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Audio Transformers

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Termination ECCN Code Max Operating Temperature Min Operating Temperature Length RoHS Status Lead Free Current Rating Number of Pins Package / Case Reach Compliance Code Frequency Height Width Approval Agency Resistance Mounting Type Weight Operating Temperature Size / Dimension Height Seated (Max) Current Physical Dimension Power Rating Frequency Range Surface Mount Operating Temperature (Max) Operating Temperature (Min) Subcategory Shielding Termination Style Application Inductance DC Resistance (DCR) Transformer Type Insertion Loss Max DC Current Insertion Loss (dB) Turns Ratio - Primary:Secondary Turns Ratio (NpNs) Number of Secondary Winding Number of Primary Winding Return Loss Voltage - Isolation Secondary Impedance Primary Inductance Secondary Current Impedance - Primary (Ω) Frequency Response Impedance - Secondary (Ω) DC Resistance (DCR) - Primary DC Resistance (DCR) - Secondary Power Level
125A 125A Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 125 Active Not Applicable Wire Leads EAR99 ROHS3 Compliant Lead Free 30.226mm Chassis Mount 0.19lb 86.18g 2.060Lx1.250W 52.32mmx31.75mm 1.190 30.23mm 25mA 3W 150Hz~15kHz Unshielded Wire Leads 14.94 H General Purpose 1 dB 1.2k~25k ±1dB 1.5~15
290QX 290QX Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2012 290 yes Active Not Applicable Solder ROHS3 Compliant 120 60Hz 60.579mm Chassis Mount 4.535924kg 3.375Lx2.385W 85.73mmx60.58mm 2.876 73.05mm Solder Lug POWER TRANSFORMER 120/240VAC 198mA 8.054Ohm 9.752Ohm 166mOhm 4.776Ohm 52.25Ohm
140B 140B Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 140 Obsolete Not Applicable Wire Leads RoHS Compliant 25.4mm 31.75mm Chassis Mount 0.125lb 56.7g 1.250Dia 31.75mm 1.000 25.40mm 70Hz~11kHz Shielded Wire Leads Shielded 1 dB 1:45 30 ±1dB 60k
MET-28 MET-28 Tamura 0.0000
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0.00000000 download 25 Weeks Through Hole Bulk 1999 MET Active 1 (Unlimited) PC Pin EAR99 RoHS Compliant Contains Lead 4 unknown 100kHz 11.8mm Through Hole -20°C~85°C 0.409Lx0.310W 10.40mmx7.87mm 0.465 11.80mm 3mA 50mW 300Hz~100kHz PC Pin 110Ohm Data/Voice Coupling 4.47:1 500VRMS @ 30 Seconds 1k ±2dB 50 110Ohm 8Ohm
290VX 290VX Hammond Manufacturing 0.0000
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0.00000000 4 Weeks Chassis Mount Bulk 2011 290 yes Active Not Applicable Wire Leads ROHS3 Compliant 96.393mm Chassis Mount 4.125Lx3.985W 104.77mmx101.22mm 3.858 97.99mm Wire Leads 10.34Ohm POWER TRANSFORMER 500mA 120/240VAC 1.52Ohm 80mOhm 4.75Ohm 10.34Ohm
124A 124A Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 124 Active Not Applicable Wire Leads ROHS3 Compliant Lead Free 36.322mm Chassis Mount 2.380Lx1.350W 60.45mmx34.29mm 1.430 36.32mm 45mA 5W 150Hz~15kHz Unshielded Wire Leads Tube Driver and Speaker Matching 1 dB 1:3 500Vrms 10k ±1dB 90kCT 405Ohm 1.525kOhm
MET-42-T MET-42-T Triad Magnetics 0.0000
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0.00000000 download 15 Weeks Bulk 2016 MET Active Not Applicable ROHS3 Compliant Through Hole -20°C~85°C 0.409Lx0.310W 10.40mmx7.87mm 0.465 11.80mm 300Hz~100kHz PC Pin Data/Voice Coupling 3.54:1 1000VRMS @ 1 Second 150 ±2dB 12 20Ohm 2.5Ohm 50mW
40-17371 40-17371 TubeDepot 0.0000
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0.00000000 download Active
