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

Unshielded Audio Transformers / Signal Transformers

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

Results: 764

Applied Filters:

Shielding = Unshielded

Manufacturer

Product

Type

Termination Style

Frequency Range

Inductance

Primary Impedance

Secondary Impedance

Isolation Voltage

Minimum Operating Temperature

Maximum Operating Temperature

Number of Channels

Package/Case

Length

Width

Height

Series

Qualification

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 1:2.5 CORE & WIRE Transformer, 0.01 - 100 MHz, 50?

T2.5-6-KK81+
Mini-Circuits
1: €6.24
55In Stock

Mfr. Part No.
T2.5-6-KK81+

Mouser Part No
139-T2.5-6-KK81+

Mini-Circuits

Audio Transformers / Signal Transformers 1:2.5 CORE & WIRE Transformer, 0.01 - 100 MHz, 50?

Datasheet

55In Stock

Cut Tape

€6.24

€5.88

€5.68

€5.54

Reel

€5.54

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Transformer

SMD/SMT

10 kHz to 100 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

7.62 mm x 6.86 mm x 5.84 mm

7.62 mm

6.86 mm

5.84 mm

T2.5

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

100B-1003FX
iNRCORE
1: €25.11
2In Stock
80On Order

Mfr. Part No.
100B-1003FX

Mouser Part No
673-100B-1003FX

iNRCORE

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

Datasheet

2In Stock

80On Order

€25.11

€22.60

€20.43

€20.22

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

- 55 C

+ 125 C

Single

12.7 mm

6.73 mm

5.97 mm

100B

Tube

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

100B-1003
iNRCORE
1: €22.70
7In Stock
80Expected 13/11/2026

Mfr. Part No.
100B-1003

Mouser Part No
673-100B-1003

iNRCORE

Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC

Datasheet

7In Stock

80Expected 13/11/2026

€22.70

€20.44

€19.59

€19.52

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

- 40 C

+ 85 C

Single

12.7 mm

6.73 mm

5.97 mm

100B

Tube

Audio Transformers / Signal Transformers XFRMS SINGLE 1GD 1:1 SMT T PBC

1000B-5009F
iNRCORE
1: €43.25
8In Stock

Mfr. Part No.
1000B-5009F

Mouser Part No
673-1000B-5009F

iNRCORE

Audio Transformers / Signal Transformers XFRMS SINGLE 1GD 1:1 SMT T PBC

Learn More

Datasheet

8In Stock

€43.25

€38.90

€36.53

€36.03

View

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Quad

15.24 mm

10.922 mm

8.636 mm

1000B

Tube

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

HX2260FNL
Pulse Electronics
1: €3.73
310In Stock
NRND

Mfr. Part No.
HX2260FNL

Mouser Part No
673-HX2260FNL

NRND

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port

Learn More

Datasheet

310In Stock

€3.73

€3.37

€3.17

€3.06

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 125 MHz

350 uH

1.5 kV

- 40 C

+ 85 C

Single

12.7 mm

9.09 mm

5.99 mm

Tube

Audio Transformers / Signal Transformers 5-300MHz 1:2 omped. 75 ohm

MABA-011050
MACOM
1: €3.33
4,791In Stock

Mfr. Part No.
MABA-011050

Mouser Part No
937-MABA-011050

MACOM

Audio Transformers / Signal Transformers 5-300MHz 1:2 omped. 75 ohm

Datasheet

4,791In Stock

Cut Tape

€3.33

€2.58

€2.28

€2.14

Reel

€1.92

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Baluns

SMD/SMT

5 MHz to 300 MHz

75 Ohms

- 40 C

+ 125 C

Single

7.11 mm

6.35 mm

2.57 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 5 - 1800 MHz, 75 Ohm

TC1-182T-75X+
Mini-Circuits
1: €3.23
518In Stock

Mfr. Part No.
TC1-182T-75X+

Mouser Part No
139-TC1-182T-75X+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 5 - 1800 MHz, 75 Ohm

