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 300 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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77720 | 25,000 ct | 1000 ct | 250.00 | 3 | 0.400 | 0.400 | 0.110 | 0.60 | 2470.00 | 106.00 | 27.00 | 5:01 | 10:01 | |
77725 | 30,000 ct | 50 ct | 12.50 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2730.00 | 6.20 | 1.60 | 24.5:1 | 49:01:00 | |
77730 | 30,000 ct | 1200 ct | 300.00 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2815.00 | 156.00 | 39.00 | 5:01 | 10:01 | |
77732 | 30,000 ct | 500 ct | 125.00 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2730.00 | 61.00 | 15.30 | 7.7:1 | 15.5:1 | |
77734 | 30,000 ct | 200 ct | 50.00 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2730.00 | 24.00 | 6.00 | 12.2:1 | 24.5:1 | |
77735 | 30,000 ct | 5000 ct | 1250.00 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2730.00 | 620.00 | 155.00 | 2.45:1 | 4.9:1 | |
77740 | 30,000 ct | 10,000 ct | 2500.00 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2730.00 | 1090.00 | 272.00 | 1.73:1 | 3.46:1 | |
77745 | *30,000 ct | 30,000 ct | 0.00 | 3 | 0.330 | 0.330 | 0.110 | 0.50 | 2730.00 | 3740.00 | 0.00 | 1:01 | - | |
77750 | 40,000 ct | 400 ct | 100.00 | 3 | 0.250 | 0.250 | 0.110 | 0.50 | 3150.00 | 53.00 | 13.00 | 10:01 | 20:01 | |
77755 | 40,000 ct | 2000 ct | 500.00 | 3 | 0.250 | 0.250 | 0.110 | 0.50 | 3150.00 | 300.00 | 75.00 | 4.47:1 | 8.94:1 | |
77760 | 40,000 ct | 4000 ct | 1000.00 | 3 | 0.250 | 0.250 | 0.110 | 0.50 | 3150.00 | 548.00 | 137.00 | 3.16:1 | 6.32:1 | |
77765 | 40,000 ct | 20,000 ct | 5000.00 | 3 | 0.250 | 0.250 | 0.110 | 0.50 | 3150.00 | 3075.00 | 769.00 | 1.41:1 | 2.83:1 | |
77770 | *40,000 ct | 40,000 ct | 0.00 | 3 | 0.250 | 0.250 | 0.110 | 0.50 | 3940.00 | 4350.00 | 0.00 | 1:01 | - | |
77775 | 50,000 ct | 200 ct | 50.00 | 3 | 0.200 | 0.200 | 0.110 | 0.40 | 4275.00 | 24.00 | 6.00 | 15.8:1 | 31.6:1 | |
77777 | 50,000 ct | 500 ct | 125.00 | 3 | 0.200 | 0.200 | 0.110 | 0.40 | 4275.00 | 60.00 | 15.00 | 10:01 | 20:01 | |
77778 | 50,000 ct | 600 ct | 150.00 | 3 | 0.200 | 0.200 | 0.110 | 0.40 | 4275.00 | 82.00 | 21.00 | 9.13:1 | 18.26:1 | |
77779 | 50,000 ct | 50,000 ct | 12500.00 | 3 | 0.200 | 0.200 | 0.110 | 0.40 | 4500.00 | 6270.00 | 1568.00 | 1:01 | 2:01 | |
77780 | 60,000 ct | 15,000 ct | 3750.00 | 3 | 0.160 | 0.160 | 0.110 | 0.40 | 5960.00 | 1650.00 | 412.00 | 2:01 | 4:01 | |
77785 | 62,500 ct | 50 ct | 12.50 | 3 | 0.160 | 0.160 | 0.110 | 0.40 | 5960.00 | 6.00 | 1.50 | 35.4:1 | 70.7:1 | |
77787 | 80,000 ct | 15,000 ct | 3750.00 | 3 | 0.120 | 0.120 | 0.110 | 0.30 | 7200.00 | 1690.00 | 423.00 | 2.3:1 | 4.6:1 | |
77789 | 80,000 ct | 80,000 ct | 20000.00 | 3 | 0.120 | 0.120 | 0.110 | 0.30 | 7200.00 | 9920.00 | 2480.00 | 1:01 | 2:01 | |
77790 | 90,000 ct | 10,000 ct | 2500.00 | 3 | 0.110 | 0.110 | 0.110 | 0.30 | 7500.00 | 1350.00 | 338.00 | 3:01 | 6:01 | |
77795 | 95,000 ct | 15,000 ct | 3750.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 9550.00 | 1635.00 | 410.00 | 2.5:1 | 5:01 | |
