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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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
Frequency Range
Inductance
Primary Impedance
Secondary Impedance
Isolation Voltage
Minimum Operating Temperature
Maximum Operating Temperature
Number of Channels
Length
Width
Height
Series
Packaging
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT
Datasheet
397In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 350 uH 0 C + 70 C Dual 13.64 mm 11.94 mm 6.22 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT
Datasheet
11,162In Stock
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT
Datasheet
647In Stock
2,000Expected 1/1/2027
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT
Datasheet
6,757In Stock
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT POE
Datasheet
2,508In Stock
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT
Datasheet
694In Stock
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT
Datasheet
2,121In Stock
1,750Expected 27/10/2026
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT
Datasheet
453In Stock
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT
Datasheet
275In Stock
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT POE
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT POE
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 2-PORT POE
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT POE
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT
Datasheet
Non-Stocked Lead-Time 24 Weeks
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
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT POE
Datasheet
Non-Stocked Lead-Time 24 Weeks
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