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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
The Grayhill 39-251BLK is a SPDT pushbutton switch with gold-plated brass terminals. With an electrical life of 500,000 cycles, it offers reliable performance in applications requiring momentary contact functions. The switch has a max operating temperature of 125°C and is ideal for use in electronic devices that require a durable and high-quality pushbutton switch.
Median Price
$5.830
Lifecycle Status
Suppliers In-Stock
17
In-Stock Inventory
1k+
Future Electronics
1+ parts
$3.250
100+ parts
$3.080
1k+ parts
$3.010
10k+ parts
-
RS Americas
$4.560
$3.420
$2.970
Mouser Electronics
$6.970
$4.820
$4.220
DigiKey
$7.020
$5.228
$4.506
Verical
$11.073
Chip1Stop
$4.690
Freelance Electronics
$2.534
$2.660
$2.508
Nova Conductors
Component Electronics Inc.
$3.850
$2.880
$2.500
Vyrian
VNN
Lighthouse Electronics, Inc.
TME
$4.574
NAC Semi
$5.420
IBS Electronics
$4.811
A2Z Electronics, Inc.
Electronic Expediters
Aztec Data Supply Inc.
$2.800
Argo Parts USA
Continental Prestige Electronics
$2.950
Netroflash
$2.859
$2.799
Allen Electronics Distributors
$4.450
$3.890
Neutron USA
$83.710
Perfect Parts
The black color of the actuator gives the switch a sleek and modern look, making it aesthetically pleasing.
Brass terminals provide high conductivity and durability, ensuring reliable electrical connections.
With a long electrical life of 500,000 cycles, this switch offers excellent longevity and reliability.
The high insulation resistance of 1,000,000,000 ohms ensures minimal leakage and interference in electrical circuits.
The compact body width of 8.64 inches makes this switch suitable for applications with limited space.
The short length of the bushing allows for easy installation in tight spaces.
The SPDT switch function provides versatility in controlling electrical circuits with multiple connections.
The gold over nickel plating on the end contacts offers superior corrosion resistance and conductivity.
Polyester insulators provide excellent protection against electric shock and prevent short circuits.
The low body height of 8.33 mm allows for a low profile installation in electronic devices.
With a high maximum operating temperature of 125°C, this switch can withstand harsh environments.
The maximum AC contact current of 0.25A allows for reliable switching of moderate electrical loads.
The minimum operating temperature of -40°C ensures operation in cold environments.
Gold terminal finish provides excellent conductivity and prevents oxidation for long-lasting performance.
With a 2.54mm actuator travel, this switch offers precise and responsive actuation.
Brass end contacts offer excellent conductivity and durability for reliable electrical connections.
The PCB hole count of 4 allows for secure mounting on printed circuit boards.
The small button type actuator provides easy and comfortable operation for users.
With a maximum DC contact voltage of 28V, this switch is suitable for low voltage applications.
The pushbutton switch type offers convenient operation and control of electrical circuits.
This rating allows for efficient switching of AC electrical loads up to 115V.
The gold over nickel plating on the center contacts provides reliable conductivity and corrosion resistance.
The red body color adds visibility and aesthetics to the switch, making it easily identifiable.
The 0° actuator angle allows for vertical mounting and easy operation in various orientations.
With a dielectric withstand voltage of 1000VAC, this switch offers enhanced safety in high voltage applications.
The off-(on) contact function ensures a momentary switching action for control applications.
The compact body length of 12.7 mm makes this switch suitable for space-constrained installations.
Break-before-make contact timing prevents short circuits during switching operations for added safety.
The maximum operating force of 3.61N provides tactile feedback and ensures reliable actuation.
This rating allows for efficient switching of DC electrical loads up to 28V.
Phosphor bronze center contacts provide excellent conductivity and resistance to wear.
This rating allows for efficient switching of AC electrical loads up to 220V.
The 0.2-inch actuator length provides a comfortable and responsive pushbutton operation.
The maximum DC contact current of 0.15A allows for switching of moderate DC loads.
The momentary switch action provides temporary contact closure for specific control applications.
Solder termination offers a secure and reliable connection for circuit assembly.
The low contact resistance of 25 milliohms ensures efficient electrical conduction.
The 0.25-inch bushing diameter allows for easy mounting in standard panel cutouts.