77800 | 100,000 ct | 60 ct | 15.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 10000.00 | 8.50 | 2.20 | 40.8:1 | 81.6:1 | |
77805 | 100,000 ct | 100 ct | 25.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 10000.00 | 14.00 | 3.50 | 31.6:1 | 63.2:1 | |
77810 | 100,000 ct | 500 ct | 125.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 10000.00 | 62.00 | 15.50 | 14.1:1 | 28.3:1 | |
77813 | 100,000 ct | 1000 ct | 250.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 10000.00 | 140.00 | 35.00 | 10:01 | 20:01 | |
77814 | 100,000 ct | 2000 ct | 500.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 10000.00 | 248.00 | 62.00 | 7.07:1 | 14.14:1 | |
77815 | 100,000 ct | 10,000 ct | 2500.00 | 3 | 0.100 | 0.100 | 0.100 | 0.30 | 10000.00 | 1075.00 | 270.00 | 3.16:1 | 6.32:1 | |
77820 | 135,000 ct | 82 ct | 20.50 | 3 | 0.074 | 0.074 | 0.074 | 0.25 | 13700.00 | 9.50 | 2.40 | 40.6:1 | 81.2:1 | |
77823 | 200,000 ct | 500 ct | 125.00 | 3 | 0.050 | 0.050 | 0.050 | 0.20 | 17340.00 | 75.00 | 19.00 | 20:01 | 40:01:00 | |
77825 | 200,000 ct | 1000 ct | 250.00 | 3 | 0.050 | 0.050 | 0.050 | 0.20 | 17340.00 | 133.00 | 33.00 | 14.1:1 | 28.3:1 | |
77830 | 200,000 ct | 10,000 ct | 2500.00 | 3 | 0.050 | 0.050 | 0.050 | 0.20 | 17340.00 | 1350.00 | 336.00 | 4.47:1 | 8.94:1 | |
77835 | 200,000 ct | 20,000 ct | 5000.00 | 3 | 0.050 | 0.050 | 0.050 | 0.20 | 17340.00 | 3000.00 | 750.00 | 3.16:1 | 6.32:1 | |
77837 | 250,000 ct | 200 ct | 50.00 | 3 | 0.040 | 0.040 | 0.040 | 0.20 | 17340.00 | 28.00 | 7.00 | 35.4:1 | 70.7:1 | |
77840 | 250,000 ct | 1000 ct | 250.00 | 3 | 0.040 | 0.040 | 0.040 | 0.20 | 17340.00 | 118.00 | 30.00 | 15.8:1 | 31.6:1 | |
78003 | 10 ct | 10 ct | 2.50 | 2 | 0.400 | 0.05 | 31.60 | 0.83 | 1.16 | 0.29 | 1:01 | 2:01 | ||
78005 | 20 ct | 8 ct | 2.00 | 2 | 0.400 | 0.05 | 22.30 | 1.66 | 0.93 | 0.23 | 1.58:1 | 3.16:1 | ||
78010 | 20 ct | 20 ct | 5.00 | 2 | 0.400 | 0.05 | 22.30 | 1.66 | 2.33 | 0.58 | 1:01 | 2:01 | ||
78015 | 32 ct | 32 ct | 8.00 | 2 | 0.400 | 0.05 | 17.60 | 2.66 | 3.73 | 0.93 | 1:01 | 2:01 | ||
78020 | 40 ct | 40 ct | 10.00 | 2 | 0.400 | 0.05 | 15.80 | 3.33 | 4.66 | 1.16 | 1:01 | 2:01 | ||
78025 | 48 ct | 16 ct | 4.00 | 2 | 0.400 | 0.05 | 14.40 | 4.00 | 1.86 | 0.46 | 1.73:1 | 3.46:1 | ||
78030 | 50 ct | 50 ct | 12.50 | 2 | 0.400 | 0.05 | 14.10 | 4.16 | 5.80 | 1.45 | 1:01 | 2:01 | ||
78035 | 80 ct | 32 ct | 8.00 | 2 | 0.400 | 0.05 | 11.10 | 6.66 | 3.73 | 0.93 | 1.58:1 | 3.16:1 | ||
78040 | 100 ct | 40 ct | 10.00 | 2 | 0.400 | 0.05 | 10.00 | 8.33 | 4.66 | 1.16 | 1.58:1 | 3.16:1 | ||
78045 | 100 ct | 100 ct | 25.00 | 2 | 0.400 | 0.05 | 10.00 | 8.33 | 11.60 | 2.91 | 1:01 | 2:01 | ||
78050 | 120 ct | 12.8 ct | 3.20 | 2 | 0.400 | 0.05 | 9.10 | 10.00 | 1.49 | 0.37 | 3.06:1 | 6.12:1 | ||
78055 | 120 ct | 60 ct | 15.00 | 2 | 0.400 | 0.05 | 9.10 | 10.00 | 7.00 | 1.75 | 1.41:1 | 2.83:1 | ||
78060 | 120 ct | 120 ct | 30.00 | 2 | 0.400 | 0.05 | 9.10 | 10.00 | 14.00 | 3.50 | 1:01 | 2:01 | ||
78065 | 150 ct | 12 ct | 3.00 | 2 | 0.400 | 0.05 | 8.20 | 12.50 | 1.40 | 0.35 | 3.54:1 | 7.08:1 |