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EMC Design Kits

Würth Elektronik EMC Design Kits feature a wide range of kits created in-house for engineers to use during prototype development. These kits feature ferrites, filter chokes, and common mode chokes. The kits can be used for low-voltage applications, data and main power lines, ESD and surge protection, and EMI shielding materials. A product index of part numbers and part values is indicated in each kit, which enables users to pick and choose a part to test in designs.

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Types of Passive Components

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
EMI Kits WE-CBF Design Kit SMD Large Size 742791 Wurth Elektronik 1: $138.251 27In Stock 19Expected 1/29/2027	Mfr. Part # 742791 Mouser Part # 710-742791	Wurth Elektronik	EMI Kits WE-CBF Design Kit SMD Large Size Learn More about Wurth Elektronik emc design kits	Datasheet	27In Stock 19Expected 1/29/2027	$138.251	Min.: 1 Mult.: 1
EMI Kits Multi Ln Filt EvalBd Use With 710-744998 7449984 Wurth Elektronik 1: $19.459 39In Stock	Mfr. Part # 7449984 Mouser Part # 710-7449984	Wurth Elektronik	EMI Kits Multi Ln Filt EvalBd Use With 710-744998 Learn More about Wurth Elektronik emc design kits	Datasheet	39In Stock	$19.459	Min.: 1 Mult.: 1
EMI Kits Line Filter Eval Bd Use With 710-744998 7449981 Wurth Elektronik 1: $23.367 2In Stock	Mfr. Part # 7449981 Mouser Part # 710-7449981	Wurth Elektronik	EMI Kits Line Filter Eval Bd Use With 710-744998 Learn More about Wurth Elektronik emc design kits	Datasheet	2In Stock	$23.367	Min.: 1 Mult.: 1
EMI Kits STAR-TEC Design Kit Snap Ferrites 742711 Wurth Elektronik 1: $187.605 34In Stock 98On Order	Mfr. Part # 742711 Mouser Part # 710-742711	Wurth Elektronik	EMI Kits STAR-TEC Design Kit Snap Ferrites Learn More about Wurth Elektronik emc design kits	Datasheet	34In Stock 98On Order On Order Ship Dates Mfr. #: 742711 Stock: 34 Can Ship Immediately On Order: 43 Expected 11/27/2026 55 Expected 12/11/2026 Factory Lead-Time: 7 Weeks	$187.605	Min.: 1 Mult.: 1
EMI Kits WE-CBF HF Design Kit SMD Ferrites 742841 Wurth Elektronik 1: $138.251 15In Stock	Mfr. Part # 742841 Mouser Part # 710-742841	Wurth Elektronik	EMI Kits WE-CBF HF Design Kit SMD Ferrites Learn More about Wurth Elektronik emc design kits	Datasheet	15In Stock	$138.251	Min.: 1 Mult.: 1
EMI Kits EMC Filter Design Kit 744998 Wurth Elektronik 1: $256.724 38In Stock	Mfr. Part # 744998 Mouser Part # 710-744998	Wurth Elektronik	EMI Kits EMC Filter Design Kit Learn More about Wurth Elektronik emc design kits	Datasheet	38In Stock	$256.724	Min.: 1 Mult.: 1
EMI Kits WE-SECF Design Kit SMD Contact Finger 331001 Wurth Elektronik 1: $227.115 2In Stock	Mfr. Part # 331001 Mouser Part # 710-331001	Wurth Elektronik	EMI Kits WE-SECF Design Kit SMD Contact Finger Learn More about Wurth Elektronik emc design kits	Datasheet	2In Stock	$227.115	Min.: 1 Mult.: 1
EMI Kits WE-FLAT Design Kit Flat Ferrite Cores 742722 Wurth Elektronik 1: $236.969 2In Stock	Mfr. Part # 742722 Mouser Part # 710-742722	Wurth Elektronik	EMI Kits WE-FLAT Design Kit Flat Ferrite Cores Learn More about Wurth Elektronik emc design kits	Datasheet	2In Stock	$236.969	Min.: 1 Mult.: 1
