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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Featured manufacturers
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Maximum AC Contact Voltage: 140 V; Maximum DC Contact Voltage: 200 V; Maximum Pull In: 38 AT;
Median Price
$0.878
Lifecycle Status
Suppliers In-Stock
8
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1k+
Arrow
1+ parts
$0.542
100+ parts
-
1k+ parts
10k+ parts
Farnell
$0.696
$0.573
$0.512
Chip1Stop
$1.060
$0.730
Mouser Electronics
$1.130
$0.581
$0.580
DigiKey
$0.792
$0.658
$0.586
Newark
$1.290
$1.090
$0.943
$0.885
TTI
$0.675
$0.660
Verical
Continental Prestige Electronics
$0.873
$0.623
$0.539
Infinite Electronics LLP (Excess)
GreenTree Electronics
Formix International (Excess)
Perfect Parts
Magnetic Reed Switches MDCG-4-27-33 attributes and parameters. Explore more Magnetic Reed Switches devices from Littelfuse
Body Height:
Body Length/Diameter:
AC Maximum Rating R Load (Contact):
Maximum AC Contact Current:
Maximum DC Contact Current:
DC Maximum Rating R Load (Contact):
Maximum AC Contact Voltage:
Maximum DC Contact Voltage:
JESD-609 Code:
Mounting Feature:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Pull In:
Minimum Pull In:
Nominal Resonant Frequency:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
MDCG-4-27-33 Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.70.00
SB
PCN Design/Specification - Reed Switch Box Logo Change 23/Sep/2015
PCN Packaging - Multiple Series Packaging 26/Aug/2020
Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.
1N4148
Toshiba
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Transys Electronics
1N4148W-T
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Silicon Standard
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
First Components International
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; Config: SINGLE; No. of Elements: 1;
LM358AN
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; 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;
2N2222A
Nte Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Terminal Form: WIRE;
2N7002
Infineon Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .5 W; Transistor Element Material: SILICON; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
Formosa Microsemi
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;
06035C103KAT2A
KYOCERA AVX
06035C103KAT2A by KYOCERA AVX is a SMT ceramic capacitor with 0.01uF capacitance and 50V URdc. It has X7R temperature characteristics, -55 to 125 °C operating range, and 10% tolerance. Ideal for applications requiring compact surface mount capacitors with stable performance in a wide temperature range.
ATMEGA328P-AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 32; Package Code: TQFP; Package Shape: SQUARE;
1N4148WT
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Alpha & Omega Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Philips Semiconductors
SS14
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z+T&R
Analog Devices
DS18B20Z+T&R by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. The sensor comes in a plastic package suitable for surface mount applications, with a max supply voltage of 5.5V and min of 3V.
ERJU06F10R0V
Panasonic
ERJU06F10R0V by Panasonic is an 0805 size SMT fixed resistor with a resistance of 10 ohm and 1% tolerance. It operates b/w -55 to 155 °C, suitable for AEC-Q200 standards in automotive applications due to its high temperature coefficient of 100 ppm/°C. With a max operating voltage of 150 V and power dissipation of 0.125 W, it is ideal for surface mounting type.
Sangdest Microelectronics (Nanjing)
MLSM-3
Littelfuse
DRY REED SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Body Height: 3 mm; Maximum Pull In: 23 AT; Sealing: HERMETICALLY SEALED;
MDSM-DTR-15-20
MDSM-DTR-15-20 by Littelfuse is a hermetically sealed dry reed switch with a max pull-in of 30 AT and min pull-in of 15 AT. It has a change-over switch function, operates b/w -40 to 125 °C, and can handle 0.18A@120VAC AC contact current. Ideal for applications requiring reliable switching in compact spaces.
MLRR-3
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Minimum Pull In: 17 AT; Maximum DC Contact Current: 1 A; Body Height: 15.24 mm;
DRS-50-57-63
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Nominal Resonant Frequency: .85 kHz; Maximum AC Contact Current: 2.1 A; Packing Method: BULK;
MDSM-10R-10-15
The Littelfuse MDSM-10R-10-15 is a hermetically sealed SPST dry reed switch with max pull in of 15AT and min pull in of 10AT. Ideal for applications requiring reliable switching at temperatures ranging from -40 to 125°C, with AC contact current up to 0.35A@140VAC and DC contact current up to 0.5A@200VDC.
MRPR-20-32-38
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Additional Features: STANDARDS: CUL; UL; Sealing: HERMETICALLY SEALED; Nominal Resonant Frequency: 2.1 kHz;
MDRR-DT-15-25-F
Littelfuse MDRR-DT-15-25-F is a CHANGE-OVER DRY REED SWITCH with 15-25 AT pull-in, 125°C max temp, and 11 kHz resonant frequency. Ideal for applications requiring reliable switching at up to 175VDC/0.18A or 120VAC/0.18A loads in through-hole mounting setups.
