Common Mode Filters / Chokes

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RT Series N Current-Compensated EMC/RFI Chokes

TE Connectivity / Schaffner RT Series N Current-Compensated EMC/RFI Chokes are optimized to filter EMI noise on AC power lines up to 600V_AC. The chokes feature 2- and 3-wire configurations in horizontal and vertical PCB mounting types for application flexibility. The RT Series N also provides an open construction for forced and convection cooling with ruggedized saturation and thermal behavior. The chokes have an integrated nanocrystalline core for high performance at 10kHz and a straightforward pin-out for easy PCB design. The TE Connectivity / Schaffner RT Series N Current-Compensated EMC/RFI Chokes are RoHS compliant and ideal for various applications, including AC/DC filtering for midsize power range drives, photovoltaic (PV) inverters, fast chargers, electric vehicle (EV) charging stations, uninterruptible power supplies (UPS), switch-mode power supplies (SMPS), and more.

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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.	Mounting Style	Number of Channels	Series	Termination Style	Inductance	Tolerance	Maximum DC Current	Maximum DC Resistance	Minimum Operating Temperature	Maximum Operating Temperature	Length	Width	Height	Packaging	Product	Type
Common Mode Chokes / Filters Common-Mode Choke 25A 17.3mH hor 1ph/DC Nano Core RT8121-25-17M3 TE Connectivity / Schaffner 1: $74.957 60In Stock New Product	Mfr. Part # RT8121-25-17M3 Mouser Part # 631-RT8121-25-17M3 New Product	TE Connectivity / Schaffner	Common Mode Chokes / Filters Common-Mode Choke 25A 17.3mH hor 1ph/DC Nano Core Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	60In Stock	$74.957 $64.099 $59.322	Min.: 1 Mult.: 1	PCB Mount	1 Channel	RT-Series	Through Hole	17.3 mH	+ 50 %, - 30 %			- 40 C					Bulk	EMC/RFI Chokes
Common Mode Chokes / Filters Common-Mode Choke 85A 3.2mH hor 1ph/DC Nano Core RT8121-85-3M2 TE Connectivity / Schaffner 1: $135.323 21In Stock New Product	Mfr. Part # RT8121-85-3M2 Mouser Part # 631-RT8121-85-3M2 New Product	TE Connectivity / Schaffner	Common Mode Chokes / Filters Common-Mode Choke 85A 3.2mH hor 1ph/DC Nano Core Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	21In Stock	$135.323 $106.304 $106.293	Min.: 1 Mult.: 1	PCB Mount	1 Channel	RT-Series	Through Hole	3.2 mH	+ 50 %, - 30 %			- 40 C					Bulk	EMC/RFI Chokes
Common Mode Chokes / Filters Common-Mode Choke 85A 1.8mH hor 3ph Nano Core RT8131-85-1M8 TE Connectivity / Schaffner 1: $139.253 24In Stock New Product	Mfr. Part # RT8131-85-1M8 Mouser Part # 631-RT8131-85-1M8 New Product	TE Connectivity / Schaffner	Common Mode Chokes / Filters Common-Mode Choke 85A 1.8mH hor 3ph Nano Core Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	24In Stock	$139.253 $109.543 $109.532	Min.: 1 Mult.: 1	PCB Mount	1 Channel	RT-Series	Through Hole	1.8 mH	+ 50 %, - 30 %			- 40 C					Bulk	EMC/RFI Chokes
Common Mode Chokes / Filters Common-Mode Choke 85A 3.2mH vert 1ph/DC Nano Core RT8521-85-3M2 TE Connectivity / Schaffner 1: $117.569 23In Stock New Product	Mfr. Part # RT8521-85-3M2 Mouser Part # 631-RT8521-85-3M2 New Product	TE Connectivity / Schaffner	Common Mode Chokes / Filters Common-Mode Choke 85A 3.2mH vert 1ph/DC Nano Core Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	23In Stock	$117.569 $90.109 $89.955	Min.: 1 Mult.: 1	PCB Mount	1 Channel	RT-Series	Through Hole	3.2 mH	+ 50 %, - 30 %			- 40 C					Bulk	EMC/RFI Chokes
Common Mode Chokes / Filters Common-Mode Choke 85A 1.8mH vert 3ph Nano Core RT8531-85-1M8 TE Connectivity / Schaffner 1: $118.974 24In Stock New Product	Mfr. Part # RT8531-85-1M8 Mouser Part # 631-RT8531-85-1M8 New Product	TE Connectivity / Schaffner	Common Mode Chokes / Filters Common-Mode Choke 85A 1.8mH vert 3ph Nano Core Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	24In Stock	$118.974 $91.119 $91.086	Min.: 1 Mult.: 1	PCB Mount	1 Channel	RT-Series	Through Hole	1.8 mH	+ 50 %, - 30 %			- 40 C					Bulk	EMC/RFI Chokes
Common Mode Chokes / Filters Common-Mode Choke 25A 17.3mH vert 1ph/DC Nano Core RT8521-25-17M3 TE Connectivity / Schaffner 1: $73.607 19In Stock New Product	Mfr. Part # RT8521-25-17M3 Mouser Part # 631-RT8521-25-17M3 New Product	TE Connectivity / Schaffner	Common Mode Chokes / Filters Common-Mode Choke 25A 17.3mH vert 1ph/DC Nano Core Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	19In Stock	$73.607 $56.490 $53.558	Min.: 1 Mult.: 1	PCB Mount	1 Channel	RT-Series	Through Hole	17.3 mH	+ 50 %, - 30 %			- 40 C					Bulk	EMC/RFI Chokes
