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
Vishay Intertechnology's MMSZ4692-E3-18 Zener Diode has a nominal reference voltage of 6.8V, max power dissipation of 0.5W, and operates in temperatures ranging from -55 to 150°C. Ideal for applications requiring precise voltage regulation in compact electronic devices.
Median Price
$0.055
Lifecycle Status
Suppliers In-Stock
2
In-Stock Inventory
1k+
Nova Conductors
1+ parts
100+ parts
-
1k+ parts
10k+ parts
Vyrian
Argo Parts USA
$0.053
Continental Prestige Electronics
$0.054
Netroflash
$0.052
$0.051
Ampacity Inc.
$2.010
AZTECH Wire
$5.736
QUARKTWIN TECHNOLOGY LTD
This material is durable and resistant to environmental factors, making the product long-lasting.
Single configuration makes it easy to use and install, perfect for various applications.
Low test current ensures minimal power consumption, making it energy-efficient.
Surface mount capability allows for easy installation on PCBs, saving space and time.
Rectangular shape provides stability and ease of placement in circuit designs.
Having 2 terminals simplifies the wiring process, enhancing overall efficiency.
Small outline package style minimizes space usage, ideal for compact designs.
High tolerance ensures reliable performance and accuracy in voltage regulation.
With a high operating temperature range, the product is suitable for a wide range of environments.
Low minimum operating temperature allows for use in extreme cold conditions.
Matte tin finish provides excellent solderability and conductivity.
Dual terminal position offers versatility and ease of connection to circuits.
High power dissipation capacity allows for handling of heavy loads without overheating.
Being a Zener diode, this product is designed for precise voltage regulation and protection.
A nominal reference voltage of 6.8 V ensures accurate and stable voltage output.
Zener technology ensures reliable voltage regulation and protection in various electronic circuits.
Gull wing terminal form facilitates easy installation and soldering on PCBs.
Unidirectional polarity ensures consistent and reliable current flow in one direction.
Silicon material in the diode element provides excellent electrical and thermal properties for efficient performance and durability.
Zener Diodes MMSZ4692-E3-18 attributes and parameters. Explore more Zener Diodes devices from Vishay Intertechnology
Config:
Diode Element Material:
Diode Type:
JESD-30 Code:
JESD-609 Code:
Moisture Sensitivity Level (MSL):
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Polarity:
Maximum Power Dissipation:
Nominal Reference Voltage:
Sub-Category:
Surface Mount:
Technology:
Terminal Finish:
Terminal Form:
Terminal Position:
Maximum Voltage Tolerance:
Working Test Current:
MMSZ4692-E3-18 Diodes trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.10.00.50
SB
PCN Design/Specification - PCN-DD-005-2023-REV-0 3-30-23
Vishay Intertechnology, Inc. is a renowned American manufacturer of discrete semiconductors and passive electronic components that have been used in many consumer products and industrial applications worldwide. Founded by Polish-born businessman Felix Zandman in 1962, Vishay has grown to become one of the world's largest manufacturers of these components, with a strong presence in every major market around the globe. The company also offers value-added solutions such as its patented passive components, replacing a number of legacy parts with more reliable, cost effective solutions.
Executive Chairman of the Board, Chief Business Development Officer
Marc Zandman
Chief Executive Officer, President, and Director
Joel Smejkal
Executive Vice President and Chief Financial Officer
Lori Lipcaman
Itzehoe - Fab Phase 1
Fabrication
Fab Initiation
2025
Germany
Itzehoe
Wafer Capacity
US - Fab 3
1986
USA
Santa Clara
24,500
US - Fab 2
1972
8,000
Austria
1984
Vöcklabruck
25,000
Taiwan
1967
Hsintien
12,000
Italy - Fab 8
1961
Canada
Torino
15,000
Israel
2000
Yokneam Illit
400
2N7002
Kec
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Transistor Application: SWITCHING; Package Body Material: PLASTIC/EPOXY;
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.
SS14
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Changzhou Galaxy Century Microelectronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MBRS130LT3G
Onsemi
MBRS130LT3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.445V. It operates b/w -65 to 125°C, has a reverse test voltage of 30V, and is ideal for power applications due to its small outline package style.
BAV99
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM7805CT
National Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
MBR0530T1G
MBR0530T1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.375V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring high-speed switching in compact electronic devices like smartphones and tablets. The package style is small outline with gull wing terminals for surface mount assembly.
MBR0520LT3G
MBR0520LT3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, ideal for applications requiring high-speed switching and low power loss in compact electronic devices. The package style is small outline, making it suitable for surface mount designs in various electronics.
