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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 Lifecycle Status Mount Packaging Pbfree Code Termination ECCN Code Max Operating Temperature Min Operating Temperature Depth Length RoHS Status Lead Free Contact Plating Current Rating Radiation Hardening Number of Pins Additional Feature Package / Case REACH SVHC Reach Compliance Code Frequency Height Width Approval Agency Weight Height Seated (Max) Packing Method Number of Functions Physical Dimension Frequency - Self Resonant Power Rating Application Number of Outputs Inductance Transformer Type Inductance Tolerance Lead/Base Style DC Resistance (DCR) - Parallel Frequency (Max) Max DC Current Insertion Loss (dB) Turns Ratio - Primary:Secondary Return Loss Primary Type Current - Input Voltage - Isolation Peak Primary Current
B82804A0474A125 B82804A0474A125 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Tape and Reel EAR99 125°C -40°C 8.1mm 6.7mm RoHS Compliant 6 No SVHC unknown 1.7MHz 473 μH PULSE TRANSFORMER Gull Wing 1.5Ohm 2.5:1 1.5kV
B82801A743A30 B82801A743A30 EPCOS 0.0000
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0.00000000 Surface Mount SMD/SMT 130°C -40°C 4.7mm RoHS Compliant Lead Free 7A No 1MHz 3.5mm 3.5mm 3.5mm 74 μH 800mOhm 1:30
B82804A0694A115 B82804A0694A115 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount Tape and Reel EAR99 125°C -40°C 8.1mm 6.7mm RoHS Compliant 6 SMD/SMT No SVHC unknown 700kHz 690 μH PULSE TRANSFORMER Gull Wing 1.65Ohm 1.5:1 1.5kV
B82801A135A125 B82801A135A125 EPCOS 0.0000
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0.00000000 Surface Mount SMD/SMT 130°C -40°C 4.7mm RoHS Compliant Lead Free 7A No 1MHz 3.5mm 3.5mm 3.5mm 1.28 mH 13Ohm 1:125
B78476A8253A003 B78476A8253A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount yes EAR99 70°C 0°C 16mm 17.6mm RoHS Compliant 24 No SVHC 5.8mm 12.1mm TAPE & REEL, BLISTER 4 L17.6XB12.1XH5.8 (mm) 1000 BASE-T; LAN 350 μH DATACOM TRANSFORMER Gull Wing -2 dB 1:1 -10 dB 1.5kV
B82802A55A225 B82802A55A225 EPCOS 0.0000
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0.00000000 Surface Mount Digi-Reel® SMD/SMT 125°C -40°C 32.6mm RoHS Compliant SMD/SMT 100kHz 27mm 14.8mm 22 μH
B78476A8068A003 B78476A8068A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount yes EAR99 70°C 0°C 15.75mm 28.1mm RoHS Compliant 40 COMPATIBLE WITH: IPC/JEDEC J-STD-020C & IEEE802.3 No SVHC 5.25mm 11.9mm TAPE & REEL, BLISTER 4 L28.1XB11.9XH5.25 (mm) LAN; 10/100 BASE-T; AUTOMDIX 350 μH DATACOM TRANSFORMER Gull Wing -1 dB 1:1 -12 dB 1.5kV
B78476A8246A003 B78476A8246A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount yes EAR99 70°C 0°C 15.24mm 27.81mm RoHS Compliant 48 HEIGHT DIMENSION INCLUDES TERMINAL ALSO No SVHC 7.24mm 12.19mm UL TAPE & REEL 1 L27.81XB12.19XH7.24 (mm) LAN; 10/100 BASE-T 350 μH DATACOM TRANSFORMER Gull Wing -1.1 dB 1:1 -12 dB 1.5kV
B78421A1852A003 B78421A1852A003 EPCOS 0.0000
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0.00000000 OBSOLETE (Last Updated: 1 month ago) Surface Mount Tape and Reel EAR99 85°C -40°C 17.7mm 13.6mm RoHS Compliant Lead Free No 10 HEIGHT DIM INCLUDES TERMINALS ALSO,TURNS RATIO: 2.25 : 2.25: 1 12.5mm TAPE, BLISTER L15.0XB13.6XH12.5 (mm) TELECOM TRANSFORMER Gull Wing 4.2Ohm 2.25:2.25
