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Transformers

Transformers are electronic components that are used to transfer electrical energy from one circuit to another through electromagnetic induction. They consist of two coils of wire, known as the primary and secondary windings, which are wrapped around a magnetic core. When an alternating current is passed through the primary winding, it creates a magnetic field that induces a voltage in the secondary winding. Transformers are commonly used in power supplies, audio equipment, and electronic devices to step up or step down voltage levels, isolate circuits, and match impedance. They come in various sizes and types, including toroidal, laminated, and ferrite core transformers, and are essential components in many electronic systems.

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 Additional Feature Package / Case REACH SVHC Frequency Height Width Impedance Approval Agency Resistance Mounting Type Weight Operating Temperature Size / Dimension Height Seated (Max) Current Physical Dimension Power Rating Type Frequency Range Subcategory Shielding Max Power Dissipation Power - Max Termination Style Application Max Output Current Operating Frequency-Max Operating Frequency-Min DC Resistance (DCR) Transformer Type Insertion Loss Max DC Current Insertion Loss (dB) Turns Ratio - Primary:Secondary Number of Secondary Winding Number of Primary Winding DC Unbalance Current-Max Return Loss Voltage - Isolation Current - Output (Max) Secondary Impedance Impedance - Primary (Ω) Frequency Response Impedance - Secondary (Ω) DC Resistance (DCR) - Primary DC Resistance (DCR) - Secondary Power Level Voltage - Primary Primary Winding(s) Center Tap Voltage - Secondary (Full Load)
148M 148M 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 5.3mA 17.526mm Through Hole 0.038lb 17.24g 0.820Lx0.680W 20.83mmx17.27mm 0.690 17.53mm 5.3mA 75W 200Hz~15kHz Unshielded PC Pin 850Ohm Economical Open Type 0.5dB 5.3mA 1 dB 6k ±1dB 2k 500/500 850Ohm 230Ohm 75mW
106M 106M Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 106 Active PC Pin EAR99 ROHS3 Compliant 24.1mm Through Hole 0.09lb 40.82g 1.080Lx0.880W 27.43mmx22.35mm 0.950 24.13mm 1.1A 215Hz Unshielded PC Pin Miniature Epoxy Potted 1 dB 200V 20k -1dB 2kCT 1.18kOhm 89Ohm 150mW
117J8 117J8 Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2000 117 Active Solder EAR99 ROHS3 Compliant 50.8mm 3.2Ohm 3.2Ohm Chassis Mount 0.6lb 272.16g 3.250Lx1.750W 82.55mmx44.45mm 2.000 50.80mm 8W 100Hz~9kHz Unshielded Solder Lug Sound Distribution 2 dB 3.2 1dB 25V 8W
229D56 229D56 Hammond Manufacturing 0.0000
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0.00000000 download 12 Weeks PCB, Through Hole 2000 229 Active 1 (Unlimited) PC Pin EAR99 130°C 0°C ROHS3 Compliant 850mA PCB MOUNTABLE 35.05mm cULus Through Hole 1.4lbs 635g 63.50mm Lx79.25mm W 48W Semi-Toroidal 48W 48VA PC Pin 1.7A 1 1750Vrms Parallel 1.7A Series 850mA 115V 230V Dual No Parallel 28V Series 56V
150J011 150J011 Hammond Manufacturing 0.0000
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0.00000000 download Through Hole Bulk 2000 150 Obsolete Not Applicable PC Pin EAR99 RoHS Compliant 12.7mm Through Hole 0.955Lx0.685W 24.26mmx17.40mm 0.500 12.70mm 300Hz~3.4kHz Unshielded PC Pin Voice 1.25dB 2 dB 24dB 600 0.5dB 34Ohm 47Ohm
109R 109R Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 109 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 23.4mm Through Hole 1.315Lx0.930W 33.40mmx23.62mm 0.920 23.37mm 300Hz~50kHz Unshielded PC Pin Miniature Epoxy Potted 1.5 dB 5.16:1 100VRMS 10kCT ±1.5dB 1.5kCT 384Ohm 58Ohm 2W
