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 400 Hz and higher | Power Watt 150 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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77280 | 300 ct | 12 ct | 3.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 30.00 | 1.75 | 0.44 | 5:01 | 10:01 |
77285 | 300 ct | 50 ct | 12.50 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 27.00 | 6.20 | 1.60 | 2.45:1 | 4.9:1 |
77290 | 300 ct | 150 ct | 37.50 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 26.00 | 21.00 | 5.30 | 1.41:1 | 2.83:1 |
77295 | 300 ct | 300 ct | 75.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 27.00 | 38.00 | 9.50 | 1:01 | 2:01 |
77300 | 300 ct | 600 ct | 150.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 27.00 | 66.00 | 17.00 | 1.41:1 | 1.41:1 |
77305 | 320 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 30.00 | 1.75 | 0.44 | 5:01 | 10:01 |
77310 | 400 ct | 40 ct | 10.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 39.00 | 4.30 | 1.10 | 3.16:1 | 6.32:1 |
77315 | 400 ct | 120 ct | 30.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 30.00 | 14.00 | 3.50 | 1.83:1 | 3.65:1 |
77320 | 400 ct | 200 ct | 50.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 39.00 | 24.00 | 6.00 | 1.41:1 | 2.83:1 |
77325 | 400 ct | 400 ct | 100.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 39.00 | 42.00 | 10.50 | 1:01 | 2:01 |
77330 | 400 ct | 1000 ct | 250.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 39.00 | 109.00 | 28.00 | 01:01.6 | 1.26:1 |
77335 | 400 ct | 2000 ct | 500.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 39.00 | 198.00 | 49.00 | 01:02.2 | 01:01.1 |
77340 | 400 ct | 4000 ct | 1000.00 | 3 | 1.000 | 0.750 | 0.110 | 5.00 | 39.00 | 436.00 | 109.00 | 01:03.2 | 01:01.6 |
77342 | 500 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 1.60 | 0.40 | 6.25:1 | 12.5:1 |
77344 | 500 ct | 16 ct | 4.00 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 2.30 | 0.56 | 5.6:1 | 11.2:1 |
77345 | 500 ct | 50 ct | 12.50 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 5.80 | 1.50 | 3.16:1 | 6.32:1 |
77347 | 500 ct | 150 ct | 37.50 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 19.80 | 5.00 | 1.83:1 | 3.65:1 |
77350 | 500 ct | 500 ct | 125.00 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 60.00 | 15.00 | 1:01 | 2:01 |
77355 | *500 ct | 500 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 60.00 | 0.00 | 1:01 | - |
77360 | 500 ct | 600 ct | 150.00 | 3 | 1.000 | 0.750 | 0.110 | 4.50 | 43.00 | 66.00 | 17.00 | 01:01.1 | 1.83:1 |
77365 | 600 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 68.00 | 1.75 | 0.44 | 6.85:1 | 13.7:1 |
77367 | 600 ct | 30 ct | 7.50 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 3.70 | 0.93 | 4.47:1 | 8.94:1 |
77370 | 600 ct | 48 ct | 12.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 5.90 | 1.50 | 3.54:1 | 7.07:1 |
77375 | 600 ct | 200 ct | 50.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 25.00 | 6.30 | 1.73:1 | 3.46:1 |
77380 | 600 ct | 600 ct | 150.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 66.00 | 17.00 | 1:01 | 2:01 |
77385 | *600 ct | 600 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 68.00 | 0.00 | 1:01 | - |
77386 | *600 ct | 900 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 104.00 | 0.00 | 01:01.2 | - |
77387 | 600 ct | 1200 ct | 300.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 60.00 | 116.00 | 29.00 | 01:01.4 | 1.41:1 |
77390 | 640 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 69.00 | 1.75 | 0.44 | 7.07:1 | 14.14:1 |
77395 | 700 ct | 100 ct | 25.00 | 3 | 1.000 | 0.750 | 0.110 | 4.00 | 62.00 | 10.60 | 2.70 | 2.65:1 | 5.29:1 |
77400 | 800 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 3.50 | 78.00 | 1.75 | 0.44 | 7.91:1 | 15.8:1 |
77405 | 800 ct | 48 ct | 12.00 | 3 | 1.000 | 0.750 | 0.110 | 3.50 | 74.00 | 6.00 | 1.50 | 4.08:1 | 8.16:1 |
77410 | 800 ct | 800 ct | 200.00 | 3 | 1.000 | 0.750 | 0.110 | 3.50 | 74.00 | 102.00 | 26.00 | 1:01 | 2:01 |
77415 | 900 ct | 600 ct | 150.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 90.00 | 66.00 | 17.00 | 1.23:1 | 2.45:1 |
77417 | *900 ct | 900 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 90.00 | 102.00 | 0.00 | 1:01 | - |
77420 | 1000 ct | 12 ct | 3.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 115.00 | 1.75 | 0.44 | 9.13:1 | 18.26:1 |
77425 | 1000 ct | 50 ct | 12.50 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 100.00 | 5.80 | 1.50 | 4.47:1 | 8.94:1 |
77430 | 1000 ct | 1000 ct | 250.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 75.00 | 103.00 | 26.00 | 1:01 | 2:01 |
77435 | 1060 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 115.00 | 1.75 | 0.44 | 9.1:1 | 18.2:1 |
77440 | 1200 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 122.00 | 1.75 | 0.44 | 9.68:1 | 19.4:1 |
77445 | 1200 ct | 500 ct | 125.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 113.00 | 63.00 | 16.00 | 1.55:1 | 3.1:1 |
77450 | 1200 ct | 1200 ct | 300.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 113.00 | 155.00 | 39.00 | 1:01 | 2:01 |
77455 | *1200 ct | 1200 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 3.00 | 109.00 | 150.00 | 0.00 | 1:01 | - |
77460 | 1500 ct | 12 ct | 3.00 | 3 | 1.000 | 0.750 | 0.110 | 2.50 | 140.00 | 1.75 | 0.44 | 11.18:1 | 22.36:1 |
77465 | 1500 ct | 500 ct | 125.00 | 3 | 1.000 | 0.750 | 0.110 | 2.50 | 150.00 | 60.00 | 15.00 | 1.73:1 | 3.46:1 |
77470 | *1500 ct | 600 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 2.50 | 150.00 | 66.00 | 0.00 | 1.58:1 | - |
77475 | *1500 ct | 1500 ct | 0.00 | 3 | 1.000 | 0.750 | 0.110 | 2.50 | 150.00 | 168.00 | 0.00 | 1:01 | - |
77480 | 1600 ct | 12.8 ct | 3.20 | 3 | 1.000 | 0.750 | 0.110 | 2.50 | 140.00 | 1.75 | 0.44 | 11.18:1 | 22.36:1 |
77483 | 2000 ct | 8 ct | 2.00 | 3 | 1.000 | 0.750 | 0.110 | 2.00 | 250.00 | 1.00 | 0.25 | 15.8:1 | 31.6:1 |
77485 | 2000 ct | 2000 ct | 500.00 | 3 | 1.000 | 0.750 | 0.110 | 2.00 | 185.00 | 255.00 | 64.00 | 1:01 | 2:01 |