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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
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PLTT0805Z4991QGT5
Vishay Intertechnology
Vishay Intertechnology's PLTT0805Z4991QGT5 is a thin film fixed resistor with 4990 ohm resistance, 0.02% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in electronics requiring precise resistance values and high operating temperatures up to 215°C.
FLAME PROOF, PRECISION
Rectangular
e4
SURFACE MOUNT
2
215 Cel
-55 Cel
.381 mm
2.032 mm
SMT
1.27 mm
TR
.25 W
70 Cel
4990 ohm
FIXED RESISTOR
0805
THIN FILM
5
Gold (Au) - with Nickel (Ni) barrier
WRAPAROUND
.02 %
100 V
RNC55H4991FSR3665
Vishay Intertechnology's RNC55H4991FSR3665 is a 4990 ohm fixed resistor with 1% tolerance and 0.1 W power dissipation. With a temperature coefficient of 50 ppm/°C, it operates b/w -65 to 175 °C, making it ideal for military applications meeting MIL-PRF-55182 standards. The axial package style and through hole mount technology ensure reliable performance in various electronic circuits.
PRECISION
Tubular
e0
.64 mm
THROUGH HOLE MOUNT
175 Cel
-65 Cel
2.39 mm
6.35 mm
Axial
TR, 11.5 INCH
.1 W
125 Cel
MIL-PRF-55182
METAL FILM
50
Tin/Lead (Sn/Pb)
WIRE
1 %
200 V
RLR07C4991FSB14
Vishay Intertechnology's RLR07C4991FSB14 is a 4990 ohm fixed resistor with 1% tolerance, suitable for through-hole mounting. With a rated power dissipation of 0.25 W and operating voltage of 250 V, it operates b/w -65 to 150 °C. Ideal for applications requiring precise resistance values in military-grade equipment meeting MIL-PRF-39017 standards.
38.1 mm
150 Cel
2.29 mm
BULK
MIL-PRF-39017
100
250 V
RNC55H4991FSR36
Vishay Intertechnology's RNC55H4991FSR36 is a 4990 ohm fixed resistor with 1% tolerance and 0.1 W power dissipation. With a temperature coefficient of 50 ppm/°C, it operates b/w -65 to 175 °C making it ideal for military applications meeting MIL-PRF-55182 standards. The axial package style and through hole mount technology ensure reliable performance in various electronic circuits.
TIN LEAD
RC0603F4991CS
Samsung Electro-mechanics
Samsung Electro-mechanics' RC0603F4991CS is a fixed resistor with 4990 ohm resistance, 1% tolerance, and 0.05 W power dissipation. It is ideal for surface mount applications in electronics requiring a temperature range of -55 to 125 °C and operating voltage up to 25 V.
e3
.23 mm
.6 mm
RECTANGULAR PACKAGE
.3 mm
TR, Paper, 7 Inch
.05 W
0201
METAL GLAZE/THICK FILM
250
TIN OVER NICKEL
25 V
RC1005F4991CS
Samsung Electro-mechanics' RC1005F4991CS is a fixed resistor with 4990 ohm resistance, 1% tolerance, and 0.0625 W power dissipation. Ideal for surface mount applications in electronics due to its compact rectangular package and operating voltage of 50 V. With a temperature coefficient of 100 ppm/°C, it can operate b/w -55 °C to 155 °C efficiently.
155 Cel
.35 mm
1 mm
.5 mm
.0625 W
0402
Matte Tin (Sn) - with Nickel (Ni) barrier
50 V
M55342K12B4B99RT0
Vishay Intertechnology's M55342K12B4B99RT0 is a thin film fixed resistor with 4990 ohm resistance, 0.1% tolerance, and 100 ppm/°C temperature coefficient. Ideal for surface mount applications in military-grade equipment due to its MIL-PRF-55342 reference standard compliance and operating voltage of 50 V.
NON-INDUCTIVE
.8382 mm
1.6256 mm
.8128 mm
MIL-PRF-55342
0603
Tin/Lead (Sn60Pb40) - with Nickel (Ni) barrier
.1 %
M55342K12B4E99RWSV
Vishay Intertechnology's M55342K12B4E99RWSV is a thin film fixed resistor with 4990 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -65 to 150 °C and has a temperature coefficient of 100 ppm/°C. Ideal for military applications requiring high precision resistors in compact SMT packages.
Waffle Pack
M55342K02B4B99RT5
Vishay Intertechnology's M55342K02B4B99RT5 is a thin film fixed resistor with 4990 ohm resistance, 0.1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in military-grade equipment due to its MIL-PRF-55342 reference standard compliance and operating voltage of 40 V.
1.397 mm
.125 W
0505
40 V
MBB02070C4991DC100
Vishay Intertechnology's MBB02070C4991DC100 is a 4990 ohm fixed resistor with 0.5% tolerance and 0.4 W power dissipation. Featuring metal film technology, it operates b/w -55 to 125 °C and has a temperature coefficient of 50 ppm/°C. Ideal for through hole mounting in applications requiring precise resistance values at temperatures up to 70 °C.
RATED AC VOLATGE: 350V (AC)
28 mm
2.5 mm
6.5 mm
AMMO PACK
.4 W
TIN
.5 %
350 V
M55342H11B4E99RT5
Vishay Intertechnology's M55342H11B4E99RT5 is a thin film fixed resistor with 4990 ohm resistance, 1% tolerance, and 30 V operating voltage. Ideal for surface mount applications in military-grade equipment due to its MIL-PRF-55342 reference standard compliance and wide temperature range from -65°C to 150°C.
