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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Siemens 3SK1121-1CB42 is a 4PST safety relay with IP20 sealing. It has a max AC contact current of 3A@230VAC and operates at temperatures ranging from -25 to 60 °C. Ideal for applications requiring momentary relay action, it features DIN-rail mounting and SNAP-ON termination.
Median Price
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Allows for multiple poles to be controlled simultaneously, providing versatility in applications.
Compact size makes it suitable for installation in various settings.
Provides protection against solid objects and offers safety in indoor environments.
Ideal for applications where a short-term signal is needed.
Space-saving design for efficient utilization of space.
Ensures reliability and performance even in high-temperature conditions.
Capability to handle moderate AC current loads efficiently.
Can withstand low temperatures, making it suitable for various environments.
Efficient operation with low DC voltage, helping in energy savings.
Can handle up to 24 V DC voltage, suitable for many DC applications.
Complies with multiple international standards for quality and safety assurance.
Versatile compatibility with both AC and DC systems.
Suitable for moderate AC ratings, providing flexibility in usage.
Designed for safety-critical applications, ensuring reliable operation.
Compact size for easy installation and space efficiency.
Compact form factor for versatile installation options.
Can handle moderate DC loads efficiently.
Ability to handle up to 3 A DC current for various applications.
Easy and quick termination for convenient installation.
Can handle up to 230 V AC voltage, suitable for many AC applications.
Allows for easy and secure mounting on DIN rails, ensuring stability.
Operates efficiently with up to 24 V DC coil voltage, suitable for various applications.
Special Function Relays 3SK1121-1CB42 attributes and parameters. Explore more Special Function Relays devices from Siemens
Relay Type:
Relay Function:
Relay Action:
Coil Maximum DC Voltage:
Coil DC Operate Voltage:
Contact Maximum AC Voltage:
Contact Maximum AC Current:
Contact Maximum AC Rating (R Load):
Contact Maximum DC Current:
Contact/Output Supply Type:
Contact Maximum DC Voltage:
Contact Maximum DC Rating (R Load):
Width:
Height:
Length/Diameter:
Dimensions:
Mounting Type:
Minimum Operating Temperature:
Maximum Operating Temperature:
Termination Type:
Industry Standard Compliance:
Sealing Type:
3SK1121-1CB42 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.41.00.20
SB
Siemens is an industrial conglomerate, with businesses selling components and equipment for factory automation, railway equipment, electrical distribution equipment, and medical equipment. Through spinoffs it owns a controlling stake in separately listed Siemens Healthineers and minority take in Siemens Energy, also publicly listed. Healthineers supplies medical imaging equipment, while Siemens Energy supplies power generation, and wind turbines, respectively.
LM7805CT
Fairchild Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
1N4148
Shenzhen Yixinsemi Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SMBJ18CA
Continental Device India
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317BD2TG
Onsemi
LM317BD2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max load regulation of 5.8%. Operating temperature ranges from -40 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact designs.
Weitronic Enterprise
PIC18F4550-I/P
Microchip Technology
PIC18F4550-I/P by Microchip Technology is an 8-bit microcontroller with a max clock frequency of 48 MHz. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it ideal for industrial applications requiring low power consumption and high-speed data processing. With 2048 RAM bytes and 256 Data EEPROM size, this CMOS technology-based microcontroller offers versatile performance in various embedded systems.
BAV99
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): .715 V; Maximum Operating Temperature: 150 Cel; Maximum Reverse Recovery Time: .006 us; Maximum Output Current: .2 A;
Formosa Microsemi
NE555D
Philips Semiconductors
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
ROHM
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Hitano Enterprise
1N4148WT
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM2931AZ-5.0RPG
LM2931AZ-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage and 0.1A max output current. It features a low dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature range from -40 to 125°C. The package style is cylindrical with matte tin terminal finish, ideal for various electronic devices needing precise voltage regulation.
2N2222A
Telcom 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;
261
Deltrol Controls
Other Relays;
BSS138LT1G
BSS138LT1G by Onsemi is a N-CHANNEL FET with 50V DS Breakdown Voltage, 0.2A Drain Current, and 3.5 ohm On Resistance. Ideal for SWITCHING applications due to its ENHANCEMENT MODE operation and built-in DIODE. Operates b/w -55 to 150 °C with small outline package style for surface mount assembly.
Meritek Electronics
Frontier Electronics
LL4148
Silicon Standard
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2981525
Phoenix Contact
SAFETY RELAY; Mounting Feature: DIN-RAIL MOUNT; Relay Action: MOMENTARY; Relay Function: SPST; Coil or Input Supply Type: DC; Reference Standard: UL;
EMD-BL-V-230
Special Relays;
K8DS-PU2
Omron
PSR-SPP-24UC/ESA4/3X1/1X2/B
Special Relays; Manufacturer Series: PSR-SPP-24UC/ESA4/3X1/1X2/B;
CAD32BD
Schneider Electric Sa
Schneider Electric Sa's CAD32BD is a 5PST control relay with 72ms operate time. It has a body width of 45in and operates at temperatures from -40°C to 70°C. Ideal for applications requiring momentary relay action, it features DIN-rail mounting and snap-on termination, meeting standards like BS, CSA, EN, IEC, NFC, UL, VDE.
LRD083
2981046
Special Relays; Manufacturer Series: 2981046;
SR4M4024
TE Connectivity
TE Connectivity SR4M4024 is a 4PST safety relay with 10 terminals, coil voltage of 24V, and max contact current of 8A. It has a body width of 13in and is suitable for panel mounting applications requiring momentary relay action at temperatures ranging from -25°C to 70°C.
K8DT-VW2TA
Special Relays; Manufacturer Series: K8DT-VW;
2981460
Special Relays; Manufacturer Series: 2981460;
PSR-SPP-24DC/MXF4/4X1/2X2/B
G9SB-301-B
SAFETY RELAY; Mounting Feature: DIN-RAIL MOUNT; Relay Action: MOMENTARY; Relay Function: 3PST; Coil or Input Supply Type: AC/DC; Reference Standard: CE; CSA; TUV; UL;
K8DT-PM2TN
2981473
T2500.0060
Littelfuse
OVERLOAD RELAY;
2943424
5603261
PSR-MC20-3NO-1DO-24DC-SP
DPA01CM44
Carlo Gavazzi Holding Ag
K8AB-VW224VAC
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3SK11111AB30
Siemens
SAFETY RELAY; Mounting Feature: PANEL MOUNT; Relay Action: MOMENTARY; Relay Function: 4PST; Maximum DC Coil Voltage: 24 V; Maximum AC Coil Voltage: 24 V;
3SK1111-2AB30
3SK1112-1BB40
3SK1111-2AW20
3SK1121-1AB40
3SK1121-1CB41
SAFETY RELAY; Mounting Feature: DIN-RAIL MOUNT; Relay Function: 4PST; Reference Standard: CCC; CE; CSA; EAC; RCM; UL; Body Height: 121.7 mm; Maximum DC Coil Voltage: 24 V;
3SK1111-1AW20
SAFETY RELAY; Mounting Feature: DIN-RAIL MOUNT; Relay Action: MOMENTARY; Relay Function: 4PST; Reference Standard: CCC; CE; CSA; EAC; RCM; UL; Maximum AC Contact Voltage: 230 V;
3SK1211-1BB40
SAFETY RELAY; Mounting Feature: DIN-RAIL MOUNT; Relay Action: MOMENTARY; Relay Function: 5PST; Reference Standard: CCC; CE; CSA; EAC; RCM; TUV; UL; DC Coil Operate Voltage: 19.2 V;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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