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
Johanson Technology's 5515BP15B725 is a Ceramic BPF filter with fo/fc at 5512.5 MHz and max insertion loss of 1.5 dB. Operating temp ranges from -40 to 85 °C, making it ideal for surface mount applications in RF circuits. Dimensions: L2.0xB1.25xH0.85 mm (L0.079xB0.049xH0.033 inch).
Median Price
-
Lifecycle Status
Suppliers In-Stock
5
In-Stock Inventory
1k+
Component Sense
1+ parts
100+ parts
1k+ parts
10k+ parts
Nova Conductors
Vyrian
Bristol Electronics
Prism Electronics
AZTECH Wire
$10.712
Argo Parts USA
Continental Prestige Electronics
Bastille Electronics
Perfect Parts
Ceramic material ensures durability and stability for long-term use.
Can withstand high temperatures, making it suitable for various environments.
Offers reliable performance even in extreme cold conditions.
Compact size allows for easy integration into different systems.
Provides efficient signal transmission with minimal loss.
Ideal for filtering signals at a specific frequency, ensuring accurate signal processing.
Compact design saves space and allows for flexible installation options.
Can be easily mounted on surfaces, simplifying the installation process.
Versatile size that fits various applications and equipment.
Low profile construction enables installation in space-constrained environments.
Ceramic Filters 5515BP15B725 attributes and parameters. Explore more Ceramic Filters devices from Johanson Technology
Additional Features:
Center/Cutoff Frequency (fo/fc):
Filter Type:
Height:
Maximum Insertion Loss:
Length:
Mounting Type:
Maximum Operating Temperature:
Minimum Operating Temperature:
Dimensions:
Width (mm):
5515BP15B725 Filters trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
Johanson Technology Incorporated is located in Camarillo, California, and has over twenty five years experience specializing in the design and manufacture of high quality RF & Microwave ceramic chip capacitors, inductors and integrated passives. JTI previously operated as the Special Products Group of Johanson Dielectrics and in 1993 was separately incorporated to consistently focus our high frequency expertise in meeting customer needs for specialized and custom ceramic capacitor products as well as embark on research and development of new passive ceramic components for the wireless market sector. Our new design and manufacturing facility employs state of the art equipment and practices. Continuous improvement is our quality philosophy, all employees participate in quality awareness and SPC training classes,and our quality system is certified to ISO 9001. The latest statistical process control system is utilized throughout our entire manufacturing process. Critical processing operations are performed in controlled atmospheric environments. Johanson Technology is committed to making products of the highest quality, performance, and value, and stands ready to be your technology partner.
LM358MX
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
2N7002
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
LM78L05ACMX/NOPB
Texas Instruments
LM78L05ACMX/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 0.1A. It operates b/w 0-125°C, has a dropout voltage of 1.6V, and can handle input voltages up to 30V making it ideal for various electronic applications requiring stable power supply.
ISO1050DUBR
ISO1050DUBR by Texas Instruments is a network interface IC with 8 terminals, operating from -55 to 105°C. It features a small outline package, nickel palladium gold finish, and gull wing terminal form. Ideal for telecom applications requiring a 5V supply voltage and peak reflow temperature of 260°C.
1N4148WS
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Jiangsu Changjiang Electronics Technology
M39029/56351
Esterline Technologies
CONNECTOR ACCESSORY; IEC Conformity: NO; Contact Gender: FEMALE; DIN Conformity: NO; MIL-Connector Accessory Name: CONTACT; Tool Settings: M22520/2-10;
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Jgd Semiconductors
RECTIFIER DIODE; Surface Mount: YES; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; Maximum Forward Voltage (VF): 1 V; Maximum Operating Temperature: 150 Cel;
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN-2803A
Sprague Electric
BUFFER OR INVERTER BASED PERIPHERAL DRIVER; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 18; Package Code: DIP; Package Shape: RECTANGULAR;
BSS138LT1G
BSS138LT1G by Onsemi is a N-CHANNEL FET with 50V DS Breakdown Voltage, 0.2A Drain Current, and 3.5 ohm On Resistance. Ideal for SWITCHING applications due to its ENHANCEMENT MODE operation and built-in DIODE. Operates b/w -55 to 150 °C with small outline package style for surface mount assembly.
