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
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Median Price
$1.244
Lifecycle Status
Suppliers In-Stock
35
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$1.470
100+ parts
-
1k+ parts
10k+ parts
DigiKey
$1.640
$0.993
$0.876
$0.801
Mouser Electronics
$1.700
$1.020
$0.881
$0.748
RS (Exports)
$1.017
$0.967
Arrow
$0.908
$0.690
Verical
$0.863
$0.792
$0.705
Nova Conductors
$0.778
DF Sales Co.
$0.970
Digiode
$1.311
Component Electronics Inc.
$1.540
$1.150
$1.000
Chip Stock
Vyrian
Zilex Electronics Inc.
LIBRA Elektronik GmbH
Prism Electronics
GES GmbH
Bristol Electronics
PC Components Company LLC
MRC Electronics
North Shore Components
Flex Direct, LLC
Huijzer Components
Sunrise Surplus Inc.
Sea View Technologies
MISTER SPROCKETS
Semi Source
ComSIT Distribution GmbH
Diverse Electronics
Sogenti Electronics
Electronics Depot
Inventory MP
Pegasus Components GmbH
Atlantic Semiconductor
Speed Components Ltd
Aranea Global
$0.762
$0.732
Semicontronic
$0.770
$0.751
$0.747
Ampacity Inc.
Continental Prestige Electronics
Argo Parts USA
Corohmni
$0.810
Corphita
$1.242
Parana Technologies
$4.592
$426.391
$4.132
DigiPath Technology Company
$5.056
$4.651
ChromeModa Solutions
$5.159
$4.230
IDEA Electronic Components Group
$4.643
Metaverse IC Inc.
QUARKTWIN TECHNOLOGY LTD
Lixinc
Perfect Parts
Kulean Microsystems
TANS Electronics
A-Z Elektronik GmbH
Problanco Electronics
Alle Elektronik GmbH
SupplyDigital Components
GreenTree Electronics
Authorized Procurement Solutions
Glotronic Ltd.
Assy Fe
Schahn Electronic Components
UHIMA Technologies
Operational Amplifiers (Op Amps) LF412CD 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-Bias:
Low-Offset:
Nominal Unity Gain Bandwidth:
Nominal Common Mode Rejection Ratio (CMRR ):
Input Offset Voltage Limit:
Minimum Voltage Gain:
Minimum Slew Rate:
Nominal Slew Rate:
Maximum Input Offset Current (IIO):
Peak Bias Current:
Maximum Bias Current (IIB) @25 °C:
Nominal Supply Voltage:
Maximum Supply Voltage:
Maximum Negative Supply Voltage:
Minimum Negative Supply Voltage:
Lowest Operating Temperature:
Maximum Operating Temperature:
Peak Reflow Temperature:
Maximum Supply Current:
Length:
Width:
Maximum Seated Height:
Total Terminals:
Terminal Pitch:
Terminal Position:
Terminal Form:
Terminal Finish:
Package Body Material:
Surface Mount:
Temperature Grade:
Qualified:
JESD-30 Code:
JESD-609 Code:
Package Code:
Package Shape:
Package Style:
Package Equivalence Code:
LF412CD Amplifiers trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.33.00.01
SB
8542.33.00.00
NSN
5962-01-413-5706, 5962014135706
NIIN
014135706
PCN Obsolescence/ EOL - EOL NOTICE 17/Feb/2023 EOL PDN20230217005.3A 23/Feb/2023
PCN Design/Specification - Mult Devices Font 21/Apr/2018 Mult Devices Font 21/Apr/2018
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
Rochester
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
E8WSDC12-32.768KTR
Ecliptek
PARALLEL - FUNDAMENTAL; Mounting Feature: SURFACE MOUNT; Frequency Tolerance: 20 ppm; Aging: 3 PPM/YEAR; Load Capacitance: 12.5 pF; Nominal Operating Frequency: .032768 MHz;
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
BAV99
Lite-on Technology
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us;
LM555CM
Harris Semiconductor
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
1N4148
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN2803ADWG4
Texas Instruments
ULN2803ADWG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates at temperatures ranging from -40 to 85°C and has a max supply voltage of 3V. Ideal for applications requiring sink current flow direction in a small outline package style.
