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
MC33762DM-3030RG by Onsemi is a BIPOLAR LDO Regulator with 2 outputs. It has a fixed output voltage of 3V, dropout voltage of 0.25V, and can handle up to 0.08A output current. Ideal for applications requiring stable multiple positive outputs in compact spaces.
Median Price
$0.372
Lifecycle Status
Suppliers In-Stock
7
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$2.560
100+ parts
$0.854
1k+ parts
$0.566
10k+ parts
-
Rochester
$0.309
$0.275
DigiKey
$0.320
Farnell
$0.249
Verical
$0.386
$0.344
Vyrian
Digiode
$0.290
Corohmni
Corphita
$0.274
Perfect Parts
Continental Prestige Electronics
Problanco Electronics
A-Z Elektronik GmbH
SupplyDigital Components
Kepictronics
Authorized Procurement Solutions
GreenTree Electronics
Kulean Microsystems
UHIMA Technologies
TANS Electronics
Microchip USA
Provides durability and protection for the internal components, ensuring long-term reliability.
Allows for a low dropout voltage, reducing power dissipation and improving efficiency.
Facilitates easy and efficient PCB assembly, saving time and effort during manufacturing.
Ensures stable and reliable performance even in high-temperature environments.
Provides multiple outputs, offering flexibility and versatility in power supply applications.
Delivers precise regulation and low noise for sensitive electronic systems.
Provides a stable output voltage for powering various components in a circuit.
Enables easy soldering and secure connection to the PCB.
Ensures a reliable minimum output voltage for the connected components.
Maintains tight voltage regulation, ensuring consistent performance.
Allows for compact and space-saving design, ideal for applications with limited space.
Provides a fixed output voltage, eliminating the need for external adjustment components.
Ensures reliable operation within specified temperature limits.
Maintains stable output voltage even with variations in input voltage.
Allows for operation in extreme cold conditions without performance degradation.
Provides multiple regulated output voltages with low dropout for various components.
Ensures reliable electrical contact and corrosion resistance for long-term reliability.
Facilitates easy PCB layout and connection to external components.
Withstands high-temperature reflow soldering processes during manufacturing.
Fixed Regulators - Positive Multiple Output LDO MC33762DM-3030RG attributes and parameters. Explore more Fixed Regulators - Positive Multiple Output LDO devices from Onsemi
Adjustability:
Maximum Dropout Voltage-1:
Nominal Dropout Voltage-1:
Maximum Dropout Voltage-2:
Maximum Input Voltage Absolute:
Maximum Input Voltage:
Minimum Input Voltage:
JESD-30 Code:
JESD-609 Code:
Length:
Maximum Line Regulation:
Maximum Load Regulation:
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Outputs:
No. of Terminals:
Operating Temperature (TJ-Max):
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Output Current-1:
Maximum Output Voltage-1:
Minimum Output Voltage-1:
Nominal Output Voltage-1:
Maximum Output Voltage-2:
Minimum Output Voltage-2:
Nominal Output Voltage-2:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Packing Method:
Peak Reflow Temperature (C):
Regulator Type:
Maximum Seated Height:
Surface Mount:
Technology:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Maximum Voltage Tolerance:
Width:
MC33762DM-3030RG Regulators trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Obsolescence/ EOL - PD24582XB 30-Mar-2022
PCN Design/Specification - Copper Wire Bond 08/May/2013
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
2N7002
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
1N4148
Shenzhen Yixinsemi Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
NE555/D
General Electric Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; Maximum Operating Temperature: 70 Cel; Technology: BIPOLAR; Package Equivalence Code: DIE OR CHIP; Qualification: Not Qualified;
MMBT2907ALT1G
Rochester Electronics
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Terminal Form: GULL WING;
BAV99
North American Philips Discrete Products Div
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Repetitive Peak Reverse Voltage: 70 V; Maximum Reverse Recovery Time: .006 us; Maximum Output Current: .1 A;
KSZ9031RNXIC
Micrel
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
Vicor
M39029/58-360
Molex
CONNECTOR ACCESSORY; Alternate Contact Sources: MILITARY; Removal Tool Sources: MILITARY; Material: COPPER ALLOY; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354;
BAV99WT1G
Onsemi
BAV99WT1G by Onsemi is a series connected diode with 0.006 us reverse recovery time. It is a small outline rectifier diode with 70V peak reverse voltage, ideal for surface mount applications in electronics requiring fast switching and low forward voltage drop.