1.016 mm
.5588 mm
30 V
M55342H11B4E99RWS
Vishay Intertechnology's M55342H11B4E99RWS is a thin film fixed resistor with 4990 ohm resistance, 1% tolerance, and 30 V operating voltage. Ideal for surface mount applications in military-grade equipment due to its MIL-PRF-55342 reference standard compliance and wide temperature range from -65°C to 150°C.
RNC50H4991FSB14
Vishay Intertechnology's RNC50H4991FSB14 is a 4990 ohm, 1% tolerance fixed resistor with metal film technology. Operating voltage of 200 V and rated power dissipation of 0.05 W make it suitable for through hole mounting in various applications. With a temperature coefficient of 50 ppm/°C, it meets MIL-PRF-55182 standards.
.41 mm
31.75 mm
1.78 mm
3.81 mm
MCR100JZHF4991
ROHM
ROHM's MCR100JZHF4991 is a 4990 ohm fixed resistor with 1% tolerance and 1W power dissipation. It operates b/w -55 to 125 °C, making it suitable for various applications requiring precise resistance values in surface mount technology. The metal glaze/thick film technology ensures stable performance in a compact rectangular package.
.55 mm
6.3 mm
3.2 mm
TR, Embossed, 7 Inch
1 W
2512
Tin (Sn) - with Nickel (Ni) barrier
MCR10EZHF4991
ROHM's MCR10EZHF4991 is a chip fixed resistor with 4990 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for SMT applications, it operates b/w -55 to 155 °C and has a temperature coefficient of 100 ppm/°C.
Chip
2 mm
1.25 mm
TR, PAPER, 7 INCH
Fixed Resistors
150 V
MCR03EZPFX4991
ROHM's MCR03EZPFX4991 is a fixed resistor with 4990 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in electronics due to its compact rectangular package and high operating temperature range of -55 to 155 °C.
.45 mm
1.6 mm
.8 mm
RN731JTTD4991B25
Koa Speer Electronics
RN731JTTD4991B25 by Koa Speer Electronics is a thin film fixed resistor with 4990 ohm resistance, 0.1% tolerance, and 155 °C max operating temp. Ideal for SMT applications due to its surface mount package style and wraparound terminal shape.
TR, PUNCHED PAPER, 7 INCH
.063 W
25
MATTE TIN OVER NICKEL
75 V
RNC55H4991FSB14
Vishay Intertechnology's RNC55H4991FSB14 is a 4990 ohm, 1% tolerance fixed resistor with metal film technology. Operating voltage of 200 V and rated power dissipation of 0.1 W make it suitable for military applications meeting MIL-PRF-55182 standards. With a temperature coefficient of 50 ppm/°C, it can operate in temperatures ranging from -65 to 175 °C.
RNC55H4991FSBSL
Vishay Intertechnology's RNC55H4991FSBSL is a 4990 ohm, 1% tolerance fixed resistor with metal film technology. Operating voltage of 200 V and rated power dissipation of 0.1 W make it suitable for through hole mounting in various applications. With a temperature coefficient of 50 ppm/°C, it meets MIL-PRF-55182 standards for reliable performance.
RWR71S4991FRS73
Vishay Intertechnology's RWR71S4991FRS73 is a 2W fixed resistor with 4990 ohm resistance and 1% tolerance. With wire wound technology, it operates b/w -55 to 250 °C and has a temperature coefficient of 20 ppm/°C. Ideal for military applications meeting MIL-PRF-39007 standard, this axial package resistor is designed for through hole mounting.
.813 mm
250 Cel
4.75 mm
20.62 mm
2 W
25 Cel
MIL-PRF-39007
WIRE WOUND
20
Tin/Lead (Sn60Pb40)
99.8999 V
CPF-A-0402B4K99E1
TE Connectivity
TE Connectivity's CPF-A-0402B4K99E1 is a thin film fixed resistor with a resistance of 4990 ohm and a tolerance of 0.1%. It is commonly used in surface mount applications, has a rated temperature range of -55 to 155 °C, and meets the AEC-Q200 standard.
1mm x .5mm x .3mm
AEC-Q200
AT1206BRD074K99L
Yageo
Yageo's AT1206BRD074K99L is a thin film fixed resistor with 4990 ohm resistance, 0.1% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance and operating voltage of 200 V.
ANTI-SULFUR, HIGH PRECISION
3.1 mm
1206
RNC55H4991FSRE5
Vishay Intertechnology's RNC55H4991FSRE5 is a metal film fixed resistor with 4990 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -65 to 175 °C and has a temperature coefficient of 50 ppm/°C. Ideal for through hole mounting applications in various electronic circuits.
MBB02070C4991DRP00
MBB02070C4991DRP00 by Vishay Intertechnology is a METAL FILM fixed resistor with 4990 ohm resistance, 0.5% tolerance, and 0.4 W power dissipation. Ideal for THROUGH HOLE MOUNT applications in electronics requiring precise resistance values and high temperature stability up to 125 °C.
RP73PF1E4K99BTDF
TE Connectivity's RP73PF1E4K99BTDF is a thin film fixed resistor with 4990 ohm resistance, 0.1% tolerance, and 0.1W power dissipation. Ideal for surface mount applications in electronics due to its compact rectangular package and high operating temperature range of -55 to 155 °C.
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