Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm
360°
+4 images
TRS278-122-75+
Mini-Circuits
1:
¥724.2
391 In Stock
Mouser Part #
139-TRS278-122-75+
Mini-Circuits
Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm
391 In Stock
1
¥724.2
50
¥702.6
100
¥702.6
Buy
Min.: 1
Mult.: 1
Reel :
100
Details
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
ADT3-1T+
Mini-Circuits
1:
¥935.1
955 In Stock
Mouser Part #
139-ADT3-1T
Mini-Circuits
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS
955 In Stock
1
¥935.1
50
¥920.2
100
¥906.9
200
¥873.7
Buy
Min.: 1
Mult.: 1
Reel :
100
Details
ADT3
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS
JTX-2-10T+
Mini-Circuits
1:
¥3,503
340 In Stock
Mouser Part #
139-JTX-2-10T
Mini-Circuits
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS
340 In Stock
1
¥3,503
10
¥1,961.6
100
¥1,803.8
500
¥1,759
Buy
Min.: 1
Mult.: 1
Reel :
100
Details
RF Transformers
SMD/SMT
50 MHz to 1 GHz
75 Ohms
75 Ohms
- 40 C
+ 85 C
Single
7.87 mm x 7.11 mm x 5.72 mm
7.87 mm
7.11 mm
5.72 mm
JTX
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC16-1TG2+
Mini-Circuits
1:
¥755.8
747 In Stock
Mouser Part #
139-TC16-1TG2
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
747 In Stock
1
¥755.8
50
¥564.7
100
¥521.6
500
¥441.8
1,000
¥440.2
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC16
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC4-11+
Mini-Circuits
1:
¥744.1
686 In Stock
Mouser Part #
139-TC4-11
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
686 In Stock
1
¥744.1
50
¥524.9
100
¥458.4
500
¥458.4
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC4
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TCM3-452X+
Mini-Circuits
1:
¥935.1
538 In Stock
Mouser Part #
139-TCM3-452X
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
538 In Stock
1
¥935.1
50
¥878.7
100
¥840.5
500
¥840.5
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TCM3
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?
T1-6-KK81+
Mini-Circuits
1:
¥1,528.1
13 In Stock
100 Expected 9/14/2026
New At Mouser
Mouser Part #
139-T1-6-KK81+
New At Mouser
Mini-Circuits
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.01 - 150 MHz, 50?
13 In Stock
100 Expected 9/14/2026
1
¥1,528.1
10
¥1,476.6
25
¥1,435.1
50
¥1,393.6
100
¥1,391.9
Buy
Min.: 1
Mult.: 1
Reel :
100
Details
RF Transformers
SMD/SMT
10 kHz to 150 MHz
- 20 C
+ 85 C
7.62 mm
6.86 mm
5.84 mm
T1
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?
T4-6T+
Mini-Circuits
1:
¥1,534.8
5 In Stock
Mouser Part #
139-T4-6T+
Mini-Circuits
Audio Transformers / Signal Transformers 1:4 CORE & WIRE Transformer, 0.02 - 250 MHz, 50?
5 In Stock
Buy
Min.: 1
Mult.: 1
Details
RF Transformers
Transformer
SMD/SMT
20 kHz to 250 MHz
50 Ohms
50 Ohms
- 20 C
+ 85 C
1 Channel
7.62 mm x 6.86 mm
T4
Bulk
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC1.33-182X-75+
Mini-Circuits
1:
¥619.6
93 In Stock
500 Expected 12/14/2026
Mouser Part #
139-TC1.33-182X-75
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
93 In Stock
500 Expected 12/14/2026
1
¥619.6
50
¥430.2
100
¥348.8
200
¥317.3
500
¥317.3
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC1.33
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC3-1TG2+
Mini-Circuits
1:
¥719.2
120 In Stock
Mouser Part #
139-TC3-1TG2
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
120 In Stock
1
¥719.2
50
¥524.9
100
¥446.8
200
¥400.3
500
¥388.7
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC3
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS
TC4-11X+
Mini-Circuits
1:
¥744.1
305 In Stock
Mouser Part #
139-TC4-11X
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MT / HAT RoHS
305 In Stock
1
¥744.1
50
¥524.9
100
¥458.4
500
¥458.4
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC4
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?
TT1-6+
Mini-Circuits
1:
¥1,898.5
1 In Stock
50 On Order
Mouser Part #
139-TT1-6+
Mini-Circuits
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?
1 In Stock
50 On Order
View Dates
On Order:
10 Expected 10/26/2026
20 Expected 11/9/2026
20 Expected 11/16/2026
Factory Lead-Time:
17 Weeks
Buy
Min.: 1
Mult.: 1
Details
RF Transformers
Transformer
SMD/SMT
4 kHz to 300 MHz
50 Ohms
50 Ohms
- 20 C
+ 85 C
1 Channel
W38
7.62 mm
6.86 mm
5.84 mm
TT1
Tube
Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm
T1-1-KK81+
Mini-Circuits
1:
¥878.7
258 In Stock
Mouser Part #
139-T1-1-KK81
Mini-Circuits
Audio Transformers / Signal Transformers 1:1 Core & Wire Transformer, 0.15 - 400 Mhz, 50ohm
258 In Stock
1
¥878.7
10
¥867
100
¥867
Buy
Min.: 1
Mult.: 1
Reel :
100
Details
RF Transformers
Core and Wire Transformer
SMD/SMT
150 kHz to 400 MHz
50 Ohms
50 Ohms
- 20 C
+ 85 C
KK81-6
7.62 mm
6.86 mm
5.84 mm
T1
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50?
