Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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The KEMET MR-2021 EMI Mains Filter is rated for 250V with a max operating temperature of 55°C. It has a min insulation resistance of 300 Mohm and a rated current of 2A, making it suitable for single-phase EMI filtering applications. Approved by CSA and UL, this filter has dimensions of 40mm x 49mm x 27mm and can be chassis mounted.
Median Price
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Mouser Electronics
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DigiKey
$17.800
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Nova Conductors
$12.320
Vyrian
AZTECH Wire
$8.370
$8.040
$7.880
$7.720
Continental Prestige Electronics
$12.074
Netroflash
$11.704
$11.458
Argo Parts USA
Kepictronics
High insulation resistance ensures safe and reliable operation, reducing the risk of electrical breakdown and malfunctions.
Having CSA and UL approvals indicates that the product meets stringent safety and performance standards, giving the user peace of mind.
Compatible with standard mains voltage, ensuring broad applicability in different regions.
Specifically designed to effectively filter out electromagnetic interference on a single-phase power supply, providing clean and stable power to connected devices.
Capable of operating at relatively high temperatures, making it suitable for demanding environments and applications.
Can function in low temperatures without issues, enabling use in a wide range of climatic conditions.
Compact width allows for space-efficient installation in a variety of equipment and systems.
Optimal length for streamlined integration and placement within electronic setups.
Low leakage current helps prevent energy wastage and ensures high efficiency of the filter.
Securely packed in a tray for safe storage, handling, and transport.
Chassis mounting allows for stable and secure attachment to equipment, reducing the risk of disconnection or damage.
Rated for a current of 2 A, suitable for various devices and systems requiring power filtration.
Compact height that contributes to the overall space-saving design of the product, ideal for installations with limited vertical clearance.
EMI Mains Filters MR-2021 attributes and parameters. Explore more EMI Mains Filters devices from KEMET Corporation
Approvals (V):
Filter Type:
Height:
Minimum Insulation Resistance:
Maximum Leakage Current:
Length:
Mounting Type:
Maximum Operating Temperature:
Minimum Operating Temperature:
Packing Method:
Rated Current:
Rated Voltage:
Width (mm):
KEMET Corporation is an American electronics company that specializes in the design, manufacturing, and distribution of capacitors, electromagnetic compatibility solutions, and other electronic components. The company was founded in 1919 and is headquartered in Fort Lauderdale, Florida, with manufacturing facilities and sales offices around the world. KEMET Corporation and its subsidiaries (KEMET), is a wholly owned subsidiary of Yageo Corporation (TAIEX: 2327).
CEO
William M. Lowe, Jr.
Executive VP & CFO
Gregory C. Thompson
Executive VP & President - TOKIN Corporation
Shigenori (Sean) Oyama
Advanced Tantalum Manufacturing
Fabrication
Fab Initiation
USA
Simpsonville
Wafer Capacity
382
FELCO
Chicago
Fort Lauderdale
61
Indonesia
Batam
68
China
Anting-Shanghai
73
Mexico
Matamoros
286
Ciudad Victoria
265
Guadalupe
Monterrey
532
San Nicolas
North Macedonia
Skopje
126
Plant A
Suzhou
353
Plant B
Xiamen
432
Italy
Pontecchio
226
Portugal
Evora
233
TOKIN
Vietnam
Biên Hòa City
174
Thailand
Hom Sin
Chachoengsao
171
Japan
Sendai
378
Toyama
Nyuzen
209
Shiroishi
Finland
Suomussalmi
56
Bulgaria
Kyustendil
86
Sweden
Farjestaden
28
LM107H/883
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
LL4148
Transys Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
EPCS4SI8N
Intel
EPCS4SI8N by Intel is a small outline flash memory with 512Kx8 organization, operating at 3.3V. It features a max clock frequency of 40MHz and endurance of 100k write/erase cycles. Ideal for industrial applications requiring configuration memory with serial interface and low standby current consumption.
BAV99
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z
Maxim Integrated
DS18B20Z by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Suitable for applications requiring precise temperature monitoring in compact spaces.
1N4148WS
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Bkc Semiconductors
DP83848IVVX/NOPB
National Semiconductor
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 48; Package Code: QFP; Package Shape: SQUARE;
1N4148
Terry Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V;
FDV303N
Onsemi
FDV303N by Onsemi is a N-CHANNEL FET with 25V DS Breakdown Voltage, 0.68A Drain Current, and 0.45 ohm On Resistance. Ideal for SWITCHING applications, it operates in ENHANCEMENT MODE at temperatures ranging from -55 to 150°C. Package style is SMALL OUTLINE with GULL WING terminals for surface mount assembly.
