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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2ST2121 by STMicroelectronics is a PNP power BJT designed for switching applications. It features a max power dissipation of 250W, operates up to 200 °C, and supports collector-emitter voltages of 250V. Ideal for high-performance electronic circuits.
Median Price
-
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Anansix
Digiode
Zilex Electronics Inc.
IDEA Electronic Components Group
$0.611
$0.550
MKK Technologies
$1.149
DigiPath Technology Company
AZTECH Wire
$21.870
Native Components
$68.796
$66.044
Northwest PG Solutions
$75.676
Component Stockers USA
$99.990
Alle Elektronik GmbH
Corphita
Parana Technologies
$0.730
The metal body material provides excellent thermal conductivity and durability, ensuring reliable performance under high-stress conditions.
The PNP configuration allows for effective switching applications in various circuits, making it versatile for different electronic designs.
The single configuration makes it easy to integrate into circuits without added complexity, ideal for space-constrained designs.
Designed specifically for switching, this transistor excels in fast operations, making it suitable for applications like motor controls and power supplies.
The round package shape facilitates easy mounting and integration into various PCB layouts, enhancing design flexibility.
The PIN/PEG terminal form ensures secure and reliable connections, reducing the risk of failure during operation.
Having only two terminals simplifies the circuit design and integration, making it cost-effective and easier to work with.
With a high power dissipation limit, this transistor can handle significant power loads, making it suitable for high-performance applications.
Flange mount design provides a stable and secure installation, ensuring reliability in demanding environments.
A minimum gain of 35 ensures adequate amplification, making it effective for diverse electronic circuit applications.
Capable of operating at high temperatures, this transistor can function reliably in harsh conditions, extending the range of applications.
A high collector-emitter voltage rating provides robustness, allowing it to be used in high-voltage applications without risk of breakdown.
Silicon material enhances performance, ensuring reliability and efficiency in various electronic applications.
The ability to handle up to 17 A of collector current makes this transistor suitable for driving heavy loads in industrial applications.
Bottom terminal positioning facilitates easier PCB layout and can improve thermal management in densely populated circuits.
Direct collector connection allows for efficient heat transfer and optimal performance in switching applications.
A transition frequency of 25 MHz indicates good frequency response, enabling applications in high-speed circuits.
Power Bipolar Junction Transistors (BJT) 2ST2121 attributes and parameters. Explore more Power Bipolar Junction Transistors (BJT) devices from STMicroelectronics
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2ST2121 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
BAV99
Rfe International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Gec Plessey Semiconductors
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/NOPB
Texas Instruments
LM317T/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max input-output voltage differential of 40V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. The package style is flange mount with three terminals for easy installation.
ESD5Z5.0T1G
Onsemi
ESD5Z5.0T1G by Onsemi is a unidirectional Trans Voltage Suppressor Diode with 5V reverse test voltage and 174W peak power dissipation. It is used for transient suppression in electronic circuits, meeting IEC-61000-4-2, 4-4 standards and UL recognized for reliability.
OHN3140U
Optek Technology
MAGNETIC FIELD SENSOR,HALL EFFECT; Mounting Feature: THROUGH HOLE MOUNT; No. of Terminals: 3; Output Type: ANALOG CURRENT; Package Shape or Style: RECTANGULAR; Output Range: 25mA;
ULN2803A
STMicroelectronics
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; No. of Elements: 8; Minimum DC Current Gain (hFE): 1000;
SPC TECHNOLOGY/ MULTICOMP
MMBT3906LT1G
MMBT3906LT1G by Onsemi is a PNP BJT with VCEsat of 0.4V, hFE of 30, and fT of 250MHz. Ideal for small signal applications in electronics due to its low power dissipation, high transition frequency, and compact SOT-23 package. Suitable for use in temperature-sensitive environments with an operating range from -65°C to 150°C.
SS14
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Surge Components
NDT2955
National Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 3 W; JESD-609 Code: e0; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
Meritek Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .5 A;
1N4148WT
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBT2222ALT1G
Rochester Electronics
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .6 A;
OPA2277UA/2K5
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
1N4148
Synsemi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
RC0603JR-070RL
Yageo
Yageo's RC0603JR-070RL is a SMT fixed resistor with 0 ohm resistance, rated for temperatures from -55 to 155 °C. Its metal glaze/thick film technology and 0.1 W power dissipation make it ideal for jumper applications in various electronic devices.
MBRS360T3G
MBRS360T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.63V and a max output current of 3A. It is designed for applications requiring high-speed switching and low power loss, making it suitable for use in various electronic devices.
Frontier Electronics
TIP110
Central Semiconductor
NPN; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 25 MHz; Maximum Power Dissipation (Abs): 50 W; Maximum Collector Current (IC): 2 A;
TIP120
Samsung
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Terminal Position: SINGLE;
TIP31CG
TIP31CG by Onsemi is a NPN power BJT with 30W max power dissipation, 100V max collector-emitter voltage, and 3A max collector current. Ideal for switching applications, it has a min hFE of 10 and operates up to 150°C. Its through-hole terminal form makes it suitable for various electronic designs.
MJD45H11T4
Motorola
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 40 MHz; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): 8 A;
TIP42A
Weitron Technology
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 6 A; Terminal Position: SINGLE;
TIP147
PNP; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 10 A; No. of Elements: 1;
2SC5200O
Unisonic Technologies
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 30 MHz; Maximum Power Dissipation (Abs): 150 W; Maximum Collector Current (IC): 15 A;
TIP142
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Power Dissipation (Abs): 125 W; Maximum Collector Current (IC): 10 A; Maximum VCEsat: 3 V;
JAN2N3055
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 15 A; JEDEC-95 Code: TO-3; No. of Elements: 1;
MJE350
General Transistor
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): .5 A; Minimum DC Current Gain (hFE): 30;
TIP41C
Power Innovations
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 6 A; Transistor Element Material: SILICON; JESD-30 Code: R-PSFM-T3;
BD679
Baneasa S A
NPN; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 4 A; No. of Elements: 1; JESD-30 Code: R-PSFM-T3;
TIP125
Semiconductors
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 5 A; Maximum Operating Temperature: 150 Cel;
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Power Dissipation (Abs): 65 W; Maximum Collector Current (IC): 6 A;
BD140G
The Onsemi BD140G is a PNP BJT transistor with 80V VCE, 1.5A IC, and 12.5W power dissipation. Ideal for amplifier applications, it has a min hFE of 25 and operates up to 150°C. The package is through-hole with matte tin finish in a rectangular shape.
BD139
Kec
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 1.5 A; Package Body Material: PLASTIC/EPOXY; Minimum DC Current Gain (hFE): 25;
TIP127
PNP; Configuration: DARLINGTON; Surface Mount: NO; Maximum Collector Current (IC): 5 A; Case Connection: COLLECTOR; Terminal Position: SINGLE;
TIP36C
Nte Electronics
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 3 MHz; Maximum Collector Current (IC): 25 A; Maximum Collector-Emitter Voltage: 100 V;
TIP29C
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): 2 A; No. of Terminals: 3; Transistor Element Material: SILICON;
Crimson Semiconductor
PNP; Configuration: DARLINGTON; Surface Mount: NO; Nominal Transition Frequency (fT): 2 MHz; Maximum Collector Current (IC): 5 A; No. of Elements: 1;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
2ST2480
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 130 MHz; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): 4 A;
Supply Digital Components
$106.00
$54.25
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12,000 In-Stock
Total price ≈ $80,197.29
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