TM4C1294NCPDTI3
TM4C1294NCPDTI3 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU family. It features 8KB data EEPROM, 20-Ch 12-Bit ADC channels, and 32 DMA channels. Ideal for industrial applications requiring high-speed processing, it offers connectivity options like CAN, Ethernet, I2C, SPI, UART, and USB.
LM317BD2TG
LM317BD2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max load regulation of 5.8%. Operating temperature ranges from -40 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact designs.
M39029/56-351
Carlisle Interconnect Technologies
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Type: CRIMP; Removal Tools: M81969/8-06, M81969/14-02; IEC Conformity: NO; Contact Gender: FEMALE;
LM555CN
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
AMS1117-3.3
Advanced Monolithic Systems
AMS1117-3.3 by Advanced Monolithic Systems is a fixed positive single output LDO regulator with 1A max output current, 3% voltage tolerance, and 1.3V dropout voltage. Ideal for applications requiring stable 3.3V supply in compact designs due to its small outline package and excellent load regulation of 0.025%.
RC0603FR-071KL
Yageo
Yageo's RC0603FR-071KL is a fixed resistor with 1000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in electronics, it operates b/w -55 to 155 °C with a temperature coefficient of 100 ppm/°C.
LFCN-120
Mini-circuits
LFCN-120 by Mini-circuits is a Ceramic LPF filter with 4 terminals, offering attenuation up to 40 dB at 105 MHz. With a center frequency of 195 MHz and VSWR of 1.2, it's ideal for RF applications requiring precise filtering in compact spaces. Operating from -55°C to 100°C, this surface-mount filter has dimensions of L3.2xB1.6xH0.94 mm and can handle an average input power of 8.5 W efficiently.
HFCN-2700
The Mini-circuits HFCN-2700 is a Ceramic HPF filter with 4 terminals, attaining 40 dB attenuation at 1 MHz. With a center frequency of 2500 MHz and VSWR of 1.5, it's ideal for RF applications requiring high-frequency filtering in a compact surface-mount design.
LFCN-1200
LFCN-1200 by Mini-circuits is a Ceramic LPF filter with 4 terminals, offering attenuation up to 30 dB at 470 MHz. With a center frequency of 1530 MHz and VSWR of 1.2, it's ideal for RF applications requiring surface mount filters with an impedance of 50 ohms.
CFWM455FY
Golledge Electronics
CERAMIC BPF; Mounting Type: THROUGH HOLE MOUNT; Width (mm): 6.5; Dimensions: L9.5XB6.5XH6.3 (mm)/L0.374XB0.256XH0.248 (inch); Manufacturer Series: CFWM; Attenuation At Minimum Frequency: 6 dB;
CFUCG455KF4X-R0
Murata Manufacturing
Murata Manufacturing's CFUCG455KF4X-R0 is a Ceramic BPF filter with 6 dB max insertion loss and 0.455 MHz center frequency. Operating b/w -20°C to 80°C, it has a compact size of L6xB4xH7.5 mm for surface mount applications with 1500 Ohm impedance.
LFCN-800D
LFCN-800D by Mini-circuits is a ceramic LPF filter with 4 terminals. It has a center frequency of 990 MHz and an attenuation of 30 dB at its max frequency. This surface mount filter is commonly used in applications requiring a cutoff frequency of 410000 kHz and an I/O impedance of 50 Ω.
