Transformers for Battery Management Systems

Würth Elektronik WE-BMS Transformers are designed to fulfill the requirements in high voltage operation areas for a safe and reliable battery management system (BMS). These transformers feature a common-mode choke to filter noise and electrically isolate the signals, allowing them to support the BMS isolation and EMI noise suppression for a safe and reliable operation. WE-BMS transformers feature a low-profile design and a higher creepage distance that increases the safety and reliability of the system despite the footprint. Würth Elektronik WE-BMS transformers are suitable for solar energy storage, energy storage systems (ESS), and uninterrupted power supplies (UPS).

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Termination Style
Inductance
Minimum Operating Temperature
Maximum Operating Temperature
Number of Channels
Application
Length
Width
Height
Series
Qualification
Packaging
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200
Datasheet
420In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 450

SMT transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel 15.1 mm 14.2 mm 4.75 mm WE-BMS AEC-Q200 Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200
Datasheet
266In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 550

SMT transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel 15.1 mm 14.7 mm 4.75 mm WE-BMS AEC-Q200 Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200
Datasheet
353In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 650

SMT transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel 8.9 mm 7.6 mm 5.5 mm WE-BMS AEC-Q200 Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS BMS 450uH 2Channel 1500V -40/ +125C
Datasheet
960In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

Transformers SMT Transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel Energy Storage systems 24.52 mm 15.45 mm 4.85 mm WE-BMS Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS BMS 2 channels 1500V -40/ +125C
Datasheet
874In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

Transformers SMT Transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel Energy Storage Systems 24.52 mm 15.45 mm 4.85 mm WE-BMS Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS BMS 1 channel 1500V -40 / +125C
Datasheet
1,186In Stock
300Expected 13/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

Transformers SMT Transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel Battery Management 24 mm 12.5 mm 7.3 mm WE-BMS Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200
Datasheet
133In Stock
850Expected 20/2/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 850

SMT transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel 14.3 mm 9.5 mm 3.45 mm WE-BMS AEC-Q200 Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 1Ch -40C/+125C AEC-Q200
Datasheet
1,243Expected 13/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 650

SMT transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel 8.9 mm 7.6 mm 5.5 mm WE-BMS AEC-Q200 Reel, Cut Tape, MouseReel
Wurth Elektronik Audio Transformers / Signal Transformers WE-BMS SMT Transfomr 2Ch -40C/+125CAEC-Q200
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 550

SMT transformer SMD/SMT 450 uH - 40 C + 125 C 1 Channel 15.1 mm 14.2 mm 3.45 mm WE-BMS AEC-Q200 Reel, Cut Tape, MouseReel