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 selectionPart 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 300 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 |
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78070 | 150 ct | 50 ct | 12.50 | 2 | 0.400 | 0.05 | 8.20 | 12.50 | 5.80 | 1.45 | 1.73:1 | 3.46:1 |
78075 | 150 ct | 100 ct | 25.00 | 2 | 0.400 | 0.05 | 8.20 | 12.50 | 11.60 | 2.91 | 1.22:1 | 2.45:1 |
78080 | 150 ct | 150 ct | 37.50 | 2 | 0.400 | 0.05 | 8.20 | 12.50 | 17.50 | 4.37 | 1:01 | 2:01 |
78085 | 150 ct | 600 ct | 150.00 | 2 | 0.400 | 0.05 | 8.20 | 12.50 | 70.00 | 17.50 | 1:02 | 1:01 |
78090 | 200 ct | 200 ct | 50.00 | 2 | 0.400 | 0.05 | 7.00 | 16.60 | 23.30 | 5.83 | 1:01 | 2:01 |
78095 | 300 ct | 12 ct | 3.00 | 2 | 0.400 | 0.05 | 5.80 | 25.00 | 1.40 | 0.35 | 5:01 | 10:01 |
78100 | 300 ct | 50 ct | 12.50 | 2 | 0.400 | 0.05 | 5.80 | 25.00 | 5.80 | 1.45 | 2.45:1 | 4.9:1 |
78105 | 300 ct | 150 ct | 37.50 | 2 | 0.400 | 0.05 | 5.80 | 25.00 | 17.50 | 4.37 | 1.41:1 | 2.83:1 |
78110 | 300 ct | 300 ct | 75.00 | 2 | 0.400 | 0.05 | 5.80 | 25.00 | 35.00 | 8.75 | 1:01 | 2:01 |
78115 | 300 ct | 600 ct | 150.00 | 2 | 0.400 | 0.05 | 5.80 | 25.00 | 70.00 | 17.50 | 01:01.4 | 1.41:1 |
78120 | 320 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 5.60 | 26.60 | 1.49 | 0.37 | 5:01 | 10:01 |
78125 | 400 ct | 40 ct | 10.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 4.66 | 1.16 | 3.16:1 | 6.32:1 |
78130 | 400 ct | 120 ct | 30.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 14.00 | 3.50 | 1.83:1 | 3.65:1 |
78135 | 400 ct | 200 ct | 50.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 23.30 | 5.83 | 1.41:1 | 2.83:1 |
78140 | 400 ct | 400 ct | 100.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 46.60 | 11.66 | 1:01 | 2:01 |
78145 | 400 ct | 1000 ct | 250.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 116.60 | 29.16 | 01:01.6 | 1.26:1 |
78150 | 400 ct | 2000 ct | 500.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 233.30 | 58.30 | 01:02.2 | 01:01.1 |
78155 | 400 ct | 4000 ct | 1000.00 | 2 | 0.400 | 0.05 | 5.00 | 33.30 | 466.60 | 116.60 | 01:03.2 | 01:01.6 |
78160 | 500 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 1.49 | 0.37 | 6.25:1 | 12.5:1 |
78165 | 500 ct | 16 ct | 4.00 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 1.86 | 0.46 | 5.6:1 | 11.2:1 |
78170 | 500 ct | 50 ct | 12.50 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 5.83 | 1.45 | 3.16:1 | 6.32:1 |
78175 | 500 ct | 150 ct | 37.50 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 17.50 | 4.37 | 1.83:1 | 3.65:1 |
78180 | 500 ct | 500 ct | 125.00 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 58.30 | 14.58 | 1:01 | 2:01 |
78185 | *500 ct | 500 ct | 0.00 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 58.30 | 14.58 | 1:01 | - |