1750M 1750M Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 1750 Active Not Applicable Wire Leads 102.87mm ROHS3 Compliant Lead Free 88.9mm 77.47mm Chassis Mount 0.625lb 283.5g 4.050Lx3.050W 102.87mmx77.47mm 3.563 90.50mm 50W 70Hz~15kHz Unshielded Wire Leads 106.1 H Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 22.93:1 4.2kCT ±1dB 2 4 8 68Ohm 160mOhm 60W
SP-21-B SP-21-B Triad Magnetics 0.0000
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0.00000000 download 15 Weeks Through Hole Bulk 2014 Red-Spec Active Not Applicable PC Pin ROHS3 Compliant Lead Free Through Hole -40°C~85°C 0.410Lx0.310W 10.41mmx7.87mm 0.465 11.80mm 300Hz~100kHz PC Pin Audio Coupling 2.24:1 1000VRMS @ 1 Second 10kCT ±2dB 2kCT 1.05kOhm 330Ohm 50mW
TTC-5026 TTC-5026 Tamura 0.0000
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0.00000000 download 10 Weeks Surface Mount Tape & Reel (TR) 2006 TTC Obsolete 1 (Unlimited) Gull Wing 13.5mm RoHS Compliant Contains Lead 10 10.4mm 14mm UL1950, UL60950 Surface Mount 0.532Lx0.551W 13.50mmx14.00mm 0.409 10.40mm 300Hz~3.5kHz Gull Wing Data/Voice Coupling 1.5dB Max @ 1kHz 1.5 dB 1:1 1875VRMS @ 1 Second 600 ±0.3dB 490CT 23.8Ohm 47.8Ohm
TTC-5037 TTC-5037 Tamura 0.0000
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0.00000000 download 24 Weeks Surface Mount Tape & Reel (TR) 2004 TTC Obsolete 1 (Unlimited) Flat 12.5mm RoHS Compliant Contains Lead 6 600 9.6mm UL60950, EN60950 Surface Mount -20°C~85°C 0.378Lx0.492W 9.60mmx12.50mm 0.299 7.60mm 200Hz~4kHz Flat Lead Data/Voice Coupling 2dB Max @ 2kHz 2 dB 1:1 18dB Min @ 200Hz ~ 4kHz 1875VRMS @ 1 Second 600 ±0.4dB 530 90Ohm 90Ohm
125BSE 125BSE Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2012 125SE Active Not Applicable Wire Leads ROHS3 Compliant 50.8mm Chassis Mount 1.1lbs 499g 3.250Lx1.630W 82.55mmx41.40mm 2.000 50.80mm 45mA 5W 100Hz~15kHz Unshielded Wire Leads General Purpose 45mA 1 dB 2.5k~10k ±1dB 4~32
7021300 7021300 TubeDepot 0.0000
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0.00000000 Active
1650P 1650P Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 1600 Active 1 (Unlimited) Wire Leads EAR99 ROHS3 Compliant 96.774mm Chassis Mount 8lbs 3.6kg 4.250Lx3.130W 107.95mmx79.50mm 3.810 96.77mm 30Hz~30kHz Shielded Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 6.6kCT ±1dB 4 8 16 60W
807A 807A Hammond Manufacturing 0.0000
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0.00000000 800A Active Not Applicable ROHS3 Compliant Chassis Mount 1.250 31.75mm 50Hz~15kHz Wire Leads BROADCAST AUDIO TRANSFORMER ±0.5dB 15dB
SP-42-B SP-42-B Triad Magnetics 0.0000
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0.00000000 download 15 Weeks Through Hole Bulk 2014 Red-Spec Active Not Applicable PC Pin 10.41mm ROHS3 Compliant 7.87mm 12Ohm Through Hole -40°C~85°C 0.410Lx0.310W 10.41mmx7.87mm 0.465 11.80mm 300Hz~100kHz PC Pin Audio Coupling 3.54:1 1000VRMS @ 1 Second 150CT ±2dB 12 18Ohm 2.7Ohm 50mW
MET-46 MET-46 Tamura 0.0000
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0.00000000 download 25 Weeks Through Hole Bulk 2006 MET Active 1 (Unlimited) PC Pin 85°C -40°C 10.4mm RoHS Compliant Contains Lead 4 600 100kHz 11.8mm 7.87mm Through Hole -40°C~85°C 0.409Lx0.310W 10.40mmx7.87mm 0.465 11.80mm 3mA 50mW 300Hz~3.5kHz PC Pin 72Ohm Data/Voice Coupling 1:1 1500VRMS @ 1 Minute 600 ±1dB 600 85Ohm 110Ohm 50mW
#458PT-2078=P3 #458PT-2078=P3 Murata Electronics 0.0000
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0.00000000 13 Weeks Tape & Reel (TR) Active 1 (Unlimited) EAR99 6.9mm ROHS3 Compliant 3.8mm Surface Mount -40°C~85°C 0.256Lx0.244W 6.50mmx6.20mm 0.173 4.40mm L6.9XB3.8XH4.4 (mm) YES Flat Lead RF TRANSFORMER 1:4 75
140HEX 140HEX Hammond Manufacturing 0.0000
