Audio Transformers / Signal Transformers

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BMS Isolation Transformers & Common Mode Chokes

Pulse Electronics Isolation Transformers and Common Mode Chokes are a full line of solutions for battery management systems (BMS) for small to large battery pack systems. These BMS components serve serial port safety isolation and electromagnetic interference (EMI) noise rejection applications. These components are critical in large battery pack applications with daisy chain connections. With a high number of cells connected in series, large voltage differences demand component-to-component isolation. These BMS components have multiple package options available and can be customized for specific application requirements. Typical applications include electric vehicles, energy storage, marine, and aviation transportation.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Termination Style	Inductance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Length	Width	Height	Series	Qualification	Packaging
Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 HM1238NL Pulse Electronics 1: $3.44 802In Stock	Mfr. Part No. HM1238NL Mouser Part No 673-HM1238NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	802In Stock	$3.44 $3.23 $3.21 $3.11 View $3.04 $2.93 $2.90	Min.: 1 Mult.: 1	Signal Transformers	SMD/SMT	300 uH	4.3 kV	- 40 C	+ 150 C	Single	8.38 mm	7.69 mm	4.25 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers 150-450uH 1500V AEC-Q200 HM2171HLT Pulse Electronics 1: $4.43 1,426In Stock	Mfr. Part No. HM2171HLT Mouser Part No 673-HM2171HLT	Pulse Electronics	Audio Transformers / Signal Transformers 150-450uH 1500V AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	1,426In Stock	Cut Tape $4.43 $4.00 $3.64 $3.52 View Reel $2.59 $3.41 $3.27 $3.14 $2.59 MouseReel Available	Min.: 1 Mult.: 1 : 1,000			150 uH to 450 uH	4300 Vrms	- 40 C	+ 125 C	2 Channel	14.81 mm	11.68 mm	4.88 mm	BMS	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 HM1236NL Pulse Electronics 1: $4.09 296In Stock	Mfr. Part No. HM1236NL Mouser Part No 673-HM1236NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	296In Stock	$4.09 $3.93 $3.87 $3.80 View $3.33 $3.04	Min.: 1 Mult.: 1	Signal Transformers	SMD/SMT	500 uH	3.2 kV	- 40 C	+ 125 C	Single	8.64 mm	8.38 mm	4.06 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 HM2108NL Pulse Electronics 1: $4.87 637In Stock	Mfr. Part No. HM2108NL Mouser Part No 673-HM2108NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	637In Stock	$4.87 $4.27 $3.61 $3.50 View $3.43 $3.40 $3.04 $3.00	Min.: 1 Mult.: 1	Signal Transformers	SMD/SMT	150 uH	4.3 kV	- 40 C	+ 125 C	1 Channel	7.62 mm	6.73 mm	5.72 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers 500uH 1500V AEC-Q200 HM2147NLT Pulse Electronics 1: $3.47 1,800Expected 2026/12/14	Mfr. Part No. HM2147NLT Mouser Part No 673-HM2147NLT	Pulse Electronics	Audio Transformers / Signal Transformers 500uH 1500V AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	1,800Expected 2026/12/14	Cut Tape $3.47 $3.13 $2.87 $2.73 Reel $2.12 View $2.71 $2.52 $2.08 $2.05 MouseReel Available	Min.: 1 Mult.: 1 : 900		SMD/SMT	500 uH	4300 Vrms	- 40 C	+ 125 C	1 Channel	12.15 mm	9 mm	3.2 mm	BMS	AEC-Q200	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers MDL SIN XFMR AEC-Q200 HM2106NL Pulse Electronics 1: $4.00 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. HM2106NL Mouser Part No 673-HM2106NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	Non-Stocked Lead-Time 9 Weeks	$4.00 $3.62 $3.24 $3.12 View $3.04 $2.79 $2.54 $2.47 $2.45	Min.: 1 Mult.: 1	Signal Transformers	SMD/SMT	150 uH	4.6 kV	- 40 C	+ 125 C	1 Channel	7.62 mm	6.73 mm	5.72 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers 150uH 1KV AEC-Q200 HM2146NL Pulse Electronics 1: $3.80 Lead-Time 9 Weeks	Mfr. Part No. HM2146NL Mouser Part No 673-HM2146NL	Pulse Electronics	Audio Transformers / Signal Transformers 150uH 1KV AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	Lead-Time 9 Weeks	$3.80 $3.44 $3.20 $3.09 View $2.98 $2.95 $2.54 $2.36 $2.33	Min.: 1 Mult.: 1		SMD/SMT	150 uH	3000 Vrms	- 40 C	+ 125 C	1 Channel	12.15 mm	9 mm	3.2 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers 150uH 1KV AEC-Q200 HM2146NLT Pulse Electronics 1,800: $2.06 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. HM2146NLT Mouser Part No 673-HM2146NLT	Pulse Electronics	Audio Transformers / Signal Transformers 150uH 1KV AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	Non-Stocked Lead-Time 9 Weeks	Cut Tape $2.06 $2.04	Min.: 1,800 Mult.: 900 : 900		SMD/SMT	150 uH	3000 Vrms	- 40 C	+ 125 C	1 Channel	12.15 mm	9 mm	3.2 mm	BMS	AEC-Q200	Reel
Audio Transformers / Signal Transformers 500uH 1500V AEC-Q200 HM2147NL Pulse Electronics 1: $3.80 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. HM2147NL Mouser Part No 673-HM2147NL	Pulse Electronics	Audio Transformers / Signal Transformers 500uH 1500V AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	Non-Stocked Lead-Time 14 Weeks	$3.80 $3.44 $3.20 $3.09 View $2.98 $2.95 $2.54 $2.38 $2.36	Min.: 1 Mult.: 1		SMD/SMT	500 uH	4300 Vrms	- 40 C	+ 125 C	1 Channel	12.15 mm	9 mm	3.2 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers 150-450uH 1500V AEC-Q200 HM2171HL Pulse Electronics 700: $4.45 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. HM2171HL Mouser Part No 673-HM2171HL	Pulse Electronics	Audio Transformers / Signal Transformers 150-450uH 1500V AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	Non-Stocked Lead-Time 16 Weeks	$4.45 $4.35 $4.27	Min.: 700 Mult.: 35			150 uH to 450 uH	4300 Vrms	- 40 C	+ 125 C	2 Channel	14.81 mm	11.68 mm	4.88 mm	BMS	AEC-Q200	Tube

BMS Isolation Transformers & Common Mode Chokes

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