With a maximum AC contact voltage of 115V, this switch can handle moderate AC loads.
The through-hole right-angle mounting feature allows for easy and secure installation on PCBs.
The unthreaded bushing type simplifies installation without the need for additional hardware.
The 0.125-inch terminal length provides ample space for secure solder connections.
The nylon actuator material offers durability and resistance to wear and tear.
Pushbutton Switches 39-251BLK attributes and parameters. Explore more Pushbutton Switches devices from Grayhill
Angle (Actuator):
Color (Actuator):
Length (Actuator):
Material (Actuator):
Actuator Travel (mm):
Type (Actuator):
Additional Features:
Body Width:
Body Color:
Body Height:
Body Length/Diameter:
Diameter (Bushing):
Length (Bushing):
Type (Bushing):
Center Contact Material:
Center Contact Plating:
AC Maximum Rating I Load (Contact):
AC Maximum Rating R Load (Contact):
Maximum AC Contact Current:
Maximum DC Contact Current:
DC Maximum Rating R Load (Contact):
Contact Function:
Contact Resistance:
Contact Timing:
Maximum AC Contact Voltage:
Maximum DC Contact Voltage:
Dielectric Withstand Volts (V):
Electrical Life:
End Contact Material:
End Contact Plating:
Insulation Resistance:
Insulator Material:
JESD-609 Code:
Mounting Feature:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
PCB Hole Count:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Terminal Length:
Terminal Material:
Termination Type:
39-251BLK Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.90.31
SB
8536.50.90.30
Since our founding in 1943, Grayhill has been committed to providing top-quality interface solutions for a wide range of applications. We take pride in having been the first in our field to achieve ISO 9001 certification. More recently, we were among the first to be certified to the SAE AS9100 Revision D Quality Management System (QMS) for defense organizations Grayhill, Inc. designs and manufactures intuitive interface solutions that make life simpler, safer and more efficient. Standard products include the touch encoder, optical encoders and joysticks, rotary switches, keypads, and pushbuttons; all with finely tuned haptics. Grayhill specializes in creating ergonomic panels and product shells that integrate various interface technologies, including displays, touch technology, and motion sensing. We continue to build upon our history of quality innovation in the design and manufacturing of human interface devices. Grayhill has accredited laboratory capabilities and certification verifying compliance with industry standards. To achieve continuous improvement, we employ top talent in many fields, including electrical and mechanical design engineering, quality control and planning. If interested in joining our team, visit the Careers page for a listing of current openings.
LM358D-T
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LL4148
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358N
Texas Instruments
LM358N by Texas Instruments is an operational amplifier with 2 functions, offering a max input offset voltage of 9000 uV and a nominal common mode reject ratio of 85 dB. Widely used in commercial applications, it operates at temperatures ranging from 0 to 70 °C and has a unity gain bandwidth of 1000 kHz.
SS14
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM107H/883C
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Wideband: NO;
1N4148WT
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Toshiba
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Microchip Technology
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;
DS18B20U
Maxim Integrated
DS18B20U by Maxim Integrated is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
MMBT3904-7-F
Diodes Incorporated
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
STM32H753IIT6
STMicroelectronics
STM32H753IIT6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs and 2-Ch 12-Bit DACs, suitable for industrial applications requiring high-speed data processing and connectivity via CAN, ETHERNET, USB, and more.
Daco Semiconductor
Microsemi
2N7002
Supertex
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Maximum Feedback Capacitance (Crss): 5 pF;
OPA2277UA/2K5
OPA2277UA/2K5 by Texas Instruments is a dual operational amplifier with low offset voltage of 100 uV and micropower consumption of 0.004 uA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1 MHz. With a compact rectangular package style, it is suitable for surface mount designs in various electronic systems.
SMBJ18CA
Mde Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317T
Analog Devices
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; No. of Functions: 1; Package Body Material: PLASTIC/EPOXY; Surface Mount: NO;
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Motorola
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Body Material: PLASTIC/EPOXY; Qualification: Not Qualified; Minimum Operating Temperature: -55 Cel;
VAQ-4Y-K
Omron
Omron's VAQ-4Y-K pushbutton switch offers a long electrical life of 100,000 cycles. With SPDT switch function and IP00 sealing, it can handle up to 15A@250VAC for AC and 15A@8VDC for DC applications. Ideal for panel mounting in various electronic devices due to its compact size (21.9" x 18mm x 28mm) and momentary switch action.
