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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 Package / Case REACH SVHC Frequency Height Width Impedance Approval Agency Resistance Mounting Type Weight Size / Dimension Height Seated (Max) Current Nominal Input Voltage Power Rating Type Frequency Range Shielding Max Power Dissipation Power - Max Termination Style Output Voltage Application Output Current Max Output Current Inductance DC Resistance (DCR) Transformer Type Insertion Loss Max DC Current Insertion Loss (dB) Turns Ratio - Primary:Secondary Return Loss Voltage - Isolation Current - Output (Max) 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)
151J101 151J101 Hammond Manufacturing 0.0000
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0.00000000 download Through Hole Bulk 2000 151 Obsolete Not Applicable PC Pin EAR99 105°C 0°C RoHS Compliant 600 43.942mm Through Hole 1.730Lx1.480W 43.94mmx37.59mm 1.070 27.18mm 100mA PC Pin Voice 36 dB
126B 126B Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 126 Active Not Applicable Wire Leads ROHS3 Compliant 5kOhm Chassis Mount 3.2lbs 1.5kg 3.120Lx2.500W 79.25mmx63.50mm 3.120 79.25mm 30mA 20Hz~20kHz Wire Leads Single Ended Audiophile, Ultra-Linear - Tube Output 1 dB 400VDC 5k ±1dB 178Ohm 178Ohm 4W
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
140Q 140Q Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 2012 140 Obsolete Not Applicable Wire Leads EAR99 RoHS Compliant 600 25.4mm Chassis Mount 0.125lb 56.7g 1.250Dia 31.75mm 1.000 25.40mm 70Hz~11kHz Unshielded Wire Leads Shielded 1 dB 1:1 600CT ±1dB
1650HA 1650HA Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2012 A Active 1 (Unlimited) Wire Leads ROHS3 Compliant Lead Free 200mA 96.774mm Chassis Mount 6.5lbs 2.9kg 4.000Lx3.130W 101.60mmx79.50mm 3.810 96.77mm 200mA 40W 30Hz~30kHz Unshielded Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 2000V @ 1 Second 6.6kCT ±1dB 4 8 16 63.69Ohm 71.33Ohm 74mOhm 223mOhm 258mOhm
1140-LN-B 1140-LN-B Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks 2017 1140 Active Not Applicable ROHS3 Compliant Chassis Mount 20Hz~20kHz Screw Terminal Impedance Matching 1:1 10k ±0.35dB
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0.00000000 download 4 Weeks Chassis Mount Bulk 2013 A Active 1 (Unlimited) Wire Leads ROHS3 Compliant 318mA 115.82mm Chassis Mount 12lbs 5.4kg 4.250Lx3.750W 107.95mmx95.25mm 4.560 115.82mm 318mA 100mW 30Hz~30kHz Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 318mA 1 dB 3535VDC @ 1 Second 5kCT ±1dB 4 8 16 47.43Ohm 54.65Ohm 232mOhm 333mOhm 343mOhm 100W
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0.00000000 download 4 Weeks Chassis Mount Bulk 143 Active Wire Leads EAR99 ROHS3 Compliant 17.5mm Chassis Mount 0.031lb 14.06g 1.000Lx0.690W 25.40mmx17.53mm 0.690 17.53mm 4mA 150Hz~15kHz Unshielded Wire Leads Economical Open Type 1 dB 1.5k ±1dB 500CT 111Ohm 24Ohm 30mW
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0.00000000 download 4 Weeks Through Hole Bulk 148 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 6.5mA 17.526mm Through Hole 0.038lb 17.24g 0.820Lx0.680W 20.83mmx17.27mm 0.690 17.53mm 6.5mA 75W 200Hz~15kHz Unshielded PC Pin 540Ohm Economical Open Type 0.5dB 6.5mA 1 dB 4k ±1dB 2k 500/500 540Ohm 230Ohm 75mW