7000BP15A1600E-AEC
Johanson Dielectrics
CERAMIC BPF; Minimum Operating Temperature: -40 Cel; Terminal Finish: Matte Tin (Sn) - with Nickel (Ni) barrier; JESD-609 Code: e3; Packing Method: TR; Maximum No. of Sections: 1;
FI168B24956D-T
Taiyo Yuden
CERAMIC BPF; Manufacturer Series: FI;
4700BP15A0600E
Johanson Technology
4700BP15A0600E by Johanson Technology is a Ceramic BPF filter with a center frequency of 4700 MHz, 0.9 dB insertion loss, and 3W power rating. It operates b/w -40°C to 85°C, ideal for surface mount applications in RF circuits requiring a compact design.
SFECV10M7FA00-R0
Murata's SFECV10M7FA00-R0 is a Ceramic BPF filter with 3dB insertion loss at 10.7 MHz. With dimensions of L6.9xB2.9xH1.5 mm, it has a terminal finish of Silver (Ag) and an I/O impedance of 330Ω. Ideal for surface mount applications in RF circuits for signal filtering and noise suppression.
CDB455C16
Murata Manufacturing's CDB455C16 is a Ceramic BPF filter with 0.455 MHz center frequency, -20 to 80°C operating range, and dimensions of L7xB3.5xH9 mm. Ideal for through-hole mounting applications in various electronic devices requiring precise signal filtering capabilities.
LFCN-1700D
LFCN-1700D by Mini-circuits is a Ceramic LPF filter with 4 terminals, offering attenuation up to 30 dB at 4450 kHz. With a center frequency of 2050 MHz and VSWR of 1.2, it's ideal for RF applications requiring high performance in a compact surface mount package. Operating from -55°C to 100°C, this filter has low insertion loss of 3 dB and can handle an average input power of 10 W.
LFCN-3800+
LFCN-3800+ by Mini-circuits is a Ceramic LPF filter with 30 dB attenuation at max frequency of 3450 MHz. With 1.6mm width and 3dB max insertion loss, it's ideal for RF applications requiring precise filtering at frequencies up to 1150000 kHz. Operating b/w -55°C to 100°C, it offers low VSWR of 1.3 for optimal performance in a compact size of L3.2xB1.6xH0.94 mm.
LFCN-1200+
LFCN-1200+ by Mini-circuits is a Ceramic LPF filter with a center frequency of 1530 MHz and max insertion loss of 1 dB. With an operating temperature range from -55 to 100°C, it's ideal for RF applications requiring low-pass filtering in the 50 Ohm impedance range.
LFCN-80+
LFCN-80+ by Mini-circuits is a ceramic LPF filter with a center frequency of 145 MHz and attenuation of 20 dB at min frequency and 40 dB at max frequency. It is used in applications requiring surface mount filters with a wide operating temperature range (-55 to 100 °C) and low insertion loss (3 dB).
CDSCB10M7GA119-R0
Murata Manufacturing's CDSCB10M7GA119-R0 is a Ceramic BPF filter with 2 terminals, measuring L4.5xB2.0xH1.0 mm. It operates at 10.7 MHz and is ideal for surface mount applications in electronic devices requiring precise frequency filtering capabilities.
HFCN-880D+
The Mini-circuits HFCN-880D+ is a Ceramic HPF filter with 40 dB attenuation at 380 MHz. With a VSWR of 1.5, it operates b/w -55°C to 100°C and has a max insertion loss of 3 dB. Ideal for RF applications requiring high-frequency filtering in compact spaces.
LFCG-92+
LFCG-92+ by Mini-circuits is a Ceramic LPF filter with a center frequency of 495 MHz and 50 OHM impedance. It features Tin (Sn) finish with Nickel (Ni) barrier, suitable for surface mount applications. Its compact dimensions make it ideal for RF signal filtering in small electronic devices.
B096QC2S
Knowles Precision Devices
B096QC2S by Knowles Precision Devices is a Ceramic BPF filter with 3dB max insertion loss, 10,000 MHz center frequency, and -55 to 125°C operating temperature range. Ideal for surface mount applications in need of a compact (4.57mm x 10.86mm x 2.54mm) ceramic filter with 50Ω impedance.
