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
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: BALL; No. of Terminals: 20; Package Code: VFBGA; Package Shape: RECTANGULAR;
Median Price
-
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
Infinite Electronics LLP
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
Anansix
Vyrian
MARBEL Systems
$0.124
Texas Native Microelectronics
$0.143
$0.137
$0.133
$0.126
Kenton Components
$0.172
$0.151
Qasali Group International
$0.386
$0.359
$0.340
Vigor
$1.183
Ampacity Inc.
$8.800
One Stop Electronics
$12.800
Semicontronic
$13.800
$13.455
$13.386
S.R.D Solutions
Kepictronics
Authorized Procurement Solutions
Corphita
Microchip USA
Audio Control ICs MAX9877AERP+T attributes and parameters. Explore more Audio Control ICs devices from Maxim Integrated
Channel Separation:
General IC Type:
JESD-30 Code:
JESD-609 Code:
Length:
Moisture Sensitivity Level (MSL):
No. of Channels:
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Power Supplies (V):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Current:
Maximum Supply Voltage (Vsup):
Minimum Supply Voltage (Vsup):
Surface Mount:
Technology:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Width:
MAX9877AERP+T General Purpose ICs trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
Maxim Integrated is a leading provider of analog and mixed-signal integrated circuits for a range of industries, including automotive, industrial, communications, consumer, and computing. Founded in 1983 with headquarters in San Jose, California, Maxim has grown to become one of the world’s largest producers of integrated circuits due to its innovative solutions that solve customers’ toughest design challenges. Maxim's broad portfolio includes products such as power management solutions, high-voltage solutions, motor driver solutions, amplifiers and comparators, data converters and interface ICs. For over 35 years, Maxim has continued to push the boundaries of analog integration by providing innovative integrated circuit products that offer the industry’s highest performance and best quality. The company’s commitment to delivering cutting-edge technology enables customers to stay current with changing demands in the market. From automotive check engine lights to fitness trackers worn on the wrist – Maxim enables customers across multiple industries to create groundbreaking products through their advanced IC designs. Maxim Integrated is now officially part of Analog Devices.
President & CEO
Tunc Doluca
Senior VP & CFO
Brian C. White
Senior VP, Technology & Manufacturing Group
Vivek Jain
Fabrication
Fab Initiation
Philippines
Cavite
Wafer Capacity
489,000
USA
Beaverton
312,000
Thailand
Chon Buri
194,000
RC0402FR-071KL
Yageo
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.
STM32H743BIT6
STMicroelectronics
STM32H743BIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 208 terminals, and 1085440 bytes of RAM. It features 2 DAC channels, 32 ADC channels, and operates at a max clock frequency of 48 MHz. Ideal for industrial applications requiring high-speed processing and extensive peripheral connectivity.
2N2222A
Swampscott Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148
Rfe International
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Forward Voltage (VF): 1 V; Config: SINGLE;
LM358M
Raytheon Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
BAV99
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): 30; Transistor Application: SWITCHING; Package Body Material: PLASTIC/EPOXY;
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MBRA160T3G
Onsemi
MBRA160T3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.51V. It operates b/w -55 to 150°C, has a reverse test voltage of 60V, and is ideal for power applications due to its high efficiency and small outline package style.
MBRS1100T3G
MBRS1100T3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.75V. It operates in temperatures ranging from -65 to 175°C, making it suitable for power applications. With a reverse test voltage of 100V, this diode is ideal for high-power circuits requiring efficient rectification.
2N7002
Supertex
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Maximum Feedback Capacitance (Crss): 5 pF;
General Transistor
M/a-com Technology Solutions
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Terminal Position: BOTTOM; Package Style (Meter): CYLINDRICAL;
LL4148
Rectron
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
DS18B20
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 3; Package Shape or Style: ROUND; Housing: PLASTIC; Output Interface Type: 1-WIRE INTERFACE;
SS14
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138BK,215
NXP Semiconductors
NXP Semiconductors' BSS138BK,215 is a N-CHANNEL FET with 0.36A max drain current and 0.42W power dissipation. Ideal for applications requiring single configuration and surface mount technology, such as enhancement mode operation in temperatures up to 150°C.
