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Bourns, Inc.
RFI and EMI Shielding Materials

Bourns, Inc.- RFI and EMI Shielding Materials

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.

RFI and EMI Shielding Materials - 型号列表

305 parts in total

Mfr Part #	Quantity Available	Price	Standard Package	RoHS	Impedance	Mounting Type	Operating Temperature	Depth	Height	Type	EU RoHS	Length - Overall	Packaging	Package / Case	Size / Dimension	Product	Product Category	Tolerance	Filter Type	Test Frequency	Current Rating (Max)	Impedance @ Frequency	Width	Height (Max)	Termination Style	DC Resistance (DCR)	Resistance - Initial (Ri) (Min)	Core Material	Factory Pack Quantity	Series	Other Names	Number of Elements	Voltage - Input (Min)	Termination	Tariff No	Current Rating - DC	DC Resistance (DCR) (Max)	Weight	Mounting Feature	ESD Protection	Filter Order	Attenuation Value	Number of Channels	Resistance - Channel (Ohms)	Values	Technology	Applications
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	Rail / Tube	Contains lead / RoHS non-compliant	100 Ohm	Through Hole	10 to 85 °C	8.64	4.57	RC-Circuit	Compliant	24.51	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	25VAC\|25VDC	PC Pins	-	-	-	-	-	-	-	-	-	-	-	-	-
MU1005-102Y Ind Chip Bead 1KOhm 25% 100MHz Ferrite 80mA 0402 T/R Ferrite Beads Multi-Layer Chip Bead 1KOhm 25% 100MHz 80mA 0402 T/R BEAD FERRITE 1000 OHM 80MA 1005 EMI Filter Beads, Chips & Arrays 1000 Ohm 25% High Impedance bourns	10	10000: ¥0.2142	Tape & Reel	Lead free / RoHS Compliant	1 KOhm	Surface Mount	- 55 C to + 125 C	0.6	0.6 mm	Chip Bead	Compliant	1.1	Tape and Reel	0402	0.039" L x 0.020" W (1.00mm x 0.50mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	80 mA	1 kOhm @ 100MHz	0.5 mm	0.024" (0.60mm)	SMD/SMT	1.2 Ohm Max	1.2 Ohm	Ferrite	-	MU	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MU1005-241Y Ind Chip Bead 240Ohm 25% 100MHz Ferrite 100mA 0402 T/R Ferrite Beads Multi-Layer 240Ohm 25% 100MHz 100mA 600mOhm DCR 0402 T/R BEAD FERRITE 240 OHM 100MA 1005 EMI Filter Beads, Chips & Arrays 240 Ohm 25% High Impedance bourns	10	10000: ¥0.2142	Tape & Reel	Lead free / RoHS Compliant	240 Ohm	Surface Mount	- 55 C to + 125 C	0.6	0.6 mm	Chip Bead	Compliant	1.1	Tape and Reel	0402	0.039" L x 0.020" W (1.00mm x 0.50mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	100 mA	240 Ohm @ 100MHz	0.5 mm	0.024" (0.60mm)	SMD/SMT	600 mOhm Max	600 mOhm	Ferrite	-	MU	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MU2029-601Y MAGNETICS - FERRITE CHIP BEAD BEAD FERRITE 600 OHM 100MA 2012 EMI Filter Beads, Chips & Arrays 600 Ohm 25% High Impedance bourns	10	4000: ¥0.0993	4,000	RoHS Compliant	600 Ohms	Surface Mount	- 55 C to + 125 C	-	-	-	-	-	Tape & Reel (TR)	0805 (2012 Metric)	0.079" L x 0.047" W (2.00mm x 1.20mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	100mA	600 Ohm @ 100MHz	1.2 mm	0.043" (1.10mm)	SMD/SMT	-	-	-	-	MU	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MU3261-300Y Ind Chip Bead 30Ohm 25% 100MHz Ferrite 500mA 1206 T/R Ferrite Beads Multi-Layer 30Ohm 25% 100MHz 500mA 200mOhm DCR 1206 T/R BEAD FERRITE 30 OHM 500MA 3216 EMI Filter Beads, Chips & Arrays 30 Ohm 25% High Impedance