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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TE Connectivity SR4M4018 is a 4PST safety relay with 10 terminals, MOMENTARY action, and 8A@400VAC contact rating. It operates on an 18V DC coil voltage, has a body width of 13", and is suitable for panel mounting applications in various industries.
Median Price
$21.807
Lifecycle Status
Suppliers In-Stock
11
In-Stock Inventory
1k+
DigiKey
1+ parts
$33.840
100+ parts
$26.836
1k+ parts
$25.622
10k+ parts
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TE Connectivity
$48.160
$40.450
PEI Genesis
Chip1Stop
$19.100
$14.300
Master Electronics
$20.540
$18.260
Newark
$22.170
$20.780
Verical
$21.444
$20.475
Rapid Electronics
IBS Electronics
$19.613
$16.262
Atlantic Semiconductor
Bristol Electronics
Component Stockers USA
$26.460
$14.880
$15.760
Perfect Parts
Assy Fe
Provides four independent single-pole, single-throw relay contacts, allowing for versatile control options.
Compact size for easy installation in various applications.
Offers protection against environmental factors such as dust and moisture, ensuring reliable operation.
Efficient energy consumption and lower operating costs.
Provides temporary contact closure or opening, ideal for momentary control applications.
Plenty of connection options for versatile wiring configurations.
Slim profile for space-saving installation.
Can withstand high temperatures, suitable for a wide range of operating environments.
Capable of handling high current loads, suitable for various applications.
Low release voltage for efficient coil de-energization.
Capable of operating in cold environments without issues.
Efficient coil operation voltage for reliable performance.
Stable coil voltage for consistent relay operation.
Offers flexibility in control options for various applications.
Provides a reliable and durable contact surface for enhanced longevity.
Suitable for easy mounting on PCBs with standard hole count.
Meets safety and performance standards set by UL for reliability.
Capable of handling high AC loads for various applications.
Provides insulation between open contacts for safety and reliability.
Designed for safety-critical applications, ensuring reliable operation in critical situations.
Efficient coil power consumption for energy savings.
Provides different packaging options for convenience during shipping and storage.
Compact size for space-efficient installation.
Optimal coil resistance for efficient operation.
Lightweight design for easy handling and installation.
Compact and precise dimensions for versatile installation options.
Provides strong insulation between coil and contacts for safety and reliability.
Capable of handling high DC loads for various applications.
Versatile termination options for easy and secure connection.
Low contact resistance for efficient current flow and minimal power loss.
Capable of switching high AC voltages for various applications.
Consistent and stable DC input supply for reliable operation.
Allows for secure and stable mounting on panels for easy access and operation.
Optimal DC coil voltage for reliable and efficient operation.
Standard terminal length for easy connection in various applications.
Special Function Relays SR4M4018 attributes and parameters. Explore more Special Function Relays devices from TE Connectivity
Relay Type:
Relay Function:
Relay Action:
Switching Method:
Coil Maximum DC Voltage:
Coil/Input Supply Type:
Coil Power:
Coil Maximum DC Current:
Coil Resistance:
Coil DC Operate Voltage:
Coil Maximum AC Current:
Coil DC Release Voltage:
Coil Nominal Voltage:
Contact Maximum AC Voltage:
Contact Maximum AC Current:
Contact Maximum AC Rating (R Load):
Contact Maximum DC Current:
Contact Resistance:
Width:
Height:
Length/Diameter:
Dimensions:
Weight:
Mounting Type:
PCB Hole Count:
Terminal Count:
Terminal Length:
Minimum Operating Temperature:
Maximum Operating Temperature:
Coil-Contacts Dielectric Strength:
Open Contacts Dielectric Strength:
Termination Type:
Contact End Material:
Industry Standard Compliance:
Sealing Type:
SR4M4018 Relays trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
TE Connectivity is a global leader in the design and production of innovative connectors and sensors for multiple industries, such as automotive, industrial equipment, data communication systems, aerospace, defense, medical, oil and gas, consumer electronics and energy. It is an American-Swiss domiciled firm that has been providing high-quality products to its customers since 1907.