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0.00000000 download 4 Weeks Chassis Mount Bulk 125 Active Not Applicable Wire Leads EAR99 ROHS3 Compliant Lead Free 42.926mm Chassis Mount 0.5lb 226.8g 2.810Lx1.500W 71.37mmx38.10mm 1.690 42.93mm 60mA 8W 150Hz~15kHz Unshielded Wire Leads 5.6 H General Purpose 1 dB 1.2k~25k ±1dB 1.5~15
140TEX 140TEX Hammond Manufacturing 0.0000
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0.00000000 4 Weeks Chassis Mount Bulk 2012 140EX yes Active Screw ROHS3 Compliant 25.4mm Chassis Mount 124.999993g 1.250Dia 31.75mm 1.000 25.40mm 5mW 20Hz~20kHz Shielded Screw Terminal GENERAL PURPOSE AUDIO TRANSFORMER 1dB Typ 1:1 20dB Typ 500Vrms 1k ±1dB 89.7Ohm 89.7Ohm 10dB
141M 141M Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 141 Active PC Pin EAR99 ROHS3 Compliant 11.7mm Through Hole 0.038lb 17.24g 0.780Lx0.660W 19.81mmx16.76mm 0.460 11.68mm 2mA 200Hz~15kHz Unshielded PC Pin Low Profile, Open Type 2 dB 30kCT ±2dB 1.2kCT 1.1kOhm 47Ohm 100mW
850CA 850CA Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2014 850A Active Not Applicable Wire Leads 43.2mm ROHS3 Compliant 30.5mm Chassis Mount 1.700Lx1.200W 43.18mmx30.48mm 1.650 41.90mm 20Hz~20kHz Wire Leads 1dB 48 12/12 ±0.5dB 600 150/150 6Ohm 70Ohm 15dB
185C24 185C24 Hammond Manufacturing 0.0000
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0.00000000 download 12 Weeks Chassis Mount, Panel 2008 185 Active 1 (Unlimited) Quick Connect EAR99 ROHS3 Compliant 1A No SVHC 58.7mm CE, TUV, cULus Chassis Mount 1.3lbs 589.7g 71.37mm Lx56.39mm W 58.67mm 115V 25W Laminated Core 25W 25VA Solder, Quick Connect 12V 2A 1A 4000Vrms Parallel 2A Series 1A 115V 230V Dual No Parallel 12V Series 24V
107V 107V Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks PCB, Through Hole Bulk 107 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 600 50kHz 16mm Through Hole 0.02lb 9.07g 0.630Lx0.586W 16.00mmx14.88mm 0.630 16.00mm 150mW 300Hz~50kHz Unshielded PC Pin Miniature Epoxy Potted 1.5 dB 6.45:1 100VRMS 25kCT ±1.5dB 600CT 1.4kOhm 66Ohm
117F2 117F2 Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2000 117 Active Not Applicable Solder EAR99 ROHS3 Compliant 35.1mm 8Ohm 8Ohm Chassis Mount 0.5lb 226.8g 2.380Lx1.380W 60.45mmx35.05mm 1.380 35.05mm 2W 100Hz~9kHz Solder Lug Sound Distribution 2 dB 8 1dB 70V 2W
150J021 150J021 Hammond Manufacturing 0.0000
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0.00000000 download Through Hole Bulk 2000 150 Obsolete Not Applicable PC Pin EAR99 RoHS Compliant 18.5mm Through Hole 0.800Lx0.720W 20.32mmx18.29mm 0.730 18.54mm 300Hz~3.4kHz Unshielded PC Pin Voice 1.5 dB 12dB 600 0.5dB 45Ohm 60Ohm
1760L 1760L Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2009 1760 Active Not Applicable Wire Leads ROHS3 Compliant Lead Free Chassis Mount 0.625lb 283.5g 4.050Lx3.150W 102.87mmx80.01mm 3.193 81.10mm 70Hz~15kHz Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 31.16:1 4.2kCT ±1dB 4 8 16 46.48Ohm 51.04Ohm 252mOhm 480mOhm 714mOhm 60W
850G 850G Hammond Manufacturing 0.0000
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0.00000000 download Chassis Mount Bulk 850 Obsolete Not Applicable Solder EAR99 RoHS Compliant 600 21.59mm Chassis Mount 0.4lb 181.44g 1.700Lx1.200W 43.18mmx30.48mm 1.650 41.91mm 20Hz~20kHz Shielded Solder Lug 71Ohm Broadcast Quality 1 dB 600 150/150 ±0.5dB 600 150/150 71Ohm 71Ohm 15dB
1750W 1750W Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 1750 Active Not Applicable Wire Leads ROHS3 Compliant Chassis Mount 0.625lb 283.5g 4.063Lx3.450W 103.20mmx87.63mm 3.563 90.50mm 70Hz~15kHz Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 22.35:1 2kCT ±1dB 4 11.4Ohm 100mOhm 100W
