WE-PLN Planar Transformers
SizeDimen­sionsL
(mm)
W
(mm)
H
(mm)
Mount
ERI25/10/18
- - 10.5 SMT
ER19/4.8/15
21.08 23.37 10.5 SMT

Characteristics

  • Switching frequency: 200kHz to 700kHz optimized
  • Isolation voltage: 2250VDC
  • Operating temp: -40°C to 125°C
  • Flat wire windings with low DCR
  • ER19/4.8/15  package supports power levels up to 125W
  • ERI25/10/18  package supports power levels up to 250W

Applications

  • Telecom PSU
  • Industrial Power Supplies
  • DC/DC Converters

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Products

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ERI25/10/18
ER19/4.8/15
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Data­sheet
Downloads
Status
L1(µH)
n
VT(V (DC))
∫Udt(Vµs)
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
WE-PLN Planar Transformers
750341134
SPEC65 µH, 2:2:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 165 µH
Turns Ratio2:2:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond160 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341138
SPEC65 µH, 2:2:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 165 µH
Turns Ratio2:2:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond160 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341142
SPEC65 µH, 2:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 165 µH
Turns Ratio2:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond160 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341188
SPEC86 µH, 3:3:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 186 µH
Turns Ratio3:3:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond180 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341195
SPEC86 µH, 3:3:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 186 µH
Turns Ratio3:3:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond180 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341202
SPEC86 µH, 3:3:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 186 µH
Turns Ratio3:3:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond180 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341181
SPEC86 µH, 3:3:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 186 µH
Turns Ratio3:3:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond180 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341182
SPEC117 µH, 3:4:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1117 µH
Turns Ratio3:4:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond210 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341189
SPEC117 µH, 3:4:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1117 µH
Turns Ratio3:4:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond210 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341196
SPEC117 µH, 3:4:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1117 µH
Turns Ratio3:4:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond210 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341203
SPEC117 µH, 3:4:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1117 µH
Turns Ratio3:4:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond210 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341143
SPEC143 µH, 3:3:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1143 µH
Turns Ratio3:3:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341135
SPEC145 µH, 3:3:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1145 µH
Turns Ratio3:3:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341139
SPEC145 µH, 3:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1145 µH
Turns Ratio3:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length29.41 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341183
SPEC153 µH, 4:4:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1153 µH
Turns Ratio4:4:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341190
SPEC153 µH, 4:4:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1153 µH
Turns Ratio4:4:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341197
SPEC153 µH, 4:4:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1153 µH
Turns Ratio4:4:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341204
SPEC153 µH, 4:4:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1153 µH
Turns Ratio4:4:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond240 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341184
SPEC194 µH, 4:5:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1194 µH
Turns Ratio4:5:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond270 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341191
SPEC194 µH, 4:5:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1194 µH
Turns Ratio4:5:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond270 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341198
SPEC194 µH, 4:5:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1194 µH
Turns Ratio4:5:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond270 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341205
SPEC194 µH, 4:5:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1194 µH
Turns Ratio4:5:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond270 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341185
SPEC240 µH, 5:5:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1240 µH
Turns Ratio5:5:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond300 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341192
SPEC240 µH, 5:5:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1240 µH
Turns Ratio5:5:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond300 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341199
SPEC240 µH, 5:5:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1240 µH
Turns Ratio5:5:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond300 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341206
SPEC240 µH, 5:5:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1240 µH
Turns Ratio5:5:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond300 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341136
SPEC260 µH, 4:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1260 µH
Turns Ratio4:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond320 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341140
SPEC260 µH, 4:4:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1260 µH
Turns Ratio4:4:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond320 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341144
SPEC260 µH, 4:4:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1260 µH
Turns Ratio4:4:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond320 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341186
SPEC290 µH, 5:6:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1290 µH
Turns Ratio5:6:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond330 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341193
SPEC290 µH, 5:6:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1290 µH
Turns Ratio5:6:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond330 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341200
SPEC290 µH, 5:6:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1290 µH
Turns Ratio5:6:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond330 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341207
SPEC290 µH, 5:6:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1290 µH
Turns Ratio5:6:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond330 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341187
SPEC345 µH, 6:6:1:1, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1345 µH
Turns Ratio6:6:1:1 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond360 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341194
SPEC345 µH, 6:6:2:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1345 µH
Turns Ratio6:6:2:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond360 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341201
SPEC345 µH, 6:6:3:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1345 µH
Turns Ratio6:6:3:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond360 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341208
SPEC345 µH, 6:6:4:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1345 µH
Turns Ratio6:6:4:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond360 Vµs
Length21.08 mm
Width23.37 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341137
SPEC410 µH, 5:5:4, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1410 µH
Turns Ratio5:5:4 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond400 Vµs
Length26.67 mm
Width29.3 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341141
SPEC410 µH, 5:5:3, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1410 µH
Turns Ratio5:5:3 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond400 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability
WE-PLN Planar Transformers
750341145
SPEC410 µH, 5:5:2, 2250 V (DC)
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 1410 µH
Turns Ratio5:5:2 
Insulation Test Voltage2250 V (DC)
Voltage-µSecond400 Vµs
Length26.67 mm
Width29.41 mm
Height10.5 mm
MountSMT 
Check availability