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
CONNECTOR ACCESSORY; DIN Conformity: NO; MIL Conformity: YES; Shell Sizes: 1; IEC Conformity: NO; Material: CARBON STEEL;
Median Price
$21.890
Lifecycle Status
Suppliers In-Stock
50
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$16.480
100+ parts
-
1k+ parts
10k+ parts
Farnell
$17.040
$13.470
$12.930
TTI
$17.290
$13.040
$12.790
Heilind Electronics
$17.768
$14.123
TTI Europe
$17.949
$15.759
$15.148
Interstate Connecting
$18.977
$15.084
Avnet
$20.739
$17.038
$14.763
Mouser Electronics
$23.040
$19.590
PEI Genesis
$23.280
$21.340
Master Electronics
$23.340
$16.040
$15.710
Newark
$25.180
$17.840
$16.720
Element14
$27.327
$21.420
$19.649
DigiKey
$38.102
$35.862
Arrow
$25.063
Verical
Component Electronics Inc.
$9.230
$6.920
$6.000
Voyager Components
$10.150
DF Sales Co.
$14.000
Electro Enterprises
$15.864
$13.220
$11.898
$11.514
FDH Electronics
$28.275
$22.721
$21.207
$20.522
Nova Conductors
$35.390
IBS Electronics
$35.932
$23.843
$22.342
Vyrian
ICP Electronique
Bisco
American Connector Supply Corp
Dan-Mar Components
ACDS - Activité Composants Distribution Service
Manoshevitz Elec. Sales
PAR Electronics
Electronic Expediters
Prism Electronics
Van Brakel Electronic
Sunrise Surplus Inc.
Elcom Components
Mil-Aero Solutions, Inc.
R&J Components
EMSNET
Kallista Electronics Ltd
Inventory MP
Odi Ramu Company
Powertech Controls
Benchmark Connector Corporation
QIE Inc.
LWI Electronics Inc
A2Z Electronics, Inc.
Bristol Electronics
Electronics Depot
Q Components
Corohmni
$2.488
Aztec Data Supply Inc.
$6.545
Continental Prestige Electronics
$11.410
$8.400
Semicontronic
$13.660
$13.318
$13.250
Ampacity Inc.
$13.970
Bastille Electronics
$33.620
$31.497
Perfect Parts
Argo Parts USA
Speed Components Ltd (Excess)
Mil-Spec Backshells and Connector Accessories M85049/48-1-1F attributes and parameters. Explore more Mil-Spec Backshells and Connector Accessories devices from Defense Logistics Agency
Associated Military - Specifications:
Connector Accessory Type:
DIN Conformity:
IEC Conformity:
MIL Conformity:
Material:
MIL-Connector Accessory Name:
Shell Sizes:
As the nation’s combat logistics support agency, the Defense Logistics Agency manages the end-to-end global defense supply chain – from raw materials to end user disposition – for the five military services, 11 combatant commands, other federal, state and local agencies and partner and allied nations. DLA’s mission is to “deliver readiness and lethality to the Warfighter Always and support our nation through quality, proactive global logistics.” To accomplish this mission, DLA has a staff of about 25,000 employees divided into multiple supply chains that contract for material and services across the military classes of supply, to include: subsistence (food/water), clothing and textiles, bulk petroleum and other energy products, construction material and equipment, personal demand items, medical material and equipment, and repair parts for land, sea and air systems.
BAV99
Toshiba
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
C1210C104K5RACTU
KEMET Corporation
KEMET C1210C104K5RACTU is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics and ±10% tolerance, suitable for surface mount applications in a wide temperature range from -55°C to 125°C. Its compact rectangular package makes it ideal for various electronic devices.
LL4148
Microsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Won-top Electronics
BSS138PS,115
Nexperia
N-CHANNEL; Configuration: SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 2; No. of Terminals: 6; Minimum DS Breakdown Voltage: 60 V;
2N2222A
Philips Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
2N7002
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Form: GULL WING; JESD-30 Code: R-PDSO-G3;
BAV99LT1G
Onsemi
BAV99LT1G by Onsemi is a series connected diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.006 us and can handle up to 100V repetitive peak reverse voltage. Ideal for rectification applications, this diode operates b/w -65°C to 150°C temperature range.
USB2514BI-AEZG
Microchip Technology
USB2514BI-AEZG by Microchip is a BUS CONTROLLER IC with 36 terminals, operating at 3.3V, supporting I2C, SMBUS, and USB buses. It has a clock frequency of up to 24MHz and can withstand industrial temperatures from -40°C to 85°C. This chip carrier package is surface mountable and suitable for various applications requiring USB connectivity.
