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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L3121B by STMicroelectronics is a surge protection IC designed for telecom applications. It operates b/w -40 °C and 85°C, features a compact 4-terminal in-line package, and has a terminal pitch of 2.54 mm. Ideal for industrial environments, it ensures reliable circuit protection.
Median Price
$1.406
Lifecycle Status
Suppliers In-Stock
10
In-Stock Inventory
1k+
Vyrian
1+ parts
-
100+ parts
1k+ parts
10k+ parts
Anansix
Digiode
ACDS - Activité Composants Distribution Service
J2 Sourcing AB
Corel Iberica Componentes, S.L.
Bristol Electronics
Microfarads
ECAB
Prism Electronics
IDEA Electronic Components Group
$10.578
$9.520
MKK Technologies
$19.892
DigiPath Technology Company
Authorized Procurement Solutions
Corphita
Parana Technologies
$12.648
Assy Fe
Perfect Parts
RC Electronics
The use of plastic/epoxy material ensures durability and resistance to environmental factors, making this protection IC suitable for various applications.
The rectangular shape optimizes space efficiency on PCBs, allowing for easier integration into compact designs.
With four terminals, this IC provides adequate connectivity for robust surge protection without over-complicating the design.
The in-line package style allows for simple and direct mounting on circuit boards, enhancing manufacturing efficiency.
A maximum operating temperature of 85 °C ensures reliable performance in high-temperature environments typically encountered in telecom applications.
The ability to function down to -40 °C makes this IC suitable for use in harsh environments, offering versatility across a range of conditions.
Tin-lead finish provides excellent solderability and enhances the reliability of the solder joints in critical telecom applications.
Single terminal position simplifies the PCB layout and design, making it easier to implement in various configurations.
A maximum seated height of 10.5 mm allows for compatibility with low-profile designs while ensuring effective heat dissipation.
The compact width of 3.305 mm is ideal for space-constrained applications, facilitating integration into high-density designs.
Being rated for industrial temperatures means this product is designed for reliability in demanding long-term operations.
Through-hole terminals provide strong mechanical support and are advantageous for high-stress applications, ensuring durability.
As a surge protection circuit, this IC is essential for safeguarding sensitive telecom equipment against voltage spikes, enhancing system longevity.
A terminal pitch of 2.54 mm ensures compatibility with standard PCB layouts, making it easier for designers to incorporate into existing systems.
Telecom - Protection ICs L3121B attributes and parameters. Explore more Telecom - Protection ICs devices from STMicroelectronics
JESD-30 Code:
JESD-609 Code:
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Code:
Package Shape:
Package Style (Meter):
Qualification:
Maximum Seated Height:
Surface Mount:
Telecom IC Type:
Temperature Grade:
Terminal Finish:
Terminal Form:
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Width:
L3121B Telecommunications trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
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
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SN6505BDBVR
Texas Instruments
SN6505BDBVR by Texas Instruments is a small outline, low profile interface IC with 6 terminals. It operates b/w -55 to 125°C and supports a max output current of 1.5A at supply voltages ranging from 2.25V to 5.5V. Ideal for military-grade applications requiring compact design and high reliability.
SMBJ18CA
Pro-an Electronic
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Polarity: BIDIRECTIONAL; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
EU2B-YS3103F
Idec
ROTARY SWITCH;
2N7002
Micro Commercial Components
Small Signal Field-Effect Transistors; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Transistor Application: SWITCHING; Maximum Drain Current (ID): .34 A; Package Style (Meter): SMALL OUTLINE;
MMSZ5245BT1G
Onsemi
MMSZ5245BT1G by Onsemi is a Zener diode with 15V nominal reference voltage, 8.5mA test current, and 16 ohm dynamic impedance. It is used in applications requiring precise voltage regulation in a compact SMD package for temperatures ranging from -55 to 150°C.
SS14+
Multicomp Pro
SS14+ by Multicomp Pro is a Schottky rectifier diode with a max output current of 1A and a reverse test voltage of 40V. It is designed for surface mount applications in electronic circuits, offering a small outline package style and dual terminal position. With a temperature range from -65°C to 150°C, it is suitable for various industrial and consumer electronics.
LL4148
Rectron
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
NXP Semiconductors
Cheng-yi Electronic
LM7805CT
Comset Semiconductors
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Operating Temperature (TJ-Min): 0 Cel; Technology: BIPOLAR;
1N4148WS
General Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358MX
LM358MX by Texas Instruments is a dual operational amplifier with a max input offset voltage of 9000 uV. It has a nominal voltage of 5V and a min voltage gain of 15000. This op amp is commonly used in applications requiring amplification and signal conditioning.