EMI Kits WE-CBF Design Kit SMD Small Size 742790 Wurth Elektronik 1: $138.251 7In Stock 22On Order	Mfr. Part # 742790 Mouser Part # 710-742790	Wurth Elektronik	EMI Kits WE-CBF Design Kit SMD Small Size Learn More about Wurth Elektronik emc design kits	Datasheet	7In Stock 22On Order On Order Ship Dates Mfr. #: 742790 Stock: 7 Can Ship Immediately On Order: 9 Expected 1/22/2027 13 Expected 1/29/2027 Factory Lead-Time: 7 Weeks	$138.251	Min.: 1 Mult.: 1
EMI Kits Design Kit PCB Ferts 14Sizes 30Val 742793 Wurth Elektronik 1: $197.471 2In Stock	Mfr. Part # 742793 Mouser Part # 710-742793	Wurth Elektronik	EMI Kits Design Kit PCB Ferts 14Sizes 30Val Learn More about Wurth Elektronik emc design kits	Datasheet	2In Stock	$197.471	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-CNSW Design Kit SMD Line Filters 744230 Wurth Elektronik 1: $156.696 8In Stock	Mfr. Part # 744230 Mouser Part # 710-744230	Wurth Elektronik	Inductor Kits & Accessories WE-CNSW Design Kit SMD Line Filters Learn More about Wurth Elektronik emc design kits	Datasheet	8In Stock	$156.696	Min.: 1 Mult.: 1
Inductor Kits & Accessories Design Kit SMDComonMdeLineFltrs 744725 Wurth Elektronik 1: $217.237 1In Stock 6On Order	Mfr. Part # 744725 Mouser Part # 710-744725	Wurth Elektronik	Inductor Kits & Accessories Design Kit SMDComonMdeLineFltrs Learn More about Wurth Elektronik emc design kits	Datasheet	1In Stock 6On Order On Order Ship Dates Mfr. #: 744725 Stock: 1 Can Ship Immediately On Order: 2 Pending 4 Expected 1/29/2027 Factory Lead-Time: 7 Weeks	$217.237	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-MI Design Kit SMD Multilayer 744790 Wurth Elektronik 1: $148.117 2In Stock 4Expected 11/27/2026	Mfr. Part # 744790 Mouser Part # 710-744790	Wurth Elektronik	Inductor Kits & Accessories WE-MI Design Kit SMD Multilayer Learn More about Wurth Elektronik emc design kits	Datasheet	2In Stock 4Expected 11/27/2026	$148.117	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-CMBNC Design Kit Nancrystl Chokes 744800 Wurth Elektronik 1: $187.616 3In Stock	Mfr. Part # 744800 Mouser Part # 710-744800	Wurth Elektronik	Inductor Kits & Accessories WE-CMBNC Design Kit Nancrystl Chokes Learn More about Wurth Elektronik emc design kits	Datasheet	3In Stock	$187.616	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-CMB Design Kit Power Line Chokes 744825 Wurth Elektronik 1: $187.616 4In Stock	Mfr. Part # 744825 Mouser Part # 710-744825	Wurth Elektronik	Inductor Kits & Accessories WE-CMB Design Kit Power Line Chokes Learn More about Wurth Elektronik emc design kits	Datasheet	4In Stock	$187.616	Min.: 1 Mult.: 1
EMI Kits Dfntl Filter Eval Bd Use With 710-744998 7449982 Wurth Elektronik 1: $20.655 19In Stock	Mfr. Part # 7449982 Mouser Part # 710-7449982	Wurth Elektronik	EMI Kits Dfntl Filter Eval Bd Use With 710-744998 Learn More about Wurth Elektronik emc design kits	Datasheet	19In Stock	$20.655	Min.: 1 Mult.: 1
EMI Kits DC 2Step Filt EvalBd Use With 710-744998 7449983 Wurth Elektronik 1: $18.866 7In Stock 18On Order	Mfr. Part # 7449983 Mouser Part # 710-7449983	Wurth Elektronik	EMI Kits DC 2Step Filt EvalBd Use With 710-744998 Learn More about Wurth Elektronik emc design kits	Datasheet	7In Stock 18On Order On Order Ship Dates Mfr. #: 7449983 Stock: 7 Can Ship Immediately On Order: 5 Expected 11/27/2026 13 Expected 1/29/2027 Factory Lead-Time: 8 Weeks	$18.866	Min.: 1 Mult.: 1
