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PoE - Power over Ethernet Applications & Solutions

TDK PoE - Power over Ethernet Applications and Solutions feature TDK's expanded line of ALT series SMD pulse transformers to be used in combination with ACM and MCZ series common-mode filters. These are used in various PoE applications that are compatible with 1G/2.5G/5G/10GBASE-T, 10/100/1000BASE-T, and PoE+ (600mA) standards. PoE is a technology that allows electrical power and data transmission to be carried simultaneously through a single cable versus through a separate power cord and network cable. PoE reduces the number of cables and wires necessary for installation and allows for design flexibility, as device placement no longer relies on the availability of an electrical outlet. PoE is capable of supporting higher transmission speeds while still providing outstanding reliability and meeting compact design targets. TDK PoE - Power over Ethernet Applications and Solutions allow for greater scalability as the number of connected devices and LAN interfaces on each device continues to grow and more electronic components are used in servers and routers, as well as in other network and communication devices.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors 0402 10K 1% B-3455 NTC B57230V2103F260 TDK 1: £0.083 33,990In Stock 30,000Expected 21/06/2027	Mfr. Part No. B57230V2103F260 Mouser Part No 871-B57230V2103F260	TDK	NTC (Negative Temperature Coefficient) Thermistors 0402 10K 1% B-3455 NTC Learn More about TDK b572xv2 ntc thermistors	Datasheet	33,990In Stock 30,000Expected 21/06/2027	Cut Tape £0.083 £0.072 £0.062 £0.058 View Reel £0.039 £0.052 £0.05 £0.045 £0.039 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC (Negative Temperature Coefficient) Thermistors 0603 10K 1% B-3455 NTC B57330V2103F260 TDK 1: £0.135 78,833In Stock 228,000On Order	Mfr. Part No. B57330V2103F260 Mouser Part No 871-B57330V2103F260	TDK	NTC (Negative Temperature Coefficient) Thermistors 0603 10K 1% B-3455 NTC Learn More about TDK b573xv2 ntc thermistors	Datasheet	78,833In Stock 228,000On Order On Order Ship Dates Mfr. No: B57330V2103F260 Stock: 78,833 Can Dispatch Immediately On Order: 100,000 Expected 10/05/2027 128,000 Expected 03/08/2027 Factory Lead Time: 12 Weeks	Cut Tape £0.135 £0.114 £0.10 £0.08 Reel £0.06 View £0.07 £0.067 £0.058 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 1210 65V 126A 1200pF B72530T6500K062 TDK 1: £0.736 3,889In Stock	Mfr. Part No. B72530T6500K062 Mouser Part No 871-B72530T6500K062	TDK	Varistors 1210 65V 126A 1200pF Learn More about TDK ctvs varistors	Datasheet	3,889In Stock	Cut Tape £0.736 £0.475 £0.417 £0.395 Reel £0.395 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 2220 50V 800A 1000pF B72540T0500K062 TDK 1: £1.39 10,667In Stock	Mfr. Part No. B72540T0500K062 Mouser Part No 871-B72540T0500K062	TDK	Varistors 2220 50V 800A 1000pF Learn More about TDK ctvs varistors	Datasheet	10,667In Stock	Cut Tape £1.39 £0.934 £0.826 £0.78 Reel £0.713 View £0.748 £0.701 £0.691 £0.686 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors CT2220K40G B72540T0400K062 TDK 1: £1.07 5,586In Stock	Mfr. Part No. B72540T0400K062 Mouser Part No 871-B72540T400K62	TDK	Varistors CT2220K40G Learn More about TDK ctvs varistors	Datasheet	5,586In Stock	Cut Tape £1.07 £0.706 £0.626 £0.615 Reel £0.615 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors High Surge MLV Max Op VRMS 30 B72540T6300K062 TDK 1: £2.58 2,009In Stock	Mfr. Part No. B72540T6300K062 Mouser Part No 871-B72540T6300K62	TDK	Varistors High Surge MLV Max Op VRMS 30 Learn More about TDK ctvs varistors	Datasheet	2,009In Stock	Cut Tape £2.58 £1.94 £1.77 £1.60 Reel £1.52 View £1.54 £1.48 £1.43 £1.40 MouseReel Available	Min.: 1 Mult.: 1 : 600
