Audio Transformers
Audio Transformers are transformers that are used over the audio frequency range. Audio Transformers are used in a variety of applications. They can provide galvanic isolation, signal gain/loss, match impedances between two interfaces, can be used as a reference and to provide feedback signal. Pico Electronics’ Audio Transformers are manufactured to MIL-PRF-27 Grade 5 Class S. These ultra-miniature transformers are made for durability while maintaining their electrical characteristics. All catalog transformers are manufactured to meet Mil-Std-202, method 107, thermal shock from -55°C to +130°C. All units can be manufactured with a 300 thermal cycle guarantee. Standard as well as custom designs are available. Pico Electronics, Inc. is an approved QPL source.
Note: All PICO products can be modified to your specifications. Please contact us for information.
To view complete series and specifications click on part number. Search Results: 3424 matches based on your selection| Part Number | Primary Impedance Ohm | Secondary Impedance Ohms Split Windings SER | Secondary Impedance Ohms Split Windings PAR | Frequency Response(±db) | Power Watt 1 KHz and higher | Power Watt 75 Hz and higher | Primary Unbalanced DC Current mA | Primary DC Resistance Ohm | Secondary DC Resistance Ohm SER CONN | Secondary DC Resistance Ohm PAR CONN | Turns Ratio Prim/Sec SEC SER CONN | Turns Ratio Prim/Sec SEC PAR CONN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RPS-82110 | 400 ct | 40 ct | 10.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 3.80 | 0.95 | 3.16:1 | 6.32:1 |
| RPS-82115 | 400 ct | 120 ct | 30.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 11.40 | 2.85 | 1.83:1 | 3.65:1 |
| RPS-82120 | 400 ct | 200 ct | 50.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 19.00 | 4.75 | 1.41:1 | 2.83:1 |
| RPS-82125 | 400 ct | 400 ct | 100.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 38.00 | 9.50 | 1:01 | 2:01 |
| RPS-82130 | 400 ct | 1000 ct | 250.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 95.00 | 23.80 | 01:01.6 | 1.26:1 |
| RPS-82135 | 400 ct | 2000 ct | 500.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 190.00 | 47.50 | 01:02.2 | 01:01.1 |
| RPS-82140 | 400 ct | 4000 ct | 1000.00 | 3 | 1.500 | 0.03 | 5.00 | 32.00 | 380.00 | 95.00 | 01:03.2 | 01:01.6 |
| RPS-82142 | 500 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 1.22 | 0.30 | 6.25:1 | 12.5:1 |
| RPS-82144 | 500 ct | 16 ct | 4.00 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 1.52 | 0.38 | 5.6:1 | 11.2:1 |
| RPS-82145 | 500 ct | 50 ct | 12.50 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 4.75 | 1.19 | 3.16:1 | 6.32:1 |
| RPS-82147 | 500 ct | 150 ct | 37.50 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 14.25 | 3.56 | 1.83:1 | 3.65:1 |
| RPS-82150 | 500 ct | 500 ct | 125.00 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 47.50 | 11.88 | 1:01 | 2:01 |
| RPS-82155 | *500 ct | 500 ct | 0.00 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 47.50 | 0.00 | 1:01 | - |
| RPS-82160 | 500 ct | 600 ct | 150.00 | 3 | 1.500 | 0.03 | 4.50 | 40.00 | 57.00 | 14.25 | 01:01.1 | 1.83:1 |
| RPS-82165 | 600 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 1.22 | 0.30 | 6.85:1 | 13.7:1 |
| RPS-82167 | 600 ct | 30 ct | 7.50 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 2.85 | 0.71 | 4.47:1 | 8.94:1 |
| RPS-82170 | 600 ct | 48 ct | 12.00 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 4.56 | 1.14 | 3.54:1 | 7.07:1 |
| RPS-82175 | 600 ct | 200 ct | 50.00 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 19.00 | 4.75 | 1.73:1 | 3.46:1 |
