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
RF N CONNECTOR; Option: GENERAL PURPOSE; Reliability: MIL-C-39012; Contact Gender: FEMALE; MIL Conformity: YES; No. of Ports: 1;
Median Price
$76.175
Lifecycle Status
Suppliers In-Stock
18
In-Stock Inventory
1k+
TTI
1+ parts
$50.710
100+ parts
$42.260
1k+ parts
$36.980
10k+ parts
-
AE Petsche
Verical
$47.609
Nova Conductors
$50.783
Vyrian
Microwave Components, LLC
R&J Components
American Connector Supply Corp
LWI Electronics Inc
Speed Components Ltd
Odi Ramu Company
NAC Semi
Eastern End Electronics, LLC
Prism Electronics
Bristol Electronics
Resion
MISTER SPROCKETS
Van Brakel Electronic
Aztec Data Supply Inc.
$8.498
Continental Prestige Electronics
$13.950
$13.671
Corohmni
$35.125
Advanced Electronics
$36.179
$34.370
Aranea Global
$49.768
$47.777
Gateway Technologies
$45.197
Singapore Electronics
$55.861
$51.950
$49.716
$47.481
Authorized Procurement Solutions
Argo Parts USA
Modulus Dynamics
Robosynatics
$0.026
Lucentia Tech
N-Type Connectors M39012/04-0002 attributes and parameters. Explore more N-Type Connectors devices from Winchester Interconnect
Body Depth:
Body or Shell Style:
Characteristic Impedance:
Connector Type:
Mating Contact Finish:
Termination Contact Finish:
Contact Gender:
Contact Style:
Coupling Type:
DIN Conformance:
IEC Conformity:
Insulator Material:
JESD-609 Code:
MIL Conformity:
Manufacturer Series:
Mounting Option-1:
Mounting Style:
Mounting Type:
No. of Ports:
Maximum Operating Frequency:
Option:
Panel Mount:
Reliability:
Shell Finish:
Shell Material:
Sub-Category:
Termination Type:
Total No. of Contacts:
M39012/04-0002 Connectors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.69.40.10
SB
At Winchester, we understand the mission-critical nature of your work and the performance-driven requirements of your applications. Our team works relentlessly to ensure that the connectors, cables, and cable assemblies we deliver are worthy of your designs. Our multi-disciplinary experts combine deep industry and interconnect experience, while leveraging the latest design and simulation tools. We specialize in quickly understanding technical requirements and collaborating directly with your engineers to develop solutions for real-world connectivity challenges. Winchester is trusted by world-class organizations across the globe to solve their most difficult connectivity problems. By bringing systems to life with power and data, we’re committed to helping make the world better, safer, healthier and more connected.
BAV99
Motorola
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
LM358AN
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM358ADR
Texas Instruments
LM358ADR by Texas Instruments is an operational amplifier with 2 functions, featuring a max input offset voltage of 5000 uV and nominal voltage of 5V. Widely used in applications requiring high voltage gain, it operates within a temperature range of 0-70°C and offers frequency compensation for stability.
MBRM140T1G
Onsemi
MBRM140T1G by Onsemi is a Schottky rectifier diode with 40V max repetitive peak reverse voltage, 1A max output current, and 0.3V max forward voltage. It is used in applications requiring small outline surface mount diodes for efficient power management.
1N4148WS
General Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CN
Fairchild Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
LM358M
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
2N7002
Jiangsu Changjiang Electronics Technology
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Operating Mode: ENHANCEMENT MODE; Transistor Application: SWITCHING;
2N2222A
Gec Plessey 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;
BSS138
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Feedback Capacitance (Crss): 10 pF; JEDEC-95 Code: TO-236AB;
1N4148
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
EU2B-YS3103F
Idec
ROTARY SWITCH;
LAN8720AI-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
Shandong Yiguang Electronic Joint Stock
AH180-WG-7
Diodes Incorporated
AH180-WG-7 by Diodes Inc. is a magnetic field sensor with 1.5mT hysteresis, 0.30V output range, and 9mA max operating current. Ideal for applications requiring non-inverting analog voltage output in a compact rectangular package suitable for surface mount installations.
SMBJ18CA
Littelfuse
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/56-351
Amphenol
CONNECTOR ACCESSORY; Minimum Operating Temperature: -65 Cel; Additional Features: STANDARD: MIL-DTL-38999; Contact Gender: FEMALE; MIL-Connector Accessory Name: CONTACT; Associated Military - Specifications: MIL-DTL-38999;
LM107H
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Maximum Bias Current (IIB) @25C: .075 uA;
LM358N
Intersil
172102H243RP
Amphenol's 172102H243RP is an N-Type Connector with 0.827" body diameter, PTFE insulator, and brass shell. Ideal for RF applications using Belden 9913 cable, it features crimp termination, female contact gender, and straight plug style for reliable commercial use.