BAV99W-7-F
Diodes Incorporated
Diodes Incorporated BAV99W-7-F is a fast recovery rectifier diode with 2 elements in series connected, center tap configuration. It has a max reverse recovery time of 0.004 us and can handle a max output current of 0.15 A. Ideal for applications requiring fast switching capabilities and operating temperatures ranging from -65 to 150 °C.
M39029/58-360
TE Connectivity
TE Connectivity's M39029/58-360 is a CRIMP terminal backshell for 22-28 AWG wires, rated at 5A. Ideal for male contacts in Mil-Spec applications, it offers a cross-section area of 0.34 mm2 and ensures secure connections in demanding environments.
SMMBT3904LT1G
SMMBT3904LT1G by Onsemi is a NPN BJT with 3 terminals, 0.3W power dissipation, and 40V max collector-emitter voltage. Ideal for small outline applications requiring a transistor with hFE of at least 30, it operates up to 150°C and has a transition frequency of 300MHz.
MMBT2907ALT1G
MMBT2907ALT1G by Onsemi is a PNP BJT transistor with 100 min hFE, 60V VCEO, and 200MHz fT. Ideal for switching applications, it has a small outline package with Gull Wing terminals and can handle up to 0.6A of collector current.
1N4148
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Config: SINGLE; No. of Phases: 1; No. of Elements: 1;
Weitron Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; Maximum Output Current: .215 A; JESD-609 Code: e0; Maximum Forward Voltage (VF): .715 V;
LM555CMX
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Zowie Technology
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Operating Temperature: 125 Cel; No. of Elements: 1; Maximum Non Repetitive Peak Forward Current: 30 A;
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Non Repetitive Peak Forward Current: 40 A; Technology: SCHOTTKY; No. of Elements: 1;
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.
Forward International Electronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Maximum Operating Temperature: 200 Cel; No. of Phases: 1;
SZMM3Z5V1T1G
Nexperia
ZENER DIODE; Terminal Finish: TIN; Reference Standard: AEC-Q101; JESD-609 Code: e3; Moisture Sensitivity Level (MSL): 1; Maximum Time At Peak Reflow Temperature (s): 30;
SZ1SMB5921BT3G
SZ1SMB5921BT3G by Onsemi is a single Zener diode with 6.8V nominal voltage, 5% voltage tolerance, and 2.5 ohm dynamic impedance. It operates b/w -65 to 150 °C and is ideal for AEC-Q101 compliant automotive applications requiring small outline surface mount diodes.
BZV55C12
Sangdest Microelectronics (Nanjing)
ZENER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BZX84C5V1
ZENER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1SMA5923BT3G
1SMA5923BT3G by Onsemi is a Zener diode with a nominal reference voltage of 8.2V and max power dissipation of 0.5W. It operates in temperatures ranging from -65 to 150 °C and has a max voltage tolerance of 5%. This single-configured diode is ideal for applications requiring precise voltage regulation in compact electronic devices.
1N5333BG
1N5333BG by Onsemi is a Zener diode with 3.3V nominal reference voltage, 5% max voltage tolerance, and 380mA working test current. It is used in applications requiring stable voltage regulation like power supplies and voltage references.
SZMM3Z18VT1GX
SZMM3Z18VT1GX by Nexperia is a Zener diode with 18V nominal reference voltage, suitable for applications requiring a max reverse test voltage of 13V. With a working test current of 5mA and max power dissipation of 0.3W, it operates in temperatures ranging from -55 to 150 °C. Ideal for surface mount designs due to its small outline package style.
BZX84-C10,235
NXP Semiconductors
BZX84-C10,235 by NXP Semiconductors is a Zener diode with a working test current of 5 mA and max reverse current of 0.2 uA. It is used for voltage regulation in various electronic applications.
BZX84C4V7
Jiangsu Changjiang Electronics Technology
ZENER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; Maximum Dynamic Impedance: 80 ohm; Working Test Current: 5 mA; Maximum Voltage Tolerance: 6.3 %;
Vishay Sprague
BZX84C3V3
Taiwan Semiconductor
JANTX1N758A-1
Aeroflex/metelics
ZENER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
MMSZ4702T1G
ZENER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MM3Z18VT1G
MM3Z18VT1G by Onsemi is a Zener diode with a 18V nominal reference voltage, ideal for voltage regulation in electronic circuits. It has a max reverse current of 0.05 uA and operates b/w -65 to 150 °C, making it suitable for various temperature conditions. With a small outline package style and gull wing terminal form, it is designed for surface mount applications requiring precise voltage control.
1N5337B
Microsemi
Micro Commercial Components
SZBZX84C15LT1G
SZBZX84C15LT1G by Onsemi is a Zener diode with a nominal reference voltage of 15V. It has a max operating temperature of 150°C and a max power dissipation of 0.25W. This diode is commonly used in applications requiring voltage regulation and protection against overvoltage.
