Audio Transformers

Audio Transformers are transformers designed to be used in the amplifiers and high-frequency audio and voice circuits, for coupling ad impendence matching applications. The transformers allow an AC input signal to produce a related AC output signal without the input and the output being physically connected together. This is accomplished by having two or more coils of insulated wire wound around a magnetic metal core. When the AC signal passes through the input winding, a related AC signal appears on the output winding via the inductive coupling.
Audio Transformers perform several functions:
• They can step up (increase) or step down (decrease) a signal voltage
• They can increase or decrease the impedance of circuit
• Convert the circuit from unbalanced to balanced and from balanced to unbalanced
• Block DC current in a circuit while allowing the AC current flow
• They electrically isolate one audio device from another

There are two main types of transformers:
• Step-up / Step-down transformers – The primary and the secondary coils have a different number of windings, that means they have different impedances. Different impedances cause the signal level changed as it goes through the transformer.
• 1:1 transformers – Each coil has exactly the same number of windings which makes the impedance identical. This transformer doesn’t change the signal level but guarantees the physical electrical insulation between coils. These transformers are usually called Isolation Transformers.

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Omschrijving Prijs Primary Impedance Secondary Impedance Primary DC Resistance Power Rating Current Rating Secondary DC Resistance Dimensions Mounting Type Termination Type Weight Depth Diameter Length Width
RS-stocknr. 667-6038
FabrikantnummerZ21807E
FabrikantOEP
€ 16,47
Each
Aantal stuks
10 → 20kΩ - 1.8kΩ - - 0.715 kΩ, 1.1 kΩ 21.5 x 16.3 x 18mm Through Hole - - 18mm - 21.5mm 16.3mm
RS-stocknr. 123-7210
FabrikantnummerA262A47E
FabrikantOEP
€ 17,73
Each
Aantal stuks
150 Ω, 600 Ω 2.5 kΩ, 10 kΩ 20.6Ω 100mW - 474Ω 27.94 x 22.9 x 22.2mm Through Hole PC Pin 40g 22.2mm - 27.94mm 22.9mm
RS-stocknr. 123-7212
FabrikantnummerJ30A03C
FabrikantOEP
€ 47,61
Each
Aantal stuks
150 Ω, 600 Ω 150 Ω, 600 Ω 34.5Ω - - 40.5Ω 36 x 30 x 25mm Through Hole PC Pin 110g 25mm - 36mm 30mm
RS-stocknr. 122-9165
FabrikantnummerSM-LP-5001E
FabrikantBourns
€ 2,085
Each (In a Pack of 2)
Aantal stuks
600Ω - 115Ω - - 115Ω 12.8 x 7.5 x 9mm Surface Mount Solder - 9mm - 12.8mm 7.5mm
RS-stocknr. 667-6082
FabrikantnummerZ218A7E
FabrikantOEP
€ 8,81
Each
Aantal stuks
600Ω - 171Ω - - 234Ω 21.5 x 16.3 x 18mm Through Hole - - 18mm - 21.5mm 16.3mm
RS-stocknr. 210-6380
