.hide-partial { max-height: none; } .show-more { display: none; }

B78476A Series Audio Transformers / Signal Transformers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 17

Applied Filters:

Series = B78476A

Frequency Range

Primary Impedance

Secondary Impedance

Isolation Voltage

Minimum Operating Temperature

Maximum Operating Temperature

Number of Channels

Length

Width

Height

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT

B78476A8068A003
TDK
1: S/23.20
397In Stock

Mfr. Part #
B78476A8068A003

Mouser Part #
871-B78476A8068A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT

Learn More

Datasheet

397In Stock

Cut Tape

S/23.20

S/20.01

S/19.23

S/18.61

Reel

S/15.92

View

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

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT

B78476A8065A003
TDK
1: S/9.03
12,091In Stock

Mfr. Part #
B78476A8065A003

Mouser Part #
871-B78476A8065A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT

Learn More

Datasheet

12,091In Stock

Cut Tape

S/9.03

S/7.12

S/6.50

S/6.31

Reel

S/5.84

View

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: S/18.72
647In Stock
2,000Expected 11/10/2026

Mfr. Part #
B78476A8135A003

Mouser Part #
871-B78476A8135A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT

Learn More

Datasheet

647In Stock

2,000Expected 11/10/2026

Cut Tape

S/18.72

S/14.13

S/13.08

S/12.69

Reel

S/10.82

View

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: S/9.30
2,260In Stock
4,500Expected 9/17/2026

Mfr. Part #
B78476A8247A003

Mouser Part #
871-B78476A8247A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT

Learn More

Datasheet

2,260In Stock

4,500Expected 9/17/2026

Cut Tape

S/9.30

S/8.45

S/7.86

S/7.40

Reel

S/6.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

LAN Transformers

Module

SMD/SMT

100 kHz

350 uH

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: S/11.48
1,528In Stock
1,000Expected 9/1/2026

Mfr. Part #
B78476A8248A003

Mouser Part #
871-B78476A8248A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T -40C+85C 1-PORT POE

Learn More

Datasheet

1,528In Stock

1,000Expected 9/1/2026

Cut Tape

S/11.48

S/8.33

S/7.51

S/7.01

Reel

S/6.50

View

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: S/15.96
694In Stock

Mfr. Part #
B78476A8249A003

Mouser Part #
871-B78476A8249A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT

Learn More

Datasheet

694In Stock

Cut Tape

S/15.96

S/14.29

S/14.17

S/13.74

Reel

S/12.57

View

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: S/17.40
2,131In Stock
1,750Expected 10/1/2026

Mfr. Part #
B78476A8251A003

Mouser Part #
871-B78476A8251A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 1-PORT

Learn More

Datasheet

2,131In Stock

1,750Expected 10/1/2026

Cut Tape

S/17.40

S/13.12

S/12.18

S/11.79

Reel

S/10.35

View

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: S/24.48
465In Stock

Mfr. Part #
B78476A8252A003

Mouser Part #
871-B78476A8252A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT

Learn More

Datasheet

465In Stock

Cut Tape

S/24.48

S/18.76

S/17.91

S/17.36

Reel

S/15.30

View

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: S/18.72
275In Stock

Mfr. Part #
B78476A8317A003

Mouser Part #
871-B78476A8317A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT

Learn More

Datasheet

275In Stock

Cut Tape

S/18.72

S/14.13

S/13.08

S/12.69

Reel

S/11.13

View

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: S/30.56
Lead-Time 12 Weeks

Mfr. Part #
B78476A8066A003

Mouser Part #
871-B78476A8066A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT POE

Learn More

Datasheet

Lead-Time 12 Weeks

Cut Tape

S/30.56

S/24.37

S/22.93

S/21.25

Reel

S/20.05

View

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: S/11.44
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A8245A003

Mouser Part #
871-B78476A8245A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT POE

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

S/11.44

S/8.29

S/7.47

S/6.97

Reel

S/6.46

View

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: S/9.11
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A1889A003

Mouser Part #
871-B78476A1889A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 2-PORT POE

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

S/9.11

S/8.76

S/8.68

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: S/14.25
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A7694A003

Mouser Part #
871-B78476A7694A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

S/14.25

S/10.74

S/9.96

S/9.65

Reel

S/8.21

View

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: S/8.33
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A8067A003

Mouser Part #
871-B78476A8067A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 1-PORT

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

S/8.33

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 POE

B78476A8246A003
TDK
300: S/15.92
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A8246A003

Mouser Part #
871-B78476A8246A3

TDK

Audio Transformers / Signal Transformers 10/100 BASE-T 0C-70C 4-PORT POE

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

S/15.92

S/15.65

S/15.41

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: S/25.22
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A8250A003

Mouser Part #
871-B78476A8250A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 2-PORT

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

S/25.22

S/20.01

S/19.23

S/18.61

Reel

S/15.92

View

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: S/11.68
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
B78476A8253A003

Mouser Part #
871-B78476A8253A3

TDK

Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT POE

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

S/11.68

S/11.48

S/11.25

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

B78476A Series Audio Transformers / Signal Transformers

Customer Service Office

Company

Resources

Support