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

Mini-Circuits Audio & Signal Transformers

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

Results: 235

Applied Filters:

Manufacturer = Mini-Circuits

Product

Type

Termination Style

Frequency Range

Primary Impedance

Secondary Impedance

Minimum Operating Temperature

Maximum Operating Temperature

Number of Channels

Package / Case

Length

Width

Height

Series

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 CORE & WIRE Transformer, 50 - 1000 MHz, 75?

JTX-2-10TA+
Mini-Circuits
1: $21.09
31In Stock
100Expected 9/7/2026

Mfr. Part #
JTX-2-10TA+

Mouser Part #
139-JTX-2-10TA

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 50 - 1000 MHz, 75?

Datasheet

31In Stock

100Expected 9/7/2026

Cut Tape

$21.09

$11.81

$11.65

Reel

$11.65

MouseReel Available

Min.: 1
Mult.: 1

: 100

JTX

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.08 - 200 MHz, 50?

T1-1T-X65+
Mini-Circuits
1: $7.25
34In Stock
80Expected 11/9/2026

Mfr. Part #
T1-1T-X65+

Mouser Part #
139-T1-1T-X65+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.08 - 200 MHz, 50?

Datasheet

34In Stock

80Expected 11/9/2026

$7.25

$7.11

Min.: 1
Mult.: 1

RF Transformers

Plug-In Wire Transformer

Through Hole

80 kHz to 200 MHz

- 20 C

+ 85 C

1 Channel

DIP-6

7.62 mm

6.86 mm

5.84 mm

Tube

Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm

T2-613-1-KK81+
Mini-Circuits
1: $3.16
159In Stock

Mfr. Part #
T2-613-1-KK81+

Mouser Part #
139-T2-613-1-KK81

Mini-Circuits

Audio Transformers / Signal Transformers 1:1:2 Core & Wire Transformer, 0.07-200 MHz, 50 ohm

Datasheet

159In Stock

Cut Tape

$3.16

$3.14

$3.10

$2.80

Reel

$2.80

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Core and Wire Transformer

SMD/SMT

70 kHz to 200 MHz

50 Ohms

- 20 C

+ 85 C

3 Channel

KK81

7.62 mm

6.86 mm

5.84 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1-1-13M-75X+
Mini-Circuits
1: $3.25
618In Stock
4,000Expected 10/7/2026

Mfr. Part #
TC1-1-13M-75X+

Mouser Part #
139-TC1-1-13M-75X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

618In Stock

4,000Expected 10/7/2026

Cut Tape

$3.25

$2.10

$1.61

$1.49

Reel

$1.45

$1.41

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.33-1T-75X+
Mini-Circuits
1: $3.68
350In Stock

Mfr. Part #
TC1.33-1T-75X+

Mouser Part #
139-TC1.33-1T-75X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

350In Stock

Cut Tape

$3.68

$2.53

$2.04

$1.95

Reel

$1.86

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.5-52T+
Mini-Circuits
1: $4.48
122In Stock

Mfr. Part #
TC1.5-52T+

Mouser Part #
139-TC1.5-52T

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

122In Stock

Cut Tape

$4.48

$3.16

$2.69

$2.58

Reel

$2.51

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.5

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TCM3-1TX+
Mini-Circuits
1: $3.40
591In Stock

Mfr. Part #
TCM3-1TX+

Mouser Part #
139-TCM3-1TX

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

591In Stock

Cut Tape

$3.40

$2.26

$1.78

$1.67

Reel

$1.67

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 3100 - 4200 MHz, 50?

TCW1-422+
Mini-Circuits
1: $1.88
128In Stock

Mfr. Part #
TCW1-422+

Mouser Part #
139-TCW1-422+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 3100 - 4200 MHz, 50?

