OverviewAll product unitsProduct unitPassive ComponentsProduct groupPower MagneticsProduct familyCurrent Sense TransformersProduct seriesWE-CST Current Sense Transformer

WE-CST Current Sense Transformer

WE-CST Current Sense Transformer
Size Dimen­sions 3DL
(mm)
W
(mm)
H
(mm)
Mount
EE4.4 4.7 4.65 3.55 SMT
EE5 7.7 6.9 5.33 SMT
EE13/7/4 14.48 20.2 10.5 SMT

Characteristics

  • Compact and low profile
  • For SMD assembly
  • Frequency up to 1 MHz
  • Primary current rating to 40 A
  • Operating temperature: -40 °C to +130 °C

Applications

  • AC current detection
  • Switch mode power supply
  • Overload sensing
  • Load drop/shutdown detection
  • Metering
  • Load measurements
  • High frequency current sensing

Products

All
EE4.4
EE5
EE13/7/4
Order Code Data­sheet DownloadsL
(µH)
nIR
(A)
∫Udt
(µVs)
VT
(V (AC))
RDC 1
(mΩ)
RDC 2
(Ω)
Samples
749252020SPEC
9 files 33 1:20 7 9 750 3 0.35
749252030SPEC
9 files 74 1:30 7 13.5 750 3 0.8
749251020SPEC
8 files 80 1:20 20 10 500 0.75 0.2
749252040SPEC
9 files 132 1:40 7 18 750 3 1.6
749251030SPEC
8 files 180 1:30 20 15 500 0.75 0.48
749252050SPEC
9 files 205 1:50 7 22.5 750 3 2.5
7492540020SPEC
9 files 224 1:20 40 49 1500 0.28 0.033
749252060SPEC
9 files 295 1:60 7 27 750 3 3.6
749251040SPEC
8 files 320 1:40 20 20 500 0.75 0.9
749252070SPEC
9 files 400 1:70 7 31.5 750 3 4.6
749251050SPEC
8 files 500 1:50 20 25 500 0.75 1.4
7492540030SPEC
9 files 504 1:30 40 74 1500 0.28 0.093
749251060SPEC
8 files 720 1:60 20 30 500 0.75 1.75
749252100SPEC
9 files 820 1:100 7 45 750 3 9.5
7492540040SPEC
9 files 896 1:40 40 99 1500 0.28 0.13
749251070SPEC
8 files 980 1:70 20 35 500 0.75 2.2
749252125SPEC
9 files 1280 1:125 7 56.2 750 3 13
7492540050SPEC
9 files 1400 1:50 40 124 1500 0.28 0.202
749252150SPEC
9 files 1800 1:150 7 67.5 750 3 21
749251100SPEC
8 files 2000 1:100 20 50 500 0.75 5.5
7492540060SPEC
9 files 2000 1:60 40 148 1500 0.28 0.305
7492540070SPEC
9 files 2740 1:70 40 173 1500 0.28 0.367
749251125SPEC
8 files 3000 1:125 20 68 500 0.75 6.5
749251150SPEC
8 files 4500 1:150 20 75 500 0.75 9.5
7492540100SPEC
9 files 5600 1:100 40 248 1500 0.28 0.805
749251200SPEC
8 files 8000 1:200 20 100 500 0.75 16.5
749251250SPEC
8 files 12500 1:250 20 125 500 0.75 23.5
7492540150SPEC
9 files 12600 1:150 40 372 1500 0.28 1.9
7492540200SPEC
9 files 22400 1:200 40 496 1500 0.28 2.63
7492540500SPEC
9 files 135000 1:500 40 1240 1500 0.28 21.2
7492540750SPEC
9 files 300000 1:750 40 1860 1500 0.28 50.1
7492541000SPEC
9 files 540000 1:1000 40 2480 1500 0.28 87.64
Order Code Data­sheet
749252020SPEC
749252030SPEC
749251020SPEC
749252040SPEC
749251030SPEC
749252050SPEC
7492540020SPEC
749252060SPEC
749251040SPEC
749252070SPEC
749251050SPEC
7492540030SPEC
749251060SPEC
749252100SPEC
7492540040SPEC
749251070SPEC
749252125SPEC
7492540050SPEC
749252150SPEC
749251100SPEC
7492540060SPEC
7492540070SPEC
749251125SPEC
749251150SPEC
7492540100SPEC
749251200SPEC
749251250SPEC
7492540150SPEC
7492540200SPEC
7492540500SPEC
7492540750SPEC
7492541000SPEC
Samples
Order Code Data­sheet DownloadsL
(µH)
nIR
(A)
∫Udt
(µVs)
VT
(V (AC))
RDC 1
(mΩ)
RDC 2
(Ω)
Samples

Videos

Würth Elektronik Webinar: Using Current Sense Transformers