BZX84C12
STMicroelectronics
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MMSZ5245BT1G
MMSZ5245BT1G by Onsemi is a Zener diode with 15V nominal reference voltage, 8.5mA test current, and 16 ohm dynamic impedance. It is used in applications requiring precise voltage regulation in a compact SMD package for temperatures ranging from -55 to 150°C.
MMSZ5231BT1G
MMSZ5231BT1G by Onsemi is a Zener diode with 5.1V nominal reference voltage, 20mA test current, and 17 ohm dynamic impedance. It is ideal for voltage regulation in electronic circuits due to its small outline package and unidirectional polarity. Operating temperature ranges from -55°C to 150°C making it suitable for various applications.
MMSZ5240B-7-F
MMSZ5240B-7-F by Diodes Inc. is a Zener diode with 8V reverse test voltage, 20mA working current, and 3uA max reverse current. Ideal for voltage regulation in electronic circuits due to its small outline package and unidirectional polarity.
MMSZ4689T1G
MMSZ4689T1G by Onsemi is a Zener diode with 5.1V nominal reference voltage, 5% max voltage tolerance, and 0.05mA test current. It is a unidirectional diode in a small outline package ideal for voltage regulation applications. Operating temperature range from -55 to 150 °C with matte tin finish for dual terminals.
MMSZ5248BT1G
MMSZ5248BT1G by Onsemi is a Zener diode with 18V nominal reference voltage, 5% max voltage tolerance, and 21 ohm max dynamic impedance. It is used in applications requiring precise voltage regulation like power supplies and signal conditioning circuits.
MMSZ4690T1G
MMSZ4690T1G by Onsemi is a Zener diode with 5.6V nominal reference voltage, ideal for voltage regulation applications. It has a max power dissipation of 0.5W and operates b/w -55 to 150°C. With a small outline package style and matte tin terminal finish, it is suitable for surface mount designs requiring precise voltage control.
MMSZ4678T1G
MMSZ4678T1G by Onsemi is a Zener diode with a working test current of 0.05 mA and a max voltage tolerance of 5%. It is commonly used in applications requiring voltage regulation, such as power supplies and voltage references.
MMSZ5248B-7-F
Spc Technology/ Multicomp
MMSZ5248B-7-F by Diodes Inc. is a Zener diode with 14V reverse test voltage, 7mA working current, and 18V nominal reference voltage. It is ideal for applications requiring precise voltage regulation in compact electronic circuits due to its small outline package and unidirectional polarity.
MMSZ15T1G
MMSZ15T1G by Onsemi is a Zener diode with 15V nominal reference voltage and 5% max voltage tolerance. It operates b/w -55 to 150 °C, with a max power dissipation of 0.5W. Ideal for applications requiring precise voltage regulation in compact electronic devices.
MMSZ4688T1G
MMSZ4688T1G by Onsemi is a Zener diode with a nominal reference voltage of 4.7V, working test current of 0.05mA, and max voltage tolerance of 4.99%. It is ideal for applications requiring precise voltage regulation in small outline packages, such as power supplies and voltage references.
MMSZ4680T1G
MMSZ4680T1G by Onsemi is a Zener diode with a nominal reference voltage of 2.2V and max voltage tolerance of 5%. It operates in temperatures ranging from -55 to 150°C, making it suitable for various applications requiring precise voltage regulation. With a small outline package style and matte tin terminal finish, this diode is ideal for surface mount designs where space is limited.
MMSZ5240BT1G
MMSZ5240BT1G by Onsemi is a Zener diode with 10V nominal reference voltage, 5% max voltage tolerance, and 17 ohm max dynamic impedance. Ideal for applications requiring precise voltage regulation in temperature range of -55 to 150 °C, such as power supplies and signal conditioning circuits.
MMSZ5231B-7-F
MMSZ5231B-7-F by Diodes Inc. is a Zener diode with 20mA test current, 5uA reverse current, and 5.1V reference voltage. It is used in voltage regulation circuits due to its small outline package, unidirectional polarity, and silicon element material.
MMSZ5242BT1G
MMSZ5242BT1G by Onsemi is a Zener diode with 12V nominal reference voltage, 5% max voltage tolerance, and 30 ohm max dynamic impedance. It is used in applications requiring precise voltage regulation, such as power supplies and voltage references. This single-configured diode has a small outline package style and operates b/w -55 to 150 °C.
MMSZ4691T1G
MMSZ4691T1G by Onsemi is a Zener diode with 6.2V nominal reference voltage, 5% max voltage tolerance, and 0.05mA working test current. It is used in applications requiring precise voltage regulation in a compact SMD package.
Vishay Intertechnology
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