LM358N
Samsung
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Qualification: Not Qualified;
MICRODIODE ELECTRONICS SHENZHEN CO LTD
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148-GS08
Telefunken Microelectronics
RECTIFIER DIODE; Surface Mount: YES; JESD-609 Code: e0; No. of Elements: 1; Maximum Operating Temperature: 175 Cel; Maximum Non Repetitive Peak Forward Current: 2 A;
FDC5614P
FDC5614P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features 20A Max IDM and 0.105 ohm RDS(ON), operating in ENHANCEMENT MODE at -55 to 150 °C. This SMALL OUTLINE transistor has a built-in diode, GULL WING terminals, and METAL-OXIDE SEMICONDUCTOR technology.
Kec
SS14
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
General Semiconductor
Kingwell Technonlogy
FDLL4148
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
NCV8154MW180250TBG
NCV8154MW180250TBG by Onsemi is a Fixed Positive Multiple Output LDO Regulator with 2.5V nominal output voltage, 0.3A max output current, and 3% max voltage tolerance. Ideal for applications requiring stable power supply in automotive electronics and industrial control systems.
TLV7111233DSET
Texas Instruments
TLV7111233DSET by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 2 outputs. It offers a Nominal Output Voltage of 1.2 V and 3.3 V, with Max Dropout Voltage of 0.2 V. Ideal for applications requiring stable voltage regulation in compact electronic devices.
TLV7163318PDPQT
TLV7163318PDPQT by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 1.8V and 3.3V nominal output voltages, suitable for applications requiring low dropout voltage of 0.575V and operating temperatures from -40 to 125°C. It features a small outline package style with no-lead terminals, making it ideal for compact designs in various electronic devices.
E-L5950
STMicroelectronics
E-L5950 by STMicroelectronics is a fixed positive multiple output LDO regulator with a max dropout voltage of 0.9V and supports up to 5 outputs. It delivers nominal voltages of 10V and 8.5V, ideal for powering various electronic devices. With a compact flange mount design, it’s perfect for space-constrained applications.
TLV751180300PDSQR
TLV751180300PDSQR by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 2 outputs. It has a Max Dropout Voltage of 0.19 V and 0.14 V, suitable for applications requiring stable voltage regulation in compact spaces. Operating temperature range from -40 to 125°C makes it versatile for various electronic devices.
SCY99250CFCT200220T2G
SCY99250CFCT200220T2G by Onsemi is a Fixed Positive Multiple Output LDO Regulator with 2 outputs. It has a Nominal Output Voltage-1 of 2V and Max Voltage Tolerance of 2%. This regulator, suitable for various applications, operates in temperatures ranging from -40 to 85 °C.
LP8900TLE-AAAH/NOPB
LP8900TLE-AAAH/NOPB by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 2.7V nominal output voltage, 2.25% max voltage tolerance, and 0.2A max output current per channel. Ideal for applications requiring precise voltage regulation in compact electronic devices.
LT3032MPDE#PBF
Linear Technology
FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR; Terminal Finish: MATTE TIN; JESD-609 Code: e3; Maximum Time At Peak Reflow Temperature (s): 30; Moisture Sensitivity Level (MSL): 1; Peak Reflow Temperature (C): 260;
LP5996SD-1525
LP5996SD-1525 by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 2.5V and 1.5V nominal output voltages, suitable for applications requiring low dropout voltages of 0.22V and 0.55V. This CMOS technology regulator has a max output current of 0.3A and operates in temperatures ranging from -40°C to 125°C, making it ideal for compact electronic devices needing stable power supply solutions.
MAX8530ETTKO
Analog Devices
Analog Devices' MAX8530ETTKO is a BICMOS technology-based LDO regulator with 2 outputs. It offers a max dropout voltage of 0.2V, operating temperature up to 150 °C, and a package style of small outline with very thin profile. Ideal for applications requiring fixed positive multiple output regulation in compact spaces.
