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
Bourns 3345P-1-502 is a 5000 ohm linear trimmer resistor with 5% tolerance and 1W power dissipation. It has a temperature coefficient of 50 ppm/°C and operates b/w -55 to 150 °C. Ideal for PCB mounting applications requiring precise resistance adjustments in a compact rectangular package.
Median Price
$25.360
Lifecycle Status
Suppliers In-Stock
18
In-Stock Inventory
1k+
RS (Exports)
1+ parts
$8.350
100+ parts
-
1k+ parts
10k+ parts
Arrow
$17.201
$8.058
Newark
$17.960
Mouser Electronics
$26.890
$18.050
Master Electronics
$29.050
$19.470
$19.380
RS Americas
$33.710
Chip1Stop
$19.900
$18.663
Verical
Component Electronics Inc.
$15.380
$11.540
$10.000
IBS Electronics
$40.743
$27.307
$27.180
Vyrian
R&J Components
Nova Conductors
VNN
Electro Sonic
$11.948
Semtec, LLC
ZD Integrated Circuits Inc.
Sunrise Surplus Inc.
Neutron USA
$59.990
Aranea Global
Perfect Parts
Thin lead diameter allows for easy soldering and connectivity in tight spaces.
Suitable for use in a wide range of temperatures, ensuring reliable performance.
Vertical orientation makes it easy to adjust and control the resistance value.
Wire wound technology provides high precision and stability in resistance.
Rectangular package shape allows for easy mounting and integration into circuit boards.
Linear resistance allows for precise and predictable adjustments in resistance value.
5000 ohm resistance value provides versatility for a wide range of applications.
Wire terminals offer secure connection and stability in the circuit.
High maximum operating temperature ensures durability and reliability in various environments.
Low minimum operating temperature allows for use in extreme cold conditions.
5% tolerance ensures accurate and consistent performance in resistance values.
Through hole mounting provides secure and stable installation on circuit boards.
1W power dissipation rating allows for handling higher power loads without overheating.
Variable Resistors 3345P-1-502 attributes and parameters. Explore more Variable Resistors devices from Bourns
Orientation (Actuator):
Type (Actuator):
Construction:
Ganging Number:
Diameter (Lead):
Length (Lead):
Mounting Type:
No. of Terminals:
No. of Turns:
Maximum Operating Temperature:
Minimum Operating Temperature:
Diameter (Package):
Length (Package):
Shape (Package):
Package Style (Meter):
Packing Method:
Rated Power Dissipation (P):
Rated Temperature:
Resistance:
Law Of Resistance:
Resistor Type:
Angle Of Rotation:
Technology:
Temperature Coef (ppm/Cel):
Terminal Shape:
Tolerance:
3345P-1-502 Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.31.00.00
SB
Bourns, Inc. is an American electronics company that develops, manufactures and supplies electronic components for a variety of industries including automotive, industrial, instrumentation, medical electronics, consumer equipment and portable electronics. Established in Altadena, California in 1947 by Marlan and Rosemary Bourns, graduates of the University of Michigan, the company was founded to develop and sell electronic components and sensors to the aerospace industry. Bourns has 15 manufacturing facilities around the world and has continued growing through the development of new products and technologies as well as through acquisitions. The company has approximately 9000 employees worldwide.
1N4148WS
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358AN
Samsung
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; 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.
MBRM140T1G
Onsemi
MBRM140T1G by Onsemi is a Schottky rectifier diode with 40V max repetitive peak reverse voltage, 1A max output current, and 0.3V max forward voltage. It is used in applications requiring small outline surface mount diodes for efficient power management.
DS18B20Z+T&R
Analog Devices
DS18B20Z+T&R by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. The sensor comes in a plastic package suitable for surface mount applications, with a max supply voltage of 5.5V and min of 3V.
DS18B20
Maxim Integrated
DS18B20 by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Commonly used in applications requiring precise temperature monitoring like HVAC systems and industrial automation.
2N7002
Continental Device India
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .83 W; Package Body Material: PLASTIC/EPOXY; JEDEC-95 Code: TO-236AB;
0460-202-16141
TE Connectivity
TE Connectivity's 0460-202-16141 contact features a crimp terminal type, machined contact design, and rated AC voltage of 1500V. With a wire gauge range of 20-16 AWG, it is ideal for applications requiring a male round pin-socket contact style in assembly products.
