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Bourns, Inc.
EMI Filters and Suppression Components

Bourns, Inc.- EMI Filters and Suppression Components

Bourns, Inc. is a global manufacturer of electronic components, founded in 1947 by Marlan and Rosemary Bourns, with its headquarters in Riverside, California, USA. The company specializes in the design and production of a wide range of passive components, circuit protection devices, and sensors for various industries. Bourns' product portfolio includes trimming potentiometers, precision potentiometers, linear motion potentiometers, and rotary dials, which are widely used in industrial and consumer applications. In the area of circuit protection, Bourns offers thyristor surge protectors, gas discharge tubes, resettable fuses, telecom fuses, and ESD protection products. The company also provides an extensive lineup of inductive components such as transformers, coils, and chokes for power and signal applications. Its resistive product range features chip resistors, chip resistor arrays, and specialty resistors, including current sense and high-power types. Additionally, Bourns manufactures switches, encoders, panel controls, modular contacts, and network interface devices for telecommunications. More recent expansions include microelectronic modules, power semiconductors, and custom integrated passive solutions. Bourns serves key markets like automotive, industrial automation, telecommunications, consumer electronics, and medical equipment. With manufacturing facilities and sales offices around the world, Bourns is recognized as a trusted supplier of high-reliability components, holding a strong position in the niche potentiometer and circuit protection segments.

