Audio Transformers
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Mfr Part #
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Quantity Available
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Price
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Product Status
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Turns Ratio - Primary:Secondary
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Impedance - Primary (Ohms)
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Impedance - Secondary (Ohms)
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DC Resistance (DCR) - Primary
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DC Resistance (DCR) - Secondary
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Transformer Type
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Frequency Range
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Frequency Response
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Voltage - Isolation
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Insertion Loss
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Return Loss
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Power Level
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Operating Temperature
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Approval Agency
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Mounting Type
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Size / Dimension
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Height - Seated (Max)
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Termination Style
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1 In Stock |
136.99000 |
Active |
15.93:1 |
4kCT |
8, 16 |
138Ohm |
720mOhm |
Push-Pull Audiophile, Ultra-Linear - Tube Output |
70Hz ~ 15kHz |
±1dB |
- |
- |
- |
30W |
- |
- |
Chassis Mount |
3.125" L x 3.325" W (79.38mm x 84.46mm) |
3.843" (97.61mm) |
Wire Leads |
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4122 In Stock |
7.57630 |
Active |
1:0.02 |
10kCT |
4 |
1.2kOhm |
1Ohm |
Data/Voice Coupling |
300Hz ~ 100kHz |
±2dB |
500VRMS @ 30 Seconds |
- |
- |
40mW |
-20°C ~ 85°C |
- |
Through Hole |
0.409" L x 0.310" W (10.40mm x 7.87mm) |
0.465" (11.80mm) |
PC Pin |
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2 In Stock |
37.28000 |
Active |
6.88:1 |
600CT |
3.2CT |
40Ohm |
270mOhm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
100VRMS |
- |
- |
2W |
- |
- |
Through Hole |
1.315" L x 0.930" W (33.40mm x 23.62mm) |
0.920" (23.37mm) |
PC Pin |
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 |
7 In Stock |
24.02000 |
Active |
- |
2k |
200CT |
140Ohm |
9Ohm |
Economical Open Type |
150Hz ~ 15kHz |
±1dB |
- |
- |
- |
135mW |
- |
- |
Chassis Mount |
1.630" L x 0.880" W (41.40mm x 22.35mm) |
0.810" (20.57mm) |
Wire Leads |
|
5129 In Stock |
4.42500 |
Active |
1:1.04 |
600 |
600 |
75Ohm |
95Ohm |
Data/Voice Coupling |
300Hz ~ 3.5kHz |
-2.5dB ~ 0.3dB |
1500VRMS @ 1 Minute |
1.9dB Max @ 1.8kHz |
14dB Min @ 1.8kHz |
-45dB ~ 10dB |
- |
CSA-C22.2 No. 66-M1988, UL1459 |
Through Hole |
0.799" L x 1.201" W (20.30mm x 30.50mm) |
0.500" (12.70mm) |
PC Pin |
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3843 In Stock |
2.14500 |
Active |
1CT:1CT |
- |
- |
- |
- |
- |
- |
- |
1500Vrms |
-1dB Max @ 100kHz ~ 100MHz |
-18dB Min @ 1MHz ~ 30MHz |
- |
-40°C ~ 105°C |
- |
Surface Mount |
0.500" L x 0.343" W (12.70mm x 8.70mm) |
0.244" (6.20mm) |
Gull Wing |
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672 In Stock |
11.75000 |
Active |
3.54:1 |
150 |
12 |
20Ohm |
2.5Ohm |
Data/Voice Coupling |
300Hz ~ 100kHz |
±2dB |
500VRMS @ 30 Seconds |
- |
- |
50mW |
-20°C ~ 85°C |
- |
Through Hole |
0.409" L x 0.310" W (10.40mm x 7.87mm) |
0.465" (11.80mm) |
PC Pin |
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12 In Stock |
24.45000 |
Active |
- |
500 |
500, 125/125 |
79Ohm |
60Ohm |
Economical Open Type |
200Hz ~ 15kHz |
±1dB |
- |
0.5dB |
- |
75mW |
- |
- |
Through Hole |
0.820" L x 0.680" W (20.83mm x 17.27mm) |
0.690" (17.53mm) |
PC Pin |
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 |
1 In Stock |
103.72000 |
Active |
- |
2.5k ~ 10k |
4 ~ 32 |
- |
- |
General Purpose |
100Hz ~ 15kHz |
±1dB |
- |
- |
- |
20W |
- |
- |
Chassis Mount |
3.760" L x 2.520" W (95.50mm x 64.01mm) |
3.150" (80.01mm) |