BSS138BKW,115
NXP Semiconductors' BSS138BKW,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A ID. Ideal for SWITCHING applications, it features a built-in diode, 1.6 ohm RDS(on), and operates in ENHANCEMENT MODE. Suitable for surface mount with GULL WING terminals, it meets AEC-Q101 standards.
SS14
Vishay Intertechnology
Vishay Intertechnology's SS14 is a Schottky rectifier diode with a max forward voltage of 0.5V and output current of 1A. Operating at up to 125°C, it has a repetitive peak reverse voltage of 40V. Ideal for surface mount applications, it suits various electronic circuits requiring efficient rectification and low forward voltage drop.
LM358N
Fairchild Semiconductor
1N4148
Rochester Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM555CM
Intersil
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
First Components International
SMBJ18CA
Jgd Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.2 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
BAV99
Infinex
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20U+
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: SQUARE; Housing: PLASTIC; Minimum Supply Voltage: 3 V;
DS18B20+
DS18B20+ by Analog Devices is a 12-bit temperature sensor with 3.3/5V supply, -55 to 125°C range, and ±0.50°C accuracy. It features a 1-Wire interface for digital output and is commonly used in applications requiring precise temperature monitoring in various industries.
Transys Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Minimum DS Breakdown Voltage: 60 V; Maximum Operating Temperature: 150 Cel;
FDN5618P
FDN5618P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage. It features a single configuration with built-in diode, suitable for switching applications. With 10A IDM and 0.17 ohm RDS(on), it operates in the temperature range of -55 to 150 °C, making it ideal for various electronic devices.
PTV09A-4020U-B104
Bourns
Bourns PTV09A-4020U-B104 is a linear carbon potentiometer with 100k ohm resistance, 20% tolerance, and 280° rotation angle. It is used in PCB mount applications for voltage up to 20V, operating b/w -10 to 50 °C, ideal for precise control in electronic devices.
PE30L0FR103MAB
Vishay Intertechnology's PE30L0FR103MAB is a 10000 ohm linear potentiometer with 20% tolerance and 3W power dissipation. It operates b/w -55 to 125 °C, suitable for panel mount applications requiring precise resistance adjustments in a compact circular package. The shaft actuator allows for a rotation angle of 270°, making it ideal for various electronic devices.
1-1879322-0
POTENTIOMETER; Orientation (Actuator): HORIZONTAL; Dimensions: 13.75mm x 11.7mm x 5.1mm;
M43P501KB40
Vishay Intertechnology's M43P501KB40 is a 500 ohm linear trimmer resistor with 15 turns and 10% tolerance. Operating voltage of 19.4 V, rated power dissipation of 0.75 W, and temperature coefficient of 100 ppm/°C make it ideal for PCB mount applications requiring precise resistance adjustments in a wide temperature range from -55 to 125 °C.
3314J-1-204E
Bourns 3314J-1-204E is a CERMET trimmer resistor with 200k ohm resistance, 20% tolerance, and 0.25W power dissipation. Ideal for surface mount applications in automotive electronics due to its AEC-Q200 standard compliance and 300V operating voltage capability.
TW1502KA
TE Connectivity's TW1502KA is a 5000 ohm POTENTIOMETER with 10% Tolerance, 1W Power Dissipation, and 265° Angle Of Rotation. Its Cylindrical Package makes it suitable for Panel Mount applications in various industries. Operating b/w -55 to 125 °C, it offers precise resistance control in compact dimensions of 23.5mm x 22.6mm.
53C31K
Honeywell Sensing And Control
Honeywell Sensing And Control's 53C31K is a linear potentiometer with 1000 ohm resistance, 10% tolerance, and 2W power dissipation. It features a conductive plastic technology in a circular package for horizontal actuator orientation. Ideal for panel mounting applications with operating temperatures ranging from -55°C to 120°C.
3545S-1-202L
Bourns 3545S-1-202L is a 2000 ohm potentiometer with linear resistance law, 5 turns, and 1.5W power dissipation. Ideal for panel mount applications in electronics due to its horizontal actuator orientation and wire wound technology. Operating temperature range from 1°C to 125°C makes it versatile for various electronic devices.
