WE-SI Leaded Toroidal Storage Chokes

Würth Elektronik WE-SI Leaded Toroidal Storage Chokes are made up of iron powder materials, which allow for low core loss. These shielded storage chokes feature a low magnetic stray field and a rated current of 1.1A to 14.5A. Würth Elektronik WE-SI Leaded Toroidal Storage Chokes are ideally suited for use in a variety of switching regulators.

Results: 15
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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Number of Channels
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Termination Style
Inductance
Tolerance
Maximum DC Current
Maximum DC Resistance
Self Resonant Frequency
Minimum Operating Temperature
Maximum Operating Temperature
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Wurth Elektronik Common Mode Chokes / Filters WE-SI 200uH 2.2A DCR=180mOhms
Datasheet
26In Stock
200On Order
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 200 uH 20 % 2.2 A 180 mOhms 3 MHz - 40 C + 105 C 18 mm x 9 mm 9 mm Bulk Toroidal Storage Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 345uH 2.1A DCR=0.2Ohms
Datasheet
150In Stock
Min.: 1
Mult.: 1

PCB Mount WE-SI Radial 20 % - 40 C + 105 C Bulk Fixed Inductors Leaded Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 49uH 5.8A DCR=0.05mOhms
Datasheet
170In Stock
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 49 uH 20 % 5.8 A 50 uOhms - 25 C + 65 C 21 mm x 10.9 mm 10.9 mm Bulk Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 75uH 5.8A DCR=0.04mOhms
Datasheet
68In Stock
100On Order
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 75 uH 20 % 5.8 A 40 mOhms - 25 C + 65 C 24 mm x 13.9 mm 13.9 mm Bulk Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 157uH 5.1A DCR=63mOhms
Datasheet
3In Stock
200Expected 9/4/2026
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 157 uH 20 % 5.1 A 63 mOhms 3 MHz - 25 C + 65 C 31 mm x 13.5 mm 13.5 mm Bulk Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 630uH 3.1A DCR=175mOhms
Datasheet
78In Stock
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 630 uH 20 % 3.1 A 175 mOhms 1.5 MHz - 25 C + 65 C 31 mm x 15 mm 15 mm Bulk Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 26uH 10.3A DCR=15mOhms
Datasheet
110In Stock
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 26 uH 20 % 10.3 A 15 mOhms 25 MHz - 40 C + 105 C 28.5 mm x 14.5 mm 14.5 mm Tray Chokes Leaded Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 48uH 8.1A DCR=25mOhms
Datasheet
89In Stock
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 48 uH 20 % 8.1 A 25 mOhms 13.6 MHz - 40 C + 105 C 30 mm x 12 mm 12 mm Bulk Toroidal Storage Chokes Leaded Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 172uH 6.5A DCR=55mOhms
Datasheet
77In Stock
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 172 uH 20 % 6.5 A 55 mOhms 3.1 MHz - 40 C + 105 C 16.5 mm Bulk Toroidal Storage Chokes Leaded Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 380uH 6.2A DCR=70mOhms
Datasheet
47In Stock
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 380 uH 20 % 6.2 A 70 mOhms 1.5 MHz - 40 C + 105 C 44 mm 16.1 mm Bulk Common Mode Chokes Toroidal
Wurth Elektronik Common Mode Chokes / Filters WE-SI 1.619mH 1.8A DCR=480mOhms
Datasheet
58Expected 8/7/2026
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 1.619 mH 20 % 1.8 A 480 mOhms 500 kHz - 40 C + 105 C 30 mm x 14.5 mm 14.5 mm Bulk Toroidal Storage Chokes Leaded Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI Leaded Toroidal Storage Choke 34 uH IR = 5.2A Isat = 1.8A RDC = 0.038 OhmS
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 34 uH 20 % 5.2 A 38 mOhms - 25 C + 65 C 17 mm x 11 mm 11 mm Bulk Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 346uH 3.8A DCR=140mOhms
Datasheet
Non-Stocked Lead-Time 51 Weeks
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 346 uH 20 % 3.8 A 140 mOhms 3.3 MHz - 25 C + 65 C 31 mm x 15 mm 15 mm Bulk Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 1.124mH 3.4A DCR=280mOhms
Datasheet
Non-Stocked Lead-Time 51 Weeks
Min.: 1
Mult.: 1

PCB Mount 1 Channel WE-SI Radial 1.124 mH 20 % 3.4 A 280 mOhms 650 kHz - 25 C + 65 C 44 mm x 18.5 mm 18.5 mm Tray Toroidal Chokes Toroidal Storage Choke
Wurth Elektronik Common Mode Chokes / Filters WE-SI 56uH 17A DCR=8.5mOhms Non-Stocked
Min.: 5,000
Mult.: 5,000

PCB Mount 1 Channel WE-SI Through Hole 56 uH 20 % 17 A 8.5 mOhms - 40 C + 125 C 36 mm 23 mm 35 mm Tray Common Mode Filters Toroidal