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0.00000000 2 Weeks 140EX Active Not Applicable ROHS3 Compliant Chassis Mount 1.250Dia 31.75mm 1.000 25.40mm Screw Terminal
MET-18 MET-18 Tamura 0.0000
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0.00000000 download 25 Weeks Through Hole Bulk 2006 MET Active 1 (Unlimited) PC Pin EAR99 RoHS Compliant Lead Free 5 unknown 11.8mm Through Hole -20°C~85°C 0.409Lx0.310W 10.40mmx7.87mm 0.465 11.80mm 1mA 300Hz~100kHz PC Pin Data/Voice Coupling 1:0.02 500VRMS @ 30 Seconds 10kCT ±2dB 4 1.2kOhm 1Ohm 40mW
834 834 Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 800 Obsolete Not Applicable Solder EAR99 RoHS Compliant 65.024mm Chassis Mount 0.5lb 226.8g 1.752Lx1.252W 44.50mmx31.80mm 2.559 65.00mm 50Hz~15kHz Shielded Solder Lug Broadcast Quality 1 dB 1:4 20k 5k/5k ±0.5dB 40k 10k/10k 15dB
832 832 Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 800 Obsolete Not Applicable Solder EAR99 44.45mm RoHS Compliant 65.024mm 31.75mm Chassis Mount 0.5lb 226.8g 1.752Lx1.252W 44.50mmx31.80mm 2.559 65.00mm 44.45mm x 31.75mm x 65.02mm 50Hz~15kHz Other Transformers Shielded Solder Lug SIGNAL Broadcast Quality 1 dB 1:2 2 2 20k 5k/5k ±0.5dB 80k 20k/20k 15dB
107D 107D Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks PCB, Through Hole Bulk 107 Active Not Applicable PC Pin EAR99 16mm ROHS3 Compliant Lead Free 50kHz 21.082mm 14.38mm Through Hole 0.02lb 9.07g 0.630Lx0.586W 16.00mmx14.88mm 0.630 16.00mm 16mm x 14.38mm x 15.19mm 150mW 300Hz~50kHz 105°C -40°C Other Transformers Unshielded PC Pin MATCHING 20Ohm Miniature Epoxy Potted 1.5 dB 1:1 1:1 1 1 100VRMS 150OhmS 312000 μH 150CT ±1.5dB 22Ohm 27Ohm
40-18000 40-18000 TubeDepot 0.0000
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0.00000000 download Active
1650N 1650N Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2000 1600 Active 1 (Unlimited) Wire Leads EAR99 ROHS3 Compliant 318mA 96.774mm Chassis Mount 8lbs 3.6kg 4.185Lx3.125W 106.30mmx79.38mm 3.859 98.02mm 60mW 30Hz~30kHz Shielded Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 318mA 1 dB 2000V @ 1 Second 4.3kCT ±1dB 4 8 16 82.5Ohm 232mOhm 270mOhm 60W
106Q 106Q Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 106 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 24.1mm Through Hole 0.09lb 40.82g 1.080Lx0.880W 27.43mmx22.35mm 0.950 24.13mm 32mA 170Hz Unshielded PC Pin Miniature Epoxy Potted 1 dB 200V 48CT -1dB 3.2 2.4Ohm 300mOhm 1.5W
TTC-143 TTC-143 Tamura 0.0000
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0.00000000 download 20 Weeks Through Hole Bulk 1999 TTC Active 1 (Unlimited) PC Pin EAR99 RoHS Compliant Lead Free 4 DIP 12.7mm CSA-C22.2 No. 66-M1988, UL1863 Through Hole 0.799Lx1.201W 20.30mmx30.50mm 0.500 12.70mm 90mA 300Hz~3.5kHz Unshielded PC Pin Data/Voice Coupling 1.7dB Max @ 1.8kHz 1.6 dB 1:1.04 14dB Min @ 1.8kHz 1500VRMS @ 1 Minute 600 -2dB~0.2dB 75Ohm 100Ohm -45dB~10dB
104B 104B Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 104 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 19.05mm Through Hole 0.05lb 22.68g 0.860Lx0.710W 21.84mmx18.03mm 0.750 19.05mm 60Hz Unshielded PC Pin Miniature Epoxy Potted 1 dB 200V 150 -1dB 80k 6.6Ohm 3.73kOhm 5mW
148B 148B Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 148 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 17.526mm Through Hole 0.038lb 17.24g 0.820Lx0.680W 20.83mmx17.27mm 0.690 17.53mm 3.8mA 300mW 200Hz~15kHz Unshielded PC Pin Economical Open Type 0.5dB 1 dB 150 ±1dB 1.6k 400/400 11.3Ohm 200Ohm
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