Learn More

Datasheet

518In Stock

Cut Tape

€3.23

€2.35

€2.08

Reel

€2.07

€1.89

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

5 MHz to 1.8 GHz

- 40 C

+ 85 C

Single

3.81 mm

4.06 mm

TC1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT

750510476
Wurth Elektronik
1: €4.52
407In Stock

Mfr. Part No.
750510476

Mouser Part No
710-750510476

Wurth Elektronik

Audio Transformers / Signal Transformers WE-PLC EE13/7/4 (EF12.6) THT

Learn More

Datasheet

407In Stock

€4.52

€4.08

€3.91

€3.79

View

Min.: 1
Mult.: 1

Signal Transformers

PLC

Through Hole

870 uH

4 kVAC

- 40 C

+ 125 C

Single

13.72 mm

19.8 mm

10.16 mm

WE-PLC

Tray

Audio Transformers / Signal Transformers Signal-1553 Non-QPL Mil Grade

TL1553-5
iNRCORE
1: €68.89
29In Stock

Mfr. Part No.
TL1553-5

Mouser Part No
673-TL1553-5

iNRCORE

Audio Transformers / Signal Transformers Signal-1553 Non-QPL Mil Grade

Datasheet

29In Stock

€68.89

€61.91

€58.08

€57.84

View

Min.: 1
Mult.: 1

RF Transformers

Pin Terminal Transformers

Through Hole

75 kHz to 1 MHz

100 V

- 55 C

+ 125 C

Single

16 mm

3.94 mm

TL1553

Tube

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 8-Port

T1231NL
Pulse Electronics
1: €9.85
27In Stock

Mfr. Part No.
T1231NL

Mouser Part No
673-T1231NL

Pulse Electronics

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 8-Port

Datasheet

27In Stock

€9.85

€8.61

€8.34

€7.91

View

Min.: 1
Mult.: 1

ISDN Transformers

Module

SMD/SMT

1.5 kV

- 40 C

+ 85 C

4 Channel

Tube

Audio Transformers / Signal Transformers MDL SIN 100D 1:1 TU 16Term Gull Wing SMD

100B-1027X
iNRCORE
1: €44.11
131In Stock

Mfr. Part No.
100B-1027X

Mouser Part No
673-100B-1027X

iNRCORE

Audio Transformers / Signal Transformers MDL SIN 100D 1:1 TU 16Term Gull Wing SMD

Datasheet

131In Stock

€44.11

€39.04

€34.89

Min.: 1
Mult.: 1

RF Transformers

SMD/SMT

100 kHz to 100 MHz

350 uH

- 55 C

+ 125 C

Dual

25.4 mm

12.827 mm

5.969 mm

1000B

Tube

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 14W 5V 2.8A

POEA2FB2V14W1X5
Eaton Electronics
1: €2.48
457In Stock

Mfr. Part No.
POEA2FB2V14W1X5

Mouser Part No
504-POEA2FB2V14W1X5

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 14W 5V 2.8A

Learn More

Datasheet

457In Stock

Cut Tape

€2.48

€2.40

€2.35

€2.30

€2.26

Reel

€1.90

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

100 uH

1.5 kVAC

- 40 C

+ 125 C

17.75 mm

14.2 mm

12.7 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 12W 12V 1A

POEA2FB4V12W1X12
Eaton Electronics
1: €1.77
455In Stock

Mfr. Part No.
POEA2FB4V12W1X12

Mouser Part No
504-POEA2FB4V12W1X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 12W 12V 1A

Learn More

Datasheet

455In Stock

Cut Tape

€1.77

Reel

€1.77

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

100.5 uH

1.5 kVAC

- 40 C

+ 125 C

17.75 mm

14.2 mm

12.7 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers MDL,SIN,1GD,1:1,SMT,TU, NPB