Cheng-yi Electronic
M24308/2-1F
Positronic Industries
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Body or Shell Style: RECEPTACLE;
MBR0520LT1
Onsemi
MBR0520LT1 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, making it suitable for applications requiring low power consumption in compact electronic devices. This single-configured diode is surface mountable and has a max repetitive peak reverse voltage of 20V, ideal for small outline package designs.
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99+
Multicomp Pro
BAV99+ by Multicomp Pro is a series connected diode with 0.2A output current and 75V peak reverse voltage. Its 0.006us reverse recovery time makes it ideal for high-speed applications. This small outline rectifier diode is designed for surface mount installation in electronic circuits.
Terry Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V;
LFXTAL025159REEL
Iqd Frequency Products
LFXTAL025159REEL by IQD Frequency Products is a 32.768 kHz crystal oscillator with 20 ppm frequency tolerance and 40,000 ohm series resistance. It is ideal for applications requiring precise timekeeping, such as real-time clocks in IoT devices or microcontrollers in wearables. The surface-mount design with a drive level of 1 uW makes it suitable for compact electronic systems.
LL4148
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Maximum Non Repetitive Peak Forward Current: 2 A; Maximum Reverse Recovery Time: .004 us; No. of Phases: 1; Maximum Operating Temperature: 175 Cel;
Diotec Semiconductor Ag
SMBJ18CA
General Instrument
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS-7-F
Diodes Incorporated
1N4148WS-7-F by Diodes Inc. is a single rectifier diode with max reverse recovery time of 0.004 us and max reverse current of 1 uA. It operates b/w -65 to 150 °C, ideal for applications requiring small outline surface mount diodes with a max output current of 0.15 A.
Dc Components
Shanghai Lunsure Electronic Technology
CRGCQ0805F10K
TE Connectivity
TE Connectivity's CRGCQ0805F10K is a 10000 ohm fixed resistor with 1% tolerance. It operates b/w -55 to 155 °C and has a power dissipation of 0.125 W. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance.
OPA551UA/2K5
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM358AD-T
Philips Semiconductors
OPA376AIDBVRG4
OPA376AIDBVRG4 by Texas Instruments is a low-offset, low-bias operational amplifier with 25uV max input offset voltage and 90dB nominal CMRR. Ideal for automotive applications, it operates at -40 to 125°C, has a unity gain bandwidth of 5.5MHz, and consumes only 0.95mA max supply current.
INA193AIDBVT
Texas Instruments' INA193AIDBVT is an operational amplifier with a max input offset voltage of 2000 uV and common mode voltage of 80 V. With a unity gain bandwidth of 500 kHz, it is ideal for automotive applications requiring high precision and low profile components. The package style is small outline, making it suitable for surface mount designs in tight spaces.
OPA244NA
OPA244NA by Texas Instruments is a micropower operational amplifier with a max input offset voltage of 2000 uV and nominal common mode reject ratio of 98 dB. It operates in industrial temperature range (-40 to 85 °C) and has a unity gain bandwidth of 430 kHz. Ideal for applications requiring low bias current and high precision amplification in small outline packages.
LM321MF
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 5; Package Code: LSSOP; Package Shape: RECTANGULAR;
LM324N
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 14; Package Code: DIP; Package Shape: RECTANGULAR;
LM2902D-T
NXP Semiconductors
NXP Semiconductors' LM2902D-T is a quad operational amplifier with 14 terminals, featuring a max input offset voltage of 9000 uV and a nominal voltage of 5 V. With a package style of small outline, it is ideal for automotive applications requiring high min voltage gain and low bias current.
LM2902N
Sgs-ates Componenti Electronici S P A
OPA376AIDCKRG4
The Texas Instruments OPA376AIDCKRG4 is a CMOS operational amplifier with low-offset and low-bias features. It offers a max input offset voltage of 25uV, nominal unity gain bandwidth of 5500kHz, and operates at temperatures ranging from -40 to 125°C. Ideal for automotive applications due to its compact size and low power consumption.
TCA0372DWR2G
TCA0372DWR2G by Onsemi is a dual operational amplifier with 20000 uV max input offset voltage and 90 dB nominal CMRR. Ideal for automotive applications, it operates b/w -40 to 125 °C with +/-15 V supplies, offering a unity gain bandwidth of 1400 kHz.