Datasheet

128In Stock

Cut Tape

$1.88

Reel

$1.88

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

3.1 GHz to 4.2 GHz

- 55 C

+ 125 C

TCW1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

TRS1-23-75+
Mini-Circuits
1: $3.16
335In Stock

Mfr. Part #
TRS1-23-75+

Mouser Part #
139-TRS1-23-75

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

335In Stock

Cut Tape

$3.16

$3.01

$2.97

Reel

$2.97

MouseReel Available

Min.: 1
Mult.: 1

: 500

TRS1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

ADTT1.5-1+
Mini-Circuits
1: $6.52
197In Stock

Mfr. Part #
ADTT1.5-1+

Mouser Part #
139-ADTT1.5-1

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Datasheet

197In Stock

Cut Tape

$6.52

Reel

$6.52

MouseReel Available

Min.: 1
Mult.: 1

: 100

ADTT1.5

Reel, Cut Tape, MouseReel

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

T2.5-6-KK81+
Mini-Circuits
1: $7.25
77In Stock

Mfr. Part #
T2.5-6-KK81+

Mouser Part #
139-T2.5-6-KK81+

Mini-Circuits

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

Datasheet

77In Stock

Cut Tape

$7.25

$6.84

$6.60

$6.43

Reel

$6.43

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 TC XFMR / SURF MOUNT / RoHS

TC4-14G2+
Mini-Circuits
1: $4.33
361In Stock

Mfr. Part #
TC4-14G2+

Mouser Part #
139-TC4-14G2

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Datasheet

361In Stock

Cut Tape

$4.33

$3.16

$2.69

$2.58

Reel

$2.58

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC8-1G2+
Mini-Circuits
1: $3.90
294In Stock

Mfr. Part #
TC8-1G2+

Mouser Part #
139-TC8-1G2

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Datasheet

294In Stock

Cut Tape

$3.90

$2.74

$2.26

$2.06

Reel

$2.06

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC8

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TCML1-19+
Mini-Circuits
1: $3.40
161In Stock

Mfr. Part #
TCML1-19+

Mouser Part #
139-TCML1-19

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Datasheet

161In Stock

Cut Tape

$3.40

$2.26

$1.78

$1.67

Reel

$1.67

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCML1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50?

T2-1-2W-KK81+
Mini-Circuits
1: $9.78
17In Stock
100Expected 10/19/2026
New At Mouser

Mfr. Part #
T2-1-2W-KK81+

Mouser Part #
139-T2-1-2W-KK81

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50?

Datasheet

17In Stock

100Expected 10/19/2026

$9.78

Min.: 1
Mult.: 1

RF Transformers

Surface Mount RF Transformer

SMD/SMT

5 MHz to 120 MHz

- 20 C

+ 85 C

1 Channel

Cut Tape

Audio Transformers / Signal Transformers 1:4 Core & Wire Transformer, 0.02 - 250 MHz, 50ohm

T4-6T-X65+
Mini-Circuits
1: $10.16
5In Stock

Mfr. Part #
T4-6T-X65+

Mouser Part #
139-T4-6T-X65

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 Core & Wire Transformer, 0.02 - 250 MHz, 50ohm

Datasheet

5In Stock

$10.16

Min.: 1
Mult.: 1

RF Transformers

RF Wire Transformer

Through Hole

20 kHz to 250 MHz

- 20 C

+ 85 C

7.62 mm

5.84 mm

Tube

Audio Transformers / Signal Transformers 1:9 CORE & WIRE Transformer, 0.15 - 200 MHz, 50?

T9-1+
Mini-Circuits
1: $6.90
35In Stock
60On Order

Mfr. Part #
T9-1+

Mouser Part #
139-T9-1+

Mini-Circuits

Audio Transformers / Signal Transformers 1:9 CORE & WIRE Transformer, 0.15 - 200 MHz, 50?