H5007ENL
Pulse Electronics
1: €6.86
239In Stock

Mfr. Part No.
H5007ENL

Mouser Part No
673-H5007ENL

Pulse Electronics

Audio Transformers / Signal Transformers MDL,SIN,1GD,1:1,SMT,TU, NPB

Datasheet

239In Stock

€6.86

€5.84

€5.60

€5.43

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

1 MHz to 100 MHz

350 uH

0 C

+ 70 C

Single

17.65 mm

12.2 mm

5.72 mm

H5007

Tube

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 2-Port

HX2305NL
Pulse Electronics
1: €8.37
269In Stock

Mfr. Part No.
HX2305NL

Mouser Part No
673-HX2305NL

Pulse Electronics

Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 2-Port

Learn More

Datasheet

269In Stock

€8.37

€7.17

€6.88

€6.66

View

Min.: 1
Mult.: 1

LAN Transformers

Module

SMD/SMT

350 uH

1.5 kV

- 40 C

+ 85 C

Dual

Tube

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port

T1137NLT
Pulse Electronics
1: €4.97
303In Stock

Mfr. Part No.
T1137NLT

Mouser Part No
673-T1137NL673-T

Pulse Electronics

Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port

Datasheet

303In Stock

Cut Tape

€4.97

€4.21

€4.04

€3.91

Reel

€3.04

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

ISDN Transformers

Module

SMD/SMT

1.5 kV

0 C

+ 70 C

2 Channel

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Dual Out 10W 5V 0.02A 2A

POEA2FB1V10W2X5
Eaton Electronics
1: €2.70
455In Stock

Mfr. Part No.
POEA2FB1V10W2X5

Mouser Part No
504-POEA2FB1V10W2X5

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Dual Out 10W 5V 0.02A 2A

Learn More

Datasheet

455In Stock

Cut Tape

€2.70

€2.44

€2.35

€2.28

Reel

€1.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

180 uH

1.5 kVAC

- 40 C

+ 125 C

17.65 mm

14.5 mm

14 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 13W 24V 0.55A

POEA2FB1V13W1X24
Eaton Electronics
1: €1.77
446In Stock

Mfr. Part No.
POEA2FB1V13W1X24

Mouser Part No
504-POEA2FB1V13W1X24

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 13W 24V 0.55A

Learn More

Datasheet

446In Stock

Cut Tape

€1.77

Reel

€1.77

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

40 uH

1.5 kVAC

- 40 C

+ 125 C

17.65 mm

14.5 mm

14 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Dual 13W 5V 0.01A 2.6A

POEB1FB1V13W2X5
Eaton Electronics
1: €1.56
540In Stock

Mfr. Part No.
POEB1FB1V13W2X5

Mouser Part No
504-POEB1FB1V13W2X5

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Dual 13W 5V 0.01A 2.6A

Learn More

Datasheet

540In Stock

Cut Tape

€1.56

Reel

€1.56

MouseReel Available

Min.: 1
Mult.: 1

: 250

Flyback Transformers

SMD/SMT

155 uH

1.5 kVAC

- 40 C

+ 125 C

22.3 mm

17.3 mm

9 mm

POEB1FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 60W 12V 5A

POEB2FB1V60W1X12
Eaton Electronics
1: €4.15
328In Stock

Mfr. Part No.
POEB2FB1V60W1X12

Mouser Part No
504-POEB2FB1V60W1X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EFD20 Single Out 60W 12V 5A

Learn More

Datasheet

328In Stock

Cut Tape

€4.15

€4.02

€3.95

€3.85

Reel

€3.33

MouseReel Available

Min.: 1
Mult.: 1

: 150

Flyback Transformers

SMD/SMT

70 uH

1.5 kVAC

- 40 C

+ 125 C

29.3 mm

21.8 mm

12 mm

POEB2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 12.8W 5V 2.5A

POEA2FB1V13W1X5
Eaton Electronics
1: €3.35
444In Stock

Mfr. Part No.
POEA2FB1V13W1X5

Mouser Part No
504-POEA2FB1V13W1X5

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 12.8W 5V 2.5A

Learn More

Datasheet

444In Stock

Cut Tape

€3.35

€2.99

€2.85

€2.76

€2.61

Reel

€1.91

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

70 uH

1.5 kVAC

- 40 C

+ 125 C

17.65 mm

14.5 mm

14 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 15W 5V 3A

POEA2FB1V15W1X5
Eaton Electronics
1: €2.56
441In Stock

Mfr. Part No.
POEA2FB1V15W1X5

Mouser Part No
504-POEA2FB1V15W1X5

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single Out 15W 5V 3A

Learn More

Datasheet

441In Stock

Cut Tape

€2.56

€2.48

€2.43

€2.38

Reel

€1.83

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

40 uH

1.5 kVAC

- 40 C

+ 125 C

17.65 mm

14.5 mm

14 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single 18.5W 12V 1.5A

POEA2FB1V18W1X12
Eaton Electronics
1: €2.70
458In Stock

Mfr. Part No.
POEA2FB1V18W1X12

Mouser Part No
504-POEA2FB1V18W1X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP13 Single 18.5W 12V 1.5A

Learn More

Datasheet

458In Stock

Cut Tape

€2.70

€2.56

€2.48

€2.44

€2.43

Reel

€1.88

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

37 uH

1.5 kVAC

- 40 C

+ 125 C

17.65 mm

14.5 mm

14 mm

POEA2FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Single Out 18W 12V 1.5A

POEB1FB1V18W1X12
Eaton Electronics
1: €2.06
528In Stock

Mfr. Part No.
POEB1FB1V18W1X12

Mouser Part No
504-POEB1FB1V18W1X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EFD15 Single Out 18W 12V 1.5A

Learn More

Datasheet

528In Stock

Cut Tape

€2.06

€1.99

€1.95

€1.91

Reel

€1.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Flyback Transformers

SMD/SMT

70 uH

1.5 kVAC

- 40 C

+ 125 C

22.3 mm

17.3 mm

9 mm

POEB1FB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flybk Xfmr EP10 Single Out 10W 12V 0.83A

POEA1FB1V10W1X12
Eaton Electronics
1: €2.06
457In Stock

Mfr. Part No.
POEA1FB1V10W1X12

Mouser Part No
504-POEA1FB1V10W1X12

Eaton Electronics

Audio Transformers / Signal Transformers Flybk Xfmr EP10 Single Out 10W 12V 0.83A