bourns	16	5: ¥0.5631	Tape & Reel	Lead free / RoHS Compliant	30 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	1.3 mm	Chip Bead	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	500 mA	30 Ohm @ 100MHz	1.6 mm	0.051" (1.30mm)	SMD/SMT	200 mOhm Max	200 mOhm	Ferrite	-	MU	MU3261-300YCT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MH1608-300Y Ind High Current Chip Bead 30Ohm 25% 100MHz Ferrite 1A 0603 T/R Ferrite Beads High Current Chip 30Ohm 25% 100MHz 1A 60mOhm DCR 0603 T/R BEAD FERRITE 30 OHM 3.0A 1608 EMI Filter Beads, Chips & Arrays Impedance 30ohms IDC 1.0 bourns	12000	4000: ¥0.1992	Tape & Reel	Lead free / RoHS Compliant	30 Ohm	Surface Mount	- 55 C to + 125 C	1	1 mm	High Current Chip Bead	Compliant	1.8	Tape and Reel	0603	0.063" L x 0.031" W (1.60mm x 0.80mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	1 A	30 Ohm @ 100MHz	0.8 mm	0.039" (1.00mm)	SMD/SMT	60 mOhm Max	60 mOhm	Ferrite	4000	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4420P-601-270/500 Electromechanical Filter 27Ohm EMI Filter 25VAC/25VDC Gull Wing SMD RES NET MULT OHM SIP bourns	10	1500: ¥8.4748	Tape & Reel	Lead free / RoHS Compliant	27 Ohm	Surface Mount	10 to 85 °C	10.34	2.78	RC-Circuit	Not Compliant	12.95	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	25VAC\|25VDC	Gull Wing	-	-	-	-	-	-	-	-	-	-	-	-	-
MH2029-070Y Ind High Current Chip Bead 7Ohm 25% 100MHz Ferrite 3A 0805 T/R BEAD FERRITE 7 OHM 3A EMI Filter Beads, Chips & Arrays Impedance 7ohms IDC 3.0 FERRITE BEAD, 7OHM, 25%, 3A, 0805, FULL REEL FERRITE BEAD, 7OHM, 25%, 3A, 0805 bourns	83	4000: ¥0.1817	Tape & Reel	Lead free / RoHS Compliant	7 Ohm	Surface Mount	- 55 C to + 125 C	1.4 mm	1.1 mm	High Current Chip Bead	-	-	Tape & Reel (TR)	0805	0.079" L x 0.047" W (2.00mm x 1.20mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	3 A	7 Ohm @ 100MHz	1.2 mm	0.043" (1.10mm)	SMD/SMT	30 mOhm Max	30 mOhm	Ferrite	4000	:MH	MH2029-070YCT	-	-	-	85049011	:3A	:0.03ohm	0	:SMD	-	-	-	-	-	-	-	-
MH4516-750Y Ind High Current Chip Bead 75Ohm 25% 100MHz Ferrite 3A 1806 T/R Ferrite Beads High Current Chip 75Ohm 25% 100MHz 3A 25mOhm DCR 1806 T/R BEAD FERRITE 75 OHM 3A 4516 EMI Filter Beads, Chips & Arrays Impedance 75ohms IDC 3.0 bourns	10	1: ¥0.748	Tape & Reel	Lead free / RoHS Compliant	75 Ohm	Surface Mount	- 55 C to + 125 C	1.8	1.8 mm	High Current Chip Bead	Compliant	4.7	Tape and Reel	1806	0.177" L x 0.063" W (4.50mm x 1.60mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	3 A	75 Ohm @ 100MHz	1.6 mm	0.071" (1.80mm)	SMD/SMT	25 mOhm Max	25 mOhm	Ferrite	2000	MH	MH4516-750YCT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MG1608-121Y Ind Chip Bead 120Ohm 25% 100MHz Ferrite 200mA 0603 T/R Ferrite Beads Multi-Layer 120Ohm 25% 100MHz 200mA 300mOhm DCR 0603 T/R BEAD FERRITE 120 OHM 200MA 1608 EMI Filter Beads, Chips & Arrays 120ohms 200mA Impedance@100MHz bourns	10	4000: ¥0.0993	Tape & Reel	Lead free / RoHS Compliant	120 Ohm	Surface Mount	- 55 C to + 125 C	1	1 mm	Chip Bead	Compliant	1.8	Tape and Reel	0603	0.063" L x 0.031" W (1.60mm x 0.80mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	200 mA	120 Ohm @ 100MHz	0.8 mm	0.039" (1.00mm)	SMD/SMT	300 mOhm Max	300 mOhm	