Common Mode Chokes / Filters RT8121-32-12M8 RT8121-32-12M8 TE Connectivity / Schaffner 1: $88.978 39In Stock	Mfr. Part # RT8121-32-12M8 Mouser Part # 631-RT8121-32-12M8	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8121-32-12M8 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	39In Stock	$88.978 $75.276	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	12.8 mH	- 30 %, + 50 %	32 A, 51 A	3.4 mOhms	- 40 C	+ 125 C			37 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8121-40-10M1 RT8121-40-10M1 TE Connectivity / Schaffner 1: $97.224 32In Stock	Mfr. Part # RT8121-40-10M1 Mouser Part # 631-RT8121-40-10M1	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8121-40-10M1 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	32In Stock	$97.224 $83.642 $83.510	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	10.1 mH	- 30 %, + 50 %	40 A, 64 A	2.2 mOhms	- 40 C	+ 125 C			37 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8121-50-8M6 RT8121-50-8M6 TE Connectivity / Schaffner 1: $109.817 50In Stock	Mfr. Part # RT8121-50-8M6 Mouser Part # 631-RT8121-50-8M6	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8121-50-8M6 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	50In Stock	$109.817 $96.016	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	8.6 mH	- 30 %, + 50 %	50 A, 80 A	1.7 mOhms	- 40 C	+ 125 C			41 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8131-25-12M8 RT8131-25-12M8 TE Connectivity / Schaffner 1: $97.202 57In Stock	Mfr. Part # RT8131-25-12M8 Mouser Part # 631-RT8131-25-12M8	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8131-25-12M8 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	57In Stock	$97.202 $82.994	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	12.8 mH	- 30 %, + 50 %	25 A	3.5 mOhms	- 40 C	+ 125 C			38 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8131-32-10M1 RT8131-32-10M1 TE Connectivity / Schaffner 1: $92.250 37In Stock	Mfr. Part # RT8131-32-10M1 Mouser Part # 631-RT8131-32-10M1	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8131-32-10M1 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	37In Stock	$92.250 $79.042	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	10.1 mH	- 30 %, + 50 %	32 A, 51 A	2.5 mOhms	- 40 C	+ 125 C			38 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8131-40-6M3 RT8131-40-6M3 TE Connectivity / Schaffner 1: $101.045 37In Stock	Mfr. Part # RT8131-40-6M3 Mouser Part # 631-RT8131-40-6M3	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8131-40-6M3 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	37In Stock	$101.045 $86.947	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	6.3 mH	- 30 %, + 50 %	40 A, 64 A	1.9 mOhms	- 40 C	+ 125 C			42 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8131-50-4M4 RT8131-50-4M4 TE Connectivity / Schaffner 1: $113.188 41In Stock	Mfr. Part # RT8131-50-4M4 Mouser Part # 631-RT8131-50-4M4	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8131-50-4M4 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	41In Stock	$113.188 $98.816	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	4.4 mH	- 30 %, + 50 %	50 A, 80 A	1.2 mOhms	- 40 C	+ 125 C			42 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8131-63-2M8 RT8131-63-2M8 TE Connectivity / Schaffner 1: $118.535 120In Stock	Mfr. Part # RT8131-63-2M8 Mouser Part # 631-RT8131-63-2M8	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8131-63-2M8 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	120In Stock	$118.535 $102.768	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	2.8 mH	- 30 %, + 50 %	63 A, 100 A	700 uOhms	- 40 C	+ 125 C			42 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8521-32-12M8 RT8521-32-12M8 TE Connectivity / Schaffner 1: $88.210 46In Stock	Mfr. Part # RT8521-32-12M8 Mouser Part # 631-RT8521-32-12M8	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8521-32-12M8 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	46In Stock	$88.210 $75.276	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	12.8 mH	- 30 %, + 50 %	32 A, 51 A	3.5 mOhms	- 40 C	+ 125 C	60 mm	38 mm	60 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8521-40-10M1 RT8521-40-10M1 TE Connectivity / Schaffner 