CRG0805F10K
Tyco Electronics Components
FIXED RESISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 125 Cel; Tolerance: 1 %;
2N7002,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): 30; Transistor Application: SWITCHING; Package Body Material: PLASTIC/EPOXY;
FDC5614P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.6 W; Transistor Application: SWITCHING; Maximum Drain Current (ID): 3 A;
Diotec Semiconductor Ag
1N4148WT
Changzhou Galaxy Century Microelectronics
RC0805FR-0710RL
Yageo
Yageo's RC0805FR-0710RL is a 10 ohm SMT fixed resistor with 1% tolerance and 0.125 W power dissipation. With a temperature range of -55 to 155 °C, it suits applications requiring precise resistance values in compact surface mount designs.
SMBJ18CA
Sangdest Microelectronics (Nanjing)
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
ERJ3GEY0R00V
Panasonic
ERJ3GEY0R00V by Panasonic is a SMT fixed resistor with 0 ohm resistance, suitable for jumper applications. It features a metal glaze/thick film technology, rated for temperatures b/w -55 to 155 °C. With a compact rectangular construction and matte tin over nickel terminal finish, it is ideal for surface mount installations in various electronic devices.
2N2222A
Allegro MicroSystems
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
PLA10AN2230R4D2B
Murata Manufacturing
Murata Manufacturing's PLA10AN2230R4D2B is a SINGLE PHASE EMI FILTER with 300V rated voltage, 0.4A current, and 100 Mohm insulation resistance. It operates b/w -25°C to 120°C, ideal for EMI mains filtering applications requiring through-hole mounting in compact spaces.
SC-02-20G
Tokin
SINGLE PHASE EMI FILTER; Rated Current: 2 A; Maximum Operating Temperature: 105 Cel; Diameter (mm): 17.5; Dimensions: D17.5XH14.0 (mm)/D0.689XH0.551 (inch); Height: 14 mm;
CMS1-11-R
Cooper Electronic Technologies
SINGLE PHASE EMI FILTER; Rated Current: 1.35 A; Width (mm): 7.2; Dimensions: L9.4XB7.2XH2.6 (mm); Maximum Operating Temperature: 160 Cel; Additional Features: INDUCTANCE 100 MICRO HENRY;
NAC-10-102
Cosel
NAC-10-102 by Cosel is a UL, CSA, and VDE approved SINGLE PHASE EMI filter with a rated voltage of 250V. It operates at temperatures ranging from -40 to 85 °C and has a max leakage current of 0.25 mA. This chassis mount filter is suitable for applications requiring up to 10A of rated current.
30DKCS5B
Delta Electronics
30DKCS5B by Delta Electronics is a single-phase EMI filter with a rated voltage of 250V and a max leakage current of 2mA. It is UL, CSA, and VDE approved and has a rated current of 30A. This panel mount filter is suitable for applications requiring EMI mains filtering.
CMS1-5-R
Eaton Corporation
Eaton Corporation's CMS1-5-R EMI Mains Filter is a single-phase filter with 4 terminals, UL approval, and rated current of 3.6A. With dimensions of L9.4xB7.2xH2.6 mm, it operates b/w -40°C to 160°C and is ideal for surface mount applications in electronic devices.
CMS1-12-R
SINGLE PHASE EMI FILTER; Rated Current: 1.15 A; Additional Features: INDUCTANCE 131 MICRO HENRY; Length: 9.4 mm; Width (mm): 7.2; Manufacturer Series: CMS;
NBH-30-681-D
The Cosel NBH-30-681-D is a single-phase EMI filter with a rated voltage of 250V. It has approvals from UL, CSA, VDE, and ENEC-10. With a max operating temperature of 85°C and a rated current of 30A, it is suitable for DIN rail mounting in various applications requiring effective EMI filtering.
6VS1
TE Connectivity
TE Connectivity's 6VS1 EMI Mains Filter is a single-phase filter with UL, CSA, and VDE approvals. It offers insertion loss of 15 dB at 0.15 MHz and 40 dB at 2 MHz. With a rated voltage of 250V, it is ideal for panel mount applications in electronics to reduce electromagnetic interference.
