Audio Transformers / Signal Transformers

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B78476 10/100 Base-T Commercial Magnetics Modules

TDK B78476 SMD 10/100 Base-T Commercial Magnetics Modules are for LAN applications and feature an extended temperature range of -40°C to +85°C and a ferrite toroid with UL 94 V-0 case and potting. The devices offer a 1CT:1CT turns ratio with options of single, dual, or quad ports. The modules are optimized for all major transceiver ICs and come in an industry standard footprint. TDK 10/100 Base-T Magnetics Modules are compliant with IPC/JEDEC J-STD-020C and IEEE 802.3, MSL level 2, and are RoHS Compliant.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Primary Impedance	Secondary Impedance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT B78476A8065A003 TDK 1: 1,66 € 11.124In Stock	Mfr. Part No. B78476A8065A003 Mouser Part No 871-B78476A8065A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	11.124In Stock	Cut Tape 1,66 € 1,51 € 1,40 € 1,34 € Reel 1,24 € View 1,28 € 1,19 € 1,14 € 1,11 € MouseReel Available	Min.: 1 Mult.: 1 : 500	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	12.7 mm	7.11 mm	5.6 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT B78476A8135A003 TDK 1: 3,53 € 647In Stock 2.000Expected 01/01/2027	Mfr. Part No. B78476A8135A003 Mouser Part No 871-B78476A8135A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	647In Stock 2.000Expected 01/01/2027	Cut Tape 3,53 € 3,16 € 2,98 € 2,88 € Reel 2,52 € View 2,80 € 2,61 € 2,43 € 2,42 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	Module	SMD/SMT	100 kHz	350 uH		1 Ohms		- 40 C	+ 85 C	Single	13.8 mm	15.2 mm	5.72 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT B78476A8247A003 TDK 1: 2,06 € 6.257In Stock	Mfr. Part No. B78476A8247A003 Mouser Part No 871-B78476A8247A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	6.257In Stock	Cut Tape 2,06 € 1,87 € 1,74 € 1,63 € Reel 1,41 € View 1,57 € 1,38 € 1,34 € 1,21 € MouseReel Available	Min.: 1 Mult.: 1 : 500	LAN Transformers	Module	SMD/SMT	100 kHz	350 uH	1 Ohms	1 Ohms		- 40 C	+ 85 C	Single	12.7 mm	6.9 mm	5.6 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT POE B78476A8248A003 TDK 1: 2,06 € 2.498In Stock	Mfr. Part No. B78476A8248A003 Mouser Part No 871-B78476A8248A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT POE Learn More about TDK epcos b78476 modules	Datasheet	2.498In Stock	Cut Tape 2,06 € 1,87 € 1,74 € 1,63 € Reel 1,43 € View 1,57 € 1,41 € 1,37 € 1,34 € MouseReel Available	Min.: 1 Mult.: 1 : 500	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	12.7 mm	6.9 mm	5.6 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT B78476A8249A003 TDK 1: 3,53 € 694In Stock	Mfr. Part No. B78476A8249A003 Mouser Part No 871-B78476A8249A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	694In Stock	Cut Tape 3,53 € 3,16 € 3,13 € 3,04 € Reel 2,78 € View 2,94 € 2,69 € 2,35 € 2,28 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	17.6 mm	12.1 mm	5.8 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT B78476A8251A003 TDK 1: 3,53 € 3.761In Stock	Mfr. Part No. B78476A8251A003 Mouser Part No 871-B78476A8251A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	3.761In Stock	Cut Tape 3,53 € 3,16 € 2,98 € 2,88 € Reel 2,58 € View 2,80 € 2,49 € 2,38 € 2,37 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	- 40 C	+ 85 C	Single	17.6 mm	12.1 mm	5.8 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT B78476A8252A003 TDK 1: 5,13 € 453In Stock	Mfr. Part No. B78476A8252A003 Mouser Part No 871-B78476A8252A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT Learn More about TDK epcos b78476 modules	Datasheet	453In Stock	Cut Tape 5,13 € 4,52 € 4,34 € 4,21 € Reel 3,72 € View 3,92 € 3,61 € 3,44 € 3,32 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT		350 uH				- 40 C	+ 85 C	Dual	27.69 mm	7.29 mm	8.41 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT B78476A8317A003 TDK 1: 3,53 € 72In Stock	Mfr. Part No. B78476A8317A003 Mouser Part No 871-B78476A8317A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	72In Stock	Cut Tape 3,53 € 3,16 € 2,98 € 2,88 € Reel 2,58 € View 2,80 € 2,44 € 2,35 € 2,28 