78190 | 500 ct | 600 ct | 150.00 | 2 | 0.400 | 0.05 | 4.50 | 41.60 | 70.00 | 17.50 | 01:01.1 | 1.83:1 |
78195 | 600 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 1.49 | 0.37 | 6.85:1 | 13.7:1 |
78200 | 600 ct | 30 ct | 7.50 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 3.50 | 0.88 | 4.47:1 | 8.94:1 |
78205 | 600 ct | 48 ct | 12.00 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 5.60 | 1.40 | 3.54:1 | 7.07:1 |
78210 | 600 ct | 200 ct | 50.00 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 23.30 | 5.83 | 1.73:1 | 3.46:1 |
78215 | 600 ct | 600 ct | 150.00 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 70.00 | 17.50 | 1:01 | 2:01 |
78220 | *600 ct | 600 ct | 0.00 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 70.00 | 17.50 | 1:01 | - |
78225 | 600 ct | 1200 ct | 300.00 | 2 | 0.400 | 0.05 | 4.10 | 50.00 | 140.00 | 35.00 | 01:01.4 | 1.41:1 |
78230 | 640 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 3.90 | 53.30 | 1.49 | 0.37 | 7.07:1 | 14.4:1 |
78235 | 700 ct | 100 ct | 25.00 | 2 | 0.400 | 0.05 | 3.80 | 58.30 | 11.60 | 2.91 | 2.65:1 | 5.29:1 |
78240 | 800 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 3.50 | 66.60 | 1.49 | 0.37 | 7.9:1 | 15.8:1 |
78245 | 800 ct | 48 ct | 12.00 | 2 | 0.400 | 0.05 | 3.50 | 66.60 | 5.60 | 1.40 | 4.08:1 | 8.16:1 |
78250 | 800 ct | 800 ct | 200.00 | 2 | 0.400 | 0.05 | 3.50 | 66.60 | 93.30 | 23.30 | 1:01 | 2:01 |
78255 | 900 ct | 600 ct | 150.00 | 2 | 0.400 | 0.05 | 3.30 | 75.00 | 70.00 | 17.50 | 1.22:1 | 2.45:1 |
78260 | 1000 ct | 12 ct | 3.00 | 2 | 0.400 | 0.05 | 3.20 | 83.30 | 1.40 | 0.35 | 9.13:1 | 18.3:1 |
78265 | 1000 ct | 50 ct | 12.50 | 2 | 0.400 | 0.05 | 3.20 | 83.30 | 5.83 | 1.45 | 4.47:1 | 8.94:1 |
78270 | 1000 ct | 1000 ct | 250.00 | 2 | 0.400 | 0.05 | 3.20 | 83.30 | 116.60 | 29.15 | 1:01 | 2:01 |
78275 | 1060 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 3.10 | 88.30 | 1.49 | 0.37 | 9.1:1 | 18.2:1 |
78280 | 1200 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 2.90 | 100.00 | 1.49 | 0.37 | 9.68:1 | 19.4:1 |
78285 | 1200 ct | 500 ct | 125.00 | 2 | 0.400 | 0.05 | 2.90 | 100.00 | 58.30 | 14.58 | 1.55:1 | 3.1:1 |
78290 | 1200 ct | 1200 ct | 300.00 | 2 | 0.400 | 0.05 | 2.90 | 100.00 | 140.00 | 35.00 | 1:01 | 2:01 |
78295 | *1200 ct | 1200 ct | 0.00 | 2 | 0.400 | 0.05 | 2.90 | 100.00 | 140.00 | 35.00 | 1:01 | - |
78300 | 1500 ct | 12 ct | 3.00 | 2 | 0.400 | 0.05 | 2.60 | 125.00 | 1.40 | 0.35 | 11.2:1 | 22.4:1 |
78305 | 1500 ct | 500 ct | 125.00 | 2 | 0.400 | 0.05 | 2.60 | 125.00 | 58.30 | 14.58 | 1.73:1 | 3.46:1 |
78310 | *1500 ct | 600 ct | 0.00 | 2 | 0.400 | 0.05 | 2.60 | 125.00 | 70.00 | 17.50 | 1.58:1 | - |
78315 | *1500 ct | 1500 ct | 0.00 | 2 | 0.400 | 0.05 | 2.60 | 125.00 | 175.00 | 43.75 | 1:01 | - |