Transformers BMS xformer 1-Ch 1000V AECQ +125 C
Datasheet
23,667In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

BMS Transformers PCB Mount Single Primary Winding Single Secondary Winding 7.62 mm 6.73 mm 5.72 mm SM91502ALE
Bourns Power Transformers BMS Transformer/CMC, 12PIN, DUAL, 4.3k VDC
Datasheet
2,041In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

BMS Transformers PCB Mount Single Primary Winding Single Secondary Winding 14.81 mm 11.68 mm 4.87 mm SM91501ALO
Bourns Power Transformers CMC,6PIN,SGL,4.3KVDC AEC-Q200
Datasheet
5,060In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

BMS Transformers PCB Mount Single Primary Winding Single Secondary Winding 7.62 mm 6.73 mm 5.72 mm SM91514AL
Bourns Power Transformers BMS Transformer/CMC, 6PIN, SGL, 4.3k VDC AEC-Q200
Datasheet
7,641In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

BMS Transformers PCB Mount Single Primary Winding Single Secondary Winding 7.62 mm 6.73 mm 5.59 mm SM91501ALA