107E 107E Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 107 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 600 300Hz 16mm Through Hole 0.630Lx0.586W 16.00mmx14.88mm 0.630 16.00mm 150mW 300Hz~50kHz Unshielded PC Pin Miniature Epoxy Potted 1.5 dB 13.68:1 100VRMS 600CT ±1.5dB 3.2 60Ohm 600mOhm
1650KA 1650KA Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2013 A Active 1 (Unlimited) Wire Leads ROHS3 Compliant Chassis Mount 7lbs 3.2kg 4.000Lx3.130W 101.60mmx79.50mm 3.810 96.77mm 318mA 30Hz~30kHz Wire Leads Push-Pull Audiophile, Ultra-Linear - Tube Output 1 dB 2000V @ 1 Second 3.4kCT ±1dB 4 8 16 32.74Ohm 36.71Ohm 306mOhm 432mOhm 540mOhm 50W
117F8 117F8 Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 2000 117 Active Not Applicable Solder EAR99 ROHS3 Compliant 50.8mm 8Ohm 8Ohm Chassis Mount 0.9lb 408.23g 3.250Lx1.750W 82.55mmx44.45mm 2.000 50.80mm 8W 100Hz~9kHz Solder Lug Sound Distribution 2 dB 8 1dB 70V 8W
150J081 150J081 Hammond Manufacturing 0.0000
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0.00000000 download Through Hole Bulk 2000 150 Obsolete Not Applicable PC Pin EAR99 RoHS Compliant 20.6mm Through Hole 1.065Lx1.080W 27.05mmx27.43mm 0.810 20.57mm 80mA 300Hz~3.4kHz Unshielded PC Pin Voice 2 dB 12dB 600 1dB 90Ohm 126Ohm
1750A 1750A Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount, Flanges Bulk 1750 Active 1 (Unlimited) Wire Leads ROHS3 Compliant 4 15kHz 43.434mm Chassis Mount 0.625lb 283.5g 2.000Lx1.440W 50.80mmx36.58mm 1.773 45.03mm 3.5W 70Hz~15kHz Unshielded Wire Leads 95.49 H Single Ended Audiophile, Ultra-Linear - Tube Output 1 dB 53.11:1 22.8k ±1dB 8 1.065kOhm 1.02Ohm
145R 145R Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 145 Active Not Applicable Wire Leads EAR99 ROHS3 Compliant 20.6mm Chassis Mount 0.088lb 39.92g 1.630Lx0.880W 41.40mmx22.35mm 0.810 20.57mm 3.5mA 150Hz~15kHz Unshielded Wire Leads Economical Open Type 1 dB 20k ±1dB 2kCT 1.18kOhm 89Ohm 135mW
641C 641C Hammond Manufacturing 0.0000
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0.00000000 download Through Hole Bulk 641 Obsolete Not Applicable Solder EAR99 Non-RoHS Compliant 8 20mm Through Hole 1.417Dia 36.00mm 0.795 20.20mm GENERAL PURPOSE 100mH SCR and Triac Trigger (Encapsulated) 2:1
804 804 Hammond Manufacturing 0.0000
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0.00000000 Chassis Mount Bulk 800 Obsolete Not Applicable Solder 44.45mm RoHS Compliant 125 65.024mm 31.75mm Chassis Mount 0.5lb 226.8g 1.752Lx1.252W 44.50mmx31.80mm 2.559 65.00mm 500μA 50Hz~15kHz Shielded Solder Lug Broadcast Quality 1dB 1 dB 500 125/125 ±0.5dB 500 125/125 15dB
124C 124C Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Chassis Mount Bulk 124 Active Not Applicable Wire Leads ROHS3 Compliant 42.7mm Chassis Mount 1.200205kg 60mA 150Hz~15kHz Unshielded Wire Leads Tube Driver and Speaker Matching 1 dB 1:3 500Vrms 10k ±1dB 90kCT 405Ohm 1.525kOhm 5W
560E 560E Hammond Manufacturing 0.0000
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0.00000000 download 4 Weeks Through Hole Bulk 560 Active Not Applicable PC Pin EAR99 ROHS3 Compliant 21.59mm Through Hole 0.25lb 113.4g 1.330Lx1.640W 33.78mmx41.66mm 0.850 21.59mm 1mW 30Hz~30kHz Shielded PC Pin Broadcast Quality 1dB Max 1 dB 200 50/50 ±1dB 600 150/150
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