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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รายละเอียดสินค้า / Description ราคา / Price Primary Impedance Secondary Impedance Primary DC Resistance Power Rating Current Rating Secondary DC Resistance Dimensions Mounting Type Termination Type Weight Depth Diameter Length Width
ใหม่ / New
RS Stock No. 188-8841
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.2337826-1
THB383.24
Each (On a Reel of 400)
Units
- - - - - - 31 x 12.25 x 6.99mm PCB Mount PC Pin - 6.99mm - 31mm 12.25mm
RS Stock No. 123-7233
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Z30A11C
Brand :OEP
THB1,188.00
Each
Units
150 Ω, 600 Ω 2.4 kΩ, 600 Ω 15 (Primary 1) Ω, 15 (Primary 2) Ω - - 74.2 (Secondary 1 and 2)Ω 36 x 30 x 16mm Through Hole PC Pin 57g 16mm - 36mm 30mm
RS Stock No. 123-7231
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Z1687E
Brand :OEP
THB358.00
Each
Units
600Ω 1.2kΩ 117Ω 2mW - 262Ω 18 x 18 x 15mm Through Hole PC Pin 14g 15mm - 18mm 18mm
RS Stock No. 168-3129
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196538
THB280.50
Each (On a Reel of 120)
Units
- - 102mΩ - 1.35A - 21.5 x 21 x 12mm Surface Mount Solder - 12mm - 21.5mm 21mm
ใหม่ / New
RS Stock No. 188-8842
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.2337822-4
THB218.789
Each (On a Reel of 750)
Units
- - - - - - 12.7 x 8.7 x 5.95mm PCB Mount PC Pin - 5.95mm - 12.7mm 8.7mm
RS Stock No. 123-7198
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A187A10C
Brand :OEP
THB1,079.58
Each
Units
140kΩ 1 + 1kΩ 3.2kΩ - - 314Ω 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm - 29.4mm 25mm
RS Stock No. 168-3104
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749010310
THB122.606
Each (On a Reel of 800)
Units
- - - - - - 12.7 x 8.67 x 4mm Surface Mount Solder - 4mm - 12.7mm 8.67mm
RS Stock No. 667-6076
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Z218A2E
Brand :OEP
THB628.09
Each
Units
600Ω - 60Ω - - 165Ω 21.5 x 16.3 x 18mm Through Hole - - 18mm - 21.5mm 16.3mm
RS Stock No. 106-8575
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.DA102MC
THB43.05
Each (In a Tube of 50)
Units
- - - - - - 9.52 x 9 x 6.35mm Surface Mount - 0.9g 6.35mm - 9.52mm 9mm
RS Stock No. 168-3258
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196108
THB373.00
Each
Units
- - 344mΩ - 500mA - 12.9 x 9.2 x 6.2mm Surface Mount Solder - 6.2mm - 12.9mm 9.2mm
RS Stock No. 168-3113
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196238
THB221.718
Each (On a Reel of 400)
Units
- - 200mΩ - 800mA - 16.3 x 12 x 7.4mm Surface Mount Solder - 7.4mm - 16.3mm 12mm
RS Stock No. 667-5950
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Z3002E
Brand :OEP
THB1,115.85
Each
Units
10kΩ 10kΩ 2.1kΩ - - 2.2kΩ 32 x 15 x 27mm Through Hole - - 27mm - 32mm 15mm
RS Stock No. 210-6481
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TF021
Brand :OEP
THB365.91
Each
Units
- 0.39Ω 2W - 0.47Ω 65 x 40 x 37mm Chassis Mount - 130g 37mm - 65mm 40mm
RS Stock No. 168-3245
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196248
THB393.00
Each
Units
- - 200mΩ - 800mA - 16.3 x 12 x 7.4mm Surface Mount Solder - 7.4mm - 16.3mm 12mm
RS Stock No. 168-3218
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196228
THB393.00
Each
Units
- - 200mΩ - 800mA - 16.3 x 12 x 7.4mm Surface Mount Solder - 7.4mm - 16.3mm 12mm
RS Stock No. 168-3224
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196547
THB497.00
Each
Units
- - 36mΩ - 2.3A - 21.5 x 21 x 12mm Surface Mount Solder - 12mm - 21.5mm 21mm
RS Stock No. 123-7220
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Z1672E
Brand :OEP
THB358.00
Each
Units
50Ω 200Ω 10.3Ω 2mW - 44.3Ω 18 x 18 x 15mm Through Hole PC Pin 14g 15mm - 18mm 18mm
RS Stock No. 667-6044
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Z21805C
Brand :OEP
THB1,239.84
Each
Units
500Ω 1kΩ 37Ω - - 172Ω 25 x 19.3 x 18.5mm Surface Mount - 28g 18.5mm - 25mm 19.3mm
RS Stock No. 168-3270
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196118
THB373.00
Each
Units
- - 344mΩ - 500mA - 12.9 x 9.2 x 6.2mm Surface Mount Solder - 6.2mm - 12.9mm 9.2mm
RS Stock No. 168-3111
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.749196218
THB221.718
Each (On a Reel of 400)
Units
- - 200mΩ - 800mA - 16.3 x 12 x 7.4mm Surface Mount Solder - 7.4mm - 16.3mm 12mm
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