L4903
STMicroelectronics L4903 is a Fixed Positive Multiple Output LDO Regulator with 2 outputs. It offers a Max Dropout Voltage of 0.9 V and operates in temperatures ranging from -40 to 150 °C. Ideal for applications requiring stable voltage regulation in electronic circuits.
LP2967ITP-1833/NOPB
FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR; Moisture Sensitivity Level (MSL): 1; JESD-609 Code: e1; Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 30; Terminal Finish: TIN SILVER COPPER;
TPS71926-15DRVT
TPS71926-15DRVT by Texas Instruments is a BICMOS technology-based LDO regulator with 2 outputs. It has a max input voltage of 7V and can deliver up to 0.2A output current per channel. Ideal for applications requiring fixed positive multiple output voltage regulation in compact spaces.
TPS71918-285DRVR
TPS71918-285DRVR by Texas Instruments is a BICMOS technology LDO regulator with 2 outputs. It has a dropout voltage of 0.4V, operating temperature range from -40 to 125°C, and max input voltage of 6.5V. Ideal for applications requiring stable power supply in compact spaces like portable electronics or IoT devices.
TLV711285285DDSET
TLV711285285DDSET by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 2.85V nominal output voltage, 0.215V max dropout voltage, and 0.2A max output current per channel. Ideal for applications requiring stable power supply in compact electronic devices.
LP5996SDX-3033/NOPB
LP5996SDX-3033/NOPB by Texas Instruments is a Fixed Positive Multiple Output LDO Regulator with 3.3V and 3V nominal output voltages, suitable for applications requiring low dropout voltages of 0.22V and 0.55V. It features a small outline package style, dual terminal position, and max input voltage of 6.5V, making it ideal for compact electronic devices with multiple power requirements.
MC33762DM-2525RG
MC33762DM-2525RG by Onsemi is a BIPOLAR LDO Regulator with 2 outputs. It has a fixed output voltage of 2.5V and max dropout voltage of 0.25V. Suitable for applications requiring precise voltage regulation in compact spaces, such as portable electronic devices.
CAT6221-SFTD-GT3
CAT6221-SFTD-GT3 by Onsemi is a Fixed Positive Multiple Output LDO Regulator with 2 outputs. It has a Nominal Output Voltage-1 of 3.3V and Max Dropout Voltage of 0.35V, suitable for applications requiring stable voltage regulation in compact spaces. Operating temperature ranges from -40 to 125 °C make it versatile for various electronic devices.
ADP3302AR3
Analog Devices' ADP3302AR3 is a BIPOLAR LDO Regulator with 2 outputs. It offers fixed output voltages of 3.3V, with a dropout voltage of 0.2V and max current of 0.1A per output. Ideal for applications requiring stable power supply in compact designs.
CS8361YDPS7
CS8361YDPS7 by Onsemi is a Fixed Positive Multiple Output LDO Regulator with 2 outputs. It offers a Max Dropout Voltage of 0.6V and 0.7V, suitable for applications requiring stable voltage regulation in a compact package. With an operating temperature range from -40 °C to 150°C, it is ideal for various electronic devices needing reliable power management solutions.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MC33762DM-2525R2
FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR; No. of Terminals: 8; Package Code: TSSOP; Terminal Form: GULL WING; Maximum Input Voltage Absolute: 12 V; Maximum Voltage Tolerance: 3 %;
MC33762DM-2525R2G
MC33762DM-2828R2
MC33762DM-2828R2G
MC33762DM-2828RG
MC33762DM-3030R2
MC33762DM-3030R2G
MC33765DTB
FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR; No. of Terminals: 16; Package Code: TSSOP; Terminal Form: GULL WING; Maximum Input Voltage Absolute: 5.3 V; Maximum Voltage Tolerance: 2 %;
MC33765DTB-030
FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR; No. of Terminals: 16; Package Code: TSSOP; Terminal Form: GULL WING; Maximum Voltage Tolerance: 3.6 %; Maximum Output Current-1: .03 A;
MC33765DTB-30R2
FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR; No. of Terminals: 16; Package Code: TSSOP; Terminal Form: GULL WING; Maximum Input Voltage Absolute: 5.3 V; Maximum Voltage Tolerance: 3 %;
MC33765DTBG
MC33765DTBR2
MC33765DTBR2G
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