B78476A8066A003 B78476A8066A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount yes EAR99 70°C 0°C 15.3mm 27.81mm RoHS Compliant 48 HEIGHT DIM INCLUDES TERMINALS ALSO No SVHC 7.24mm 12.19mm UL TAPE & REEL, BLISTER 1 L27.81XB12.19XH7.24 (mm) LAN; 1000 BASE-T; ETHERNET 350 μH DATACOM TRANSFORMER Gull Wing -2 dB 1:1 -10 dB 1.5kV
B82802A0055A225 B82802A0055A225 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount EAR99 125°C -40°C 32.6mm 27mm RoHS Compliant 10 No SVHC unknown 55W 2 22 μH SMPS TRANSFORMER 10% Gull Wing 3.2mOhm 100kHz 1:2.5 1.5kV
B82804A0324A220 B82804A0324A220 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Tape and Reel EAR99 125°C -40°C 8.1mm 6.7mm RoHS Compliant 6 No SVHC unknown 2MHz 317 μH PULSE TRANSFORMER Gull Wing 1.6Ohm 2.1:1 1.5kV
B82801C565A100 B82801C565A100 EPCOS 0.0000
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0.00000000 Surface Mount Gull Wing 14.22mm RoHS Compliant 40A No SMD/SMT 500kHz 10mm 13.46mm 10mm 5.6 mH Gull Wing 1Ohm 1:100
B82802A0055A325 B82802A0055A325 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount EAR99 125°C -40°C 32.6mm 27mm RoHS Compliant 10 No SVHC unknown 55W 3 22 μH SMPS TRANSFORMER 10% Gull Wing 15mOhm 100kHz 1:2.33 1.5kV
B78476A8248A003 B78476A8248A003 EPCOS 0.0000
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0.00000000 download Surface Mount Tape and Reel yes EAR99 85°C -40°C 9.4mm 12.7mm RoHS Compliant Tin 16 HEIGHT DIM INCLUDES TERMINALS ALSO No SVHC 5.6mm 6.9mm UL TAPE & REEL, BLISTER 1 L12.7XB6.9XH5.6 (mm) LAN; 10/100 BASE-T; ETHERNET 350 μH DATACOM TRANSFORMER Gull Wing -1.2 dB 1:1 -12 dB 1.5kV
B82802A0030A220 B82802A0030A220 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount EAR99 125°C -40°C 25.7mm RoHS Compliant No SVHC unknown 30W 2 40 μH SMPS TRANSFORMER 10% Gull Wing 15mOhm 100kHz 1:2.25 1.5kV
B78476A8245A003 B78476A8245A003 EPCOS 10.2022
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0.00000000 download Surface Mount Tape and Reel yes EAR99 70°C 0°C 9.4mm 12.7mm RoHS Compliant 16 HEIGHT DIMENSION INCLUDES TERMINAL ALSO No SVHC 5.6mm 6.9mm UL TAPE & REEL 1 L12.7XB6.9XH5.6 (mm) LAN; 10/100 BASE-T 350 μH DATACOM TRANSFORMER Gull Wing -1.2 dB 1:1 -12 dB 1.5kV
B78476A8067A003 B78476A8067A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount Tape and Reel yes EAR99 70°C 0°C 14.75mm 14.81mm RoHS Compliant 12 HEIGHT DIMENSION INCLUDES TERMINAL ALSO No SVHC 5.15mm 11.7mm UL TAPE & REEL 1 L14.81XB11.7XH5.15 (mm) LAN; 10/100 BASE-T; AUTOMDIX 350 μH DATACOM TRANSFORMER Gull Wing -1.2 dB 1:1 -12 dB 1.5kV
B82801B803A20 B82801B803A20 EPCOS 0.0000
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0.00000000 Surface Mount Gull Wing 125°C -40°C 8.13mm RoHS Compliant Lead Free Copper, Silver, Tin 20A SMD/SMT 1MHz 5.08mm 7.11mm 5.08mm 80 μH Gull Wing 400mOhm 1:20
B78476A8065A3 B78476A8065A3 EPCOS 0.0000
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0.00000000 SMD/SMT 70°C 0°C 12.7mm RoHS Compliant Lead Free No 16 Module 5.6mm 7.11mm 350 μH Gull Wing 8mA 1:1 -20 dB 1.5kV
B82802A0012A315 B82802A0012A315 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount EAR99 125°C -40°C 22.3mm RoHS Compliant No SVHC unknown 12W 3 100 μH SMPS TRANSFORMER 10% Gull Wing 50mOhm 100kHz 1:2.5 1.5kV