FabrikantnummerR/Z1606
FabrikantOEP
€ 12,81
Each
Aantal stuks
800Ω 800Ω 109Ω 2mW - 134Ω 18 x 12.7 x 18mm Through Hole - - 18mm - 18mm 12.7mm
RS-stocknr. 123-7217
FabrikantnummerK30A06C
FabrikantOEP
€ 47,96
Each
Aantal stuks
2.4 kΩ, 10 kΩ 10kΩ 450 (Primary 1) Ω, 590 (Primary 2) Ω - - 1.04kΩ 36 x 30 x 25mm Through Hole PC Pin 110g 25mm - 36mm 30mm
RS-stocknr. 123-7214
FabrikantnummerJ30A09C
FabrikantOEP
€ 48,99
Each
Aantal stuks
600Ω 1.5 + 1.5 + 1.5kΩ 83Ω - - 89Ω 36 x 30 x 25mm Through Hole PC Pin 110g 25mm - 36mm 30mm
RS-stocknr. 172-8670
FabrikantnummerSM-LP-5001E
FabrikantBourns
€ 1,184
Each (On a Reel of 400)
Aantal stuks
- - - - - - 12.8 x 7.5 x 9mm Surface Mount Solder - 9mm - 12.8mm 7.5mm
RS-stocknr. 210-6504
FabrikantnummerP74A001F
FabrikantOEP
€ 13,62
Each
Aantal stuks
- 79Ω 5W - 1.3Ω 81.5 x 45.5 x 39mm Chassis Mount - 350g 39mm - 81.5mm 45.5mm
RS-stocknr. 667-6044
FabrikantnummerZ21805C
FabrikantOEP
€ 18,02
Each
Aantal stuks
500Ω 1kΩ 37Ω - - 172Ω 25 x 19.3 x 18.5mm Surface Mount - 28g 18.5mm - 25mm 19.3mm
RS-stocknr. 123-7232
FabrikantnummerZ1688E
FabrikantOEP
€ 8,97
Each
Aantal stuks
600Ω 2.4kΩ 117Ω 2mW - 425Ω 18 x 18 x 15mm Through Hole PC Pin 14g 15mm - 18mm 18mm
RS-stocknr. 123-7218
FabrikantnummerZ1670E
FabrikantOEP
€ 8,97
Each
Aantal stuks
50Ω 50Ω 10.3Ω 2mW - 13.3Ω 18 x 18 x 15mm Through Hole PC Pin 14g 15mm - 18mm 18mm
RS-stocknr. 210-6368
FabrikantnummerE187A
FabrikantOEP
€ 10,25
Each
Aantal stuks
800Ω 800Ω 63Ω - - 84Ω 20.5 x 17 x 16mm Through Hole - - 16mm - 20.5mm 17mm
RS-stocknr. 123-7202
FabrikantnummerA187A14C
FabrikantOEP
€ 28,84
Each
Aantal stuks
150 Ω, 600 Ω 10kΩ 38Ω - - 1.085kΩ 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm - 29.4mm 25mm
RS-stocknr. 168-3124
Fabrikantnummer749196517
FabrikantWurth Elektronik
€ 6,712
Each (On a Reel of 120)
Aantal stuks
- - 36mΩ - 2.3A - 21.5 x 21 x 12mm Surface Mount Solder - 12mm - 21.5mm 21mm
RS-stocknr. 123-7234
FabrikantnummerZ30A18C
FabrikantOEP
€ 33,12
Each
Aantal stuks
150 Ω, 600 Ω 150 Ω, 600 Ω 36.4Ω - - 44.4Ω 36 x 30 x 16mm Through Hole PC Pin 57g 16mm - 36mm 30mm
RS-stocknr. 168-3245
Fabrikantnummer749196248
FabrikantWurth Elektronik
€ 6,63
Each
Aantal stuks
- - 200mΩ - 800mA - 16.3 x 12 x 7.4mm Surface Mount Solder - 7.4mm - 16.3mm 12mm
RS-stocknr. 123-7239
FabrikantnummerCUI30A04E
FabrikantOEP
€ 26,08
Each
Aantal stuks
150 (Parallel) Ω, 600 (Series) Ω 150 (Parallel) Ω, 600 (Series) Ω 9 + 9Ω 2W - 11.4 + 11.4Ω 53.4 x 44.4 x 22.5mm Through Hole PC Pin 185g 22.5mm - 53.4mm 44.4mm
RS-stocknr. 106-8579
FabrikantnummerDA102C
€ 1,25
Each (In a Tube of 50)
Aantal stuks
- - - - - - 9 x 6.35 x 10.16mm Through Hole - - 10.16mm - 9mm 6.35mm
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