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 | Power Watt 50 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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S-21135 | 400 ct | 2000 ct | 500.00 | 3 | 2.000 | 1.50 | 0.03 | 5.00 | 32.00 | 220.00 | 55.00 | 01:02.2 | 01:01.1 |
S-21140 | 400 ct | 4000 ct | 1000.00 | 3 | 2.000 | 1.50 | 0.03 | 5.00 | 32.00 | 440.00 | 110.00 | 01:03.2 | 01:01.6 |
S-21142 | 500 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 1.41 | 0.35 | 6.25:1 | 12.5:1 |
S-21144 | 500 ct | 16 ct | 4.00 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 1.76 | 0.44 | 5.6:1 | 11.2:1 |
S-21145 | 500 ct | 50 ct | 12.50 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 5.50 | 1.38 | 3.16:1 | 6.32:1 |
S-21147 | 500 ct | 150 ct | 37.50 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 16.50 | 4.13 | 1.83:1 | 3.65:1 |
S-21150 | 500 ct | 500 ct | 125.00 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 55.00 | 13.75 | 1:01 | 2:01 |
S-21155 | *500 ct | 500 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 55.00 | 0.00 | 1:01 | - |
S-21160 | 500 ct | 600 ct | 150.00 | 3 | 2.000 | 1.50 | 0.03 | 4.50 | 40.00 | 66.00 | 16.50 | 01:01.1 | 1.83:1 |
S-21165 | 600 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 1.41 | 0.35 | 6.85:1 | 13.7:1 |
S-21167 | 600 ct | 30 ct | 7.50 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 3.30 | 0.83 | 4.47:1 | 8.94:1 |
S-21170 | 600 ct | 48 ct | 12.00 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 5.28 | 1.37 | 3.54:1 | 7.07:1 |
S-21175 | 600 ct | 200 ct | 50.00 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 22.00 | 5.50 | 1.73:1 | 3.46:1 |
S-21180** | 600 ct | 600 ct | 150.00 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 66.00 | 16.50 | 1:01 | 2:01 |
S-21185** | *600 ct | 600 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 66.00 | 0.00 | 1:01 | - |
S-21186** | *600 ct | 900 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 99.00 | 0.00 | 01:01.2 | - |
S-21187** | 600 ct | 1200 ct | 300.00 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 48.00 | 132.00 | 33.00 | 01:01.4 | 1.41:1 |
S-21190 | 640 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 4.00 | 51.00 | 1.41 | 0.35 | 7.07:1 | 14.14:1 |
S-21195 | 700 ct | 100 ct | 25.00 | 3 | 2.000 | 1.50 | 0.03 | 3.50 | 56.00 | 11.00 | 2.75 | 2.65:1 | 5.29:1 |
S-21200 | 800 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 3.50 | 64.00 | 1.41 | 0.35 | 7.91:1 | 15.8:1 |
S-21205 | 800 ct | 48 ct | 12.00 | 3 | 2.000 | 1.50 | 0.03 | 3.50 | 64.00 | 5.28 | 1.32 | 4.08:1 | 8.16:1 |
S-21210 | 800 ct | 800 ct | 200.00 | 3 | 2.000 | 1.50 | 0.03 | 3.50 | 64.00 | 88.00 | 22.00 | 1:01 | 2:01 |
S-21215 | 900 ct | 600 ct | 150.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 72.00 | 66.00 | 16.50 | 1.23:1 | 2.45:1 |
S-21217** | *900 ct | 900 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 72.00 | 99.00 | 0.00 | 1:01 | - |