Learn More

Datasheet

457In Stock

Cut Tape

€2.06

€2.00

€1.96

€1.91

€1.88

Reel

€1.39

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

SMD/SMT

60 uH

1.5 kVAC

- 40 C

+ 125 C

15.2 mm

12.5 mm

11.6 mm

POEA1FB

Reel, Cut Tape, MouseReel

Unshielded Audio Transformers / Signal Transformers

Customer Service Office

Company

Resources

Support

ADSL Transformers
Audio Transformer
Audio Transformers
Baluns
BMS Transformers
Chip LAN Transformers
Design Kits
Flyback Transformers
Forward Transformers
Gate Drive Transformers
Impedance Matching Transformers
ISDN Transformers
LAN Transformers
Line Matching Transformers
Micro Chip Transformers
PoE Isolation Transformers
PoE Transformers
RF Transformers
Signal Transformers
Telecom Transformers

10 Hz to 30 kHz
20 Hz to 20 kHz
30 Hz to 15 kHz
30 Hz to 30 kHz
50 Hz to 12 kHz
70 Hz to 11 kHz
70 Hz to 15 kHz
100 Hz to 15 kHz
150 Hz to 15 kHz
200 Hz
200 Hz to 15 kHz
200 Hz to 50 kHz
300 Hz to 100 kHz
300 Hz to 20 kHz
300 Hz to 3.4 kHz
300 Hz to 3.5 kHz
300 Hz to 50 kHz
1 kHz to 100 MHz
5 kHz to 100 MHz
10 kHz to 1 MHz

60 nH
100 nH
200 nH
500 nH
600 nH
800 nH
1 uH, 342 uH
1.2 uH
1.25 uH
2.5 uH
2.925 uH, 5.85 uH
3.75 uH
5 uH
6 uH, 17 uH
7.5 uH
8 uH
9.5 uH
10 uH
11.5 uH
15 uH

200 mOhms
500 mOhms
650 mOhms
700 mOhms
700 mOhms, 700 mOhms
900 mOhms
1 Ohms
1 Ohms, 1 Ohms
1 Ohms, 2 Ohms
2.4 Ohms
3 Ohms
3.2 Ohms
48 Ohms
50 Ohms
50 Ohms, 250 Ohms, 600 Ohms
75 Ohms
100 Ohms
135 Ohms
150 Ohms
150 Ohms, 600 Ohms

65 mOhms
500 mOhms
700 mOhms
1 Ohms
1 Ohms, 2 Ohms
1.1 Ohms
1.5 Ohms to 15 Ohms
2 Ohms
2 Ohms, 4 Ohms, 8 Ohms
2.4 Ohms
2.5 Ohms
3.2 Ohms
4 Ohms
4 Ohms, 8 Ohms, 16 Ohms
4.2 Ohms
8 Ohms
8 Ohms, 4 Ohms
12 Ohms
15 Ohms
16 Ohms

0.5 in x 0.38 in x 0.236 in
0.63 in x 0.566 in x 0.598 in
0.82 in x 0.68 in x 0.69 in
0.86 in x 0.71 in x 0.75 in
0805 (2012)
1.35 in x 0.69 in x 0.69 in
1.63 in x 0.88 in x 0.81 in
12.7 mm x 8.89 mm x 6.35 mm
12.7 mm x 9.09 mm x 5.99 mm
13.21 mm x 7.87 mm x 5.72 mm
13.64 mm x 14.99 mm x 6.22 mm
13.97 mm x 12.57 mm x 4.57 mm
15 mm x 15 mm x 12.7 mm
17.53 mm x 12.2 mm x 5.51 mm
17.53 mm x 14.6 mm x 4.5 mm
1812 (4532 metric)
2.38 in x 1.35 in x 1.43 in
2.88 in x 1.7 in x 2.37 in
23.37 mm x 20.83 mm x 10.34 mm
23.37 mm x 20.83 mm x 8.94 mm

1.25 mm
2 mm
2.54 mm
3.048 mm
3.81 mm
3.97 mm
4 mm
4.06 mm
4.064 mm
4.19 mm
4.39 mm
4.45 mm
4.52 mm
4.6 mm
4.7 mm
6.1 mm
6.9 mm
7 mm
7.11 mm
7.62 mm

1.2 mm
1.24 mm
1.27 mm
1.42 mm
1.524 mm
2.69 mm
2.79 mm
3 mm
3.2 mm
3.22 mm
3.4 mm
3.81 mm
4 mm
4.06 mm
4.19 mm
4.32 mm
6.35 mm
6.73 mm
6.86 mm
6.9 mm

0.414 mm
0.53 mm
0.84 mm
0.939 mm
1.2 mm
1.88 mm
1.98 mm
2.08 mm
2.083 mm
0.082 in
2.24 mm
2.39 mm
2.54 mm
2.57 mm
2.75 mm
2.79 mm
2.794 mm
2.9 mm
3.04 mm
3.05 mm

101
102
104
106
107
108
109
124 Series
125 Series
126 Series
140
141
143
144
145
146
148
149
290
505