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Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Turns Ratio - Primary:Secondary
Impedance - Primary (Ohms)
Impedance - Secondary (Ohms)
DC Resistance (DCR) - Primary
DC Resistance (DCR) - Secondary
Transformer Type
Frequency Range
Frequency Response
Voltage - Isolation
Insertion Loss
Return Loss
Power Level
Operating Temperature
Approval Agency
Mounting Type
Size / Dimension
Height - Seated (Max)
Termination Style
101f-b
101F
TRANSFORMER AUDIO 600CT/600CT
Hammond Manufacturing
717
In Stock
1 : 20,53000 €
Bulk
Bulk
Active1:1600CT600CT44Ohm52OhmMiniature Epoxy Potted200Hz ~ 100kHz±0.5dB100VRMS--100mW-40°C ~ 85°C-Through Hole0.450" L x 0.450" W (11.43mm x 11.43mm)0.480" (12.19mm)PC Pin
107-Series
107B
TRANSFORMER AUDIO 150CT/12
Hammond Manufacturing
1.221
In Stock
1 : 20,75000 €
Bulk
Bulk
Active3.53:1150CT1222Ohm1.85OhmMiniature Epoxy Potted300Hz ~ 50kHz±1.5dB100VRMS--150mW--Through Hole0.630" L x 0.586" W (16.00mm x 14.88mm)0.630" (16.00mm)PC Pin
50.279
In Stock
1 : 2,04000 €
Cut Tape (CT)
500 : 0,95750 €
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active---250mOhm250mOhm---3750Vrms----40°C ~ 125°C-Surface Mount0.280" L x 0.205" W (7.10mm x 5.20mm)0.138" (3.50mm)Gull Wing
TTC-5017
TTC-5017
TRANSFORMER TELECOMM 600:600 OHM
Tamura
18.376
In Stock
1 : 4,65000 €
Bulk
Bulk
Active1:160060059Ohm59OhmData/Voice Coupling200Hz ~ 4kHz±0.5dB1875VRMS @ 1 Second1.5dB Max @ 1kHz14dB Min @ 200Hz ~ 4kHz--UL60950Through Hole0.591" L x 0.571" W (15.00mm x 14.50mm)0.472" (12.00mm)PC Pin
TY-250P
TY-250P
PC MOUNT AUDIO TRANSFORMER
Triad Magnetics
2.204
In Stock
1 : 5,75000 €
Box
Box
Active1:1, 2:11kCT1kCT172Ohm172OhmImpedance Matching20Hz ~ 20kHz±1dB1500VAC2.8dB Max @ 1kHz---40°C ~ 105°C-Through Hole0.800" L x 0.770" W (20.32mm x 19.56mm)0.700" (17.78mm)PC Pin
TY-307P, TY-307P-B
TY-307P
TRANSF 600 OHM 0MA DC TEL
Triad Magnetics
3.651
In Stock
2.274
Factory
1 : 5,84000 €
Bulk
Bulk
Active1:1.0760060043Ohm61OhmData/Voice Coupling300Hz ~ 3.5kHz±0.5dB1500VAC1dB Typ26dB Typ-45dB ~ 7dB-20°C ~ 85°C-Through Hole0.670" L x 0.781" W (17.02mm x 19.84mm)0.470" (11.94mm)PC Pin
TY-145P, TY-145P-B
TY-145P
TRANSF 600 AUDIO CTAP/600 CTAP
Triad Magnetics
9.051
In Stock
1 : 5,86000 €
Bulk
Bulk
Active1:1600CT600CT44Ohm58OhmData/Voice Coupling200Hz ~ 15kHz±2dB1500V1.5dB26dB100mW-20°C ~ 85°C-Through Hole0.812" L x 0.700" W (20.62mm x 17.78mm)0.740" (18.80mm)PC Pin
TY-141P, TY-141P-B
TY-141P
TRANSF 10K AUDIO CTAP/10K CTAP
Triad Magnetics
7.895
In Stock
1.541
Factory
1 : 5,86000 €
Bulk
Bulk
Active1:110kCT10kCT820Ohm1.07kOhmData/Voice Coupling200Hz ~ 15kHz±2dB1500V1.5dB26dB100mW-20°C ~ 85°C-Through Hole0.812" L x 0.700" W (20.62mm x 17.78mm)0.740" (18.80mm)PC Pin