T1-6T+
Mini-Circuits
1:
¥1,898.5
49 In Stock
Mouser Part #
139-T1-6T+
Mini-Circuits
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.015 - 300 MHz, 50?
49 In Stock
Buy
Min.: 1
Mult.: 1
Details
RF Transformers
Transformer
SMD/SMT
15 kHz to 300 MHz
50 Ohms
50 Ohms
- 20 C
+ 85 C
1 Channel
W38
T1
Bulk
Audio Transformers / Signal Transformers 1:5 Core & Wire Transformer, 0.3 - 300 MHz, 50ohm
T5-1T-KK81+
Mini-Circuits
1:
¥1,338.8
61 In Stock
New At Mouser
Mouser Part #
139-T51TKK81
New At Mouser
Mini-Circuits
Audio Transformers / Signal Transformers 1:5 Core & Wire Transformer, 0.3 - 300 MHz, 50ohm
61 In Stock
1
¥1,338.8
10
¥1,260.7
25
¥1,219.2
50
¥1,177.6
100
¥1,154.4
Buy
Min.: 1
Mult.: 1
Details
RF Transformer
SMD/SMT
300 kHz to 300 MHz
- 20 C
+ 85 C
7.62 mm
6.86 mm
5.84 mm
T5
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:
¥11,907.7
1 In Stock
10 Expected 10/19/2026
Mouser Part #
139-FT-1.5-1C16
Mini-Circuits
Audio Transformers / Signal Transformers 1:1.5 CORE & WIRE Transformer, 0.1 - 400 MHz, 50?
1 In Stock
10 Expected 10/19/2026
Buy
Min.: 1
Mult.: 1
Details
FT
Tray
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?
T1-1-X65+
Mini-Circuits
1:
¥945.1
48 In Stock
60 Expected 8/24/2026
New At Mouser
Mouser Part #
139-T1-1-X65+
New At Mouser
Mini-Circuits
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.15 - 400 MHz, 50?
48 In Stock
60 Expected 8/24/2026
Buy
Min.: 1
Mult.: 1
Details
RF Transformers
Plug-In RF Transformer
Through Hole
150 kHz to 400 MHz
- 20 C
+ 85 C
Dual
X65
T1
Tube
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC1-1T-75X+
Mini-Circuits
1:
¥556.4
355 In Stock
Mouser Part #
139-TC1-1T-75X
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
355 In Stock
1
¥556.4
50
¥365.4
100
¥284
200
¥279
500
¥279
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC1
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC4-122-75X+
Mini-Circuits
1:
¥581.4
88 In Stock
Mouser Part #
139-TC4-122-75X
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
88 In Stock
1
¥581.4
50
¥395.3
100
¥308.9
200
¥297.3
500
¥284
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC4
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC4-1W-7A+
Mini-Circuits
1:
¥611.2
162 In Stock
Mouser Part #
139-TC4-1W-7A
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
162 In Stock
1
¥611.2
50
¥420.2
100
¥338.8
200
¥323.9
500
¥308.9
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC4
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TCM3-1T+
Mini-Circuits
1:
¥611.2
45 In Stock
Mouser Part #
139-TCM3-1T
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
45 In Stock
1
¥611.2
50
¥420.2
100
¥308.9
500
¥308.9
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TCM3
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC4-13TX+
Mini-Circuits
1:
¥827.2
125 In Stock
Mouser Part #
139-TC4-13TX
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
125 In Stock
1
¥827.2
50
¥611.2
100
¥524.9
200
¥498.3
500
¥498.3
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC4
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
TC9-1-75+
Mini-Circuits
1:
¥702.6
38 In Stock
Mouser Part #
139-TC9-1-75
Mini-Circuits
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS
38 In Stock
1
¥702.6
50
¥511.6
100
¥430.2
200
¥400.3
500
¥400.3
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
TC9
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:
¥480
17 In Stock
500 Expected 10/19/2026
Mouser Part #
139-TRS1-182-75-3+
Mini-Circuits
Audio Transformers / Signal Transformers 10-1.8GHz, 75Ohms, 1:1 Core and Wire Transformer
17 In Stock
500 Expected 10/19/2026
1
¥480
50
¥455.1
100
¥451.8
500
¥451.8
Buy
Min.: 1
Mult.: 1
Reel :
500
Details
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 RF XFMR / SURF MOUNT / RoHS
ADT2-162T+
Mini-Circuits
1:
¥1,476.6
58 In Stock
Mouser Part #
139-ADT2-162T
Mini-Circuits
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS
58 In Stock
1
¥1,476.6
50
¥1,393.6
100
¥1,391.9
Buy
Min.: 1
Mult.: 1
Reel :
100
Details
ADT2
Reel, Cut Tape, MouseReel