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
LM224DTBR2G by Onsemi is a quad operational amplifier with 4 functions. It features a max input offset voltage of 5000 uV and a nominal common mode reject ratio of 85 dB. Ideal for applications requiring micropower amplification in small outline packages.
Median Price
$0.286
Lifecycle Status
Suppliers In-Stock
22
In-Stock Inventory
1k+
Arrow
1+ parts
$0.195
100+ parts
$0.115
1k+ parts
$0.111
10k+ parts
-
Farnell
$0.382
$0.204
$0.171
$0.144
Mouser Electronics
$0.460
$0.248
$0.210
$0.192
DigiKey
Adafruit Industries
$6.178
$5.869
EBV Elektronik
Chip1Stop
$0.184
$0.182
Verical
Newark
Element14
$0.323
$0.281
$0.275
Rochester
$0.227
$0.188
$0.168
Digiode
$0.176
Nova Conductors
$0.257
Flip Electronics
Component Sense
Vyrian
Chip Stock
Sensible Micro Corp
NAC Semi
$0.212
IBS Electronics
$0.156
Bristol Electronics
EZ Electronic Parts
Ampacity Inc.
$0.128
Corphita
$0.166
Corohmni
Argo Parts USA
$0.251
$0.244
Aranea Global
$0.252
$0.242
Semicontronic
$0.278
$0.271
$0.270
Modulus Dynamics
$0.279
$0.277
$0.268
Aztec Data Supply Inc.
$0.677
Advanced Electronics
Perfect Parts
RC Electronics
$0.260
$0.230
Kepictronics
Authorized Procurement Solutions
SupplyDigital Components
Lixinc
TANS Electronics
Microchip USA
Problanco Electronics
A-Z Elektronik GmbH
Eastek
Alle Elektronik GmbH
Kulean Microsystems
UHIMA Technologies
Continental Prestige Electronics
$0.240
$0.169
ChipstoGo Electronic ltd
GreenTree Electronics
Provides durability and protection for the internal components, making the Op Amp reliable for long-term use.
Low input offset voltage ensures accurate amplification of signals without significant distortion.
Low bias current helps in reducing power consumption and improving overall efficiency of the Op Amp.
Enables easy installation on PCBs, saving time and effort during assembly.
High common mode rejection ratio helps in eliminating noise and unwanted signals from the input, resulting in cleaner output.
Works efficiently with a supply voltage of 5V, making it compatible with various electronic circuits.
Ensures stability in the Op Amp's performance over a wide range of frequencies, making it suitable for various applications.
As an operational amplifier, it is designed for high gain and precision amplification of signals, making it ideal for use in signal processing and control systems.
Operational Amplifiers (Op Amps) LM224DTBR2G attributes and parameters. Explore more Operational Amplifiers (Op Amps) devices from Onsemi
Amplifier Type:
Architecture:
Technology:
Power Supply:
Total Functions:
Sub-Category:
Frequency Compensation:
Low-Offset:
Micropower:
Nominal Common Mode Rejection Ratio (CMRR ):
Input Offset Voltage Limit:
Minimum Voltage Gain:
Peak Bias Current:
Maximum Bias Current (IIB) @25 °C:
Nominal Supply Voltage:
Maximum Supply Voltage:
Minimum Negative Supply Voltage:
Lowest Operating Temperature:
Maximum Operating Temperature:
Peak Reflow Temperature:
Reflow Peak Time Limit:
Maximum Supply Current:
Length:
Width:
Maximum Seated Height:
Total Terminals:
Terminal Pitch:
Terminal Position:
Terminal Form:
Terminal Finish:
Package Body Material:
Surface Mount:
Moisture Sensitivity Level (MSL):
Temperature Grade:
Qualified:
JESD-30 Code:
JESD-609 Code:
Packing Method:
Package Code:
Package Shape:
Package Style:
Package Equivalence Code:
LM224DTBR2G Amplifiers trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.33.00.01
SB
8542.33.00.00
PCN Assembly/Origin - Assembly/Test Site Addition 21/May/2015
Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).