TY-142P, TY-142P-B
TY-142P
TRANSF 10K AUDIO CTAP/2K CTAP
Triad Magnetics
1.860
In Stock
953
Factory
1 : 5,86000 €
Bulk
Bulk
Active2.24:110kCT2kCT750Ohm217OhmData/Voice Coupling200Hz ~ 15kHz±2dB1500V1.5dB26dB100mW-20°C ~ 85°C-Through Hole0.812" L x 0.700" W (20.62mm x 17.78mm)0.740" (18.80mm)PC Pin
TTC-170
TTC-170
TRANSF TELE COUP 600:600 0MADC
Tamura
156
In Stock
1 : 6,86000 €
Tube
Tube
Active1:160060047Ohm61OhmData/Voice Coupling300Hz ~ 3.5kHz±0.5dB1500VRMS @ 1 Minute1.5dB Max @ 1kHz--0°C ~ 70°CCSA-C22.2 No. 66-M1988, UL1459Through Hole0.528" L x 0.512" W (13.40mm x 13.00mm)0.421" (10.70mm)PC Pin
MET-46-T
MET-46-T
TEL TRANS 600:600 3.0MADC
Triad Magnetics
12.069
In Stock
1 : 10,58000 €
Bulk
Bulk
Active1:160060085Ohm110OhmData/Voice Coupling300Hz ~ 3.5kHz±2dB1000VRMS @ 1 Second--50mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET Series
MET-59-T
AUDIO XFMR 600/150:150 THRU HOLE
Triad Magnetics
599
In Stock
1 : 11,17000 €
Bulk
Bulk
Active2:1:1600150/15070Ohm95OhmData/Voice Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET28,39,42,46
MET-46
TEL TRANS 600:600 3.0MADC
Tamura
28.652
In Stock
1 : 12,28000 €
Tube
Tube
Active1:160060085Ohm110OhmData/Voice Coupling300Hz ~ 3.5kHz±1dB1500VRMS @ 1 Minute--50mW-40°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET-35
MET-35
TRANSFORMER 600CT:8 4.5MADC
Tamura
9.944
In Stock
1 : 12,28000 €
Tube
Tube
Active8.66:1600CT860Ohm1.5OhmData/Voice Coupling300Hz ~ 100kHz±2dB1000VRMS @ 30 Seconds--50mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET-01,05,09,11,17,31,32,38,59
MET-09
TRANSFORMER 10KCT:10KCT 1.0MADC
Tamura
7.516
In Stock
1 : 12,28000 €
Tube
Tube
Active1:110kCT10kCT1kOhm1.3kOhmData/Voice Coupling300Hz ~ 100kHz±2dB500VRMS @ 30 Seconds--40mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET-32
MET-32
TRANSFORMER 600:600CT 3.0MADC
Tamura
7.123
In Stock
1 : 12,28000 €
Tube
Tube
Active2:1:1600600, 150/15070Ohm95OhmData/Voice Coupling300Hz ~ 100kHz±2dB1000VRMS @ 30 Seconds--50mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET-01,05,09,11,17,31,32,38,59
MET-31
TRANSFORMER 600CT:600CT 3.0MADC
Tamura
4.339
In Stock
1 : 12,28000 €
Tube
Tube
Active1:1600CT600CT70Ohm95OhmData/Voice Coupling300Hz ~ 100kHz±2dB1000VRMS @ 30 Seconds--50mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET-23, MET-29, MET-39
MET-23
TRANSFORMER 1.6KCT:3.2 2.5MADC
Tamura
1.290
In Stock
1 : 12,28000 €
Tube
Tube
Active22.4:11.6kCT3.2230Ohm1OhmData/Voice Coupling300Hz ~ 100kHz±3dB500VRMS @ 30 Seconds--65mW Max @ 300Hz-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
MET Series
MET-09-T-B
TRANSFORMER 10KCT:10KCT 1.0MADC
Triad Magnetics
