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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NE521DR2 by Onsemi is a comparator with 2 functions, featuring a max input offset voltage of 10000 uV and a max average bias current of 40 uA. It operates at temperatures b/w 0-70 °C and has a response time of 9.6 ns. Ideal for applications requiring precise voltage comparisons in commercial-grade environments.
Median Price
$2.550
Lifecycle Status
Suppliers In-Stock
5
In-Stock Inventory
1k+
Rochester
1+ parts
-
100+ parts
1k+ parts
$2.280
10k+ parts
$2.140
Digiode
$2.688
Component Electronics Inc.
$3.850
$2.880
$2.500
Chip Stock
Vyrian
Ampacity Inc.
$2.410
Corphita
$2.547
Vigor
$2.710
Corohmni
$2.830
Component Stockers USA
$2.940
AZTECH Wire
$14.090
Microchip USA
SupplyDigital Components
Kulean Microsystems
Problanco Electronics
TANS Electronics
UHIMA Technologies
Continental Prestige Electronics
$2.400
The use of plastic/epoxy material makes the product lightweight and durable, ideal for portable and long-lasting applications.
The high maximum input offset voltage ensures accurate and precise measurements and comparisons between input signals.
The low bias current helps in reducing power consumption and improving the overall efficiency of the comparator.
The surface mount feature allows for easy and convenient installation on PCBs, making it suitable for compact and densely populated circuit designs.
The availability of two functions adds versatility to the comparator, allowing for multiple input signal comparisons within the same device.
The high maximum operating temperature range ensures reliable performance in various environmental conditions without the risk of overheating.
The fast response time enables quick signal comparison and processing, making the comparator suitable for time-critical applications.
The bipolar technology used in the comparator ensures stable and accurate operation, making it a dependable choice for precision measurements.
The gull wing terminal form provides reliable connections to the circuit board, enhancing the overall durability and longevity of the comparator.
Being a comparator, the product is specifically designed for comparing input signals and generating a digital output based on the comparison result, making it a perfect fit for such applications.
Comparators NE521DR2 attributes and parameters. Explore more Comparators devices from Onsemi
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NE521DR2 Amplifiers trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Obsolescence/ EOL - Multiple Devices 11/Feb/2009
Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).
President, CEO
Hassane El-Khoury
Executive VP, CFO, Treasurer
Thad Trent
Senior VP
Ross F. Jatou
Aizu Fab
Fabrication
Fab Initiation
1995
Japan
Aizu Wakamatsu
Wafer Capacity
52,000
Si/EPI Fab
2018
Czech Republic
Rožnov pod Radhoštěm
10,000
Expansion Phase 1 for SiC / EPI
2019
14,500
Expansion Phase 2 for SiC / EPI
2024
SiC Fab
2022
USA
Hudson
Bucheon
2013
South Korea
61,000
ISMF - Malaysia
1990
Malaysia
Seremban
95,000
Roznov Device Fab
1987
80,000
Fab 10
2002
East Fishkill
15,000
Burlington
1986
Canada
Gresham
1998
45,000
Bucheon 150mm
2000
50,000
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
BAV99
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SZNUP2105LT1G
Onsemi
SZNUP2105LT1G by Onsemi is a Transient Suppression Device with 2 elements in a common anode configuration. It has a max non-repetitive peak reverse power dissipation of 350W and breakdown voltage of 29.1V. Ideal for applications requiring bidirectional polarity protection, such as automotive electronics and industrial equipment due to its AEC-Q101 compliance and high clamping voltage of 44V.
ATMEGA328P-AU
Microchip Technology
ATMEGA328P-AU by Microchip: 8-bit RISC CPU, 20 MHz clock, 23 I/O lines. Ideal for industrial applications with SPI, TWI, USART connectivity and low power mode. Features include 2048 RAM bytes, 1024 EEPROM size, and 16384 ROM words.
LIS3DHTR
STMicroelectronics
LIS3DHTR by STMicroelectronics is a 16-terminal accelerometer with output range of 0.18-1.62V, ideal for motion sensing applications. Operating temperature ranges from -40 to 85°C, making it suitable for various environments. With a compact square package body of 3x3mm and digital voltage output type, it is commonly used in surface mount designs.
1N4148
Toshiba
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
M39029/58-360
Conesys
CONNECTOR ACCESSORY; MIL Conformity: YES; Mating Contacts: M39029/57-354; Terminal Type: CRIMP; DIN Conformity: NO; MIL-Connector Accessory Name: CONTACT;
Won-top Electronics
1N4148WT
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel;
LM555CMX
Texas Instruments
LM555CMX by Texas Instruments is an Analog Waveform Generation IC with 8 terminals. It operates at a nominal voltage of 5V and supports power supplies ranging from 5V to 15V. This versatile IC, housed in a small outline package, is commonly used for pulse and rectangular waveform generation in commercial temperature environments.