President, CEO
Hassane El-Khoury
Executive VP, CFO, Treasurer
Thad Trent
Senior VP
Ross F. Jatou
Aizu Fab
Fabrication
Fab Initiation
1995
Japan
Aizu Wakamatsu
Wafer Capacity
52,000
Si/EPI Fab
2018
Czech Republic
Rožnov pod Radhoštěm
10,000
Expansion Phase 1 for SiC / EPI
2019
14,500
Expansion Phase 2 for SiC / EPI
2024
SiC Fab
2022
USA
Hudson
Bucheon
2013
South Korea
61,000
ISMF - Malaysia
1990
Malaysia
Seremban
95,000
Roznov Device Fab
1987
80,000
Fab 10
2002
East Fishkill
15,000
Burlington
1986
Canada
Gresham
1998
45,000
Bucheon 150mm
2000
50,000
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
BAV99
Siemens
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
EU2B-YS303C
Idec
ROTARY SWITCH;
BSS138NH6327XTSA2
Infineon Technologies
BSS138NH6327XTSA2 by Infineon is a N-CHANNEL FET with 60V DS Breakdown Voltage, ideal for small signal applications. Operating in Enhancement Mode, it has 0.36W Power Dissipation and 3.5 ohm Drain-Source Resistance. With Gull Wing terminals and AEC-Q101 reference standard, it's suitable for automotive electronics due to its high temperature range of -55 to 150 °C.
KSZ9031RNXIA
Microchip Technology
KSZ9031RNXIA by Microchip is a 48-terminal Ethernet transceiver with data rate of 1000 Mbps. Operating temperature range from -40 to 85°C makes it suitable for industrial applications. This square-shaped chip carrier has a very thin profile and matte tin finish, ideal for network interfaces.
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
STMicroelectronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Operating Temperature: 200 Cel; Config: SINGLE; Terminal Finish: Tin/Lead (Sn/Pb);
LL4148
Transys Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Dc Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BSS138DW-7-F
Diodes Incorporated
BSS138DW-7-F by Diodes Incorporated is a N-channel small signal FET with a min DS breakdown voltage of 50V. It is used for switching applications and operates in enhancement mode. This surface mount transistor has a max drain current of 0.2A and a max power dissipation of 0.2W.
LM555CN
Fairchild Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
FDV303N
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Transistor Application: SWITCHING; JESD-609 Code: e3;
Bkc Semiconductors
Vicor
Eic Semiconductor
Taiwan Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Peak Reflow Temperature (C): 260; Maximum Operating Temperature: 175 Cel; JESD-609 Code: e3; No. of Elements: 1;
SS14
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
AH180-WG-7
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.
LM358DR2G
Onsemi
LM358DR2G by Onsemi is a dual operational amplifier with 7000uV max input offset voltage and 70dB nominal CMRR. Ideal for applications requiring low bias current such as sensor interfaces, signal conditioning circuits, and audio amplifiers. Package style: Small Outline, Technology: Bipolar, Unity Gain Bandwidth: 1000 kHz.
National Semiconductor
TL072IDRG4
Texas Instruments
TL072IDRG4 by Texas Instruments is a dual operational amplifier with 8 terminals. It features a max input offset voltage of 8000 uV, min slew rate of 8 V/us, and nominal unity gain bandwidth of 3000 kHz. Ideal for industrial applications requiring low-bias current amplification in a compact small outline package.
TLV271IDBVR
TLV271IDBVR by Texas Instruments is a CMOS operational amplifier with a max input offset voltage of 7000 uV. It has a nominal voltage of 5 V and is commonly used in automotive applications due to its low-bias and temperature grade features.
THS4521IDGKR
THS4521IDGKR by Texas Instruments is an operational amplifier with 2000uV max input offset voltage, 102dB nominal CMRR, and 9.3MHz nominal bandwidth. Ideal for industrial applications requiring high precision signal amplification in a compact package with low power consumption.
OPA2134UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
JM38510/13501BPA
Linear Technology
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
OPA2350EA/250
OPERATIONAL AMPLIFIER; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Package Style (Meter): SMALL OUTLINE;
LM358MX
ROHM
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR;
OPA171AIDBVT
OPA171AIDBVT by Texas Instruments is a micropower operational amplifier with low-bias current and high common mode rejection ratio. It operates at a wide temperature range of -40 to 125 °C, making it suitable for automotive applications. With a unity gain bandwidth of 3 MHz, this op amp is ideal for precision signal conditioning in compact designs.
TS912IDT
TS912IDT by STMicroelectronics is a CMOS Operational Amplifier with 2 functions, offering low-bias and micropower features. It has a max input offset voltage of 12000 uV, operates at temperatures ranging from -40 to 125 °C, and is ideal for automotive applications due to its compact size and high common mode reject ratio of 70 dB.