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	17.6 mm	12.1 mm	5.8 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT POE B78476A8066A003 TDK 1: 6,76 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8066A003 Mouser Part No 871-B78476A8066A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT POE Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape 6,76 € 5,39 € 5,07 € 4,76 € Reel 4,76 € 4,37 € MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	Module	SMD/SMT		350 uH				0 C	+ 70 C	Dual	27.81 mm	12.19 mm	7.24 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT POE B78476A8245A003 TDK 1: 2,04 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8245A003 Mouser Part No 871-B78476A8245A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT POE Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape 2,04 € 1,84 € 1,69 € 1,60 € Reel 1,43 € View 1,54 € 1,37 € 1,29 € 1,26 € MouseReel Available	Min.: 1 Mult.: 1 : 500	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	28.1 mm	11.9 mm	5.5 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 2-PORT POE B78476A1889A003 TDK 400: 2,01 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A1889A003 Mouser Part No 871-B78476A1889A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 2-PORT POE Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel 2,01 € 1,90 € 1,85 €	Min.: 400 Mult.: 400 : 400	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Dual	12.7 mm	6.9 mm	5.6 mm	B78476A	Reel
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT B78476A7694A003 TDK 1: 2,92 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A7694A003 Mouser Part No 871-B78476A7694A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape 2,92 € 2,49 € 2,36 € 2,28 € Reel 1,87 € View 2,21 € 1,99 € 1,81 € 1,76 € MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	25.4 mm	13.1 mm	6.1 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT B78476A8067A003 TDK 2.000: 1,81 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8067A003 Mouser Part No 871-B78476A8067A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape 1,81 € 1,77 € MouseReel Available	Min.: 2.000 Mult.: 2.000 : 400	LAN Transformers	Module	SMD/SMT		350 uH				0 C	+ 70 C	Single	14.81 mm	11.7 mm	5.15 mm	B78476A	Reel
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT B78476A8068A003 TDK 4.200: 3,47 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8068A003 Mouser Part No 871-B78476A8068A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape 3,47 € MouseReel Available	Min.: 4.200 Mult.: 4.200 : 350	LAN Transformers	Module	SMD/SMT		350 uH				0 C	+ 70 C	Dual	13.64 mm	11.94 mm	6.22 mm	B78476A	Reel
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT POE B78476A8246A003 TDK 300: 3,56 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8246A003 Mouser Part No 871-B78476A8246A3	TDK	Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT POE Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel 3,56 € 3,55 € 3,45 €	Min.: 300 Mult.: 300 : 300	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Quad	27.81 mm	12.19 mm	7.24 mm	B78476A	Reel
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT B78476A8250A003 TDK 1: 5,44 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8250A003 Mouser Part No 871-B78476A8250A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Cut Tape 5,44 € 4,64 € 4,46 € 4,33 € Reel 3,72 € View 4,03 € 3,55 € 3,47 € 3,40 € MouseReel Available	Min.: 1 Mult.: 1 : 350	LAN Transformers	Module	SMD/SMT		350 uH				0 C	+ 70 C	Single	17.6 mm	12.1 mm	5.7 mm	B78476A	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT POE B78476A8253A003 TDK 350: 2,39 € Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. B78476A8253A003 Mouser Part No 871-B78476A8253A3	TDK	Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT POE Learn More about TDK epcos b78476 modules	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel 2,39 € 2,37 € 2,34 €	Min.: 350 Mult.: 350 : 350	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH			1.5 kV	0 C	+ 70 C	Single	17.6 mm	12.1 mm	5.7 mm	B78476A	Reel

B78476 10/100 Base-T Commercial Magnetics Modules

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