Audio Transformers

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Part Details Brand Recently Introduced Primary Impedance Secondary Impedance Primary DC Resistance Power Rating Current Rating Secondary DC Resistance Dimensions Mounting Type Termination Type Weight Depth Length Width Minimum Operating Frequency Primary Current Rating Maximum Temperature Maximum Operating Frequency Isolation Voltage Construction Minimum Temperature Core Type Turns Ratio
10K to 10K Line Input Transformer 1+1:1
  • RS Stock No. 123-7201
  • Brand OEP
  • Mfr. Part No. A187A13C
OEP new products only 10kΩ 10kΩ 469 (Primary 1) Ω, 580 (Primary 2) Ω - - 591Ω 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm 29.4mm 25mm 20Hz - +70°C 30kHz 250V Enclosed -20°C Laminated 1+1:1
1:1 Line Output Transformer, 600R +25dBU OEP new products only 600Ω 600Ω 40Ω - - 40Ω 66.7 x 33 x 36mm Panel Mount Solder 180g 36mm 66.7mm 33mm 5Hz - +60°C 35kHz 250V Open Frame -20°C Laminated 1:1
1:1:1 Dual Output Splitting transformer
  • RS Stock No. 123-7199
  • Brand OEP
  • Mfr. Part No. A187A11C
OEP new products only 577Ω 1 + 1kΩ 49.8Ω - - 48.5 (Secondary 1) Ω, 50 (Secondary 2) Ω 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm 29.4mm 25mm 15Hz - +70°C 50kHz 250V Enclosed 0°C Laminated 1:1:1
Line Input Transformer, 200/800-5k/20k
  • RS Stock No. 123-7235
  • Brand OEP
  • Mfr. Part No. Z30A23C
OEP new products only 200 Ω, 800 Ω 5kΩ 42 (Parallel) Ω, 45 (Series) Ω - - 929Ω 36 x 30 x 16mm Through Hole PC Pin 57g 16mm 36mm 30mm 10Hz - +70°C 35kHz 1000V Enclosed -20°C Laminated 1 + 1 : 5
Line Matching Transformer 600uH 1:1 Bourns new products only 600Ω - 115Ω - - 115Ω 12.8 x 7.5 x 9mm Surface Mount Solder - 9mm 12.8mm 7.5mm 200Hz - +85°C 4kHz 1.5kV Encapsulated -20°C Laminated 1:1
Microphone Input Transformer 1K2 to 4K8
  • RS Stock No. 123-7213
  • Brand OEP
  • Mfr. Part No. J30A04C
OEP new products only 150 Ω, 600 Ω 2.4kΩ 40Ω - - 432Ω 36 x 30 x 25mm Through Hole PC Pin 110g 25mm 36mm 30mm 10Hz - +70°C 35kHz 500V Enclosed -20°C Laminated 1 + 1 : 4
Microphone Step Up Transformer 1 CT:10
  • RS Stock No. 123-7203
  • Brand OEP
  • Mfr. Part No. A187A15C
OEP new products only 110Ω 11kΩ 20.2Ω - - 1.59kΩ 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm 29.4mm 25mm 5Hz - +70°C 60kHz 500V Enclosed -20°C Laminated 1 C.T:10
Microphone Transformer 200R/600R 1:1.73
  • RS Stock No. 123-7205
  • Brand OEP
  • Mfr. Part No. A187A17C
OEP new products only 200Ω 600Ω 11.5Ω - - 42Ω 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm 29.4mm 25mm 20Hz - +70°C 30kHz 500V Enclosed 0°C Laminated 1:1.73
Panel Mount Audio Transformer, 3.75 Ω, 7.5 Ω, 15 Ω, 10W
  • RS Stock No. 123-7240
  • Brand OEP
  • Mfr. Part No. D29A09F
OEP new products only 6.6kΩ 3.75 Ω, 7.5 Ω, 15 Ω 294.7Ω 10W - 682mΩ 76.8 x 64 x 64mm Panel Mount Solder 860g 64mm 76.8mm 64mm 40Hz - +60°C 25kHz 2000V Open Frame -20°C Laminated -
Panel Mount Audio Transformer, 4 Ω, 8 Ω, 12W
  • RS Stock No. 123-7241
  • Brand OEP
  • Mfr. Part No. R35A03F