LM317D2TG
LM317D2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max output voltage of 37V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
North American Philips Discrete Products Div
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Operating Mode: ENHANCEMENT MODE; Maximum Drain Current (ID): .115 A;
TAS5760MDCAR
Texas Instruments
TAS5760MDCAR by Texas Instruments is a 48-terminal audio control IC with 55W output power. It operates at temperatures from -25 to 85°C and supports supply voltages of 4.5-26.4V, making it ideal for tone control circuits in compact electronic devices requiring high-quality sound performance.
TDA7309D013TR
TDA7309D013TR by STMicroelectronics is a dual-channel audio control IC designed for volume management. It features 100 dB channel separation, 0.01% harmonic distortion, and operates within a supply voltage of 6-10 V. Ideal for industrial audio applications, it ensures high performance in compact designs.
M61532FP
Renesas Electronics
VOLUME CONTROL CIRCUIT; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 80; Package Code: QFP; Package Shape: RECTANGULAR;
TDA7342N
TDA7342N by STMicroelectronics is an Audio Control IC with 100 dB Channel Separation and 0.01% Harmonic Distortion. It operates on a power supply of 9V, has 32 terminals, and is ideal for tone control circuits in industrial applications.
STA369BWSTR
STA369BWSTR from STMicroelectronics is a versatile audio control IC designed for volume management in compact devices. It operates at 3.3V and 18V, with a temperature range of -20 °C to 70°C. Its small outline package and surface mount design make it ideal for space-constrained applications.
MAX9879ERV+T
Maxim Integrated
VOLUME CONTROL CIRCUIT; Terminal Form: BALL; No. of Terminals: 30; Package Code: VFBGA; Package Shape: RECTANGULAR; Length: 3.05 mm;
TC9459F
Toshiba
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 24; Package Code: SOP; Package Shape: RECTANGULAR;
TS4851EIJT
TS4851EIJT by STMicroelectronics is a volume control IC designed for audio applications, featuring low harmonic distortion at 1%. It operates b/w 3.3V and 5V with a max current of 11mA, suitable for industrial use in compact designs. Its thin profile and fine pitch make it ideal for space-constrained environments.
M61501FP
Mitsubishi Electric
TONE CONTROL CIRCUIT; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 80; Package Code: QFP; Package Shape: RECTANGULAR;
TEA6320N
SOUND FADER CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 32; Package Code: SDIP; Package Shape: RECTANGULAR;
TDA7449L
TDA7449L by STMicroelectronics is a BICMOS audio control IC designed for volume control in audio applications. It features 100 dB channel separation, 0.01% harmonic distortion, and operates b/w 6-10.2 V. Ideal for high-fidelity sound systems, it ensures superior audio performance.
BD3814FV-E2
ROHM
ROHM's BD3814FV-E2 is a Tone Control Circuit IC with 95 dB Channel Separation and 0.001% Harmonic Distortion. It has 6 channels, operates at +-7V, and is ideal for audio applications requiring precise tone adjustments in a compact package.
LM4865MMX/NOPB
LM4865MMX/NOPB by Texas Instruments is a VOLUME CONTROL CIRCUIT with 1% Harmonic Distortion. It has 8 terminals, operates b/w -40 to 85 °C, and supports a max output power of 1W. Ideal for industrial audio applications due to its small form factor and low supply voltage requirements.
TC9260P
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;
TAS3001CPWRG4
TAS3001CPWRG4 by Texas Instruments is a Tone Control Circuit IC with 2 channels, operating at 3.3V. It comes in a small outline package with dual terminals and is suitable for audio control applications requiring precise tone adjustments within the commercial temperature range of 0-70°C.
TLV320DAC3203IRGET
TLV320DAC3203IRGET by Texas Instruments is an Audio Control IC with 92 dB Channel Separation, 1.8 V Power Supplies, and -40 to 85 °C Operating Temperature range. It is used in industrial applications for volume control circuits due to its compact CHIP CARRIER package style and low noise figure of 94 dB.