LM324AN
Motorola
OPA2376AIDR
OPA2376AIDR by Texas Instruments is an Operational Amplifier with low-offset and low-bias features. It has a max input offset voltage of 25uV, nominal unity gain bandwidth of 5500kHz, and operates in automotive temperature grade. Ideal for precision applications requiring high common mode rejection ratio and low bias current.
THS4521IDGKT
THS4521IDGKT by Texas Instruments is an operational amplifier with a max input offset voltage of 2000 uV, common mode reject ratio of 102 dB, and bandwidth of 9.3 MHz. Ideal for industrial applications requiring high precision amplification in a compact package with low power consumption.
OPA2350UA
OPA2350UA by Texas Instruments is an Operational Amplifier with low-offset and low-bias features. It has a max input offset voltage of 500 uV, operates at a nominal voltage of 5V, and offers a min voltage gain of 100000. Ideal for industrial applications requiring precise signal amplification in compact designs.
LMC7101BIM5
Micrel
LM7321QMFE/NOPB
LM7321QMFE/NOPB by Texas Instruments is a 5-terminal Op Amp with 6000uV Max Input Offset Voltage, 80dB CMRR, and 16000kHz Unity Gain Bandwidth. Ideal for automotive applications due to AEC-Q100 screening, it operates from -40 to 125°C with low power consumption of 1.7mA at ±5V supplies.
OPA4340UA/2K5
OPA4340UA/2K5 by Texas Instruments is a CMOS operational amplifier with low-offset and low-bias features. It has a max input offset voltage of 500 uV, operates at a supply voltage of 3/5 V, and offers micropower consumption. Ideal for industrial applications requiring high precision and low power consumption in compact designs.
LM741H
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Code: TO-99; Package Shape: ROUND;
LM107H/883
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Maximum Average Bias Current (IIB): .1 uA;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
LF412CN/NOPB
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LF412CDR
LF412CDR by Texas Instruments is an Operational Amplifier with 3000uV Max Input Offset Voltage, 100dB Nominal CMRR, and 8V/us Min Slew Rate. Ideal for precision signal processing applications due to its low-bias current, high voltage gain, and JFET technology. Suitable for commercial-grade circuits requiring precise amplification in a compact package.
LF412CDR2
LF412CDR2 by Onsemi is a dual operational amplifier with low bias current (0.004 uA) and high common mode rejection ratio (100 dB). It operates at a wide temperature range (0-70 °C) making it suitable for commercial applications requiring precise signal amplification. With a unity gain bandwidth of 4000 kHz, this Op Amp is ideal for various electronic circuits.
LF412CDRE4
LF412CDRE4 by Texas Instruments is an Operational Amplifier with 3000uV Max Input Offset Voltage, 100dB Nominal CMRR, and 8V/us Min Slew Rate. Ideal for precision signal processing in applications requiring low bias current and high voltage gain like instrumentation amplifiers or active filters.
LF412CDRG4
LF412CDRG4 by Texas Instruments is a BIFET operational amplifier with 3000 kHz unity gain bandwidth, 15000 min voltage gain, and 100 dB common mode reject ratio. Ideal for applications requiring low-bias current amplification in commercial temperature environments. Package style is small outline with dual terminals and surface mount capability.
LF411CPE4
LF412CD
LF412CD by Texas Instruments is a dual operational amplifier with a max input offset voltage of 3000 uV and a max average bias current of 0.0002 uA. It is commonly used in applications requiring low-bias, such as audio amplification and signal conditioning.
LF411CN/NOPB
LF411CP
LF412ACN/NOPB
LF412ACN/NOPB by Texas Instruments is an Operational Amplifier with 3000uV Max Input Offset Voltage, 100dB Nominal CMRR, and 10V/us Min Slew Rate. Ideal for precision applications requiring low bias current and high voltage gain in commercial temperature range.
LF411CD
LF411CDR
LF411CDR by Texas Instruments is an operational amplifier with a max input offset voltage of 2000 uV, low bias current of 0.0002 uA, and nominal unity gain bandwidth of 3000 kHz. Ideal for applications requiring high voltage gain, frequency compensation, and low-bias operation in commercial-grade temperature environments.
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