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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COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR;
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Comparators NE521D attributes and parameters. Explore more Comparators devices from Rochester Electronics
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NE521D Amplifiers trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Obsolescence/ EOL - DK OBS NOTICE
For over 40 years Rochester's growing supplier authorizations enable us to provide the world's largest source of semiconductors. In partnership with over 70 leading component manufacturers, we provide our valued customers with a continuous source of critical semiconductors. Today the Rochester Semiconductor Lifecycle Solution™ offers the world’s largest range of semiconductors with over 15 billion finished devices in stock, combined with extensive manufacturing capabilities from the world's largest die bank at over 12 Billion. Rochester’s growing product and service portfolio continues to provide an authorized source of supply to customers around the world directly, in partnership with our authorized distribution network and through leading-edge e-commerce platforms.
1N4148
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
CRGCQ0805F10R
TE Connectivity
TE Connectivity's CRGCQ0805F10R is a 10 ohm fixed resistor with 1% tolerance and 400 ppm/°C temperature coefficient. It is a surface mount thick film resistor in an 0805 package, suitable for applications requiring precise resistance values in compact electronic circuits.
Semitronics
M39029/58360
Souriau
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-38999; Tool Settings: M22520/2-09; Terminal Type: CRIMP; MIL Conformity: YES; Mating Contacts: M39029/56348;
BAV99
National Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Weitron Technology
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
MBR0520L-T1
Won-top Electronics
MBR0520L-T1 by Won-top Electronics is a Schottky rectifier diode with 20V peak reverse voltage and 0.5A output current. It is a single-config, surface-mount diode in a small outline package, suitable for applications requiring high-speed switching and low forward voltage drop. Operating temperature range from -65°C to 125°C makes it ideal for various electronic circuits.
MURS160T3G
Onsemi
MURS160T3G by Onsemi is a single rectifier diode with a max output current of 2A and max repetitive peak reverse voltage of 600V. It has a fast recovery time of 0.075us, making it suitable for high voltage applications. The diode operates in temperatures ranging from -65 to 175°C, ideal for power systems requiring ultra-fast response.
2N2222A
Ksl Microdevices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
Shandong Yiguang Electronic Joint Stock
ABS06-32.768KHZ-T
Abracon
Abracon's ABS06-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 90000 ohm series resistance, and -40 to 85 °C operating temperature range. Ideal for applications requiring precise timing in compact designs like IoT devices and wearables.
LM358N
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
SS14
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CMX
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
1N4148WS
Cheng-yi Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3 ohm; Minimum DS Breakdown Voltage: 50 V; Terminal Form: GULL WING;
Micropac Industries
BSS138W-7-F
Diodes Incorporated
Diodes Inc.'s BSS138W-7-F is a N-channel FET with 50V DS breakdown voltage, ideal for switching applications. It features single configuration with built-in diode, Gull Wing terminals, and operates in enhancement mode. With 0.2A max drain current and 3.5 ohm RDS(on), it's UL recognized and suitable for small outline packages at temperatures ranging from -55 to 150°C.
MAX999EUK+T
Analog Devices
MAX999EUK+T by Analog Devices is a CMOS COMPARATOR with 4500uV Max Input Offset Voltage, 30uA Max Average Bias Current, and 3/5V Power Supplies. It's used in industrial applications for fast response time of 4.5ns, operating b/w -40 to 85°C, and featuring a small outline package with surface mount capability.
LT6703HVHS5-3#TRPBF
LT6703HVHS5-3#TRPBF by Analog Devices is a comparator with 5 terminals, Vsup of 5V, and IIB of 0.01uA. It operates in automotive applications at temperatures ranging from -40 to 125 °C, featuring an open-collector output type for precise voltage comparisons.
LT1711IMS8#PBF
Linear Technology
COMPARATOR; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE;
LM293DRG4
Texas Instruments
LM293DRG4 by Texas Instruments is a bipolar technology comparator with a max input offset voltage of 9000 uV. It operates at a nominal voltage of 5V and has an open-collector output type. This small outline package is commonly used in applications requiring fast response times and low bias current.
LM293DMR2G
LM293DMR2G by Onsemi is a comparator with 9000uV max input offset voltage and 0.4uA max average bias current. It operates at -25 to 85 °C, has open-collector output type, and requires 5V nominal voltage. Ideal for applications requiring precise voltage comparison in compact designs.
LM339AD
Samsung
LMV393MMX/NOPB
LMV393MMX/NOPB by Texas Instruments is a comparator with 2 functions, featuring a max input offset voltage of 7000 uV and a max average bias current of 0.25 uA. It operates at temperatures ranging from -40 to 85 °C and is ideal for industrial applications requiring fast response times.
TL331IDBVT
TL331IDBVT by Texas Instruments is a comparator with a max input offset voltage of 9000uV and max average bias current of -0.4uA. It operates at a nominal voltage of 5V, suitable for industrial applications requiring precise signal comparison in compact designs. With a small outline package style and open-collector output type, it offers fast response time of 1300ns for efficient performance.
LM393N
Philips Semiconductors
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Motorola
LT6700CS6-3#TRPBF
LT6700CS6-3#TRPBF by Analog Devices is a comparator with 2 functions, open-collector output type, and 0.015 uA max average bias current. It operates b/w 0 to 70 °C and has a response time of 29000 ns. Ideal for applications requiring precise voltage comparisons in commercial-grade environments.
TL331IDBVRE4
TL331IDBVRE4 by Texas Instruments is a comparator with a max input offset voltage of 9000 uV and a max average bias current of -0.4 uA. It is used in industrial applications where precise voltage comparisons are required.
LMV7219M7X/NOPB
LMV7219M7X/NOPB by Texas Instruments is a 5-terminal comparator with a response time of 12 ns. It operates at temperatures ranging from -40 to 85 °C and has a max supply voltage limit of 5.5 V. Ideal for industrial applications requiring fast response times in compact spaces.
LM339AN
Intersil
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 14; Package Code: DIP; Package Shape: RECTANGULAR;
LM2903D-T
LM2903D-T by NXP Semiconductors is a dual comparator with open-collector output. It operates in automotive-grade temperature range (-40 to 125 °C) and has a fast response time of 1300 ns. With a max supply voltage of 32 V, it is ideal for applications requiring precise voltage comparisons in compact designs.
LM311D
LM239D
COMPARATOR; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR;
LM311NG
LM311NG by Onsemi is a comparator with a max input offset voltage of 10000 uV and max average bias current of 0.3 uA. It operates on a nominal voltage of 15 V and has an open-collector output type. This device is commonly used in applications requiring fast response times and precise voltage comparisons.
LM393APWR
LM393APWR by Texas Instruments is a comparator with 2 functions, operating at 5V. It features a max input offset voltage of 4000uV and a max bias current of 0.4uA. Ideal for applications requiring open-collector output type and fast response time of 1300ns in commercial temperature grade environments.
LM393N/NOPB
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