TDA7056B/N1,112
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 9; Package Code: SIP; Package Shape: RECTANGULAR;
TDA7494
TDA7494 by STMicroelectronics is a VOLUME CONTROL IC with 15 terminals, operating b/w 0-70 °C. It features 10% Harmonic Distortion, suitable for audio applications. With a supply voltage range of 11-35V and max current of 50mA, it is ideal for commercial-grade audio control circuits.
LM4936MH
LM4936MH by Texas Instruments is a volume control circuit with 63 dB channel separation. Operating b/w -40 to 85 °C, it has 2 channels and requires 2.7-5V supply voltage. With a small outline package style, it's ideal for audio applications needing precise volume control in compact designs.
TDA7719TR
TDA7719TR by STMicroelectronics is a BICMOS audio control IC with 3 tone control bands, 90 dB channel separation, and operates b/w -40 to 85°C. It has 2 channels, requires 7.5-10V power supply, and comes in a small outline package suitable for industrial applications.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MAX9768BETG+T
Analog Devices
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
MAX9768ETG+T
Analog Devices' MAX9768ETG+T is a VOLUME CONTROL CIRCUIT in a SQUARE CHIP CARRIER package. Operating b/w -40 to 85 °C, it has a supply voltage range of 2.7-3.6V and low current draw at 14.2 mA, making it ideal for audio applications requiring precise volume control in compact designs.
VOLUME CONTROL CIRCUIT; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE; Package Equivalence Code: LCC24,.16SQ,20;
MAX9768BETG+
Analog Devices' MAX9768BETG+ is a VOLUME CONTROL CIRCUIT with 24 terminals, operating b/w -40 to 85 °C. It has a supply voltage range of 2.7-3.6V and consumes up to 14.2mA current. Ideal for audio applications requiring precise volume control in compact setups due to its small form factor and industrial temperature grade suitability.
MAX9768BETG/V+T
VOLUME CONTROL CIRCUIT; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE; Surface Mount: YES;
Analog Devices' MAX9768BETG/V+T is a square-shaped audio control IC with 24 terminals. It operates b/w -40 to 85°C, with a supply voltage range of 2.7V to 3.6V and max current draw of 14.2mA. Ideal for volume control circuits in compact applications due to its very thin profile and no-lead terminal form.
MAX9768BETG/V+
VOLUME CONTROL CIRCUIT; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE; Length: 4 mm;
Analog Devices' MAX9768BETG/V+ is a VOLUME CONTROL CIRCUIT with 24 terminals in a SQUARE package. Operating b/w -40 to 85 °C, it has a supply voltage range of 2.7V to 3.6V and consumes up to 14.2mA. Ideal for audio applications requiring precise volume control in compact setups due to its very thin profile and surface-mount capability.
MAX9768ETG+
MAX9744ETH+T
VOLUME CONTROL CIRCUIT; Terminal Form: NO LEAD; No. of Terminals: 44; Package Code: HVQCCN; Package Shape: SQUARE; Width: 7 mm;
Analog Devices' MAX9744ETH+T is a BICMOS VOLUME CONTROL CIRCUIT with 85 dB Channel Separation. With 2 channels, it operates b/w -40 to 85 °C and requires 2.7-3.6V supply voltage. Ideal for audio applications due to its compact SQUARE package style and low 35 mA supply current.
MAX9744ETH+
Analog Devices' MAX9744ETH+ is a VOLUME CONTROL CIRCUIT with 85 dB Channel Separation. It operates at -40 to 85 °C, with 2.7-3.6V supplies and 35 mA max current. This Audio Control IC in SQUARE package suits industrial applications needing precise volume control in compact setups.
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 44; Package Code: HVQCCN; Package Shape: SQUARE;
MAX9776ETJ+
VOLUME CONTROL CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 32; Package Code: HVQCCN; Package Shape: SQUARE;
MAX9775ETJ+
MAX97003EWP+
MAX97003EWP+T
VOLUME CONTROL CIRCUIT; Peak Reflow Temperature (C): 260; Moisture Sensitivity Level (MSL): 1; Maximum Time At Peak Reflow Temperature (s): 30; JESD-609 Code: e2; Terminal Finish: TIN SILVER COPPER NICKEL;
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