FLEX-14
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Body Length/Diameter: 2.28 mm; Maximum Operating Temperature: 125 Cel; DC Maximum Rating R Load (Contact): .5A@200VDC;
MLSM-3R22-28
DRY REED SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Nominal Resonant Frequency: 6 kHz; Sealing: HERMETICALLY SEALED; AC Maximum Rating R Load (Contact): .7A@140VAC;
MDSM-10B-10-25
DRY REED SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; AC Maximum Rating R Load (Contact): .35A@140VAC; Body Height: 10.16 mm; Body Length/Diameter: 1.8 mm;
MDCG-4-32-38
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; DC Maximum Rating R Load (Contact): .5A@200VDC; Maximum DC Contact Voltage: 200 V; Body Height: 15.24 mm;
MARR-5-22-33AT
DRY REED SWITCH; Manufacturer Series: MARR-5;
MISM-7R56-10
DRY REED SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Maximum Operating Temperature: 125 Cel; AC Maximum Rating R Load (Contact): .18A@120VAC; Sealing: HERMETICALLY SEALED;
DRS-50-42-83
Littelfuse DRS-50-42-83 is a hermetically sealed SPST dry reed switch with 83AT pull-in and 42AT drop-out. It operates b/w -40°C to 125°C, handling up to 2.1A@280VAC or 3A@400VDC. Ideal for applications requiring reliable switching in harsh environments.
MRPR-20-17-28
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Maximum AC Contact Current: 1.1 A; Maximum Operating Temperature: 125 Cel; Maximum DC Contact Current: 1.5 A;
MDRR-DT-15-25-U
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: CHANGE-OVER; Maximum AC Contact Voltage: 120 V; Body Height: 14.73 mm; Nominal Resonant Frequency: 11 kHz;
HA15-2-17-23
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; DC Maximum Rating R Load (Contact): .4A@200VDC; Body Length/Diameter: 2.28 mm; Minimum Pull In: 17 AT;
MDSM-10R-15-20
DRY REED SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Maximum Pull In: 20 AT; Sealing: HERMETICALLY SEALED; Maximum DC Contact Voltage: 200 V;
KSK-1C90F-2025
Standex-meder Electronics
KSK-1C90F-2025 by Standex-Meder Electronics is a SPDT magnetic reed switch with 25 AT max pull in and 20 AT min pull in. With a body height of 14 mm, it operates b/w -40 to 130 °C and can handle 0.5A@175VAC/DC. Ideal for applications requiring reliable switching in various environments.
MDCG-4-17-28AT
DRY REED SWITCH; Manufacturer Series: MDCG-4;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MDCG-4-17-23
The Littelfuse MDCG-4-17-23 is a SPST DRY REED SWITCH with 38 AT max pull in and 12 AT min pull in. It operates b/w -40 to 125 °C, with 0.5A@200VDC DC max rating. Ideal for applications requiring reliable magnetic reed switches.
MDCG-4-12-33
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Body Height: 15.24 mm; Body Length/Diameter: 2.28 mm; Minimum Operating Temperature: -40 Cel;
MDCG-4
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Manufacturer Series: MDCG-4; Sealing: HERMETICALLY SEALED; Body Length/Diameter: 2.28 mm;
MDCG-4-12-18
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; AC Maximum Rating R Load (Contact): .35A@140VAC; Terminal Finish: TIN; Termination Type: SOLDER;
MDCG-4-12-23
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Terminal Finish: TIN; Maximum AC Contact Voltage: 140 V; Maximum DC Contact Current: .5 A;
MDCG-4-12-23AT
MDCG-4-17-23AT
MDCG-4-17-28
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Maximum Operating Temperature: 125 Cel; Nominal Resonant Frequency: 3.9 kHz; Minimum Operating Temperature: -40 Cel;
MDCG-4-22-28
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Maximum DC Contact Voltage: 200 V; Maximum AC Contact Voltage: 140 V; JESD-609 Code: e3;
MDCG-4-22-28AT
MDCG-4-22-33
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; AC Maximum Rating R Load (Contact): .35A@140VAC; Maximum AC Contact Current: .35 A; Minimum Pull In: 12 AT;
MDCG-4-22-33AT
MDCG-4-27-33AT
MDCG-4-27-38
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Maximum AC Contact Current: .35 A; AC Maximum Rating R Load (Contact): .35A@140VAC; Maximum Operating Temperature: 125 Cel;
MDCG-4-27-38AT
MDCG-4-32-38AT
Hamlin Electronics Europe
DRY REED SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Sealing: HERMETICALLY SEALED; Body Height: 15.24 mm; Maximum DC Contact Voltage: 200 V;
Supply Digital Components
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12,000 In-Stock
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