RK09K113004U
Alps Alpine
Alps Alpine RK09K113004U is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 280° rotation angle. It is used in PCB mount applications for voltage control, offering a rated power dissipation of 0.05 W.
93PR10KLF
Tt Electronics Plc
93PR10KLF by Tt Electronics Plc is a CERMET variable resistor with 10000 ohm resistance, 1W power dissipation, and 10% tolerance. It is used in PCB mounting applications for temperature-sensitive circuits due to its linear law of resistance and wide operating temperature range (-55 to 125 °C).
T93YA471KT20
Vishay Sfernice
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 470 ohm; Rated Power Dissipation (P): .5 W; Maximum Operating Temperature: 155 Cel; Tolerance: 10 %;
P161G201QSA30D104
P161G201QSA30D104 by Tt Electronics Plc is a 100k ohm potentiometer with conductive plastic technology, 20% tolerance, and 300° rotation angle. It is used in PCB mount applications for audio law of resistance with horizontal actuator orientation.
RV6LAYSA103A
Tokyo Cosmos Electric
POTENTIOMETER; Mounting Type: PANEL MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .5 W; Maximum Operating Temperature: 120 Cel; Tolerance: 10 %;
RJS50RE
Ohmite Manufacturing
The Ohmite Manufacturing RJS50RE is a 50 ohm wire wound potentiometer with linear resistance law. It features a 10% tolerance, 50 W power dissipation, and 300° angle of rotation. Ideal for panel mount applications requiring precise resistance adjustment in a circular package.
M64W502KB40
Vishay Intertechnology's M64W502KB40 is a CERMET variable resistor with 21 turns, linear resistance law, and 10% tolerance. It operates b/w -55 to 155 °C and has a rated power of 0.5 W. Ideal for PCB mounting in applications requiring precise voltage adjustments within a temperature range.
RRS25RE
Ohmite Manufacturing's RRS25RE is a 25 ohm linear wire wound potentiometer with 10% tolerance. It features a 500W power dissipation, 325° rotation angle, and panel mount package style. Ideal for applications requiring precise resistance adjustments in horizontal orientation.
PRV6SAABJXB25201KA
Vishay Intertechnology's PRV6SAABJXB25201KA is a 200 ohm linear potentiometer with 3 terminals. Operating voltage of 17.3 V, rated power dissipation of 1.5 W, and temperature coefficient of 150 ppm/°C make it ideal for PCB mount applications requiring precise resistance adjustments in a wide temperature range from -55 to 125 °C.
3852A-287-103AL
Bourns 3852A-287-103AL is a linear potentiometer with 10000 ohm resistance, 10% tolerance, and 2W power dissipation. It has a temperature coefficient of 150 ppm/°C and operates b/w -1 to 125 °C. Ideal for panel mount applications requiring precise resistance adjustments in a cylindrical package.
3296Y-1-202LF
Bourns 3296Y-1-202LF is a multi-turn cermet trimmer resistor with 2000 ohm resistance, 25 turns, and linear resistance law. It operates b/w -55 to 125 °C and has a tolerance of 10%. Ideal for applications requiring precise voltage adjustments in circuits with operating voltages up to 300 V.
T73YU103KT20
Vishay Intertechnology's T73YU103KT20 is a 10000 ohm linear trimmer resistor with 3 terminals. It has a rated power dissipation of 0.5W and operates b/w -55 to 125 °C. Ideal for PCB mounting, it features a screw actuator and is commonly used in applications requiring precise resistance adjustments.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
3345P-1-202
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 2000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-202T
3345P-1-101
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 100 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-100T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-100
3345P-1-101T
3345P-1-102T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 1000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-102
3345P-1-103
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-200
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 20 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-201T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 200 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-201
3345P-1-203T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 20000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-500T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 50 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-500
3345P-1-501T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 500 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-501
3345P-1-502T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 5000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-503T
TRIMMER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 50000 ohm; Rated Power Dissipation (P): 1 W; Maximum Operating Temperature: 150 Cel; Tolerance: 5 %;
3345P-1-503
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