1057243-1
TE Connectivity
TE Connectivity's 1057243-1 N-Type Connector features a 0.825" body diameter and 50 ohm characteristic impedance. With TFE insulator material, it operates from -65 to 165°C, making it ideal for RF applications up to 11 GHz with RG-141/U cables.
EZ-400-NMH-X
Times Microwave Systems
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: MALE; Insulator Material: POLYTETRAFLUOROETHYLENE; Filter Feature: NO; Characteristic Impedance: 50 ohm;
225389-2
The TE Connectivity 225389-2 is an N-Type Connector with 50 ohm impedance, 0.3 dB insertion loss, and 1.5 VSWR. Ideal for RF applications up to 11 GHz, it features a threaded coupling type and PTFE insulator material. With durability of 500 cycles, it is commonly used in commercial settings for cable termination at temperatures ranging from -65 to 165°C.
FLLCXCON-N-FE
Phoenix Contact
RF N CONNECTOR; Contact Material: NOT SPECIFIED; Termination Contact Finish: NOT APPLICABLE; Mating Contact Finish: NOT SPECIFIED;
172117-30
Amphenol's 172117-30 is an N-Type RF connector with 0.737" body depth, PTFE insulator, brass shell, and coax contact style. Ideal for commercial applications requiring a straight receptacle mounting style with locking option for reliable connections.
R161022000
Radiall S A
Radiall S A R161022000 is an N-Type Connector with 0.17 dB Insertion Loss, 1.2 VSWR, and 50 ohm Impedance. Ideal for RF applications up to 11 GHz, featuring GOLD OVER NICKEL Termination and POLYTETRAFLUOROETHYLENE Insulator for reliable performance in cable installations.
R161277000
Radiall S A R161277000 N-Type Connector features 0.17 dB insertion loss, 1.08 VSWR, and 11 GHz max operating frequency. Ideal for RF applications requiring threaded coupling, gold termination finish with nickel barrier, and 50 ohm impedance. Suitable for panel mount installations with MIL conformity.
1057289-1
TE Connectivity's 1057289-1 N-Type Connector features an Insulation Resistance of 5x10^9 ohm, Insertion Loss of 0.23 dB, and a Max Operating Frequency of 11 GHz. Ideal for RF applications, this threaded connector has a characteristic impedance of 50 ohm and is made with stainless steel shell material.
82-5373
Amphenol 82-5373 is an N-Type Connector with 0.15 dB Insertion Loss, 3500VAC Dielectric Withstanding Voltage, and 1.3 VSWR. Ideal for RF applications up to 11 GHz, it features a threaded coupling type, silver contact finish, and PTFE insulator material for reliable performance in commercial settings.
1-1478420-0
TE Connectivity 1-1478420-0 is an N-Type RF connector with threaded coupling, PTFE insulator, and 50 ohm impedance. Ideal for applications requiring a male plug connector with solder termination, suitable for frequencies up to 11 GHz in cable mounting setups.
M39012/04-0001
Winchester Interconnect
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Filter Feature: NO; Insulator Material: POLYTETRAFLUOROETHYLENE; No. of Ports: 1;
138-4408-007
Cinch Connectivity Solutions
RF N CONNECTOR; Reliability: COMMERCIAL; Dielectric Withstanding Voltage (V): 1400VAC; Contact Style: COAX; No. of Ports: 1; Total No. of Contacts: 1;
R161187000W
R161187000W by Radiall S A is an N-Type Connector with 0.33 dB Insertion Loss, 50 ohm Impedance, and POLYTETRAFLUOROETHYLENE Insulator. Ideal for RF applications up to 11 GHz, it features a threaded coupling type and crimp termination for male connectors on cables.
R161.220.000
R161.220.000 by Radiall S A is an N-Type Connector with 0.748" body diameter, 5000000000 ohm insulation resistance, and 0.16 dB insertion loss. Ideal for RF applications up to 11 GHz, it features gold-plated contacts, PTFE insulator, and brass shell for durability in commercial settings.
138-4404-007
Bel Fuse
Bel Fuse's 138-4404-007 N-Type Connector features 5000000000 ohm Insulation Resistance, 0.15 dB Insertion Loss, and 1050VAC Dielectric Withstanding Voltage. Ideal for RF applications with RG-316 cables, it offers a durable design with 500 cycles and operates b/w -65 to 165 °C.
172133-11
Amphenol 172133-11 is an RF N connector with gold shell finish and PTFE insulator. It is a male plug connector for commercial applications, featuring brass shell material and solder termination. Ideal for panel mounting in straight configuration, offering reliable coaxial connection with locking option.