| RPS-82180 | 600 ct | 600 ct | 150.00 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 57.00 | 14.25 | 1:01 | 2:01 |
| RPS-82185 | *600 ct | 600 ct | 0.00 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 57.00 | 0.00 | 1:01 | - |
| RPS-82186 | *600 ct | 900 ct | 0.00 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 85.50 | 0.00 | 01:01.2 | - |
| RPS-82187 | 600 ct | 1200 ct | 300.00 | 3 | 1.500 | 0.03 | 4.00 | 48.00 | 114.00 | 28.50 | 01:01.4 | 1.41:1 |
| RPS-82190 | 640 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 4.00 | 51.20 | 1.22 | 0.30 | 7.07:1 | 14.14:1 |
| RPS-82195 | 700 ct | 100 ct | 25.00 | 3 | 1.500 | 0.03 | 3.50 | 56.00 | 9.50 | 2.38 | 2.65:1 | 5.29:1 |
| RPS-82200 | 800 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 3.50 | 64.00 | 1.22 | 0.30 | 7.91:1 | 15.8:1 |
| RPS-82205 | 800 ct | 48 ct | 12.00 | 3 | 1.500 | 0.03 | 3.50 | 64.00 | 4.56 | 1.14 | 4.08:1 | 8.16:1 |
| RPS-82210 | 800 ct | 800 ct | 200.00 | 3 | 1.500 | 0.03 | 3.50 | 64.00 | 76.00 | 19.00 | 1:01 | 2:01 |
| RPS-82215 | 900 ct | 600 ct | 150.00 | 3 | 1.500 | 0.03 | 3.00 | 72.00 | 57.00 | 14.30 | 1.23:1 | 2.45:1 |
| RPS-82217 | *900 ct | 900 ct | 0.00 | 3 | 1.500 | 0.03 | 3.00 | 72.00 | 85.50 | 0.00 | 1:01 | - |
| RPS-82220 | 1000 ct | 12 ct | 3.00 | 3 | 1.500 | 0.03 | 3.00 | 80.00 | 1.14 | 0.29 | 9.13:1 | 18.26:1 |
| RPS-82225 | 1000 ct | 50 ct | 12.50 | 3 | 1.500 | 0.03 | 3.00 | 80.00 | 4.75 | 1.19 | 4.47:1 I | 8.94:1 |
| RPS-82230 | 1000 ct | 1000 ct | 250.00 | 3 | 1.500 | 0.03 | 3.00 | 80.00 | 95.00 | 23.80 | 1:01 | 2:01 |
| RPS-82235 | 1060 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 3.00 | 85.00 | 1.22 | 0.30 | 9.1:1 | 18.2:1 |
| RPS-82240 | 1200 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 3.00 | 96.00 | 1.22 | 0.30 | 9.68:1 | 19.4:1 |
| RPS-82245 | 1200 ct | 500 ct | 125.00 | 3 | 1.500 | 0.03 | 3.00 | 96.00 | 47.50 | 11.88 | 1.55:1 | 3.1:1 |
| RPS-82250 | 1200 ct | 1200 ct | 300.00 | 3 | 1.500 | 0.03 | 3.00 | 96.00 | 114.00 | 28.50 | 1:01 | 2:01 |
| RPS-82255 | *1200 ct | 1200 ct | 0.00 | 3 | 1.500 | 0.03 | 3.00 | 96.00 | 114.00 | 0.00 | 1:01 | - |
| RPS-82260 | 1500 ct | I2 ct | 3.00 | 3 | 1.500 | 0.03 | 2.50 | 120.00 | 1.14 | 0.29 | 11.18:1 | 22.36:1 |
| RPS-82265 | 1500 ct | 500 ct | 125.00 | 3 | 1.500 | 0.03 | 2.50 | 120.00 | 47.50 | 11.88 | 1.73:1 | 3.46:1 |
| RPS-82270 | *1500 ct | 600 ct | 0.00 | 3 | 1.500 | 0.03 | 2.50 | 120.00 | 57.00 | 0.00 | 1.58:1 | - |
| RPS-82275 | *1500 ct | 1500 ct | 0.00 | 3 | 1.500 | 0.03 | 2.50 | 120.00 | 142.00 | 0.00 | 1:01 | - |
| RPS-82280 | 1600 ct | 12.8 ct | 3.20 | 3 | 1.500 | 0.03 | 2.50 | 128.00 | 1.22 | 3.00 | 11.18:1 | 22.36:1 |
| RPS-82283 | 2000 ct | 8 ct | 2.00 | 3 | 1.500 | 0.03 | 2.20 | 160.00 | 0.76 | 0.19 | 15.8:1 | 31.6:1 |
| RPS-82285 | 2000 ct | 2000 ct | 500.00 | 3 | 1.500 | 0.03 | 2.20 | 160.00 | 190.00 | 47.50 | 1:01 | 2:01 |
| RPS-82290 | *2000 ct | 2000 ct | 0.00 | 3 | 1.500 | 0.03 | 2.20 | 160.00 | 190.00 | 0.00 | 1:01 | - |
| RPS-82295 | 2000 ct | 8000 ct | 2000.00 | 3 | 1.500 | 0.03 | 2.20 | 160.00 | 760.00 | 190.00 | 1:02 | 1:01 |
| RPS-82297 | 2500 ct | 2500 ct | 625.00 | 3 | 1.500 | 0.03 | 2.00 | 200.00 | 238.00 | 59.50 | 1:01 | 2:01 |
| RPS-82300 | 3000 ct | 3000 ct | 750.00 | 3 | 1.500 | 0.03 | 1.80 | 240.00 | 285.00 | 71.30 | 1:01 | 2:01 |
| RPS-82305 | *3000 ct | 3000 ct | 0.00 | 3 | 1.500 | 0.03 | 1.80 | 240.00 | 285.00 | 0.00 | 1:01 | - |
| RPS-82310 | 3600 ct | 3600 ct | 90.00 | 3 | 1.500 | 0.03 | 1.70 | 288.00 | 342.00 | 86.00 | 1:01 | 2:01 |
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