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
Power Field-Effect Transistors; Peak Reflow Temperature (C): NOT SPECIFIED; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED;
Median Price
$1.196
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$1.080
100+ parts
$0.957
1k+ parts
10k+ parts
DigiKey
$3.780
$1.767
-
Verical
Digiode
$1.026
Vyrian
Anansix
Bristol Electronics
$1.478
$1.298
Dan-Mar Components
Corphita
$0.972
IDEA Electronic Components Group
$1.019
$0.917
MKK Technologies
$1.917
DigiPath Technology Company
Microchip USA
$21.580
A-Z Elektronik GmbH
Alle Elektronik GmbH
Parana Technologies
$1.219
Perfect Parts
Kepictronics
Power Field Effect Transistors (FET) STFI13N60M2 attributes and parameters. Explore more Power Field Effect Transistors (FET) devices from STMicroelectronics
Peak Reflow Temperature (C):
Maximum Time At Peak Reflow Temperature (s):
STFI13N60M2 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
2N7002
Dc Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Terminal Form: GULL WING;
MBR130T1G
Onsemi
MBR130T1G by Onsemi is a Schottky rectifier diode with max output current of 1A and max repetitive peak reverse voltage of 30V. It operates b/w -65 to 125°C, suitable for surface mount applications in electronics requiring low forward voltage drop.
LM317T
Analog Devices
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; No. of Functions: 1; Package Body Material: PLASTIC/EPOXY; Surface Mount: NO;
1N4148
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
MBR0520LT1
Motorola
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBF170LT1G
Rochester Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Package Style (Meter): SMALL OUTLINE; No. of Terminals: 3;
LM358N
Taejin Technology
OPERATIONAL AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM107H/883C
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Wideband: NO;
BSS138PS,115
Nexperia
N-CHANNEL; Configuration: SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 2; No. of Terminals: 6; Minimum DS Breakdown Voltage: 60 V;
ULN2003ADR
Texas Instruments
ULN2003ADR by Texas Instruments is a NPN BJT with 7 elements, max IC of 0.5A, and VCEsat of 1.6V. Ideal for switching applications in small outline packages with Gull Wing terminals.
LAN8720A-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: OTHER; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
Itt Semiconductor
BAV99
Vishay Sprague
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317LMX/NOPB
LM317LMX/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max input-output voltage differential of 40V. It operates in temperatures ranging from -40°C to 125°C and has a max output current of 0.1A, making it suitable for various applications requiring precise voltage regulation.
ABS25-32.768KHZ-T
Abracon
Abracon's ABS25-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency, such as IoT devices and precision timing systems in industrial settings.
M39029/58-360
Tri-star Electronics International
CONNECTOR ACCESSORY; Material: COPPER ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; MIL-Connector Accessory Name: CONTACT; Terminal Type: CRIMP;
0462-201-16141
TE Connectivity
TE Connectivity's 0462-201-16141 is a CRIMP terminal with MACHINED contact design. It operates b/w -55 to 125 °C, suitable for wire gauges from 20 to 16 AWG. With a rated current of 13A, it is ideal for applications requiring FEMALE ROUND PIN-SOCKET contacts.
ULN2803ADWR
ULN2803ADWR by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85°C, has a max supply voltage of 3V, and is ideal for buffer or inverter-based applications requiring sink current flow direction.
STM32H753IIK6
STMicroelectronics
STM32H753IIK6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and peripherals like CAN, ETHERNET, and USB. Ideal for industrial applications requiring high-speed processing and extensive connectivity options.
EU2B-YS3303C
Idec
ROTARY SWITCH;
IRFD110PBF
Vishay Intertechnology
Power Field-Effect Transistors; Qualification: Not Qualified; Terminal Finish: PURE MATTE TIN; Moisture Sensitivity Level (MSL): 1; Maximum Drain Current (Abs) (ID): 1 A; Peak Reflow Temperature (C): 260;
2N7002DW
Diodes Incorporated
N-CHANNEL; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Finish: Tin/Lead (Sn/Pb); Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Operating Mode: ENHANCEMENT MODE;
IRFP460BPBF
Vishay Intertechnology's IRFP460BPBF is a N-CHANNEL Power FET with 500V DS Breakdown Voltage. Ideal for SWITCHING applications, it features 62A IDM and 0.25 ohm RDS(on). The transistor operates in ENHANCEMENT MODE with an EAS of 281mJ, making it suitable for high-power tasks.
IRLL014NTRPBF
International Rectifier
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 2.1 W; Moisture Sensitivity Level (MSL): 1; Package Body Material: PLASTIC/EPOXY;
IRF540STRLPBF
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JEDEC-95 Code: TO-263AB; Operating Mode: ENHANCEMENT MODE; Maximum Pulsed Drain Current (IDM): 110 A;
IRLML0100TRPBF
Infineon Technologies
IRLML0100TRPBF by Infineon is a N-CHANNEL FET with 100V DS breakdown voltage, ideal for SWITCHING applications. It features a max drain current of 1.6A, 0.22 ohm on-resistance, and 1.3W power dissipation in a SMALL OUTLINE package. Operating from -55 to 150 °C, it's suitable for various ENHANCEMENT MODE switching tasks.