Ferrite	4000	-	MG1608-121YCT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MG2029-121Y Ind Chip Bead 120Ohm 25% 100MHz Ferrite 300mA 0805 T/R Ferrite Beads Multi-Layer Chip Bead 120Ohm 25% 100MHz 300mA 0805 T/R BEAD FERRITE 120 OHM 300MA 0805 EMI Filter Beads, Chips & Arrays 120ohms 300mA Impedance@100MHz bourns	1776	5: ¥0.2727	Tape & Reel	Lead free / RoHS Compliant	120 Ohm	Surface Mount	- 55 C to + 125 C	1.4 mm	1.1 mm	Chip Bead	Compliant	2.2	Tape and Reel	0805	0.079" L x 0.047" W (2.00mm x 1.20mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	300 mA	120 Ohm @ 100MHz	1.2 mm	0.043" (1.10mm)	SMD/SMT	250 mOhm Max	250 mOhm	Ferrite	4000	-	MG2029-121YCT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MH4532-131Y Ind High Current Chip Bead 130Ohm 25% 100MHz Ferrite 3A 1812 T/R Ferrite Beads High Current Chip Bead 130Ohm 25% 100MHz 3A 1812 T/R BEAD FERRITE 130 OHM 3A 4532 EMI Filter Beads, Chips & Arrays Impedance 130ohms IDC 3.0 bourns	68	1: ¥3.654	Tape & Reel	Lead free / RoHS Compliant	130 Ohm	Surface Mount	- 55 C to + 125 C	3.4 mm	1.7 mm	High Current Chip Bead	Compliant	4.7	Tape and Reel	1812	0.177" L x 0.126" W (4.50mm x 3.20mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	3 A	130 Ohm @ 100MHz	3.2 mm	0.067" (1.70mm)	SMD/SMT	40 mOhm Max	40 mOhm	Ferrite	1000	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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	Tape & Reel	Lead free / RoHS Compliant	25 Ohm	Surface Mount	10 to 85 °C	10.34	0.114" (2.90mm)	RC-Circuit	Compliant	12.95	Tape & Reel (TR)	20-SOIC (0.295", 7.50mm Width)	0.510" L x 0.295" W (12.95mm x 7.50mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4420P-601-250/500LCT	-	25VAC\|25VDC	Gull Wing	-	-	-	-	-	No	1st	3dB @ 84MHz	8	25	R = 25 Ohms, C = 50pF	RC (T-Type)	General Purpose
MA3216-500S4 Ind Chip Bead Array 50Ohm 25% 100MHz Ferrite 200mA 1206 T/R Ferrite Beads Chip Array 50Ohm 25% 100MHz 200mA 200mOhm DCR 1206 T/R BEAD FERRITE ARRAY 50 OHM 3216 EMI Filter Beads, Chips & Arrays 50ohms @ 100MHz 200mA IDC bourns	10	300000: ¥0.4352	Tape & Reel	Lead free / RoHS Compliant	50 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	0.9 mm	Chip Bead Array	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Bead Arrays	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - 4 Line Array	100 MHz	200 mA	50 Ohm @ 100MHz	1.6 mm	0.035" (0.90mm)	SMD/SMT	200 mOhm Max	200 mOhm	Ferrite	3000	-	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MA3216-600M4 Ind Chip Bead Array 60Ohm 25% 100MHz Ferrite 200mA 1206 T/R Ferrite Beads Chip Array 60Ohm 25% 100MHz 200mA 120mOhm DCR 1206 T/R BEAD FERRITE ARRAY 60 OHM 3216 EMI Filter Beads, Chips & Arrays 60ohms @ 100MHz 200mA IDC bourns	10	300000: ¥0.4352	Tape & Reel	Lead free / RoHS Compliant	60 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	0.9 mm	Chip Bead Array	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Bead Arrays	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - 4 Line Array	100 MHz	200 mA	60 Ohm @ 100MHz	1.6 mm	0.035" (0.90mm)	SMD/SMT	120 mOhm Max	120 mOhm	Ferrite	3000	-	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MA3216-600T4 Ind Chip Bead Array 60Ohm 