16_N-50-3-15/133_NE
Huber+suhner Ag
16_N-50-3-15/133_NE by Huber+suhner Ag is an RF N CONNECTOR with a characteristic impedance of 50 ohm. It features gold (Au) termination contact finish with nickel (Ni) barrier, and brass shell material. This threaded connector has a max operating frequency of 11 GHz and is suitable for commercial applications requiring durability and reliability.
082-5375-RFX
Amphenol 082-5375-RFX is an N-Type Connector with 0.827" body diameter, 5000000000 ohm insulation resistance, and 0.15 dB insertion loss. Ideal for RF applications up to 11 GHz, it features gold termination contact finish, PTFE insulator material, and a threaded coupling type.
1203-14-9
RF N CONNECTOR; Option: GENERAL PURPOSE; Manufacturer Series: 1203-14-9; Body or Shell Style: JACK; JESD-609 Code: e4; MIL Conformity: NO;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
M39012/04-0002
Kings Electronics
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Insulator Material: POLYTETRAFLUOROETHYLENE; Coupling Type: THREADED; Body or Shell Style: RECEPTACLE;
Delta Electronics Manufacturing
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Maximum Operating Frequency: 11 GHz; Mounting Style: STRAIGHT; Insulator Material: POLYTETRAFLUOROETHYLENE;
Amphenol's M39012/04-0002 N-Type Connector features 0.15 dB insertion loss, 1.3 VSWR, and 50 ohm impedance. Ideal for RF applications up to 11 GHz, it is a MIL-compliant threaded connector with PTFE insulator and solder termination.
M39012/02-0006
M39012/02-0006 by Winchester Interconnect is an N-Type Connector with threaded coupling, 50 ohm impedance, and max frequency of 11 GHz. Ideal for RG-8,9,213 214/U cables, it features a 0.66" body depth and PTFE insulator. Suitable for panel mounting in RF applications.
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Filter Feature: NO; Characteristic Impedance: 50 ohm; Insertion Loss: .15 dB;
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Insulator Material: POLYTETRAFLUOROETHYLENE; Mounting Type: CABLE AND PANEL; Maximum Operating Frequency: 11 GHz;
RF N CONNECTOR; Option: HERMETIC; Contact Gender: FEMALE; Insertion Loss: .15 dB; Characteristic Impedance: 50 ohm; Coupling Type: THREADED;
RF N CONNECTOR; Option: HERMETIC; Contact Gender: FEMALE; Termination Type: SOLDER; MIL Conformity: YES; IEC Conformity: NO;
Amphenol's M39012/04-0001 N-Type Connector features 0.15 dB insertion loss, 1.3 VSWR, and 50 ohm impedance. Ideal for RF applications up to 11 GHz, it is a threaded coupling type with PTFE insulator for hermetic sealing in cable and panel mounting configurations.
M39012/02-0503
M39012/02-0503 by Kings Electronics is an N-Type Connector with 0.15 dB Insertion Loss, 1.3 VSWR, and 11 GHz Operating Frequency. It is ideal for RF applications requiring threaded coupling, PTFE insulator, and 50 ohm impedance. Suitable for cable mounting with crimp termination, this connector features a female contact in a straight jack style.
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; DIN Conformance: NO; Termination Type: CRIMP; Mounting Style: STRAIGHT;
M39012/02-0501
M39012/02-0501 by Winchester Interconnect is an RF N connector with threaded coupling, gold finish, and 50 ohm impedance. It features a PTFE insulator and crimp termination for MIL conformity. Ideal for applications requiring high-frequency transmission up to 11 GHz on cables.
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; DIN Conformance: NO; Coupling Type: THREADED; Panel Mount: NO;
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Termination Type: CRIMP; Filter Feature: NO; Maximum Operating Frequency: 11 GHz;
M39012/02-0511
Delta M39012/02-0511 N-Type Connector features threaded coupling, PTFE insulator, 50 ohm impedance. Ideal for RF applications up to 11 GHz with panel and cable mounting options. MIL compliant for rugged environments.
M39012/02-0003
M39012/02-0003 by Winchester Interconnect is an RF N CONNECTOR with 1.58" body depth, MIL-C-39012 reliability, and RG-8 cable compatibility. It features a JACK shell style, COAX contact style, and STRAIGHT mounting for locking applications in military conforming setups.
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Characteristic Impedance: 50 ohm; Body or Shell Style: JACK; IEC Conformity: NO;
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; DIN Conformance: NO; Termination Type: CLAMP; IEC Conformity: NO;
M39012/02B0008
RF N CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; No. of Connectors: ONE; No. of Ports: 1; IEC Conformity: NO;
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