Varistors 1812 35V 500A 1200pF B72580T0350K062 TDK 1: £0.638 5,385In Stock	Mfr. Part No. B72580T0350K062 Mouser Part No 871-B72580T0350K062	TDK	Varistors 1812 35V 500A 1200pF Learn More about TDK ctvs varistors	Datasheet	5,385In Stock	Cut Tape £0.638 £0.409 £0.333 £0.32 Reel £0.319 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 40 VAC 56 VDC 500A PK B72580T0400K062 TDK 1: £0.78 11,908In Stock	Mfr. Part No. B72580T0400K062 Mouser Part No 871-B72580T400K62	TDK	Varistors 40 VAC 56 VDC 500A PK Learn More about TDK ctvs varistors	Datasheet	11,908In Stock	Cut Tape £0.78 £0.505 £0.416 £0.37 Reel £0.319 View £0.314 £0.275 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT B78476A8065A003 TDK 1: £1.45 10,207In 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	10,207In Stock	Cut Tape £1.45 £1.32 £1.22 £1.19 Reel £1.08 View £1.14 £1.05 £1.00 £0.995 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT B78476A8135A003 TDK 1: £3.08 997In Stock 1,650Expected 26/11/2026	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	997In Stock 1,650Expected 26/11/2026	Cut Tape £3.08 £2.78 £2.60 £2.51 Reel £2.28 View £2.37 £2.18 £2.16 MouseReel Available	Min.: 1 Mult.: 1 : 400
Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT B78476A8247A003 TDK 1: £1.80 6,236In 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	6,236In Stock	Cut Tape £1.80 £1.63 £1.52 £1.48 Reel £1.36 View £1.41 £1.29 £1.27 £1.23 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT B78476A8249A003 TDK 1: £3.08 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 £3.08 £2.78 £2.73 £2.57 Reel £2.43 View £2.35 £2.17 £2.08 £2.02 MouseReel Available	Min.: 1 Mult.: 1 : 350
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT B78476A8251A003 TDK 1: £3.08 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 £3.08 £2.78 £2.60 £2.51 Reel £2.38 View £2.30 £2.17 £2.08 MouseReel Available	Min.: 1 Mult.: 1 : 350
Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT B78476A8252A003 TDK 1: £4.48 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 £4.48 £4.05 £3.88 £3.76 Reel £3.45 View £3.64 £3.33 £3.20 £3.03 MouseReel Available	Min.: 1 Mult.: 1 : 350
Power Inductors - SMD 22uH 20% 78.94mOhms AEC-Q200 SPM10040T-220M-HZ TDK 1: £1.67 350In Stock NRND	Mfr. Part No. SPM10040T-220M-HZ Mouser Part No 810-SPM10040T-220HZ NRND	TDK	Power Inductors - SMD 22uH 20% 78.94mOhms AEC-Q200 Learn More about TDK spm hz power inductors	Datasheet	350In Stock	Cut Tape £1.67 £1.42 £1.25 £0.995 Reel £0.818 View £0.943 £0.751 £0.715 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Inductors - SMD 4.7uH 20% 14.06mOhms AEC-Q200 SPM10040T-4R7M-HZ TDK 1: £1.48 149In Stock NRND	Mfr. Part No. SPM10040T-4R7M-HZ Mouser Part No 810-SPM10040T-4R7HZ NRND	TDK	Power Inductors - SMD 4.7uH 20% 14.06mOhms AEC-Q200 Learn More about TDK spm hz power inductors	Datasheet	149In Stock	Cut Tape £1.48 £1.26 £1.10 £0.978 Reel £0.818 View £0.943 £0.751 £0.715 MouseReel Available	Min.: 1 Mult.: 1 : 500
Power Inductors - SMD 100uH +/-20% AECQ200 -55 to +150C CLF5030NIT-101M-D TDK 1: £0.586 4,167In Stock	Mfr. Part No. CLF5030NIT-101M-D Mouser Part No 810-CLF5030NIT101MD	TDK	Power Inductors - SMD 100uH +/-20% AECQ200 -55 to +150C Learn More about TDK CLF NI D inductors	Datasheet	4,167In Stock	Cut Tape £0.586 £0.482 £0.421 £0.397 Reel £0.298 View £0.368 £0.346 £0.327 £0.29	Min.: 1 Mult.: 1 : 2,000