25% 100MHz Ferrite 200mA 1206 T/R Ferrite Beads Chip Array 60Ohm 25% 100MHz 200mA 120mOhm DCR 1206 T/R BEAD FERRITE ARRAY 60 OHM 3216 EMI Filter Beads, Chips & Arrays 60ohms @ 100MHz 200mA IDC bourns	10	3000: ¥0.459	Tape & Reel	Lead free / RoHS Compliant	60 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	0.9 mm	Chip Bead Array	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Bead Arrays	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - 4 Line Array	100 MHz	200 mA	60 Ohm @ 100MHz	1.6 mm	0.035" (0.90mm)	SMD/SMT	120 mOhm Max	120 mOhm	Ferrite	3000	-	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MA3216-601M4 Ind Chip Bead Array 600Ohm 25% 100MHz Ferrite 100mA 1206 T/R Ferrite Beads Chip Array 600Ohm 25% 100MHz 100mA 500mOhm DCR 1206 T/R BEAD FERRITE ARRAY 600 OHM 3216 EMI Filter Beads, Chips & Arrays 600ohms @ 100MHz 100mA IDC bourns	10	300000: ¥0.4352	Tape & Reel	Lead free / RoHS Compliant	600 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	0.9 mm	Chip Bead Array	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Bead Arrays	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - 4 Line Array	100 MHz	100 mA	600 Ohm @ 100MHz	1.6 mm	0.035" (0.90mm)	SMD/SMT	500 mOhm Max	500 mOhm	Ferrite	3000	-	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MG2029-400Y Ind Chip Bead 40Ohm 25% 100MHz Ferrite 300mA 0805 T/R Ferrite Beads Multi-Layer 40Ohm 25% 100MHz 300mA 200mOhm DCR 0805 T/R BEAD FERRITE 40 OHM 300MA EMI Filter Beads, Chips & Arrays 40ohms 300mA Impedance@100MHz bourns	16	20: ¥0.2415	Tape & Reel	Lead free / RoHS Compliant	40 Ohm	Surface Mount	- 55 C to + 125 C	1.4 mm	1.1 mm	Chip Bead	Compliant	2.2	Tape and Reel	0805	0.079" L x 0.047" W (2.00mm x 1.20mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	300 mA	40 Ohm @ 100MHz	1.2 mm	0.043" (1.10mm)	SMD/SMT	200 mOhm Max	200 mOhm	Ferrite	4000	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MH3261-151Y Ind High Current Chip Bead 150Ohm 25% 100MHz Ferrite 2A 1206 T/R Ferrite Beads High Current Chip 150Ohm 25% 100MHz 2A 100mOhm DCR 1206 T/R BEAD FERRITE 150 OHM 2A 3216 EMI Filter Beads, Chips & Arrays 150uH 25% HIGH CURRENT bourns	10	1: ¥0.68	Tape & Reel	Lead free / RoHS Compliant	150 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	1.3 mm	High Current Chip Bead	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	2 A	150 Ohm @ 100MHz	1.6 mm	0.051" (1.30mm)	SMD/SMT	100 mOhm Max	100 mOhm	Ferrite	3000	MH	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MH3261-310Y Ind High Current Chip Bead 31Ohm 25% 100MHz Ferrite 3A 1206 T/R Ferrite Beads High Current Chip 31Ohm 25% 100MHz 3A 40mOhm DCR 1206 T/R BEAD FERRITE 31 OHM 3.0A 3216 EMI Filter Beads, Chips & Arrays Impedance 31ohms IDC 3.0 bourns	2400	290: ¥0.5875	Tape & Reel	Lead free / RoHS Compliant	31 Ohm	Surface Mount	- 55 C to + 125 C	1.8 mm	1.3 mm	High Current Chip Bead	Compliant	3.4	Tape and Reel	1206	0.126" L x 0.063" W (3.20mm x 1.60mm)	Ferrite Chip Beads	EMI Filter Beads, Chips & Arrays	25 %	Differential Mode - Single	100 MHz	3 A	31 Ohm @ 100MHz	1.6 mm	0.051" (1.30mm)	SMD/SMT	40 mOhm Max	40 mOhm	Ferrite	3000	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-