5.564
In Stock
1 : 13,22000 €
Bulk
Bulk
Active1:110kCT10kCT1kOhm1.3kOhmData/Voice Coupling300Hz ~ 100kHz±2dB500VRMS @ 1 Second--40mW-20°C ~ 85°C-Through Hole0.409" L x 0.310" W (10.40mm x 7.87mm)0.465" (11.80mm)PC Pin
SP-33, SP-70
SP-33
TRANS 1K/50 OHM IMPEDANCE AUDIO
Triad Magnetics
2.286
In Stock
1 : 16,02000 €
Bulk
Bulk
Active4.4:11k50145Ohm8OhmAudio Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-40°C ~ 85°C-Through Hole0.410" L x 0.310" W (10.41mm x 7.87mm)0.465" (11.80mm)PC Pin
SP-32, SP-42, SP-48, SP-50, SP-51
SP-48
TRANSER 7.5K CT/ 12 OHM AUDIO
Triad Magnetics
7.964
In Stock
2.776
Factory
1 : 16,96000 €
Bulk
Bulk
Active25:17.5kCT12796Ohm2.9OhmAudio Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-40°C ~ 85°C-Through Hole0.410" L x 0.310" W (10.41mm x 7.87mm)0.465" (11.80mm)PC Pin
SP-xx
SP-66
TRANSER 10K CT/ 10K CT AUDIO
Triad Magnetics
1.026
In Stock
1 : 16,96000 €
Bulk
Bulk
Active1:110kCT10kCT1kOhm1.3kOhmAudio Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-40°C ~ 85°C-Through Hole0.410" L x 0.310" W (10.41mm x 7.87mm)0.465" (11.80mm)PC Pin
SP-xx
SP-67
TRANSER 600 CT/ 600 CT AUDIO
Triad Magnetics
6.990
In Stock
630
Factory
1 : 18,35000 €
Bulk
Bulk
Active1:1600CT600CT72Ohm92OhmAudio Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-40°C ~ 85°C-Through Hole0.410" L x 0.310" W (10.41mm x 7.87mm)0.465" (11.80mm)PC Pin
SP-xx
SP-69
TRANS 600/ 600CT 150 SPLIT AUDIO
Triad Magnetics
1.530
In Stock
1 : 18,35000 €
Bulk
Bulk
Active2:1:1600600, 150/15072Ohm40Ohm, 45OhmAudio Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-40°C ~ 85°C-Through Hole0.410" L x 0.310" W (10.41mm x 7.87mm)0.465" (11.80mm)PC Pin
SP-32, SP-42, SP-48, SP-50, SP-51
SP-50
TRANSER 500 CT/ 600 OHM AUDIO
Triad Magnetics
222
In Stock
1 : 18,35000 €
Bulk
Bulk
Active1:1.1500CT60067Ohm98OhmAudio Coupling300Hz ~ 100kHz±2dB1000VRMS @ 1 Second--50mW-40°C ~ 85°C-Through Hole0.410" L x 0.310" W (10.41mm x 7.87mm)0.465" (11.80mm)PC Pin
Showing
of 628

Audio Transformers


Like most other transformer products, audio transformers consist of two or more magnetically coupled coils of wire, usually wound around a magnetic core. They are distinguished from other transformer types by being adapted and characterized for use at frequencies across all or a significant portion of the human audible range spanning roughly 20 Hz to 20 kHz, and are used for isolation and transformation of information in analog format, as contrasted with transformers designed for transmission of information encoded using a digital signaling protocol. Examples include output transformers for vacuum tube amplifiers and voice coupling transformers for traditional telecom applications.