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Mini-Circuits Audio & Signal Transformers

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Part #

Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm

TRS278-122-75+
Mini-Circuits
1: 3,75 €
391In Stock

Mfr. Part No.
TRS278-122-75+

Mouser Part No
139-TRS278-122-75+

Mini-Circuits

Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm

Learn More

Datasheet

391In Stock

Cut Tape

3,75 €

3,64 €

Reel

3,64 €

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

SMD/SMT

40 MHz to 1.25 GHz

- 40 C

+ 65 C

Single

7.11 mm

6.35 mm

4.19 mm

TRS278

Reel, Cut Tape, MouseReel

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

ADT9-1T+
Mini-Circuits
1: 7,20 €
426In Stock

Mfr. Part No.
ADT9-1T+

Mouser Part No
139-ADT9-1T

Mini-Circuits

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

Datasheet

426In Stock

Cut Tape

7,20 €

Reel

6,60 €

6,17 €

5,74 €

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

SMD/SMT

1 MHz to 250 MHz

50 Ohms

- 20 C

+ 85 C

Single

7.87 mm x 5.59 mm x 2.84 mm

7.87 mm

5.59 mm

2.84 mm

ADT9

Reel, Cut Tape, MouseReel

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

TC1.5-1G2+
Mini-Circuits
1: 4,13 €
661In Stock

Mfr. Part No.
TC1.5-1G2+

Mouser Part No
139-TC1.5-1G2

Mini-Circuits

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

Learn More

Datasheet

661In Stock

Cut Tape

4,13 €

3,01 €

2,67 €

Reel

2,67 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.5

Reel, Cut Tape, MouseReel

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

TC4-1TG2+
Mini-Circuits
1: 3,57 €
788In Stock

Mfr. Part No.
TC4-1TG2+

Mouser Part No
139-TC4-1TG2

Mini-Circuits

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

Datasheet

788In Stock

Cut Tape

3,57 €

2,59 €

2,18 €

2,06 €

Reel

2,06 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

SMD/SMT

500 kHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

Single

3.81 mm x 3.81 mm x 3.81 mm

3.81 mm

TC4

Reel, Cut Tape, MouseReel

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

TCM8-1+
Mini-Circuits
1: 2,80 €
2 294In Stock

Mfr. Part No.
TCM8-1+

Mouser Part No
139-TCM8-1

Mini-Circuits

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

Learn More

Datasheet

2 294In Stock

Cut Tape

2,80 €

1,81 €

Reel

1,55 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM8

Reel, Cut Tape, MouseReel

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

TRS1-182-75+
Mini-Circuits
1: 2,72 €
593In Stock

Mfr. Part No.
TRS1-182-75+

Mouser Part No
139-TRS1-182-75

Mini-Circuits

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

Learn More

Datasheet

593In Stock

Cut Tape

2,72 €

2,59 €

Reel

2,55 €

MouseReel Available

Min.: 1
Mult.: 1

: 100

TRS1

Reel, Cut Tape, MouseReel

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

TCM3-452X+
Mini-Circuits
1: 4,84 €
538In Stock

Mfr. Part No.
TCM3-452X+

Mouser Part No
139-TCM3-452X

Mini-Circuits

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

Learn More

Datasheet

538In Stock

Cut Tape

4,84 €

4,55 €

4,35 €

Reel

4,35 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?

T4-6T+
Mini-Circuits
1: 7,95 €
5In Stock

Mfr. Part No.
T4-6T+

Mouser Part No
139-T4-6T+

Mini-Circuits

Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?

Datasheet

5In Stock

7,95 €

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

20 kHz to 250 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

TC1.33-182X-75+
Mini-Circuits
1: 3,21 €
93In Stock
500Expected 14/12/2026

Mfr. Part No.
TC1.33-182X-75+

Mouser Part No
139-TC1.33-182X-75

Mini-Circuits

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

Learn More

Datasheet

93In Stock

500Expected 14/12/2026

Cut Tape

3,21 €

2,23 €

1,81 €

1,64 €

Reel

1,64 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1.33

Reel, Cut Tape, MouseReel

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

TC3-1TG2+
Mini-Circuits
1: 3,72 €
120In Stock

Mfr. Part No.
TC3-1TG2+

Mouser Part No
139-TC3-1TG2

Mini-Circuits

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

Datasheet

120In Stock

Cut Tape

3,72 €

2,72 €

2,31 €

2,07 €

Reel

2,02 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC3

Reel, Cut Tape, MouseReel

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

TC4-11X+
Mini-Circuits
1: 3,85 €
305In Stock

Mfr. Part No.
TC4-11X+

Mouser Part No
139-TC4-11X

Mini-Circuits

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

Datasheet

305In Stock

Cut Tape

3,85 €

2,72 €

2,37 €

Reel

2,37 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC4-13TX+
Mini-Circuits
1: 4,28 €
125In Stock

Mfr. Part No.
TC4-13TX+

Mouser Part No
139-TC4-13TX

Mini-Circuits

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

Datasheet

125In Stock

Cut Tape

4,28 €

3,16 €

2,72 €

2,59 €

Reel

2,59 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10-1.8GHz, 75Ohms, 1:1 Core and Wire Transformer

TRS1-182-75-3+
Mini-Circuits
1: 2,49 €
17In Stock
500Expected 19/10/2026

Mfr. Part No.
TRS1-182-75-3+

Mouser Part No
139-TRS1-182-75-3+

Mini-Circuits

Audio Transformers / Signal Transformers 10-1.8GHz, 75Ohms, 1:1 Core and Wire Transformer