Datasheet

35In Stock

60On Order

$6.90

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

150 kHz to 200 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

7.62 mm x 6.86 mm

Bulk

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.33-1T-75+
Mini-Circuits
1: $3.68
87In Stock

Mfr. Part #
TC1.33-1T-75+

Mouser Part #
139-TC1.33-1T-75

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

87In Stock

Cut Tape

$3.68

$2.53

$2.05

Reel

$2.05

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1.33-282X+
Mini-Circuits
1: $4.98
234In Stock

Mfr. Part #
TC1.33-282X+

Mouser Part #
139-TC1.33-282X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

234In Stock

Cut Tape

$4.98

$3.68

$3.31

Reel

$3.31

$3.00

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MT / RoHS

TC2-72T-5+
Mini-Circuits
1: $3.68
185In Stock

Mfr. Part #
TC2-72T-5+

Mouser Part #
139-TC2-72T-5

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MT / RoHS

Datasheet

185In Stock

Cut Tape

$3.68

$2.53

$2.04

$1.86

Reel

$1.86

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC2

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

TRS1.33-1T-75+
Mini-Circuits
1: $3.26
265In Stock

Mfr. Part #
TRS1.33-1T-75+

Mouser Part #
139-TRS1.33-1T-75

Mini-Circuits

Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

265In Stock

Cut Tape

$3.26

Reel

$3.26

MouseReel Available

Min.: 1
Mult.: 1

: 100

TRS1.33

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT HAT RoHS

TCM1-1X+
Mini-Circuits
1: $3.35
665In Stock

Mfr. Part #
TCM1-1X+

Mouser Part #
139-TCM1-1X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT HAT RoHS

Learn More

Datasheet

665In Stock

Cut Tape

$3.35

$2.20

$1.71

$1.64

Reel

$1.52

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM1

Reel, Cut Tape, MouseReel

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

TC1-182T-75X+
Mini-Circuits
1: $3.76
518In Stock

Mfr. Part #
TC1-182T-75X+

Mouser Part #
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

$3.76

$2.73

$2.42

Reel

$2.42

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 TC XFMR / SURF MT / HAT RoHS

TC9-1-75X+
Mini-Circuits
1: $4.23
454In Stock

Mfr. Part #
TC9-1-75X+

Mouser Part #
139-TC9-1-75X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS

Datasheet

454In Stock

Cut Tape

$4.23

$3.08

$2.59

$2.41

Reel

$2.41

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC9

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

TC1-15X+
Mini-Circuits
1: $3.99
687In Stock

Mfr. Part #
TC1-15X+

Mouser Part #
139-TC1-15X

Mini-Circuits

Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS

Learn More

Datasheet

687In Stock

Cut Tape

$3.99

$2.69

$2.20

$2.10

Reel

$2.03

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

Mini-Circuits Audio & Signal Transformers

Customer Service Office

Company

Resources

Support

4 kHz to 300 MHz
5 kHz to 70 MHz
10 kHz to 100 MHz
10 kHz to 150 MHz
15 kHz to 100 MHz
15 kHz to 300 MHz
20 kHz to 250 MHz
20 kHz to 30 MHz
30 kHz to 125 MHz
30 kHz to 20 MHz
30 kHz to 75 MHz
60 kHz to 300 MHz
60 kHz to 400 MHz
70 kHz to 200 MHz
80 kHz to 200 MHz
100 kHz to 130 MHz
100 kHz to 70 MHz
150 kHz to 200 MHz
150 kHz to 350 MHz
150 kHz to 400 MHz

0402 (1005 metric)
0805 (2012)
15.24 mm x 15.24 mm x 4.32 mm
3.81 mm x 3.81 mm x 3.81 mm
3.81 mm x 3.81 mm x 4.06 mm
3027 (7669 metric)
4.06 mm x 3.81 mm x 4.06 mm
5.08 mm x 5.08 mm x 5.08 mm
6.1 mm x 4.32 mm x 4.06 mm
6.35 mm x 7.87 mm x 5.08 mm
7.62 mm x 6.86 mm
7.62 mm x 6.86 mm x 5.84 mm
7.87 mm x 5.59 mm x 2.84 mm
7.87 mm x 5.59 mm x 4.11 mm
7.87 mm x 5.59 mm x 5.23 mm
7.87 mm x 7.11 mm x 5.72 mm
DIP-6
GU2939
KK81
KK81-6

ADT1
ADT1.5
ADT16
ADT2
ADT3
ADT4
ADT8
ADT9
ADTL1
ADTL2
ADTT1
ADTT1.5
ADTT4
BLGE4
FT
FTB
JTX
K
K1
NCS2