Infineon Technologies
LM107H
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Minimum Voltage Gain: 25000;
1N4148WT
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002-T1-E3
Vishay Intertechnology
Vishay Intertechnology's 2N7002-T1-E3 is a N-CHANNEL FET for SWITCHING applications. Features include 60V DS Breakdown Voltage, 0.115A Drain Current, and 7.5 ohm On Resistance. With ENHANCEMENT MODE operation, this GULL WING transistor is ideal for small outline surface mount designs up to 150°C.
1N4148WS
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Nte Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Transistor Application: SWITCHING; Maximum Drain Current (ID): .115 A; No. of Terminals: 3;
BSS138LT3G
BSS138LT3G by Onsemi is a N-CHANNEL FET with a min DS breakdown voltage of 50V. It is used for switching applications and has a max drain current of 0.2A and max drain-source on resistance of 3.5 ohm.
SS14
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
D38999/28-1W
Defense Logistics Agency
D38999/28-1W by Defense Logistics Agency is a Mil-Spec backshell with 9 shell sizes, MIL-C-38999 conformity, and aluminum material. It is used as a JAM NUT accessory for MIL connectors like S864 in military applications.
M39029/88-487
CONNECTOR ACCESSORY; Removal Tool Sources: MILITARY; Insertion Tool Sources: MILITARY; Material: ALUMEL; MIL-Connector Accessory Name: CONTACT; Contact Type: CRIMP REAR RELEASE;
D38999/33W13N
Spacecraft Components
CONNECTOR ACCESSORY; DIN Conformity: NO; IEC Conformity: NO; Shell Sizes: 13; Associated Military - Specifications: MIL-DTL-38999; Material: ALUMINUM ALLOY;
D38999/28-11W
D38999/28-11W by Defense Logistics Agency is a MIL-Spec backshell with shell sizes 23 and 25, made of aluminum. It conforms to MIL-C-38999 standards and includes the JAM NUT accessory S864. Ideal for military applications requiring durable connectors.
D38999/33W11N
CONNECTOR ACCESSORY; Shell Sizes: 11; Material: ALUMINUM ALLOY; IEC Conformity: NO; MIL-Connector Accessory Name: COVER ITEM; DIN Conformity: NO;
M39029/102558
Souriau
CONNECTOR ACCESSORY; Mating Contacts: M39029/103-559; Insertion Tool Sources: MILITARY; Associated Military - Specifications: MIL-C-38999; Removal Tool Sources: MILITARY; IEC Conformity: NO;
M39029/28-211
Amphenol
Amphenol's M39029/28-211 is a MIL-Spec backshell with CRIMP contact and terminal types. It operates b/w -65°C to 175°C, conforming to MIL-DTL-38999 standards. Ideal for male contacts in military applications requiring reliable crimp connections.
M39029/57-358
CONNECTOR ACCESSORY; Additional Features: STANDARD: MIL-C-38999; IEC Conformity: NO; Contact Gender: FEMALE; Associated Military - Specifications: MIL-DTL-38999; Terminal Type: CRIMP;
D38999/33Z13R
Esterline Technologies
CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CAP ITEM; Material: ALUMINUM ALLOY; DIN Conformity: NO; MIL Conformity: YES; Shell Sizes: 13;
9760-20
CONNECTOR ACCESSORY; MIL Conformity: YES; IEC Conformity: NO; MIL-Connector Accessory Name: CAP ITEM; DIN Conformity: NO; Shell Sizes: 20;
M85049/38-17W
Joslyn Sunbank Company
CONNECTOR ACCESSORY; MIL Conformity: YES; Shell Sizes: 17; IEC Conformity: NO; Associated Military - Specifications: MIL-C-38999; MIL-Connector Accessory Name: STRAIN RELIEF;
M85049/38-9N
Glenair
CONNECTOR ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; DIN Conformity: NO; Material: ALUMINIUM ALLOY; Shell Sizes: 9;
M39029/64-369
Tri-star Electronics International
CONNECTOR ACCESSORY; IEC Conformity: NO; Material: COPPER ALLOY; Terminal Type: CRIMP; MIL-Connector Accessory Name: CONTACT; Additional Features: STANDARD : MIL-C-38999;
M39029/29-213
TE Connectivity
TE Connectivity's M39029/29-213 is a Mil-Spec backshell with CRIMP terminals for 12-14 AWG wires, supporting up to 23A current. Ideal for male contacts, it offers a cross-section area of 4mm2, ensuring reliable connections in demanding applications.
M85049/52-1-12W
CONNECTOR ACCESSORY; Manufacturer Series: M85049/52-1-12W; Shell Sizes: 7, 12, 12S; MIL-Connector Accessory Name: STRAIN RELIEF; MIL Conformity: YES; Backshell Clamping: BARS/STRAPS;
MS3181-12CA
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-26482; Shell Sizes: 12; MIL Conformity: YES; MIL-Connector Accessory Name: PROTECTIVE COVER; IEC Conformity: NO;
D38999/33F21R
CONNECTOR ACCESSORY; Shell Sizes: 21; Material: ALUMINUM ALLOY; MIL-Connector Accessory Name: COVER ITEM; IEC Conformity: NO; DIN Conformity: NO;
M39029/90-529
TE Connectivity's M39029/90-529 is a CRIMP contact type backshell accessory for MIL-DTL-38999 connectors. It supports 0 AWG wire size, handles up to 46 A current, and features a straight mounting style. Ideal for power and signal applications in military environments.