Weitron Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Terminal Finish: TIN LEAD; Maximum Operating Temperature: 150 Cel;
PMV20ENR
NXP Semiconductors
PMV20ENR by NXP Semiconductors is an N-CHANNEL FET with a max drain current of 7.6A and power dissipation of 6.94W in enhancement mode. Ideal for applications requiring high-power handling, it operates at temperatures up to 150°C and features surface mount configuration for easy installation.
FQT5P10TF
FQT5P10TF by Onsemi is a P-CHANNEL Power FET with 100V DS Breakdown Voltage. Ideal for SWITCHING applications, it features a 4A IDM and 55mJ EAS. With a small outline package style and matte tin finish, this MOSFET operates in ENHANCEMENT MODE up to 150°C.
FDMS86101
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 104 W; Minimum DS Breakdown Voltage: 100 V; Terminal Position: DUAL;
IRF7303TRPBF
N-CHANNEL; Configuration: SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): 30; JESD-609 Code: e3; Operating Mode: ENHANCEMENT MODE;
JANTX2N6796U
Microsemi
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Body Material: CERAMIC, METAL-SEALED COFIRED; Additional Features: HIGH RELIABILITY; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
IRFP460
N-CHANNEL; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 280 W; Operating Mode: ENHANCEMENT MODE; JEDEC-95 Code: TO-247AC;
SI7489DP-T1-GE3
Vishay Intertechnology's SI7489DP-T1-GE3 is a P-CHANNEL FET with 100V DS Breakdown Voltage, ideal for SWITCHING applications. It features 40A IDM, 61mJ EAS, and 0.041 ohm Drain-Source On Resistance. Operating in Enhancement Mode, it has a max temp of 150°C and -55°C min temp.
STW11NK100Z
STW11NK100Z by STMicroelectronics is a N-CHANNEL power FET with 1000V DS breakdown voltage. It is used for switching applications, with max drain current of 8.3A and on-resistance of 1.38 ohm.
IRF9Z34NSTRLPBF
IRF9Z34NSTRLPBF by Infineon Technologies is a P-CHANNEL FET with 55V DS Breakdown Voltage, ideal for SWITCHING applications. It features a max IDM of 68A and 0.1 ohm RDS(ON), suitable for ENHANCEMENT MODE operation in various electronic devices. The transistor comes in a PLASTIC/EPOXY package with GULL WING terminals, making it easy to mount on PCBs.
IRF640NLPBF
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 150 W; Maximum Pulsed Drain Current (IDM): 72 A; JEDEC-95 Code: TO-262AA;
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Terminal Position: SINGLE; Terminal Finish: Matte Tin (Sn) - with Nickel (Ni) barrier; Additional Features: AVALANCHE RATED, HIGH RELIABILITY;
IRFB4227PBF
IRFB4227PBF by Infineon is a N-CHANNEL FET with 200V DS Breakdown Voltage, ideal for SWITCHING applications. It features 260A IDM and 0.024 ohm RDS(on), operating in ENHANCEMENT MODE. With a max power dissipation of 330W, it is suitable for high-power electronic systems.
IRFS4410ZTRLPBF
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 230 W; Terminal Form: GULL WING; Transistor Application: SWITCHING;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
STFI15N60M2-EP
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 25 W; Maximum Pulsed Drain Current (IDM): 44 A; No. of Elements: 1;
STFI130N10F3
N-CHANNEL; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 35 W; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Maximum Drain Current (Abs) (ID): 46 A;
STFI10NK60Z
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 35 W; JESD-30 Code: R-PSFM-T3; Minimum DS Breakdown Voltage: 600 V;
STFI13NM60N
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; No. of Elements: 1; Package Style (Meter): IN-LINE; Maximum Drain-Source On Resistance: .36 ohm;
STFI13N65M2
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 25 W; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; JESD-30 Code: R-PSFM-T3;
STFI11NM65N
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 25 W; Maximum Drain Current (Abs) (ID): 11 A; No. of Terminals: 3;
STFI15N65M5
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Pulsed Drain Current (IDM): 44 A; Package Body Material: PLASTIC/EPOXY; JESD-30 Code: R-PSIP-T3;
STFI10N60M2
Power Field-Effect Transistors;
STFI11N60M2-EP
STFI13NK60Z
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Transistor Application: SWITCHING; Maximum Drain Current (ID): 13 A; Package Shape: RECTANGULAR;
STFI13N80K5
N-CHANNEL; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 35 W; Maximum Drain Current (ID): 12 A; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED;
STFI11N65M5
STFI14N80K5
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): 30 W; Transistor Application: SWITCHING; Maximum Operating Temperature: 150 Cel;
STFI10N65K3
STFI12N60M2
STFI10LN80K5
STFI10N62K3
STFI11N65M2
STFI13N95K3
N-CHANNEL; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 40 W; Maximum Drain Current (ID): 10 A; Maximum Operating Temperature: 150 Cel;
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