Diotec Semiconductor Ag
Surge Components
2N2222A
New England Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM317T
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-PSFM-T3; Adjustability: ADJUSTABLE; Package Equivalence Code: SIP3,.1TB;
LAN8720AI-CP-TR
LAN8720AI-CP-TR by Microchip is an Ethernet transceiver with 100 Mbps data rate, operating at -40 to 85 °C. It features a 3.3 V supply voltage, 54 mA supply current, and TS 16949 screening level. Ideal for network interfaces in industrial applications due to its compact square package and low profile design.
Sensitron Semiconductor
Sangdest Microelectronics (Nanjing)
SMBJ18CA
Littelfuse
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Micronas Semiconductor Holding Ag
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Output Current: .2 A; Maximum Forward Voltage (VF): 1.2 V;
Vishay Semiconductors
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Style (Meter): SMALL OUTLINE; Package Shape: RECTANGULAR; Transistor Application: SWITCHING;
LM211QDREP
LM211QDREP by Texas Instruments is a comparator with 3000uV max input offset voltage, 0.15uA max average bias current, and 115ns nominal response time. Ideal for automotive applications due to its -40 to 125 °C operating temperature range and open-collector output type. Suitable for surface mount designs with small outline package style.
LM139J/883C
National Semiconductor
LM139J/883C by National Semiconductor is a MIL-STD-883 screened comparator with 4 functions. It features a max input offset voltage of 9000uV, average bias current of 0.3uA, and open-collector output type. Widely used in military applications due to its bipolar technology and operating temperature range of -55 to 125 °C.
LM2903NG
LM2903NG by Onsemi is a dual comparator with 15000uV max input offset voltage and 0.5uA max average bias current. Widely used in industrial applications, it operates b/w -40 to 105 °C, with open-collector output type and 2.5mA max supply current.
LT1714CGN#PBF
Analog Devices
LT1714CGN#PBF by Analog Devices is a comparator with 4000uV max input offset voltage, 5uA max average bias current, and 8.5ns nominal response time. Ideal for applications requiring fast response times and precise voltage comparisons in commercial temperature environments.
LT1719CS8#PBF
LT1719CS8#PBF by Analog Devices is a comparator with 3500uV max input offset voltage and 0uA max average bias current. It operates at -6V to 6V, has a response time of 7ns, and is ideal for commercial applications requiring fast signal comparison in a small outline package.
MAX961ESA+T
Maxim Integrated
COMPARATOR; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
TLV3201AIDCK
TLV3201AIDCK by Texas Instruments is a comparator with 6000uV max input offset voltage, 0.005uA max average bias current, and 47ns nominal response time. Ideal for automotive applications due to its push-pull output type and -40 to 125 °C operating temperature range.
LM393P
Bay Linear
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM311N
Advanced Micro Devices
LM239DRG3
LM239DRG3 by Texas Instruments is a comparator with 4 functions, operating at a supply voltage of 5V. It features a max input offset voltage of 5000uV and a max bias current of 0.4uA. This device is ideal for applications requiring precise voltage comparisons in compact electronic systems.
LM339N
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 14; Package Code: DIP; Package Shape: RECTANGULAR;
LMV761MF
COMPARATOR; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: LSSOP; Package Shape: RECTANGULAR;
LM2903AVQDRQ1
LM2903AVQDRQ1 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 -0.5 uA. Ideal for automotive applications due to AEC-Q100 screening level, it operates b/w -40 to 125 °C with a supply voltage range of 5/32 V.
LM2901PWR
ROHM
COMPARATOR; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: TSSOP; Package Shape: RECTANGULAR;
MAX961ESA-T
MAX961ESA-T by Maxim Integrated is a comparator with 2000uV max input offset voltage, 15uA max average bias current, and 3/5V power supplies. Ideal for industrial applications requiring fast response time of 4.5ns in a small outline package.
LM397MF/NOPB
COMPARATOR; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 5; Package Code: LSSOP; Package Shape: RECTANGULAR;
LM393DR2
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM393AD-T
NXP Semiconductors
LM393AD-T by NXP Semiconductors is a comparator with 2 functions, featuring a max input offset voltage of 4000 uV and a max average bias current of 0.4 uA. This small outline package is ideal for applications requiring open-collector output type, with a nominal response time of 1300 ns and operating temperature range from 0 to 70 °C.
LM311N by Texas Instruments is a comparator with 10000 uV max input offset voltage, 0.3 uA max average bias current, and 200 ns nominal response time. Widely used in applications requiring precise voltage comparisons due to its open-collector output type and bipolar technology.
TLV7011DCKR
TLV7011DCKR by Texas Instruments is a comparator with 8000uV max input offset voltage, 0.000005uA max average bias current, and 310ns nominal response time. Ideal for automotive applications due to its small size, low power consumption (0.01mA max supply current), and wide temperature range (-40 to 125 °C).
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NE521DR2G
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR;
NE529A
NE529K
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 10; Package Shape: ROUND; Terminal Position: BOTTOM;
NE522N
NE521D
NE522D
NE521NG
NE521N
NE522DR2
NE521DG
NE527D
NE527D-T
NE527F
NE521D-T
NE522D-T
Rochester Electronics
Supply Digital Components
$106.00
$54.25
$11.90
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12,000 In-Stock
Total price ≈ $80,197.29
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