1750B 1750B Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 1750 yes Active Not Applicable Wire Leads ROHS3 Compliant Chassis Mount 2.875Lx1.900W 73.02mmx48.26mm 2.433 61.80mm 70Hz~10kHz Wire Leads POWER TRANSFORMER 1750V @ 1 Second 5.482k ±1dB 8 254.8Ohm 420mOhm 10W
PWDM13062 PWDM13062 Hammond Manufacturing 0.0000
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0.00000000 8 Weeks Peter W. Dahl Design, Johnson Viking 500 Active Not Applicable ROHS3 Compliant Chassis Mount 5.313Lx5.250W 134.95mmx133.35mm 6.375 161.93mm 200Hz~3.5kHz Screw Terminal 23kCT 8k
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0.00000000 download 4 Weeks Chassis Mount Bulk 2012 125SE Active Not Applicable Wire Leads ROHS3 Compliant Lead Free 42.926mm Chassis Mount 0.5lb 226.8g 2.810Lx1.350W 71.37mmx34.29mm 1.690 42.93mm 25mA 3W 100Hz~15kHz Unshielded Wire Leads General Purpose 25mA 1 dB 1500V @ 1 Second 2.5k~10k ±1dB 4~32 241.7Ohm 229mOhm 323mOhm 463mOhm 670mOhm
125FSE 125FSE Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2016 125SE Active Not Applicable Solder EAR99 ROHS3 Compliant Chassis Mount 4.5lbs 2kg 3.760Lx2.520W 95.50mmx64.01mm 3.150 80.01mm 90mA 100Hz~15kHz Solder Lug General Purpose 1 dB 2.5k~10k ±1dB 4~32 20W
106T 106T 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 22mA 170Hz Unshielded PC Pin Miniature Epoxy Potted 1 dB 200V 100CT -1dB 8 4.4Ohm 700mOhm 1.5W
106H 106H 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 10mA 24.1mm Through Hole 0.09lb 40.82g 1.080Lx0.880W 27.43mmx22.35mm 0.950 24.13mm 10mA 215Hz Unshielded PC Pin Miniature Epoxy Potted 1 dB 200V 4k -1dB 2.6kCT 340Ohm 100Ohm 150mW
140N 140N Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 140 Obsolete Not Applicable Wire Leads RoHS Compliant 25.4mm Chassis Mount 0.125lb 56.7g 1.250Dia 31.75mm 1.000 25.40mm 70Hz~11kHz Unshielded Wire Leads Shielded 1 dB 1:5:5 50 ±1dB 1.5k
109L 109L Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 109 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 23.368mm Through Hole 1.315Lx0.930W 33.40mmx23.62mm 0.920 23.37mm 2W 300Hz~50kHz Unshielded PC Pin 700Ohm Miniature Epoxy Potted 1.5 dB 55.3:1 100VRMS 10kCT ±1.5dB 3.2CT 300Ohm 200mOhm
850GA 850GA Hammond Manufacturing 142.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2010 850A yes Active Not Applicable Wire Leads EAR99 ROHS3 Compliant 600 Chassis Mount 453.59237g 1.700Lx1.200W 43.18mmx30.48mm 1.650 41.90mm 20Hz~20kHz Wire Leads BROADCAST AUDIO TRANSFORMER 1dB 600 150/150 ±0.5dB 600 150/150 71Ohm 71Ohm 15dB
102D 102D Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 102 Active Not Applicable PC Pin EAR99 14.48mm ROHS3 Compliant 12.7mm 14.48mm Through Hole 0.02lb 9.07g 0.570Lx0.570W 14.48mmx14.48mm 0.480 12.19mm L14.48XB14.48XH12.7 (mm) 310Hz Unshielded PC Pin INPUT 100kHz 0.3kHz Miniature Epoxy Potted 1.5 dB 100V 600 -1dB 1.5k 43Ohm 85Ohm 20mW
1620 1620 Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 1600 Active Not Applicable Wire Leads EAR99 88.9mm ROHS3 Compliant 77.724mm 63.5mm Chassis Mount 3.5lbs 1.6kg 3.500Lx2.500W 88.90mmx63.50mm 3.060 77.72mm 88.9mm x 63.5mm x 77.72mm 20W 30Hz~30kHz Other Transformers Shielded Wire Leads SIGNAL 30kHz 0.03kHz Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 11 3 158mA 2000V @ 1 Second 6.6kCT ±1dB 4 8 16 65.4Ohm 74.6Ohm 310mOhm 500mOhm
1650RP 1650RP Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 2015 1600 Obsolete 1 (Unlimited) Terminals EAR99 RoHS Compliant 114.3mm Through Hole 5.000Lx4.250W 127.00mmx107.95mm 4.500 114.30mm 30Hz~30kHz Unshielded Push-Pull Potted, Ultra-Linear - Tube Output 2000V @ 1 Second 5k ±1dB 4 8 16 44Ohm 98.5Ohm 210mOhm 344mOhm 100W
150J032 150J032 Hammond Manufacturing 0.0000