Datasheet

17In Stock

500Expected 19/10/2026

Cut Tape

2,49 €

2,36 €

2,34 €

Reel

2,34 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

RF Transformers

Transformer

SMD/SMT

10 MHz to 1.8 GHz

75 Ohms

50 Ohms

- 40 C

+ 100 C

1 Channel

6.1 mm x 4.32 mm x 4.06 mm

6.1 mm

4.32 mm

4.06 mm

TRS1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm

T1-1-KK81+
Mini-Circuits
1: 4,55 €
255In Stock

Mfr. Part No.
T1-1-KK81+

Mouser Part No
139-T1-1-KK81

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm

Datasheet

255In Stock

Cut Tape

4,55 €

4,49 €

Reel

4,49 €

MouseReel Available

Min.: 1
Mult.: 1

: 100

RF Transformers

Core and Wire Transformer

SMD/SMT

150 kHz to 400 MHz

50 Ohms

- 20 C

+ 85 C

KK81-6

7.62 mm

6.86 mm

5.84 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50?

T1-6T+
Mini-Circuits
1: 9,84 €
49In Stock

Mfr. Part No.
T1-6T+

Mouser Part No
139-T1-6T+

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50?

Datasheet

49In Stock

9,84 €

Min.: 1
Mult.: 1

RF Transformers

Transformer

SMD/SMT

15 kHz to 300 MHz

50 Ohms

- 20 C

+ 85 C

1 Channel

W38

Bulk

Audio Transformers / Signal Transformers 1:5 Core & Wire Transformer, 0.3 - 300 MHz, 50ohm

T5-1T-KK81+
Mini-Circuits
1: 6,93 €
61In Stock
New At Mouser

Mfr. Part No.
T5-1T-KK81+

Mouser Part No
139-T51TKK81

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:5 Core & Wire Transformer, 0.3 - 300 MHz, 50ohm

Datasheet

61In Stock

6,93 €

6,53 €

6,31 €

6,10 €

5,98 €

Min.: 1
Mult.: 1

RF Transformer

SMD/SMT

300 kHz to 300 MHz

- 20 C

+ 85 C

7.62 mm

6.86 mm

5.84 mm

Cut Tape

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?

FT-1.5-1*C16+
Mini-Circuits
1: 61,71 €
1In Stock
10Expected 19/10/2026

Mfr. Part No.
FT-1.5-1*C16+

Mouser Part No
139-FT-1.5-1C16

Mini-Circuits

Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?

Datasheet

1In Stock

10Expected 19/10/2026

61,71 €

Min.: 1
Mult.: 1

Tray

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?

T1-1-X65+
Mini-Circuits
1: 4,89 €
108In Stock
New At Mouser

Mfr. Part No.
T1-1-X65+

Mouser Part No
139-T1-1-X65+

New At Mouser

Mini-Circuits

Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?

Datasheet

108In Stock

4,89 €

Min.: 1
Mult.: 1

RF Transformers

Plug-In RF Transformer

Through Hole

150 kHz to 400 MHz

- 20 C

+ 85 C

Dual

X65

Tube

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

TC1-1T-75X+
Mini-Circuits
1: 2,88 €
355In Stock

Mfr. Part No.
TC1-1T-75X+

Mouser Part No
139-TC1-1T-75X

Mini-Circuits

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

Learn More

Datasheet

355In Stock

Cut Tape

2,88 €

1,89 €

1,47 €

1,44 €

Reel

1,44 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC1

Reel, Cut Tape, MouseReel

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

TC4-122-75X+
Mini-Circuits
1: 3,01 €
88In Stock

Mfr. Part No.
TC4-122-75X+

Mouser Part No
139-TC4-122-75X

Mini-Circuits

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

Datasheet

88In Stock

Cut Tape

3,01 €

2,05 €

1,60 €

1,54 €

Reel

1,47 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TC4-1W-7A+
Mini-Circuits
1: 3,16 €
162In Stock

Mfr. Part No.
TC4-1W-7A+

Mouser Part No
139-TC4-1W-7A

Mini-Circuits

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

Datasheet

162In Stock

Cut Tape

3,16 €

2,18 €

1,75 €

1,68 €

Reel

1,60 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TC4

Reel, Cut Tape, MouseReel

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

TCM3-1T+
Mini-Circuits
1: 3,16 €
45In Stock

Mfr. Part No.
TCM3-1T+

Mouser Part No
139-TCM3-1T

Mini-Circuits

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

Learn More

Datasheet

45In Stock

Cut Tape

3,16 €

2,18 €

1,60 €

Reel

1,60 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

TCM3

Reel, Cut Tape, MouseReel

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

ADT2-162T+
Mini-Circuits
1: 7,65 €
43In Stock

Mfr. Part No.
ADT2-162T+

Mouser Part No
139-ADT2-162T

Mini-Circuits

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

Datasheet

43In Stock

Cut Tape

7,65 €

7,22 €

Reel

7,22 €

MouseReel Available

Min.: 1
Mult.: 1

: 100

ADT2

Reel, Cut Tape, MouseReel

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

JTX-2-10TA+
Mini-Circuits
1: 18,14 €
31In Stock
100Expected 07/09/2026

Mfr. Part No.
JTX-2-10TA+

Mouser Part No
139-JTX-2-10TA

Mini-Circuits

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

Datasheet

31In Stock

100Expected 07/09/2026

Cut Tape

18,14 €

10,16 €

10,02 €

Reel

10,02 €

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: 6,24 €
25In Stock
80Expected 09/11/2026

Mfr. Part No.
T1-1T-X65+

Mouser Part No
139-T1-1T-X65+

Mini-Circuits

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

Datasheet

25In Stock

80Expected 09/11/2026

6,24 €

6,11 €

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

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