48-1-RB-B-BK-B
Itw Switches
48-1-RB-B-BK-B by Itw Switches is a pushbutton switch with blue LED illumination, IP67 sealing, and SPST switch function. With a body height of 9.14mm and max operating temperature of 85°C, it is ideal for panel mounting applications requiring momentary switch action at a max DC contact voltage of 12V.
A3DJ-7121
PUSHBUTTON SWITCH; Manufacturer Series: A3D;
LBW6P-1T04A
Idec
PUSHBUTTON SWITCH;
TL2201EEZB1CBLK
E-switch
TL2201EEZB1CBLK by E-switch is a DPDT pushbutton switch with 10000 cycles electrical life. It features SILVER plating, PHOSPHOR BRONZE contacts, and POLYBUTYLENE housing material. Ideal for applications requiring ON-ON contact function at 30VDC and 0.1A current rating.
A165L-TGM-24D-2
Omron A165L-TGM-24D-2 is a DPDT pushbutton switch with GREEN LED illumination. It has an electrical life of 100,000 cycles and IP65 sealing for durability. Ideal for panel mounting applications in environments with temperatures ranging from -10°C to 55°C.
9095-BX
Littelfuse
PUSHBUTTON SWITCH; Manufacturer Series: 9095-BX;
EVPBB4A9B000
Panasonic
9231-BX
PUSHBUTTON SWITCH; Manufacturer Series: 9231-BX;
1977223-6
TE Connectivity
TE Connectivity 1977223-6 is a PINK SPST PUSHBUTTON SWITCH with POLYPHENYLENE SULPHIDE housing. It has an electrical life of 1M cycles, operates b/w -40 to 105 °C, and supports 0.05A@24VDC DC max rating R load. Ideal for panel mounting applications requiring momentary switch action.
F2UEE
C & K Components
F2UEE pushbutton switch by C & K Components features a DPDT switch function with SILVER end contact plating. With a POLYCARBONATE housing and BRASS terminal material, it offers an electrical life of 100000 cycles. Ideal for applications requiring a max AC contact voltage of 125VAC and DC contact current of 0.5A@30VDC, this switch is sealed at the top and bottom for enhanced durability.
XB5AW3565
Schneider Electric Sa
903
Switchcraft
PUSHBUTTON SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): PUSHBUTTON; Contact Function: ON-(ON); Terminal Material: COPPER ALLOY;
P7276122
Otto Engineering
Otto Engineering's P7276122 is a black pushbutton switch with aluminum alloy housing, IP64/IP68 sealing, and SPDT switch function. Ideal for applications requiring momentary-tactile action, it has a max AC contact current of 4A@115VAC and DC contact current of 4A@28VDC. With a compact body height of 13.58mm, it offers reliable performance in temperatures ranging from -55°C to 85°C.
1825098-2
Tyco Electronics Alcoswitch
PUSHBUTTON SWITCH; Mounting Feature: THROUGH HOLE-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): EXTENDED TYPE; Maximum Operating Temperature: 65 Cel; Maximum DC Contact Current: .02 A;
9001SKRU1
P9-113128
Otto Engineering's P9-113128 pushbutton switch has an electrical life of 25k cycles, IP64 sealing, and SPDT switch function. With a max operating force of 9.79N, it is ideal for panel mount-threaded applications requiring momentary-tactile action and gold terminal finish for reliable performance in temperatures ranging from -55 to 85°C.
103
PUSHBUTTON SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): PUSHBUTTON; Contact Function: ON-(ON); Type (Bushing): 3/8-32;
LBW6P-1T04R
1241.6824.1121000
Schurter Ag
Schurter Ag's 1241.6824.1121000 pushbutton switch has a DPST switch function with red LED illumination and 50000 cycles electrical life. It is ideal for applications requiring a max AC contact current of 12A@250VAC, quick connect termination, and panel mount-threaded mounting feature.
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39-251RED
Grayhill
PUSHBUTTON SWITCH; Mounting Feature: THROUGH HOLE-RIGHT ANGLE; Switch Function: SPDT; Type (Actuator): SMALL BUTTON TYPE; Contact Function: OFF-(ON); Maximum DC Contact Current: .15 A;
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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