TDK Electronics · TDK Europe

Transformers

  • High power density
  • Operating temperature up to +155 °C
  • High operating frequencies

Magnetic LAN modules

  • Excellent electrical characteristics
  • Extended temperature range –40 °C to +85 °C
  • Compliant with IEEE 802.3

Gate drive transformers

  • High isolation
  • Inductance: 264 … 690 μH
  • E • dt: 22.4 … 40.8 μVs
  • Vtest: 1500 V DC
  • Footprint: 8.1 × 6.7 mm
  • Height: 5.4 mm
Product search

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
1500V DC, 0Hz/1s 1.5:1 - 2:1:1 B82804A file_pdf_box

Push-Pull transformers

  • Small package
  • Ferrite core: E 6.3
  • Switching frequency 250 kHz (typ.)
  • Primary/secondary copper wire winding
  • 5 different turns ratios
Product search

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
500 1:1:1.1:1.1,  1:1:1.7:1.7,  1:1:2.6:2.6,  1:1:3.8:3.8 B82805A file_pdf_box

E 6.3 … EF 12.6

  • Compact size
  • Multiple outputs (10 pins)
  • Power: up to 8 W

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
--- --- B783 assignment

ER11

  • Low stray inductance
  • Low profile
  • Power: up to 8 W
Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
--- --- B7833 assignment

EP 7 … EP 13

  • Compact package
  • Excellent EMI properties
  • Power: up to 13 W
Product search

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
2400V, 50Hz/1s 1:100,  1:125,  1:50,  1:70 B78417A2 file_pdf_box
2400V, 50Hz/1s 1:100,  1:125,  1:180,  1:50,  1:70 B78419A file_pdf_box

EFD15 ... EFD25

  • Low profile
  • Power: up to 45 W
  • Flyback PoE series
  • Clamp forward PoE++ series
Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
800, 1000 1:1.25:6.5 - 1:2.5:7.5 B82802A file_pdf_box

EV25

  • High creepage distance
  • High dielectric strength
  • Power: up to 70 W
Product search

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box

EF16 ... EF30

  • Types with > 8 mm creepage and clearance distance available
  • High dielectric strength
  • Power: up to 100 W

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
--- --- B78308 assignment
--- --- B78309 assignment
--- --- B78310 assignment
--- --- B78311 assignment
--- --- B78312 assignment
--- --- B78313 assignment
--- --- B78314 assignment
--- --- B78315 assignment

Magnetic LAN modules

  • Fast and Gigabit industrial Ethernet
  • Power over Ethernet, IEEE 802.3 at
  • Low insertion loss
  • Single, dual and quad port
  • Insulation voltage VRMS: 1500 V
Product search

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box
1500 --- B78476 file_pdf_box

Current sense transformers

  • Very low DC resistance
  • Wide range of turns ratio
  • Very small package
  • Sensed current: 7 … 40 A
  • Creepage distance Np/Ns (core) up to 6 mm
  • Clearance distance Np/Ns (CuL) up to 3.5 mm
  • Sensed current: 20 … 30 A

Product search

Test voltage (V AC) Turns ratio (Np:Ns) Type PDF
1000V, 50Hz/2s 1:100 - 1:70 B82801B file_pdf_box
1500V, 50Hz/2s 1:100,  1:150,  1:200,  1:50 B82801C file_pdf_box
2400V, 50Hz/1s 1:100,  1:125,  1:50,  1:70 B78417A2 file_pdf_box
2400V, 50Hz/1s 1:100,  1:125,  1:180,  1:50,  1:70 B78419A file_pdf_box
500V, 50Hz/2s 1:100 - 1:70 B82801A1 file_pdf_box
--- --- B82801X2 file_pdf_box
--- --- B82801X3 file_pdf_box