1: $92.667 55In Stock	Mfr. Part # RT8521-40-10M1 Mouser Part # 631-RT8521-40-10M1	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8521-40-10M1 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	55In Stock	$92.667 $79.415	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	10.1 mH	- 30 %, + 50 %	40 A, 64 A	2.3 mOhms	- 40 C	+ 125 C	60 mm	38 mm	60 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8521-63-4M4 RT8521-63-4M4 TE Connectivity / Schaffner 1: $101.857 53In Stock	Mfr. Part # RT8521-63-4M4 Mouser Part # 631-RT8521-63-4M4	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8521-63-4M4 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	53In Stock	$101.857 $87.683	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	4.4 mH	- 30 %, + 50 %	63 A, 100 A	1 mOhms	- 40 C	+ 125 C	64 mm	42 mm	64 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8531-25-12M8 RT8531-25-12M8 TE Connectivity / Schaffner 1: $95.807 57In Stock	Mfr. Part # RT8531-25-12M8 Mouser Part # 631-RT8531-25-12M8	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8531-25-12M8 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	57In Stock	$95.807 $82.994	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	12.8 mH	- 30 %, + 50 %	25 A	3.5 mOhms	- 40 C	+ 125 C	60 mm	38 mm	63 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8531-32-10M1 RT8531-32-10M1 TE Connectivity / Schaffner 1: $92.250 47In Stock	Mfr. Part # RT8531-32-10M1 Mouser Part # 631-RT8531-32-10M1	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8531-32-10M1 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	47In Stock	$92.250 $79.042	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	10.1 mH	- 30 %, + 50 %	32 A, 51 A	2.5 mOhms	- 40 C	+ 125 C	60 mm	38 mm	63 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8531-40-6M3 RT8531-40-6M3 TE Connectivity / Schaffner 1: $99.299 60In Stock	Mfr. Part # RT8531-40-6M3 Mouser Part # 631-RT8531-40-6M3	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8531-40-6M3 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	60In Stock	$99.299 $82.994	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	6.3 mH	- 30 %, + 50 %	40 A, 64 A	1.9 mOhms	- 40 C	+ 125 C	64 mm	42 mm	67 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8531-50-4M4 RT8531-50-4M4 TE Connectivity / Schaffner 1: $101.045 52In Stock	Mfr. Part # RT8531-50-4M4 Mouser Part # 631-RT8531-50-4M4	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8531-50-4M4 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	52In Stock	$101.045 $86.947	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	4.4 mH	- 30 %, + 50 %	50 A, 80 A	1.2 mOhms	- 40 C	+ 125 C	64 mm	42 mm	67 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8531-63-2M8 RT8531-63-2M8 TE Connectivity / Schaffner 1: $105.436 27In Stock	Mfr. Part # RT8531-63-2M8 Mouser Part # 631-RT8531-63-2M8	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8531-63-2M8 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	27In Stock	$105.436 $90.922 $90.911	Min.: 1 Mult.: 1	PCB Mount	3 Channel	RT-Series	Through Hole	2.8 mH	- 30 %, + 50 %	63 A, 100 A	800 uOhms	- 40 C	+ 125 C	64 mm	42 mm	67 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8121-63-4M4 RT8121-63-4M4 TE Connectivity / Schaffner 1: $117.305 10In Stock 60Expected 10/26/2026	Mfr. Part # RT8121-63-4M4 Mouser Part # 631-RT8121-63-4M4	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8121-63-4M4 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	10In Stock 60Expected 10/26/2026	$117.305 $103.998	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	4.4 mH	- 30 %, + 50 %	63 A, 100 A	1.1 mOhms	- 40 C	+ 125 C			41 mm		Common Mode Chokes	Current-Compensated Choke
Common Mode Chokes / Filters RT8521-50-8M6 RT8521-50-8M6 TE Connectivity / Schaffner 1: $97.268 11In Stock 60Expected 10/6/2026	Mfr. Part # RT8521-50-8M6 Mouser Part # 631-RT8521-50-8M6	TE Connectivity / Schaffner	Common Mode Chokes / Filters RT8521-50-8M6 Learn More about TE Connectivity / Schaffner schaffner rt series n current compensated chokes	Datasheet	11In Stock 60Expected 10/6/2026	$97.268 $83.543	Min.: 1 Mult.: 1	PCB Mount	2 Channel	RT-Series	Through Hole	8.6 mH	- 30 %, + 50 %	50 A, 80 A	1.7 mOhms	- 40 C	+ 125 C	64 mm	42 mm	64 mm		Common Mode Chokes	Current-Compensated Choke

RT Series N Current-Compensated EMC/RFI Chokes

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