S-21220 | 1000 ct | 12 ct | 3.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 80.00 | 1.32 | 0.33 | 9.13:1 | 18.26:1 |
S-21225 | 1000 ct | 50 ct | 12.50 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 80.00 | 5.50 | 1.38 | 4.47:1 | 8.94:1 |
S-21230 | 1000 ct | 1000 ct | 250.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 80.00 | 110.00 | 27.50 | 1:01 | 2:01 |
S-21235 | 1060 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 85.00 | 1.41 | 0.35 | 9.1:1 | 18.2:1 |
S-21240 | 1200 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 96.00 | 1.41 | 0.35 | 9.68:1 | 19.4:1 |
S-21245 | 1200 ct | 500 ct | 125.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 96.00 | 55.00 | 13.75 | 1.55:1 | 3.1:1 |
S-21250 | 1200 ct | 1200 ct | 300.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 96.00 | 132.00 | 33.00 | 1:01 | 2:01 |
S-21255 | *1200 ct | 1200 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 3.00 | 96.00 | 132.00 | 0.00 | 1:01 | - |
S-21260 | 1500 ct | 12 ct | 3.00 | 3 | 2.000 | 1.50 | 0.03 | 2.50 | 120.00 | 1.32 | 0.33 | 11.18:1 | 22.36:1 |
S-21265 | 1500 ct | 500 ct | 125.00 | 3 | 2.000 | 1.50 | 0.03 | 2.50 | 120.00 | 55.00 | 13.75 | 1.73:1 | 3.46:1 |
S-21270 | *1500 ct | 600 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 2.50 | 120.00 | 66.00 | 0.00 | 1.58:1 | - |
S-21275 | *1500 ct | 1500 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 2.50 | 120.00 | 165.00 | 0.00 | 1:01 | - |
S-21280 | 1600 ct | 12.8 ct | 3.20 | 3 | 2.000 | 1.50 | 0.03 | 2.50 | 128.00 | 1.41 | 0.35 | 11.18:1 | 22.36:1 |
S-21283 | 2000 ct | 8 ct | 2.00 | 3 | 2.000 | 1.50 | 0.03 | 2.20 | 160.00 | 0.88 | 0.22 | 15.8:1 | 31.6:1 |
S-21285 | 2000 ct | 2000 ct | 500.00 | 3 | 2.000 | 1.50 | 0.03 | 2.20 | 160.00 | 220.00 | 55.00 | 1:01 | 2:01 |
S-21290 | *2000 ct | 2000 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 2.20 | 160.00 | 220.00 | 0.00 | 1:01 | - |
S-21295 | 2000 ct | 8000 ct | 2000.00 | 3 | 2.000 | 1.50 | 0.03 | 2.20 | 160.00 | 880.00 | 220.00 | 1:02 | 1:01 |
S-21297 | 2500 ct | 2500 ct | 625.00 | 3 | 2.000 | 1.50 | 0.03 | 2.00 | 200.00 | 275.00 | 69.00 | 1:01 | 2:01 |
S-21300 | 3000 ct | 3000 ct | 750.00 | 3 | 2.000 | 1.50 | 0.03 | 1.80 | 240.00 | 330.00 | 83.00 | 1:01 | 2:01 |
S-21305 | *3000 ct | 3000 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 1.80 | 240.00 | 330.00 | 0.00 | 1:01 | - |
S-21310 | 3600 ct | 3600 ct | 900.00 | 3 | 2.000 | 1.50 | 0.03 | 1.70 | 288.00 | 396.00 | 99.00 | 1:01 | 2:01 |
S-21312 | 4000 ct | 16 ct | 4.00 | 3 | 2.000 | 1.50 | 0.03 | 1.60 | 320.00 | 1.76 | 0.44 | 15.8:1 | 31.6:1 |
S-21314** | 4000 ct | 600 ct | 150.00 | 3 | 2.000 | 1.50 | 0.03 | 1.60 | 320.00 | 66.00 | 16.50 | 2.58:1 | 5.16:1 |
S-21315 | 4000 ct | 1000 ct | 250.00 | 3 | 2.000 | 1.50 | 0.03 | 1.60 | 320.00 | 110.00 | 27.50 | 2:01 | 4:01 |
S-21320 | *4000 ct | 8000 ct | 0.00 | 3 | 2.000 | 1.50 | 0.03 | 1.60 | 320.00 | 880.00 | 0.00 | 01:01.4 | - |
S-21325 | 5000 ct | 500 ct | 125.00 | 3 | 2.000 | 1.50 | 0.03 | 1.40 | 400.00 | 55.00 | 13.80 | 3.16:1 | 6.32:1 |