OPA2227U
LM324AN/NOPB
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 14; Package Code: DIP; Package Shape: RECTANGULAR;
INA105KU/2K5
INA105KU/2K5 by Texas Instruments is a voltage-feedback operational amplifier with a max input offset voltage of 250 uV. It has a nominal common mode reject ratio of 90 dB and operates at temperatures up to 85 °C. This amplifier is commonly used in industrial applications requiring low-offset and high common mode rejection.
INA148UA/2K5
AD8615AUJZ-R2
Analog Devices
AD8615AUJZ-R2 by Analog Devices is a CMOS Operational Amplifier with low-offset (0.8 uV) and low-bias (0.00055 uA). Ideal for automotive applications, it offers a wide temperature range (-40 to 125 °C) and high common mode rejection ratio (100 dB). With compact dimensions (2.9mm x 1.6mm x 1mm), it features voltage-feedback architecture and unity gain bandwidth of 24 kHz.
LM258D
Motorola
OPERATIONAL AMPLIFIER; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM358D
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM358N
Freescale Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
OP2177ARZ
OP2177ARZ by Analog Devices is a micropower operational amplifier with low-offset and high frequency compensation. It operates at a wide temperature range of -40 to 125 °C, making it suitable for automotive applications. With a max supply voltage of +-15V and unity gain bandwidth of 1300 kHz, it offers precise amplification in compact small outline package style.
AD8605ARTZ-R2
AD8605ARTZ-R2 by Analog Devices is a low-offset operational amplifier with 750uV max input offset voltage, 90dB nominal CMRR, and 110000 min voltage gain. Ideal for automotive applications due to its low-bias current of 0.000001uA @25C and wide temperature range from -40 to 125 °C.
OPA547F/500
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 7; Package Code: TO-263; Package Shape: RECTANGULAR;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
LM224DR2G
LM224DR2G by Onsemi is a quad operational amplifier with 4 functions, featuring a max input offset voltage of 5000 uV and a nominal common mode reject ratio of 85 dB. With a supply voltage range of 5-30 V, it is ideal for applications requiring high voltage gain and low bias current in small outline packages.
LM224DT
LM224DT by STMicroelectronics is a quad operational amplifier with a max input offset voltage of 7000 uV and max supply voltage limit of 32 V. It is used in industrial applications, featuring micropower technology, a nominal unity gain bandwidth of 1300 kHz, and an architecture of voltage-feedback.
LM224D-T
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR;
NXP Semiconductors
LM224D-T by NXP Semiconductors is a quad operational amplifier with 4 functions, featuring a max input offset voltage of 7000 uV and nominal unity gain bandwidth of 1000 kHz. It operates b/w -25 to 85 °C and is ideal for applications requiring low bias current amplification in small outline packages.
LM224D
LM224D by Texas Instruments is a quad operational amplifier with 4 functions, featuring low-bias and micropower capabilities. With a max supply voltage of 32V, it offers a nominal unity gain bandwidth of 1200 kHz. Ideal for applications requiring high voltage amplification in compact designs.
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR;
Raytheon Semiconductor
Samsung
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 14; Package Code: DIP; Package Shape: RECTANGULAR;
LM224DR
LM224DR by Texas Instruments is a quad operational amplifier with 4 functions. It features a max input offset voltage of 7000 uV and low bias current of 0.25 uA @25C, making it ideal for micropower applications. With a nominal unity gain bandwidth of 1200 kHz, this op amp is suitable for precision signal processing in various electronic circuits.
LM224DRG3
LM224DRG4
LM224DRG4 by Texas Instruments is a quad operational amplifier with 4 functions, offering low bias current of 0.25uA @25C and micropower features. With a nominal voltage of 5V, it provides high min voltage gain of 25k and operates in temperatures ranging from -25 to 85 °C. Ideal for applications requiring precise signal amplification in compact designs.
LM224DG
LM224DG by Onsemi is a quad operational amplifier with 4 functions, featuring a max input offset voltage of 5000uV and a nominal common mode reject ratio of 85dB. With a supply voltage range of 5-30V, it is ideal for applications requiring high voltage gain and low bias current in small outline packages.
LM224DR2
LM224-P14-R
Unisonic Technologies
OPERATIONAL AMPLIFIER; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: TSSOP; Package Shape: RECTANGULAR;
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