Solder Lug |
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18 In Stock |
24.45000 |
Active |
- |
4k |
2k, 500/500 |
540Ohm |
230Ohm |
Economical Open Type |
200Hz ~ 15kHz |
±1dB |
- |
0.5dB |
- |
75mW |
- |
- |
Through Hole |
0.820" L x 0.680" W (20.83mm x 17.27mm) |
0.690" (17.53mm) |
PC Pin |
|
 |
5 In Stock |
169.86000 |
Active |
- |
4.3kCT |
4, 8, 16 |
37.19Ohm, 42.17Ohm |
244mOhm, 377mOhm, 490mOhm |
Push-Pull Audiophile, Ultra-Linear - Tube Output |
30Hz ~ 30kHz |
±1dB |
2000V @ 1 Second |
- |
- |
60W |
- |
- |
Chassis Mount |
4.250" L x 3.130" W (107.95mm x 79.50mm) |
3.810" (96.77mm) |
Wire Leads |
|
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11 In Stock |
24.02000 |
Active |
- |
20k |
8 |
1.24kOhm |
900mOhm |
Economical Open Type |
150Hz ~ 15kHz |
±1dB |
- |
- |
- |
50mW |
- |
- |
Chassis Mount |
1.000" L x 0.690" W (25.40mm x 17.53mm) |
0.690" (17.53mm) |
Wire Leads |
|
 |
1 In Stock |
37.28000 |
Active |
5.16:1 |
10kCT |
1.5kCT |
384Ohm |
58Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
100VRMS |
- |
- |
2W |
- |
- |
Through Hole |
1.315" L x 0.930" W (33.40mm x 23.62mm) |
0.920" (23.37mm) |
PC Pin |
|
 |
1214 In Stock |
12.15200 |
Active |
25:1 |
7.5kCT |
12 |
796Ohm |
2.9Ohm |
Audio Coupling |
300Hz ~ 100kHz |
±2dB |
1000VRMS @ 1 Second |
- |
- |
50mW |
-40°C ~ 85°C |
- |
Through Hole |
0.410" L x 0.310" W (10.41mm x 7.87mm) |
0.465" (11.80mm) |
PC Pin |
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 |
3608 In Stock |
18.21000 |
Active |
1:0.90 |
600 |
600 |
108Ohm |
61Ohm |
Data/Voice Coupling |
300Hz ~ 3.5kHz |
±0.5dB |
1500VAC |
1.5dB Typ |
10dB Typ |
-45dB ~ 7dB |
-20°C ~ 85°C |
- |
Through Hole |
1.650" L x 1.375" W (41.91mm x 34.93mm) |
0.680" (17.27mm) |
PC Pin |
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 |
4 In Stock |
66.21000 |
Active |
- |
40k, 10k/10k |
40k, 10k/10k |
- |
- |
Broadcast Quality |
30Hz ~ 15kHz |
±1dB |
- |
1dB Max |
- |
- |
- |
- |
Through Hole |
1.330" L x 1.640" W (33.78mm x 41.66mm) |
0.850" (21.59mm) |
PC Pin |
|
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5 In Stock |
23.80000 |
Active |
1.29:1 |
1kCT |
600CT |
92Ohm |
70Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
100VRMS |
- |
- |
150mW |
- |
- |
Through Hole |
0.630" L x 0.586" W (16.00mm x 14.88mm) |
0.630" (16.00mm) |
PC Pin |
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3141 In Stock |
5.57960 |
Active |
1:1 |
600, 150/150 |
600, 150/150 |
17Ohm, 19Ohm |
14.5Ohm, 22Ohm |
Data/Voice Coupling |
200Hz ~ 15kHz |
±2dB |
1500V |
1.5dB @ 1kHz |
26dB |
- |
-20°C ~ 85°C |
- |
Through Hole |
1.375" L x 1.187" W (34.93mm x 30.15mm) |
1.187" (30.15mm) |
PC Pin |
|
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6827 In Stock |
37.00000 |
Active |
- |
10k |
2kCT |
720Ohm |
89Ohm |
Economical Open Type |
150Hz ~ 15kHz |
±1dB |
- |
- |
- |
30mW |
- |
- |
Chassis Mount |
1.000" L x 0.690" W (25.40mm x 17.53mm) |
0.690" (17.53mm) |
Wire Leads |
|
 |
15 In Stock |
24.02000 |
Active |
- |
250CT |
3.2 |
11Ohm |
300mOhm |
Economical Open Type |
150Hz ~ 15kHz |
±1dB |
- |
- |
- |
700mW |
- |
- |
Chassis Mount |
1.630" L x 0.880" W (41.40mm x 22.35mm) |
0.810" (20.57mm) |
Wire Leads |
|
 |
358 In Stock |
23.80000 |
Active |
1:1 |
600CT |
600CT |
60Ohm |
78Ohm |
Miniature Epoxy Potted |
300Hz ~ 50kHz |
±1.5dB |
100VRMS |
- |
- |
150mW |
- |
- |
Through Hole |
0.630" L x 0.586" W (16.00mm x 14.88mm) |
0.630" (16.00mm) |
PC Pin |
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 |
1 In Stock |
113.29000 |
Active |
14.24:1 |
3.4kCT |
2, 4, 8, 16 |
41.3Ohm, 40.5Ohm, 81.8Ohm |
120mOhm, 150mOhm, 210mOhm |
Push-Pull Audiophile, Ultra-Linear - Tube Output |
50Hz ~ 12kHz |
±1dB |
- |
- |
- |
50W |
- |
- |
Chassis Mount |
3.750" L x 3.090" W (95.25mm x 78.49mm) |
3.188" (80.98mm) |
Solder Lug |
|
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10 In Stock |
24.45000 |
Active |
- |
600CT |
600CT |
53Ohm |
70Ohm |
Economical Open Type |
200Hz ~ 15kHz |
±1dB |
- |
0.5dB |
- |
1000mW |
- |
- |
Through Hole |
1.060" L x 0.820" W (26.92mm x 20.83mm) |
0.820" (20.83mm) |
PC Pin |
|
 |
7873 In Stock |
26.61000 |
Active |
- |
200kCT |
1k |
3.775kOhm |
85Ohm |
Low Profile, Open Type |
200Hz ~ 15kHz |
±2dB |
- |
- |
- |
4mW |
- |
- |
Through Hole |
0.780" L x 0.660" W (19.81mm x 16.76mm) |
0.460" (11.68mm) |
PC Pin |