EMI Kits WE-AEFA Design Kit Axial Suppression 782013 Wurth Elektronik 1: $197.471 2In Stock	Mfr. Part # 782013 Mouser Part # 710-782013	Wurth Elektronik	EMI Kits WE-AEFA Design Kit Axial Suppression Learn More about Wurth Elektronik emc design kits	Datasheet	2In Stock	$197.471	Min.: 1 Mult.: 1
EMI Kits WE-AFB Design Kit Axial Ferrite Beads 742700 Wurth Elektronik 1: $187.616 4On Order	Mfr. Part # 742700 Mouser Part # 710-742700	Wurth Elektronik	EMI Kits WE-AFB Design Kit Axial Ferrite Beads Learn More about Wurth Elektronik emc design kits	Datasheet	4On Order On Order Ship Dates Mfr. #: 742700 Stock: 0 On Order: 2 Expected 11/13/2026 2 Expected 1/22/2027 Factory Lead-Time: 7 Weeks	$187.616	Min.: 1 Mult.: 1
EMI Kits WE-SCFA Cntact Fnger Design Kit SMT EMI 331003 Wurth Elektronik 1: $185.075 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # 331003 Mouser Part # 710-331003	Wurth Elektronik	EMI Kits WE-SCFA Cntact Fnger Design Kit SMT EMI Learn More about Wurth Elektronik emc design kits	Datasheet	Non-Stocked Lead-Time 7 Weeks	$185.075	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-FI Design Kit Toroidal Line Chokes 744705 Wurth Elektronik 1: $187.616 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # 744705 Mouser Part # 710-744705	Wurth Elektronik	Inductor Kits & Accessories WE-FI Design Kit Toroidal Line Chokes Learn More about Wurth Elektronik emc design kits	Datasheet	Non-Stocked Lead-Time 7 Weeks	$187.616	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-SD Design Kit Rod Core 744713 Wurth Elektronik 1: $233.005 Non-Stocked Lead-Time 7 Weeks	Mfr. Part # 744713 Mouser Part # 710-744713	Wurth Elektronik	Inductor Kits & Accessories WE-SD Design Kit Rod Core Learn More about Wurth Elektronik emc design kits	Datasheet	Non-Stocked Lead-Time 7 Weeks	$233.005	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-CMB Design Kit Power Line Chokes 744821 Wurth Elektronik 1: $187.605 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # 744821 Mouser Part # 710-744821	Wurth Elektronik	Inductor Kits & Accessories WE-CMB Design Kit Power Line Chokes Learn More about Wurth Elektronik emc design kits	Datasheet	Non-Stocked Lead-Time 8 Weeks	$187.605	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-LF Design Kit Power Line Chokes 744630 Wurth Elektronik 1: $217.226 Non-Stocked Lead-Time 15 Weeks	Mfr. Part # 744630 Mouser Part # 710-744630	Wurth Elektronik	Inductor Kits & Accessories WE-LF Design Kit Power Line Chokes Learn More about Wurth Elektronik emc design kits	Datasheet	Non-Stocked Lead-Time 15 Weeks	$217.226	Min.: 1 Mult.: 1
Inductor Kits & Accessories WE-FC Design Kit Power Line Chokes 744864 Wurth Elektronik 1: $187.616 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # 744864 Mouser Part # 710-744864	Wurth Elektronik	Inductor Kits & Accessories WE-FC Design Kit Power Line Chokes Learn More about Wurth Elektronik emc design kits	Datasheet	Non-Stocked Lead-Time 16 Weeks	$187.616	Min.: 1 Mult.: 1

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Types of Passive Components

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EMC Design Kits

Types of Passive Components