CEO
Terrence R. Curtin
Executive VP, CFO
Heath A. Mitts
Senior VP, Principal Accounting Officer
Robert J. Ott
2N2222A
Tesla Elektronicke Soucastky
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Digitron Semiconductors
LL4148
International Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BAV99
Allegro MicroSystems
RECTIFIER DIODE; Terminal Position: END; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Fagor Electronica S Coop
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LP2950CDT-3.3G
Onsemi
LP2950CDT-3.3G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 0.1A. It has a small outline package style, operates at temperatures ranging from -40 to 125 °C, and is suitable for applications requiring low dropout voltage and precise voltage regulation in electronic circuits.
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Taitron Components
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
1N4148
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Forward Voltage (VF): 1 V; Maximum Operating Temperature: 200 Cel; No. of Elements: 1;
MC7805CTG
MC7805CTG by Onsemi is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation. The package style is flange mount with through-hole terminals, ensuring easy installation and reliability in diverse electronic designs.
1N4148WS
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/58-360
Tri-star Electronics International
CONNECTOR ACCESSORY; Material: COPPER ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; MIL-Connector Accessory Name: CONTACT; Terminal Type: CRIMP;
MBRS140T3G
MBRS140T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.6V and max output current of 1A. It operates b/w -65°C to 125°C, making it suitable for various applications requiring high-speed switching and low power loss in a small outline package style. The diode's matte tin terminal finish and dual position terminals enhance its performance in surface mount configurations.
CRCW06030000Z0EAHP
Vishay Intertechnology
Vishay Intertechnology's CRCW06030000Z0EAHP is a 0 ohm jumper resistor with METAL GLAZE/THICK FILM tech. Operating temp range -55 to 155 °C, it's SMT package style makes it ideal for automotive applications meeting AEC-Q200 standard.
FSMLF327
Fox Electronics
FSMLF327 by Fox Electronics is a crystal oscillator with 20 ppm frequency tolerance, 144% stability, and 50000 ohm series resistance. Ideal for applications requiring precise timing such as communication systems, industrial automation, and consumer electronics. Operating temperature range from -40 to 85 °C.
Hy Electronic
Fairchild Semiconductor
LD1117S33TR
STMicroelectronics
LD1117S33TR by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It has a small outline package style, operates at an adjustable temperature range from 0 to 125°C, and is ideal for applications requiring stable voltage regulation in compact electronic devices.
SS14
Rugao Dachang Electronic
RECTIFIER DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 40 V; Maximum Forward Voltage (VF): .55 V; No. of Elements: 1; Technology: SCHOTTKY;
2N7002
Silicon Standard
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): .225 W; Maximum Drain-Source On Resistance: 7.5 ohm; Transistor Element Material: SILICON;
3RR2241-1FW30
Siemens
Siemens 3RR2241-1FW30 is a SPDT monitoring relay with 100000 cycles electrical life. It has IP20 sealing, operates b/w -25°C to 60°C, and meets CCC, CE, CSA standards. With DIN-rail mounting and SNAP-ON termination, it's ideal for industrial automation applications.
K8DS-PZ1
Omron
Special Relays;
PSR-SCP-24UC/ESA2/4X1/1X2/B
Phoenix Contact
RM22TG20
Schneider Electric Sa
2981130
2981363
Phoenix Contact 2981363 is a DPDT safety relay with 10ms operate/release time. It has IP20 sealing, suitable for DIN-rail mounting in applications requiring momentary relay action at temperatures ranging from -20 to 50°C. Operating at 24V AC/DC, it offers max contact voltage of 250V and coil resistance of 800Ω.
2981046
Special Relays; Manufacturer Series: 2981046;
SR120MP02
2981402
G9SA-EX031-T30
Special Relays; Manufacturer Series: G9SA;
2904957
PSR-SCP-24DC/ESD/5X1/1X2/T30
2908777
PSR-MC34-3NO-1DO-24DC-SP
2TLA010041R0600
Abb
PSR-SCP-24UC/ESAM4/2X1/1X2
Special Relays; Manufacturer Series: PSR-SCP-24UC/ESAM4/2X1/1X2;
2903260
PLC-RSC-120UC/21C1D2
G9SE-401
PSR-SPP-24DC/ESD/4X1/30
Special Relays; Manufacturer Series: PSR-SPP-24DC/ESD/4X1/30;
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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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