EMI Filters and Suppression Components - 型号列表

58 parts in total

Mfr Part #	Quantity Available	Price	Operating Temperature	Impedance	Standard Package	RoHS	Depth	Height	Termination	Mounting Type	Length - Overall	Type	EU RoHS	Voltage - Input (Min)	Other Names	ESD Protection	Filter Order	Attenuation Value	Number of Channels	Resistance - Channel (Ohms)	Packaging	Package / Case	Size / Dimension	Values	Technology	Applications	Product Category	Factory Pack Quantity	Capacitance	Voltage Rating	Attenuation - Typ	Width	Product	Current	Frequency Range	Current Rating (Max)	Termination Style	Circuit Type	RF Family/Standard	Tariff No	Weight	SVHC	Rad Hardened	Material Flammability Rating	Voltage	Tolerance	Resistance	Filter Type	Power Per Element	Number of Elements	Resistance Tolerance	Length	Connector Type	Mounting Style	Series	Product Type	Operating Temperature - Junction
4118R-601-101/201L Electromechanical Filter 100Ohm EMI Filter RC-Circuit 25VAC/25VDC PC Pins Thru-Hole RC NETWORK 10 OHM 200PF 20-DIP bourns	10	2000: ¥8.1151	10 to 85 °C	100 Ohm	Rail / Tube	Contains lead / RoHS non-compliant	8.64	4.57	PC Pins	Through Hole	24.51	RC-Circuit	Compliant	25VAC\|25VDC	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4420P-601-270/500 Electromechanical Filter 27Ohm EMI Filter 25VAC/25VDC Gull Wing SMD RES NET MULT OHM SIP bourns	10	1500: ¥8.4748	10 to 85 °C	27 Ohm	Tape & Reel	Lead free / RoHS Compliant	10.34	2.78	Gull Wing	Surface Mount	12.95	RC-Circuit	Not Compliant	25VAC\|25VDC	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 4420P-601-250/500L Electromechanical Filter 25Ohm EMI Filter RC-Circuit 25VAC/25VDC Gull Wing SMD RC NETWORK 25 OHM 50PF SMD bourns	1234	1: ¥20.944	10 to 85 °C	25 Ohm	Tape & Reel	Lead free / RoHS Compliant	10.34	0.114" (2.90mm)	Gull Wing	Surface Mount	12.95	RC-Circuit	Compliant	25VAC\|25VDC	4420P-601-250/500LCT	No	1st	3dB @ 84MHz	8	25	Tape & Reel (TR)	20-SOIC (0.295", 7.50mm Width)	0.510" L x 0.295" W (12.95mm x 7.50mm)	R = 25 Ohms, C = 50pF	RC (T-Type)	General Purpose	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 EMI271T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 270PF 200-300MHZ 5A EMI Network Filter 270pF 20% 50VOLT 5AMP bourns / j.w. miller	1500	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9940CT	No	3rd	25dB @ 200MHz ~ 300MHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 270pF	LC (T-Type)	General Purpose	EMI Network Filter	2000	270 pF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	200 MHz to 300 MHz	5 A	Radial	LC (T) Filter	EMI T	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4120R-601-470/101L Electromechanical Filter 47Ohm EMI Filter RC-Circuit 25VAC/25VDC PC Pins Thru-Hole RC NETWORK 4.7 OHM 50PF 20-DIP bourns	10	2000: ¥8.449	10 to 85 °C	47 Ohm	Rail / Tube	Contains lead / RoHS non-compliant	8.64	4.57	PC Pins	Through Hole	27.05	RC-Circuit	Compliant	25VAC\|25VDC	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 EMI103T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 10000PF 15-200MHZ 5A EMI Network Filter 10KpF 20% 50VOLT 5AMP EMI,NETWORKFILTER;10,000-20%,+80%@1KHZ;15-200MHZ25DBATTEN bourns / j.w. miller	2770	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9935CT	No	3rd	25dB @ 15MHz ~ 200MHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 0.01µF	LC (T-Type)	General Purpose	EMI Network Filter	2000	0.01 uF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	15 MHz to 200 MHz	5 A	Radial	LC (T) Filter	EMI T	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 EMI220T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 22PF 800MHZ 5A 50VDC EMI Network Filter 22pF 20% 50VOLT 5AMP bourns / j.w. miller	400	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9936CT	No	3rd	25dB @ 800MHz ~ 1GHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 22pF	LC (T-Type)	General Purpose	EMI Network Filter	2000	22 pF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	800 MHz to 1 GHz	5 A	Radial	LC (T) Filter	EMI T	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 EMI221T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 220PF 200-350MHZ 5A EMI Network Filter 220pF 20% 50VOLT 5AMP bourns / j.w. miller	1450	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9939CT	No	3rd	25dB @ 200MHz ~ 350MHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 220pF	LC (T-Type)	General Purpose	EMI Network Filter	2000	220 pF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	200 MHz to 350 MHz	5 A	Radial	LC (T) Filter	EMI T	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
6 EMI222T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 2200PF 45-200MHZ 5A EMI Network Filter 2.2KpF 20% 50VOLT 5AMP EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER ((NW)) EMIFilter,Network,2200CP(pF)@1Khz,20% bourns / j.w. miller	9558	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9942CT	No	3rd	25dB @ 45MHz ~ 200MHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 2200pF	LC (T-Type)	General Purpose	EMI Network Filter	2000	2200 pF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	45 MHz to 200 MHz	5 A	Radial	LC (T) Filter	EMI T	85339000	0.000001	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 EMI470T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 47PF 550-700MHZ 5A EMI Network Filter 47pF 20% 50VOLT 5AMP bourns / j.w. miller	3555	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9938CT	No	3rd	25dB @ 550MHz ~ 700MHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 47pF	LC (T-Type)	General Purpose	EMI Network Filter	2000	47 pF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	550 MHz to 700 MHz	5 A	Radial	LC (T) Filter	EMI T	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 EMI471T-RC EMI Filter 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack EMI Filter T-Circuit 25dB 5A 50VDC PC Pins Thru-Hole Ammo Pack FILTER EMI 470PF 120-300MHZ 5A EMI Network Filter 470pF 20% 50VOLT 5AMP bourns / j.w. miller	1435	1: ¥2.7037	-25 °C	-	Tape & Reel	Lead free / RoHS Compliant	3.2	0.315" (8.00mm)	PC Pins	Through Hole	9	EMI T Network Filter	Compliant	50 Vdc	M9937CT	No	3rd	25dB @ 120MHz ~ 300MHz	1	0.05	Ammo Pack	Radial - 3 Leads	0.354" L x 0.126" W (9.00mm x 3.20mm)	C = 470pF	LC (T-Type)	General Purpose	EMI Network Filter	2000	470 pF	50 VDC	25 dB	3.2 mm	EMI Network Filters	5A	120 MHz to 300 MHz	5 A	Radial	LC (T) Filter	EMI T	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 4120R-601-250/201L Electromechanical Filter 25Ohm RC NETWORK 25 OHM 200PF 20-DIP Bourns 200pF 25Ω 25V RC Network Capacitor 8-Way Through Hole Resistor Networks & Arrays 20 PIN 200ohms EMI Filter RC-Circuit 25VAC/25VDC PC Pins Thru-Hole FILTER, T NETWORK, 200PF, 25R FILTERNETWORK200PF25R Bourns 601 系列 200pF 25Ω 25 V 8路 RC 电容器, 通孔 bourns	843	1: ¥20.944	10 to 85 °C	25 Ohm	Rail / Tube	Lead free / RoHS Compliant	6.71mm	0.331" (8.40mm)	PC Pins	Through Hole	27.05 mm	Low Pass	-	-	4120R601250201L	No	1st	3dB @ 21MHz	8	25	Tube	20-DIP (0.300", 7.62mm)	1.065" L x 0.264" W (27.05mm x 6.71mm)	R = 25 Ohms, C = 200pF	RC (T-Type)	General Purpose	Resistor Networks & Arrays	20	200pF	:25V	:4dB	:7.87mm	-	-	-	-	-	-	-	85363010	0.001	:No SVHC (20-Jun-2013)	No	:UL94V-0	25 V	±30%	25Ω	:-	2.8 W	8	±10%	27.05mm	:-	Through Hole	4100R	Networks	85C
BNSSRF0905500Y Electromechanical Filter 1500Ohm 50uH 0.8A bourns	-		-40 to 105 °C	1500 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNSSRF1006501Y Electromechanical Filter Line Filter 800Ohm 500uH 0.84A bourns	-		-40 to 105 °C	800 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNSSRF1306350Y Electromechanical Filter Line Filter 400Ohm 35uH 2.7A bourns	-		-40 to 105 °C	400 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNS4120R601250101L Electromechanical Filter 25Ohm bourns	-		10 to 85 °C	25 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNSSRF0504302Y Electromechanical Filter 1000Ohm 5uH 0.5A bourns	-		-40 to 125 °C	3000 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNSSRF0602100Y Electromechanical Filter Line Filter 600Ohm 10uH 300mA bourns	-		-40 to 105 °C	600 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNSSRF0905102Y Electromechanical Filter 1500Ohm 1000uH 0.8A bourns	-		-40 to 105 °C	1500 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
BNSSRF0905251Y Electromechanical Filter 600Ohm 250uH 1.2A bourns	-		-40 to 105 °C	600 Ohm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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Bourns, Inc.- EMI Filters and Suppression Components

EMI Filters and Suppression Components - 型号列表

Impedance

Other Names

Attenuation Value

Values

Capacitance

Frequency Range

Height

Length - Overall

Depth

Operating Temperature

Type

Packaging

Package / Case

Size / Dimension

Standard Package

RoHS

EU RoHS

Voltage - Input (Min)

Termination

Mounting Type

Filter Order

Number of Channels

Resistance - Channel (Ohms)

Technology

Product Category

Factory Pack Quantity

Voltage Rating

Attenuation - Typ

Width

Tariff No

Weight