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0.00000000 download 6 Weeks Through Hole Bulk 2000 150 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 16.5mm Through Hole 1.650Lx1.340W 41.91mmx34.04mm 0.650 16.51mm 75mA 300Hz~3.4kHz Unshielded PC Pin Voice 1.5 dB 26dB 600 0.5dB 600CT 67Ohm 90Ohm
140PEX 140PEX Hammond Manufacturing 0.0000
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0.00000000 4 Weeks Chassis Mount Bulk 2012 140EX yes Active Screw ROHS3 Compliant 600 25.4mm Chassis Mount 124.999993g 1.250Dia 31.75mm 1.000 25.40mm 5mW 20Hz~20kHz Shielded Screw Terminal GENERAL PURPOSE AUDIO TRANSFORMER 0.8dB Typ 1:1, 1:2, 1:4 30dB Typ 500Vrms 600 150/150 ±1dB 2.4k 600/600 58Ohm 190Ohm 10dB
146H 146H Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 146 Active Not Applicable Wire Leads EAR99 ROHS3 Compliant 20.6mm Chassis Mount 0.031lb 14.06g 1.630Lx0.880W 41.40mmx22.35mm 0.810 20.57mm 6mA 150Hz~15kHz Unshielded Wire Leads Economical Open Type 1 dB 500CT ±1dB 3.2 26Ohm 300mOhm 700mW
812A 812A Hammond Manufacturing 0.0000
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0.00000000 download 800A Active Not Applicable ROHS3 Compliant Chassis Mount 1.250 31.75mm 50Hz~15kHz Wire Leads BROADCAST AUDIO TRANSFORMER ±0.5dB 15dB
835 835 Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 800 Obsolete Not Applicable PC Pin 44.45mm RoHS Compliant 65.024mm 31.75mm Chassis Mount 0.5lb 226.8g 1.752Lx1.252W 44.50mmx31.80mm 2.559 65.00mm 50Hz~15kHz Shielded Solder Lug Broadcast Quality 1dB 1 dB 1:1 40k 10k/10k ±0.5dB 40k 10k/10k 15dB
PWDM13044 PWDM13044 Hammond Manufacturing 0.0000
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0.00000000 6 Weeks Peter W. Dahl Design, Johnson Valiant, 22.1285, P2998 Active Not Applicable ROHS3 Compliant Chassis Mount 3.686Lx3.125W 93.62mmx79.38mm 3.795 96.39mm Wire Leads 7.3kCT 2.1kCT
101F 101F Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks PCB, Through Hole Bulk 101 Active Not Applicable PC Pin EAR99 11.43mm ROHS3 Compliant 8 No SVHC 100kHz 12.192mm 11.43mm Through Hole 0.01lb 4.54g -40°C~85°C 0.450Lx0.450W 11.43mmx11.43mm 0.480 12.19mm L11.43XB11.43XH12.19 (mm) 1mW 200Hz~100kHz Other Transformers Unshielded PC Pin SIGNAL 44Ohm Miniature Epoxy Potted 0.5 dB 1:1 1 1 100VRMS 600OhmS CT 600CT ±0.5dB 44Ohm 52Ohm 100mW
150J031 150J031 Hammond Manufacturing 0.0000
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0.00000000 download Through Hole Bulk 2000 150 Obsolete Not Applicable PC Pin EAR99 RoHS Compliant 16.5mm Through Hole 1.650Lx1.340W 41.91mmx34.04mm 0.650 16.51mm 80mA 300Hz~3.4kHz Unshielded PC Pin Voice 1.25dB 2 dB 26dB 600 0.5dB 66.5Ohm 73.5Ohm
149U 149U Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 149 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 4mA No SVHC 20.8mm Through Hole 0.063lb 28.58g 1.060Lx0.820W 26.92mmx20.83mm 0.820 20.83mm 4mA 200Hz~15kHz PC Pin Economical Open Type 0.5 dB 600 150/150 ±1dB 8 53Ohm 95Ohm 1000mW
1650F 1650F 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 128mA 77.724mm Chassis Mount 4lbs 1.8kg 3.500Lx2.500W 88.90mmx63.50mm 3.060 77.72mm 25W 30Hz~30kHz Shielded Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 128mA 1 dB 2000V @ 1 Second 7.6kCT ±1dB 4 8 16 210Ohm 220mOhm 270mOhm
140K 140K Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 140 Obsolete Not Applicable Wire Leads EAR99 RoHS Compliant 25.4mm Chassis Mount 0.125lb 56.7g 1.250Dia 31.75mm 1.000 25.40mm 70Hz~11kHz Wire Leads Shielded 1 dB 1:2 150 ±1dB 60k
560Q 560Q Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 2000 560 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 21.59mm 40kOhm Through Hole 0.25lb 113.4g 1.330Lx1.640W 33.78mmx41.66mm 0.850 21.59mm 1mW 30Hz~15kHz PC Pin Broadcast Quality 1dB Max 1 dB 40k 10k/10k ±1dB 40k 10k/10k
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