M39029/57-354
CONNECTOR ACCESSORY; Insertion Tools: M81969/8-01, M81969/8-02; IEC Conformity: NO; Contact Type: CRIMP REAR RELEASE; Material: COPPER ALLOY; Mating Contacts: M39029/58-360;
D38999/33Z11N
CONNECTOR ACCESSORY; Material: ALUMINUM ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; Shell Sizes: 11; MIL-Connector Accessory Name: CAP ITEM;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
M85049/85-08W02
CIRCULAR CONN ACCESSORY; Shell Sizes: 8; 9; IEC Conformity: NO; MIL-Connector Accessory Name: BAND LOCK ADAPTER; MIL Conformity: YES; DIN Conformity: NO;
CONNECTOR ACCESSORY; MIL Conformity: YES; Material: ALUMINIUM ALLOY; Associated Backshell Military - Specifications: MIL-DTL-38999; Shell Sizes: 08; DIN Conformity: NO;
M85049/38-11W
CIRCULAR CONN ACCESSORY; DIN Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; MIL-Connector Accessory Name: STRAIN RELIEF; Material: ALUMINUM ALLOY; IEC Conformity: NO;
CONNECTOR ACCESSORY; IEC Conformity: NO; MIL Conformity: YES; DIN Conformity: NO; Material: ALUMINIUM ALLOY; Associated Military - Specifications: MIL-DTL-38999;
CONNECTOR ACCESSORY; Material: ALUMINUM; MIL-Connector Accessory: S770; MIL Conformity: YES; Shell Sizes: 11, B; Associated Military - Specifications: MIL-C-38999;
CIRCULAR CONN ACCESSORY; MIL-Connector Accessory Name: STRAIN RELIEF; DIN Conformity: NO; IEC Conformity: NO; Shell Sizes: 17; E; Associated Military - Specifications: MIL-DTL-38999;
CONNECTOR ACCESSORY; Shell Sizes: 17; Associated Military - Specifications: MIL-C-38999; MIL Conformity: YES; IEC Conformity: NO; DIN Conformity: NO;
Souriau-sunbank Connection Technologies
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-C-38999; Shell Sizes: 17; IEC Conformity: NO; DIN Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF;
CONNECTOR ACCESSORY; DIN Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; IEC Conformity: NO;
CONNECTOR ACCESSORY; IEC Conformity: NO; Shell Sizes: 17, E; MIL-Connector Accessory: S770; MIL-Connector Accessory Name: STRAIN RELIEF; Backshell Clamping: BARS/STRAPS;
M85049/38-25W
CIRCULAR CONN ACCESSORY; MIL-Connector Accessory Name: STRAIN RELIEF; Shell Sizes: 25; J; IEC Conformity: NO; DIN Conformity: NO; MIL Conformity: YES;
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-C-38999; MIL-Connector Accessory Name: STRAIN RELIEF; MIL Conformity: YES; MIL-Connector Accessory: S770; Material: ALUMINUM;
CONNECTOR ACCESSORY; Shell Sizes: 25; IEC Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF; Associated Military - Specifications: MIL-C-38999; DIN Conformity: NO;
CONNECTOR ACCESSORY; DIN Conformity: NO; Shell Sizes: 25; Associated Military - Specifications: MIL-DTL-38999; IEC Conformity: NO; MIL Conformity: YES;
CONNECTOR ACCESSORY; IEC Conformity: NO; Shell Sizes: 25; MIL-Connector Accessory Name: STRAIN RELIEF; DIN Conformity: NO; Associated Military - Specifications: MIL-C-38999;
CONNECTOR ACCESSORY; IEC Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF; DIN Conformity: NO; MIL Conformity: YES; Associated Military - Specifications: MIL-C-38999;
M85049/38-13W
CIRCULAR CONN ACCESSORY; Shell Sizes: 13; C; MIL-Connector Accessory Name: STRAIN RELIEF; IEC Conformity: NO; MIL Conformity: YES; DIN Conformity: NO;
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-C-38999; MIL-Connector Accessory Name: STRAIN RELIEF; Shell Sizes: 13, C; Material: ALUMINUM; National Stock Number (NSN): 5935012202040;
CONNECTOR ACCESSORY; MIL Conformity: YES; IEC Conformity: NO; DIN Conformity: NO; Shell Sizes: 13; MIL-Connector Accessory Name: CABLE CLAMP;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved