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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FIXED RESISTOR; Mounting Type: SURFACE MOUNT; Resistance: 4990 ohm; Rated Power Dissipation (P): .25 W; Maximum Operating Temperature: 155 Cel; Tolerance: .1 %;
Median Price
$0.241
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
Farnell
1+ parts
-
100+ parts
$0.177
1k+ parts
$0.099
10k+ parts
$0.080
TTI Europe
Element14
$0.289
$0.176
$0.136
Newark
$0.163
Fixed Resistors RS73F2ATTD4991B attributes and parameters. Explore more Fixed Resistors devices from Koa Speer Electronics
Additional Features:
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RS73F2ATTD4991B Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.21.00.30
SB
8533.21.00.45
Whether you're designing the car of tomorrow or connecting the Internet of Things, you need cutting-edge product solutions to bring your design to fruition. At KOA Speer, we're the ideal partner to help you do just that. Our constantly expanding line of passive components will give you the solution to make your concept a reality! More than just Resistors - yes we're the world leader in thick film resistors, but our product line is broad and growing every day, including: Shunt/Current Sense Resistors Wide Terminal Resistors High Voltage Resistors Thin Film Chip Resistors Surge Resistors New Passive Component Solutions - our engineering group will work with your design team to develop the passive component solution you need. Many of the hundreds of new products we've introduced in recent years are the result of such collaboration.
M24308/2-1F
Itt Cannon
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Filter Feature: NO;
DS18B20Z/T&R
Maxim Integrated
DS18B20Z/T&R by Maxim Integrated is a 12-bit digital temperature sensor with a max supply voltage of 5.5V and an accuracy of 0.50°C. It features a 1-Wire interface, operates b/w -55°C to 125°C, and is ideal for applications requiring precise temperature monitoring in compact spaces.
LL4148
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Maximum Non Repetitive Peak Forward Current: 2 A; Maximum Reverse Recovery Time: .004 us; No. of Phases: 1; Maximum Operating Temperature: 175 Cel;
BAV99
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Zetex Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148WS
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C1210C104K5RACTU
KEMET Corporation
KEMET C1210C104K5RACTU is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics and ±10% tolerance, suitable for surface mount applications in a wide temperature range from -55°C to 125°C. Its compact rectangular package makes it ideal for various electronic devices.
Surge Components
LM358M
Raytheon Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
2N7002DWH6327XTSA1
Infineon Technologies
2N7002DWH6327XTSA1 by Infineon: N-CHANNEL FET with 60V DS Breakdown Voltage, 0.3A ID, and 3ohm RDS. Ideal for SWITCHING applications in small outline packages with GULL WING terminals.
ULN2803A
Sanken Electric
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; JESD-30 Code: R-PDIP-T18; Package Body Material: PLASTIC/EPOXY;
Panjit International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N7002
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Qualification: Not Qualified;
BSS138
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Feedback Capacitance (Crss): 10 pF; JEDEC-95 Code: TO-236AB;
M85049/85-08W02
Glenair
CONNECTOR ACCESSORY; MIL Conformity: YES; Material: ALUMINIUM ALLOY; Associated Backshell Military - Specifications: MIL-DTL-38999; Shell Sizes: 08; DIN Conformity: NO;
TDK
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); No. of Phases: 1; No. of Elements: 1; Maximum Output Current: .2 A;
Calogic
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): NOT SPECIFIED; Terminal Position: DUAL;
Taiwan Semiconductor
LM555CN
Rochester Electronics
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Shape: RECTANGULAR; Surface Mount: NO; No. of Functions: 1;
ERJU03F1002V
Panasonic
Panasonic ERJU03F1002V is a SMT fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for automotive applications due to AEC-Q200 standard compliance and operating voltage of 75 V. METAL GLAZE/THICK FILM technology ensures reliability in temperatures ranging from -55 to 155 °C.
CRCW08051R00FKEA
Vishay Intertechnology
Vishay Intertechnology's CRCW08051R00FKEA is a 1 ohm fixed resistor with 1% tolerance, suitable for surface mount applications. With a max operating temperature of 155°C and AEC-Q200 standard compliance, it offers reliable performance in various electronic circuits requiring precise resistance values. The metal glaze/thick film technology and compact 0805 size make it ideal for automotive, industrial, and consumer electronics.
CRCW08052K00FKEAC
Vishay Intertechnology's CRCW08052K00FKEAC is a SMT fixed resistor with 2000 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in electronics, it operates b/w -55 to 155 °C with a temperature coefficient of 100 ppm/°C.
CRCW08054K70FKEA
Vishay Intertechnology's CRCW08054K70FKEA is a fixed resistor with 4700 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 reference standard compliance and operating voltage of 150 V.
MP915-25.0-1%
Caddock Electronics
MP915-25.0-1% by Caddock Electronics is a 25 ohm fixed resistor with 1% tolerance and 15W power dissipation. Ideal for applications requiring precise resistance values, it operates b/w -55 to 150 °C and has a max voltage of 200V. Its metal glaze/thick film technology ensures reliable performance in various electronic circuits.
RC0603FR-07120RL
Yageo
Yageo's RC0603FR-07120RL is a 120 ohm fixed resistor with 1% tolerance. It operates b/w -55 to 155 °C and has a power dissipation of 0.1 W. Ideal for surface mount applications in electronics requiring precise resistance values.
RC0402FR-0710KP
Yageo's RC0402FR-0710KP is a 10000 ohm fixed resistor with 1% tolerance, suitable for surface mount applications. With a rated power dissipation of 0.0625 W and operating voltage of 50 V, it operates b/w -55 to 155 °C. Its metal glaze/thick film technology makes it ideal for compact electronic devices.
CRCW0603220RFKEAHP
Vishay Intertechnology's CRCW0603220RFKEAHP is a fixed resistor with 220 ohm resistance, 1% tolerance, and 0.33 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance and operating voltage of 75 V. With a temperature coefficient of 100 ppm/°C, it operates b/w -55 °C to 155 °C efficiently.
CRCW060349K9FKEAC
Vishay Intertechnology's CRCW060349K9FKEAC is a fixed resistor with 49900 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in electronics due to its compact SMT package style and high operating voltage of 75 V. With a temperature coefficient of 100 ppm/°C, it can operate b/w -55 °C to 155 °C efficiently.
CRCW04023K30FKED
Vishay Intertechnology's CRCW04023K30FKED is a fixed resistor with 3300 ohm resistance, 1% tolerance, and 0.063 W power dissipation. Ideal for surface mount applications in automotive electronics due to its AEC-Q200 reference standard and operating temperature range of -55 to 155 °C.
RT0805FRE0710RL
Yageo's RT0805FRE0710RL is a thin film fixed resistor with 10 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in electronics, it operates b/w -55 to 155 °C with a temperature coefficient of 50 ppm/°C.
RC0603FR-078K2L
Yageo's RC0603FR-078K2L is a 8200 ohm, 1% tolerance fixed resistor with METAL GLAZE/THICK FILM tech. Operating b/w -55 to 155 °C, it's ideal for SMT applications requiring 0.1 W power dissipation and 75 V voltage rating.
WR04X1002FTL
Walsin Technology
WR04X1002FTL by Walsin Technology is a 0402 size SMT fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.0625 W power dissipation. Ideal for surface mount applications in electronics due to its temperature range of -55 to 155 °C and matte tin finish.
CRCW0402100KFKTDBC
Vishay Intertechnology's CRCW0402100KFKTDBC is a fixed resistor with 100000 ohm resistance, 1% tolerance, and 0.063 W power dissipation. It operates b/w -55 to 155 °C and is ideal for surface mount applications in various electronic circuits requiring precise resistance values.
5WD22
Nte Electronics
The Nte Electronics 5WD22 is a wirewound fixed resistor with a resistance of 0.22 ohm and power dissipation of 5W. It features a diameter of 0.8mm, operating voltage of 200V, and temperature coefficient of 300 ppm/°C. Ideal for applications requiring precise resistance values in electronic circuits.
2-2176216-7
TE Connectivity
TE Connectivity's 2-2176216-7 is a thin film fixed resistor with 1000 ohm resistance, 0.1% tolerance, and 0.063 W power dissipation. Ideal for surface mount applications, this rectangular package resistor features wraparound terminals and a temperature coefficient of 25 ppm/°C.
PCF0805R-68KBT1
Tt Electronics Plc
PCF0805R-68KBT1 by Tt Electronics Plc is a 68000 ohm fixed resistor with 0.1% tolerance. It operates b/w -55 to 125 °C and has a rated power dissipation of 0.1 W. Ideal for surface mount applications in various electronic circuits requiring precise resistance values.
CRCW040247K0FKEDHP
Vishay Intertechnology's CRCW040247K0FKEDHP is a fixed resistor with 47000 ohm resistance, 1% tolerance, and 0.2 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance and operating temperature range of -55 to 155 °C.
CR0402-FX-1002GLF
Bourns
Bourns CR0402-FX-1002GLF is a SMT fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.063 W power dissipation. Ideal for applications requiring a temperature range of -55 to 155 °C, such as consumer electronics and industrial equipment due to its compact size and high reliability.
CRCW06031R00FKEAC
Vishay Intertechnology's CRCW06031R00FKEAC is a fixed resistor with 1 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in electronics, it operates b/w -55 to 155 °C with a temperature coefficient of 100 ppm/°C.
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