FMW-65-0003
Schurter Ag
Schurter Ag's FMW-65-0003 is a UL, IEC, VDE, ENEC-10 approved 440V three-phase EMI filter with 10A rated current. With a high pot of 3000V and max leakage current of 0.5mA, it operates b/w -25°C to 100°C. Ideal for panel mount applications due to its compact dimensions of L66.0xB51.0xH43.0mm.
SSR21NH-M30064
KEMET Corporation
KEMET Corporation's SSR21NH-M30064 is a UL approved EMI mains filter with 250V rated voltage and 3A current. It offers high insulation resistance of 100 Mohm, operates b/w -25°C to 120°C, and has dimensions of L23.0xB23.0xH14.5 mm. Ideal for applications requiring single-phase EMI filtering in through-hole mounting setups.
RN102-1-02-3M0
Schaffner Holding Ag
RN102-1-02-3M0 by Schaffner Holding Ag is a UL, IEC, VDE, ENEC-10 approved EMI mains filter with 300V rated voltage and 1A rated current. It operates b/w -40°C to 100°C, suitable for single-phase applications at 50/60Hz frequency. With dimensions of L14.0xB14.0xH9.0 mm, it is designed for through-hole mounting in various electronic systems.
RSHN-2006
Tdk-lambda
SINGLE PHASE EMI FILTER; Rated Current: 6 A; Operating Frequency (Hz): 60Hz; Rated Voltage: 250 V; Minimum Operating Temperature: -25 Cel; High Pot: 2500 V;
SS26V-070510
SINGLE PHASE EMI FILTER; Rated Current: .7 A; Operating Frequency (Hz): 50Hz; Minimum Operating Temperature: -25 Cel; Additional Features: INDUCTANCE 51 MILLI HENRY; Terminal Finish: NOT SPECIFIED;
NAC-16-472-D
The Cosel NAC-16-472-D is a UL, CSA, VDE, ENEC-10 approved single-phase EMI mains filter with 250V rated voltage and 16A rated current. It operates at temperatures from -40 to 85°C and features high pot of 2500V. Ideal for DIN rail mounting in applications requiring effective EMI filtering at 60Hz frequency.
74482210002
Wuerth Elektronik & Kg
Wurth Elektronik 74482210002 is a single-phase EMI filter with 4 terminals, rated for 250V and 10A. Operating b/w -40°C to 125°C, it's ideal for applications requiring EMI mains filtering at a frequency of 50Hz. Mountable through holes, its compact size of L18.5xB14.5xH22.0 (mm) makes it suitable for various electronic devices.
RN212-0.5-02-18M
RN212-0.5-02-18M by Schaffner Holding Ag is a SINGLE PHASE EMI FILTER with 300V rated voltage and 0.5A rated current. It operates b/w -40°C to 100°C, suitable for applications requiring EMI mains filtering. With UL, IEC, VDE, and ENEC-10 approvals, it's ideal for through-hole mounting in various electronic devices.
TF3435VU-300Y15R0-1H
TDK
TF3435VU-300Y15R0-1H by TDK is a 280V UL/CSA/IEC approved EMI mains filter with 15A rated current. Featuring single-phase filter type, it operates b/w -20°C to 120°C. Ideal for through-hole mounting, its compact D33XL22mm size makes it suitable for various electronic applications.
RSEL-2005M
SINGLE PHASE EMI FILTER; Rated Current: 5 A; Height: 30 mm; Maximum Leakage Current: 1 mA; Minimum Operating Temperature: -25 Cel; Rated Voltage: 250 V;
SN10-300J
KEMET Corporation's SN10-300J is a UL-approved SINGLE PHASE EMI FILTER with 3A rated current. Operating from -55°C to 105°C, it is ideal for EMI mains filtering applications. This filter, measuring 16mm x 23mm x 26mm, offers through-hole mounting in tray packaging.
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MR-2021
SINGLE PHASE EMI FILTER; Rated Current: 2 A; Maximum Leakage Current: .75 mA; Minimum Operating Temperature: -20 Cel; Height: 27 mm; Width (mm): 49;
MR-2032
SINGLE PHASE EMI FILTER; Rated Current: 3 A; Rated Voltage: 250 V; Minimum Operating Temperature: -25 Cel; Maximum Operating Temperature: 55 Cel; Height: 27 mm;
MR-2043
SINGLE PHASE EMI FILTER; Rated Current: 4 A; Width (mm): 40; Height: 27 mm; Rated Voltage: 250 V; Minimum Insulation Resistance: 300 Mohm;
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