B66361GX197 B66361GX197 EPCOS 0.0000
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0.00000000 RoHS Compliant
B78476A8135A3 B78476A8135A3 EPCOS 2.1103
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0.00000000 Surface Mount SMD/SMT 85°C -40°C 18.7mm 13.8mm RoHS Compliant Lead Free 8mA No 24 Module 5.72mm 15.2mm 350 μH Gull Wing 8mA -1 dB 1:1 -10 dB
B82802A0030A320 B82802A0030A320 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount EAR99 125°C -40°C 25.7mm RoHS Compliant No SVHC unknown 30W 3 40 μH SMPS TRANSFORMER 10% Gull Wing 18mOhm 100kHz 1:2.25 1.5kV
B82801A0304A060 B82801A0304A060 EPCOS 0.0000
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0.00000000 OBSOLETE (Last Updated: 2 months ago) Surface Mount yes EAR99 125°C -40°C 4.1mm 4.7mm RoHS Compliant 4 No SVHC 1MHz 3.5mm 150mg TAPE & REEL 295 μH CURRENT SENSE TRANSFORMER Solder 3.6Ohm 1MHz 1:60 WOUND PRIMARY 5A 7A
B82801B305A125 B82801B305A125 EPCOS 0.0000
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0.00000000 Surface Mount Gull Wing 130°C -40°C 8.13mm RoHS Compliant Lead Free Tin 20A No 1MHz 5.08mm 7.11mm 5.08mm 3 mH Gull Wing 6.5Ohm 1:125
B78476A7694A003 B78476A7694A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount yes EAR99 70°C 0°C 13.1mm 25.4mm RoHS Compliant 16 BREADTH AND HEIGHT DIMENSION INCLUDES TERMINAL ALSO No SVHC 6.1mm TAPE & REEL, BLISTER 1 L25.4XB13.1XH6.1 (mm) LAN; 10/100 BASE-T; AUTOMDIX 350 μH DATACOM TRANSFORMER Gull Wing -1.1 dB 1:1 -12 dB 1.5kV
B82801C145A50 B82801C145A50 EPCOS 0.0000
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0.00000000 Surface Mount Gull Wing 125°C -40°C 14.22mm RoHS Compliant Tin 40A No DIP 500kHz 10mm 13.46mm 10mm 1.4 mH Gull Wing 400mOhm 1:50
B78476A1889A3 B78476A1889A3 EPCOS 0.0000
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0.00000000 Surface Mount Digi-Reel® SMD/SMT 70°C 0°C 13.64mm RoHS Compliant Lead Free No 24 5.6mm 6.9mm 6.47mm 350 μH Gull Wing 8mA 1:1 1.5kV
B78476A8251A003 B78476A8251A003 EPCOS 0.0000
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0.00000000 PRODUCTION (Last Updated: 2 months ago) Surface Mount Tape and Reel yes EAR99 85°C -40°C 16mm 17.6mm RoHS Compliant Tin No 24 HEIGHT DIMENSION INCLUDES TERMINAL ALSO No SVHC 5.8mm 12.1mm UL TAPE & REEL 1 L17.6XB12.1XH5.8 (mm) 1000 BASE-T; LAN 350 μH DATACOM TRANSFORMER Gull Wing -1 dB 1:1 -10 dB 1.5kV
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    B82804A0474A125 EPCOS

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  • B82801A743A30
    B82801A743A30 EPCOS

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  • B82804A0694A115
    B82804A0694A115 EPCOS

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    B78476A8253A003 EPCOS

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    B82802A55A225 EPCOS

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    B82802A0055A225 EPCOS

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    B82801C565A100 EPCOS

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  • B82802A0030A220
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  • B78476A8245A003
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  • B66361GX197
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  • B78476A1889A3
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