Power Inductors - SMD 1.0uH +/-30% AECQ200 -55 to +150C CLF5030NIT-1R0N-D TDK 1: £0.586 12,495In Stock	Mfr. Part No. CLF5030NIT-1R0N-D Mouser Part No 810-CLF5030NIT1R0ND	TDK	Power Inductors - SMD 1.0uH +/-30% AECQ200 -55 to +150C Learn More about TDK CLF NI D inductors	Datasheet	12,495In Stock	Cut Tape £0.586 £0.482 £0.421 £0.397 Reel £0.327 View £0.368 £0.346 £0.335 £0.317	Min.: 1 Mult.: 1 : 2,000
Power Inductors - SMD 22uH +/-20% AECQ200 -55 to +150C CLF5030NIT-220M-D TDK 1: £0.623 7,451In Stock	Mfr. Part No. CLF5030NIT-220M-D Mouser Part No 810-CLF5030NIT220MD	TDK	Power Inductors - SMD 22uH +/-20% AECQ200 -55 to +150C Learn More about TDK CLF NI D inductors	Datasheet	7,451In Stock	Cut Tape £0.623 £0.512 £0.446 £0.418 Reel £0.299 View £0.388 £0.355 £0.331 £0.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Power Inductors - SMD 47uH +/-20% AECQ200 -55 to +150C CLF5030NIT-470M-D TDK 1: £0.586 6,242In Stock	Mfr. Part No. CLF5030NIT-470M-D Mouser Part No 810-CLF5030NIT470MD	TDK	Power Inductors - SMD 47uH +/-20% AECQ200 -55 to +150C Learn More about TDK CLF NI D inductors	Datasheet	6,242In Stock	Cut Tape £0.586 £0.482 £0.421 £0.397 Reel £0.298 View £0.368 £0.346 £0.327 £0.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Power Inductors - SMD 10uH 0.035ohms 2.1A 20% AEC-Q200 CLF6045NIT-100M-D TDK 1: £0.638 28,186In Stock	Mfr. Part No. CLF6045NIT-100M-D Mouser Part No 810-CLF6045NIT100MD	TDK	Power Inductors - SMD 10uH 0.035ohms 2.1A 20% AEC-Q200 Learn More about TDK CLF NI D inductors	Datasheet	28,186In Stock	Cut Tape £0.638 £0.526 £0.458 £0.432 Reel £0.342 View £0.40 £0.377 £0.313 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Inductors - SMD 22uH 0.075ohms 1.4A 20% AEC-Q200 CLF6045NIT-220M-D TDK 1: £0.638 15,697In Stock	Mfr. Part No. CLF6045NIT-220M-D Mouser Part No 810-CLF6045NIT220MD	TDK	Power Inductors - SMD 22uH 0.075ohms 1.4A 20% AEC-Q200 Learn More about TDK CLF NI D inductors	Datasheet	15,697In Stock	Cut Tape £0.638 £0.526 £0.458 £0.432 Reel £0.346 View £0.40 £0.377 £0.314 £0.309 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Inductors - SMD 33uH 0.1ohms 1.1A 20% AEC-Q200 CLF6045NIT-330M-D TDK 1: £0.661 3,979In Stock	Mfr. Part No. CLF6045NIT-330M-D Mouser Part No 810-CLF6045NIT330MD	TDK	Power Inductors - SMD 33uH 0.1ohms 1.1A 20% AEC-Q200 Learn More about TDK CLF NI D inductors	Datasheet	3,979In Stock	Cut Tape £0.661 £0.545 £0.476 £0.448 Reel £0.368 View £0.416 £0.391 £0.335 £0.321 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Inductors - SMD 330uH 0.92ohms 0.36A 20% AEC-Q200 CLF6045NIT-331M-D TDK 1: £0.638 4,172In Stock 2,000Expected 07/12/2026	Mfr. Part No. CLF6045NIT-331M-D Mouser Part No 810-CLF6045NIT331MD	TDK	Power Inductors - SMD 330uH 0.92ohms 0.36A 20% AEC-Q200 Learn More about TDK CLF NI D inductors	Datasheet	4,172In Stock 2,000Expected 07/12/2026	Cut Tape £0.638 £0.526 £0.458 £0.432 Reel £0.366 View £0.40 £0.377 £0.333 £0.32 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Power Inductors - SMD 3.3uH 0.019ohms 3.5A 30% AEC-Q200 CLF6045NIT-3R3N-D TDK 1: £0.638 10,004In Stock	Mfr. Part No. CLF6045NIT-3R3N-D Mouser Part No 810-CLF6045NIT3R3ND	TDK	Power Inductors - SMD 3.3uH 0.019ohms 3.5A 30% AEC-Q200 Learn More about TDK CLF NI D inductors	Datasheet	10,004In Stock	Cut Tape £0.638 £0.526 £0.458 £0.432 Reel £0.345 View £0.40 £0.377 £0.32 MouseReel Available	Min.: 1 Mult.: 1 : 1,000