Microsemi
Philips Components
1N4148
Shenzhen Yixinsemi Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
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.
M24308/2-1F
Bel Fuse
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Dielectric Withstanding Voltage (V): 1750VAC; No. of Connectors: ONE; Mixed Contacts: NO;
2N2222A
Semitronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
ULN2803A
Allegro MicroSystems
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Maximum Operating Temperature: 85 Cel; Terminal Form: THROUGH-HOLE;
CG2250LTE
Littelfuse
GAS DISCHARGE TUBE SUPPRESSOR; Terminal Form: UNSPECIFIED; No. of Terminals: 2; Package Shape: ROUND; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Peak Reflow Temperature (C): NOT SPECIFIED;
2035-09-SM-LF
Bourns
Bourns 2035-09-SM-LF is a gas discharge tube suppressor for telecom applications. With round shape and axial terminals, it operates b/w -55°C to 85°C. This surface mount device with tin finish offers protection in telecom systems against surges.
TCM1060P
Texas Instruments TCM1060P is a surge protection circuit for telecom applications. With 8 terminals, it has an industrial temperature grade of -40 to 85°C. The rectangular package style with through-hole terminals measures 9.81mm x 7.62mm x 5.08mm.
CG5600LSTR
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; Terminal Form: UNSPECIFIED; No. of Terminals: 2; Package Shape: ROUND; Terminal Position: DUAL;
2038-15-SM-RPLF
Bourns' 2038-15-SM-RPLF is a telecom IC with gas discharge tube suppressor. It has 3 terminals, special shape package style, and operates b/w -40°C to 90°C. Ideal for telecom applications requiring protection against surges in surface mount design.
CG2300SNLSTR
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 2; No. of Functions: 1; Minimum Operating Temperature: -40 Cel; Terminal Finish: TIN;
CG42.7SM
GAS DISCHARGE TUBE SUPPRESSOR; Peak Reflow Temperature (C): NOT SPECIFIED; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED;
CG5400L
GAS DISCHARGE TUBE SUPPRESSOR;
CG5230LSTR
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; Terminal Form: UNSPECIFIED; No. of Terminals: 2; Package Shape: ROUND; Minimum Operating Temperature: -40 Cel;
B88069X0780S102
TDK
TDK B88069X0780S102 is a gas discharge tube suppressor for telecom protection. With operating temperatures from -40°C to 90°C, it features matte tin terminals in an axial position. Ideal for industrial-grade applications requiring reliable overvoltage protection.
CG7150MS
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 2; Package Shape: ROUND; Maximum Operating Temperature: 90 Cel;
CG2250LSNLTE
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 2; JESD-609 Code: e3; Maximum Operating Temperature: 90 Cel; No. of Functions: 1;
CG2300SNL
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 2; Maximum Operating Temperature: 90 Cel; Minimum Operating Temperature: -40 Cel; Qualification: Not Qualified;
B88069X7960B502
B88069X7960B502 by TDK is a gas discharge tube suppressor with 3 terminals. It operates in industrial temperature range of -40 to 90°C. Ideal for telecom applications, this protection IC comes in a special round package shape.
TISP2180KC-00
TISP2180KC-00 by Texas Instruments is a surge protection circuit for telecom applications. It features 2 functions, operates b/w 0°C to 70°C, and has a flange mount package style. Ideal for safeguarding telecom equipment from voltage surges in commercial environments.
SL1011A350A
SL1011A350A by Littelfuse is a gas discharge tube suppressor for telecom applications. With 2 terminals, it operates in industrial temperature range of -40 to 90°C. Its round shape and wire terminal form make it ideal for telecom protection ICs.
CG6300SM
GAS DISCHARGE TUBE SUPPRESSOR; Terminal Form: NO LEAD; No. of Terminals: 2; Package Code: DSS; Package Shape: RECTANGULAR; Package Body Material: UNSPECIFIED;
CG5600L-02
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; Terminal Form: WIRE; No. of Terminals: 2; Package Shape: ROUND; No. of Functions: 1;
MAX14699EWC+T
Analog Devices
SURGE PROTECTION CIRCUIT; JESD-609 Code: e2; Peak Reflow Temperature (C): 260; Moisture Sensitivity Level (MSL): 1; Terminal Finish: TIN SILVER COPPER NICKEL; Maximum Time At Peak Reflow Temperature (s): 30;
GTCA26-141M-R05
GAS DISCHARGE TUBE SUPPRESSOR; Temperature Grade: INDUSTRIAL; Terminal Form: WIRE; No. of Terminals: 2; Package Shape: ROUND; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED;
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STMicroelectronics
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
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