SFSRA6M00DF00-B0
Murata Manufacturing's SFSRA6M00DF00-B0 is a Ceramic BPF filter with 20 dB attenuation at 6 MHz. Featuring 6 dB max insertion loss, it has dimensions of L10xB4xH7 mm and I/O impedance of 470 OHM. Ideal for applications requiring precise filtering at high frequencies.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
5515BP15B725E/PB
CERAMIC BPF; Minimum Operating Temperature: -40 Cel; Packing Method: TR; Length: 2 mm; Mounting Type: SURFACE MOUNT; Width (mm): 1.25;
5515BP15B725E
CERAMIC BPF; Mounting Type: SURFACE MOUNT; Center/Cutoff Frequency (fo/fc): 5512.5 MHz; Packing Method: TR; Maximum No. of Sections: 1; Minimum Operating Temperature: -40 Cel;
5515BP15B725S/PB
CERAMIC BPF; Minimum No. of Sections: 1; Maximum Insertion Loss: 1.5 dB; Width (mm): 1.25; Mounting Type: SURFACE MOUNT; Center/Cutoff Frequency (fo/fc): 5512.5 MHz;
5515BP15B975E
CERAMIC BPF; Minimum Operating Temperature: -40 Cel; Dimensions: L2.0XB1.25XH0.95 (mm)/L0.079XB0.049XH0.037 (inch); I/O Impedance: 50 OHM; Average Input Power: 2 W; Length: 2 mm;
5515BP15C1020E
CERAMIC BPF; Height: .95 mm; Maximum Operating Temperature: 85 Cel; Center/Cutoff Frequency (fo/fc): 5500 MHz; Maximum No. of Sections: 1; Average Input Power: 2 W;
5515BP15C1020S
CERAMIC BPF; Mounting Type: SURFACE MOUNT; Minimum Operating Temperature: -40 Cel; Maximum Operating Temperature: 85 Cel; Average Input Power: .5 W; Width (mm): 1.25;
5515BP15B730
CERAMIC BPF; Minimum Operating Temperature: -40 Cel; Maximum Operating Temperature: 85 Cel; Maximum Insertion Loss: 2.8 dB; Dimensions: L2.0XB1.25XH0.85 (mm)/L0.079XB0.049XH0.033 (inch); Mounting Type: SURFACE MOUNT;
5515BP15C725
CERAMIC BPF; Additional Features: TAPE AND REEL; Length: 2 mm; Maximum Operating Temperature: 85 Cel; Manufacturer Series: 5515BP15C725; Mounting Type: SURFACE MOUNT;
5515BP15B975
CERAMIC BPF; Maximum Insertion Loss: 1.5 dB; Minimum Operating Temperature: -40 Cel; Mounting Type: SURFACE MOUNT; Dimensions: L2.0XB1.25XH0.95 (mm)/L0.079XB0.049XH0.037 (inch); Center/Cutoff Frequency (fo/fc): 5387.5 MHz;
5515BP15C975
CERAMIC BPF; Center/Cutoff Frequency (fo/fc): 5387.5 MHz; Minimum Operating Temperature: -40 Cel; Maximum Attenuation Frequency (± Δf): 1387500 kHz; I/O Impedance: 50 OHM; Width (mm): 1.25;
5515BP15C1020
CERAMIC BPF; Average Input Power: .5 W; Height: .9 mm; Maximum Insertion Loss: 1.5 dB; Center/Cutoff Frequency (fo/fc): 5410 MHz; Length: 2 mm;
5515BP15C975E
CERAMIC BPF; No. of Terminals: 4; I/O Impedance: 50 OHM; Center/Cutoff Frequency (fo/fc): 5387.5 MHz; Mounting Type: SURFACE MOUNT; Width (mm): 1.25;
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