Audio Transformers / Signal Transformers

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TRS SMD Audio & Signal RF Transformers

Mini-Circuits TRS SMD Audio and Signal RF Transformers offer a 50Ω to 100Ω impedance range within the 4MHz to 2500MHz frequency band. The TRS transformers feature a balanced transmission line, excellent amplitude unbalance (0.3dB typical), and a good return loss of 20dB typical at the 1dB band within a -40°C to +85°C operating temperature range. The audio and signal transformers provide a 1W power rating and a 30mA maximum DC current.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	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
Audio Transformers / Signal Transformers 1:2.78 CORE & WIRE Transformer, 40 - 1250 MHz, 75 Ohm TRS278-122-75+ Mini-Circuits 1: €6.71 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 about Mini-Circuits mini circuits trs transformers	Datasheet	391In Stock	Cut Tape €6.71 €3.89 €3.83 Reel €3.82 €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 TRS1-182-75+ Mini-Circuits 1: €3.01 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 about Mini-Circuits mini circuits trs transformers	Datasheet	593In Stock	Cut Tape €3.01 Reel €2.55 MouseReel Available	Min.: 1 Mult.: 1 : 100														TRS1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS1-23-75+ Mini-Circuits 1: €2.72 335In Stock	Mfr. Part No. TRS1-23-75+ Mouser Part No 139-TRS1-23-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	335In Stock	Cut Tape €2.72 €2.59 €2.55 Reel €2.55 MouseReel Available	Min.: 1 Mult.: 1 : 500														TRS1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS1.33-1T-75+ Mini-Circuits 1: €2.80 265In Stock	Mfr. Part No. TRS1.33-1T-75+ Mouser Part No 139-TRS1.33-1T-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	265In Stock	Cut Tape €2.80 Reel €2.80 MouseReel Available	Min.: 1 Mult.: 1 : 100														TRS1.33	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS2-1T-75+ Mini-Circuits 1: €8.19 208In Stock	Mfr. Part No. TRS2-1T-75+ Mouser Part No 139-TRS2-1T-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	208In Stock	Cut Tape €8.19 €8.18 €5.53 €4.84 Reel €4.59 MouseReel Available	Min.: 1 Mult.: 1 : 100														TRS2	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS2-252+ Mini-Circuits 1: €4.19 3,200On Order	Mfr. Part No. TRS2-252+ Mouser Part No 139-TRS2-252	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	3,200On Order On Order Ship Dates Mfr. No: TRS2-252+ Stock: 0 On Order: 1,100 Expected 27/10/2026 600 Expected 28/10/2026 1,500 Expected 09/11/2026 Factory Lead Time: 19 Weeks	Cut Tape €4.19 €4.11 €4.10 Reel €3.97 €3.61 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	4 MHz to 2.5 GHz	50 Ohms	50 Ohms	- 40 C	+ 85 C	Single	5.08 mm x 5.08 mm x 5.08 mm	5.08 mm	5.08 mm	5.08 mm	TRS2	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS TRS1.5-182+ Mini-Circuits 1: €5.53 995On Order	Mfr. Part No. TRS1.5-182+ Mouser Part No 139-TRS1.5-182+	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	995On Order On Order Ship Dates Mfr. No: TRS1.5-182+ Stock: 0 On Order: 395 Pending 600 Expected 14/12/2026 Factory Lead Time: 19 Weeks	Cut Tape €5.53 €5.04 Reel €5.04 €4.59 MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers		SMD/SMT	10 MHz to 1.8 GHz	50 Ohms	50 Ohms	- 40 C	+ 85 C	Single		7.11 mm	6.35 mm	3.05 mm	TRS1.5	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 517On Order	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	517On Order On Order Ship Dates Mfr. No: TRS1-182-75-3+ Stock: 0 On Order: 17 Expected 19/10/2026 500 Expected 01/02/2027 Factory Lead Time: 19 Weeks	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 RF Transformer SMT, 50 - 1000 MHz, 50 ohms TRS1-1T-13-2A+ Mini-Circuits 500: €4.81 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. TRS1-1T-13-2A+ Mouser Part No 139-TRS1-1T-13-2A	Mini-Circuits	Audio Transformers / Signal Transformers RF Transformer SMT, 50 - 1000 MHz, 50 ohms	Datasheet	Non-Stocked Lead-Time 22 Weeks	Reel €4.81 €4.42	Min.: 500 Mult.: 500 : 500														TRS1	Reel
Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS TRS1.33-132-75+ Mini-Circuits 500: €3.03 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. TRS1.33-132-75+ Mouser Part No 139-TRS1.33-132-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	Non-Stocked Lead-Time 22 Weeks	Reel €3.03 €2.56	Min.: 500 Mult.: 500 : 500														TRS1.33	Reel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS2-32-75+ Mini-Circuits 1,000: €1.67 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. TRS2-32-75+ Mouser Part No 139-TRS2-32-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	Non-Stocked Lead-Time 22 Weeks	Reel €1.67 €1.48	Min.: 1,000 Mult.: 1,000 : 1,000														TRS2	Reel

TRS SMD Audio & Signal RF Transformers

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