OEP new products only 5kΩ 4 Ω, 8 Ω 320Ω 12W - 750mΩ 87.3 x 52 x 49.5mm Panel Mount Solder 465g 49.5mm 87.3mm 52mm 50Hz - +60°C 20kHz 2000V Open Frame -20°C Laminated -
Panel Mount Audio Transformer, 4 Ω, 8 Ω, 16 Ω, 25W
  • RS Stock No. 123-7237
  • Brand OEP
  • Mfr. Part No. V78A01F
OEP new products only 5.6kΩ 4 Ω, 8 Ω, 16 Ω 100Ω 25W - 432Ω 100 x 84 x 68.6mm Panel Mount Solder 1955g 68.6mm 100mm 84mm 20Hz - +60°C 40kHz 1000V Open Frame -20°C Laminated -
Panel Mount Audio Transformer, 8 Ω, 16 Ω, 3W
  • RS Stock No. 123-7242
  • Brand OEP
  • Mfr. Part No. R35A03F/4
OEP new products only 5kΩ 8 Ω, 16 Ω 365Ω 3W - 900mΩ 87.3 x 52 x 49.5mm Panel Mount Solder 465g 49.5mm 87.3mm 52mm 50Hz - +60°C 20kHz 2000V Open Frame -20°C Laminated -
Screened Microphone Transformer 11.5:1+1
  • RS Stock No. 123-7198
  • Brand OEP
  • Mfr. Part No. A187A10C
OEP new products only 140kΩ 1 + 1kΩ 3.2kΩ - - 314Ω 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm 29.4mm 25mm 10Hz - +70°C 25kHz 250V Enclosed 0°C Laminated 11.5:1+1
Through Hole Audio Transformer, 1 kΩ, 4 kΩ, 100mW
  • RS Stock No. 123-7208
  • Brand OEP
  • Mfr. Part No. A262A41E
OEP new products only 1 kΩ, 4 kΩ 1 kΩ, 4 kΩ 132Ω 100mW - 190Ω 27.94 x 22.9 x 22.2mm Through Hole PC Pin 40g 22.2mm 27.94mm 22.9mm 30Hz - +70°C 35kHz 1000V Enclosed -25°C Laminated 1+1:1+1
Through Hole Audio Transformer, 1.25 kΩ, 5 kΩ, 100mW
  • RS Stock No. 123-7211
  • Brand OEP
  • Mfr. Part No. A262A48E
OEP new products only 150 Ω, 600 Ω 1.25 kΩ, 5 kΩ 20.6Ω 100mW - 220Ω 27.94 x 22.9 x 22.2mm Through Hole PC Pin 40g 22.2mm 27.94mm 22.9mm 30Hz - +70°C 30kHz 1000V Enclosed -25°C Laminated 1 + 1:2.89 + 2.89
Through Hole Audio Transformer, 1.2kΩ, 2mW OEP new products only 600Ω 1.2kΩ 117Ω 2mW - 262Ω 18 x 18 x 15mm Through Hole PC Pin 14g 15mm 18mm 18mm 40Hz - +75°C 20kHz 1000V Enclosed -20°C Laminated 1:1.41 C.T
Through Hole Audio Transformer, 1.5 + 1.5 + 1.5kΩ
  • RS Stock No. 123-7214
  • Brand OEP
  • Mfr. Part No. J30A09C
OEP new products only 600Ω 1.5 + 1.5 + 1.5kΩ 83Ω - - 89Ω 36 x 30 x 25mm Through Hole PC Pin 110g 25mm 36mm 30mm 10Hz - +70°C 50kHz 500V Enclosed -20°C Laminated 1:1:1:1
Through Hole Audio Transformer, 10 kΩ, 39 kΩ
  • RS Stock No. 123-7216
  • Brand OEP
  • Mfr. Part No. J30A14C
OEP new products only 200 Ω, 800 Ω 10 kΩ, 39 kΩ 118Ω - - 1.384kΩ 36 x 30 x 25mm Through Hole PC Pin 110g 25mm 36mm 30mm 10Hz - +70°C 50kHz 1000V Enclosed -20°C Laminated 1+1:3.5+3.5
Through Hole Audio Transformer, 10 kΩ, 49 kΩ
  • RS Stock No. 123-7204
  • Brand OEP
  • Mfr. Part No. A187A16C/1
OEP new products only 30 Ω, 100 Ω 10 kΩ, 49 kΩ 19Ω - - 647Ω 29.4 x 25 x 24.2mm Through Hole PC Pin 56g 24.2mm 29.4mm 25mm 10Hz - +70°C 30kHz 500V Enclosed 0°C Laminated 1 C.T :7+10
Through Hole Audio Transformer, 100Ω, 2mW OEP new products only 50Ω 100Ω 10.3Ω 2mW - 21.4Ω 18 x 18 x 15mm Through Hole PC Pin 14g 15mm 18mm 18mm 40Hz - +75°C 20kHz 1000V Enclosed -20°C Laminated 1:1.41 C.T
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