2SC458 Silicon NPN Transistor: Datasheet pdf, Equivalent and Pinout
2SC458 datasheet pdf and Unclassified product details from HITACHI LTD stock available at Utmel









The 2SC458 transistor is an NPN BJT transistor with a TO-92 packaging. This article will mainly cover pinout, equivalents, datasheet pdf, features, and other details about the 2SC458 transistor.

2SC458 HITACHI MARZAP300 TRANSISTORES MULTI COMERCIAL PRE PHONO AMILSOM
What is 2SC458?
The 2SC458 transistor is an NPN BJT transistor with a TO-92 packaging. The transistor is designed for use in low-frequency amplifiers, but it can also be utilized in a wide range of other applications. Because the transistor's maximum collector current is 100mA, it can also be utilized to drive a 100mA load with a load voltage of less than 30V. The DC gain ranges from 100 to 500, with a maximum collector dissipation of 200mW. The transistor has a low noise figure of 4 to 10 dB, making it appropriate for a range of low-level audio and other signal amplification applications. Because the transistor's maximum transition frequency is 230MHz, it can be employed in a wide range of RF applications below that frequency.
2SC458 Pinout

2SC458 Pinout
2SC458 Features
Collector-Emitter Volt (Vceo): 30V
Collector-Base Volt (Vcbo): 30V
Collector Current (Ic): 0.1A
hfe: 100-500 @ 2mA
Power Dissipation (Ptot): 200mW
Current-Gain-Bandwidth (ftotal): 230MHz
Type: NPN
Specifications
- TypeParameter
- Surface Mount
having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.
NO - Number of Terminals3
- Operating Temperature (Max.)150°C
- JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e0 - Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Tin/Lead (Sn/Pb) - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
BOTTOM - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
THROUGH-HOLE - JESD-30 Code
JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.
O-PBCY-T3 - Qualification Status
An indicator of formal certification of qualifications.
Not Qualified - Configuration
The parameter "Configuration" in electronic components refers to the specific arrangement or setup of the components within a circuit or system. It encompasses how individual elements are interconnected and their physical layout. Configuration can affect the functionality, performance, and efficiency of the electronic system, and may influence factors such as signal flow, impedance, and power distribution. Understanding the configuration is essential for design, troubleshooting, and optimizing electronic devices.
Single - Polarity/Channel Type
In electronic components, the parameter "Polarity/Channel Type" refers to the characteristic that determines the direction of current flow or the type of signal that can be accommodated by the component. For components like diodes and transistors, polarity indicates the direction in which current can flow through the component, such as forward bias or reverse bias for diodes. For components like MOSFETs or JFETs, the channel type refers to whether the component is an N-channel or P-channel device, which determines the type of charge carriers that carry current through the component. Understanding the polarity or channel type of a component is crucial for proper circuit design and ensuring that the component is connected correctly to achieve the desired functionality.
NPN - JEDEC-95 Code
JEDEC-95 Code is a standardized identification system used by the Joint Electron Device Engineering Council to categorize and describe semiconductor devices. This code provides a unique alphanumeric identifier for various memory components, ensuring consistency in documentation and communication across the electronics industry. The format includes information about the type, capacity, and technology of the device, facilitating easier specification and understanding for manufacturers and engineers.
TO-92 - Transition Frequency
Transition Frequency in electronic components refers to the frequency at which a device can transition from one state to another, typically defining the upper limit of its operating frequency. It is a critical parameter in determining the speed and performance of active components like transistors and integrated circuits. This frequency is influenced by factors such as capacitance, resistance, and the inherent characteristics of the materials used in the component's construction. Understanding transition frequency is essential for optimizing circuit designs and ensuring reliable signal processing in various applications.
230MHz - Power Dissipation-Max (Abs)
Power Dissipation-Max (Abs) refers to the maximum amount of power that an electronic component can dissipate without undergoing thermal damage or degradation. This value is crucial for ensuring reliable operation, as exceeding it can result in overheating and failure. It is typically specified in watts and serves as a critical parameter for designers to determine proper heat management strategies in circuits. Properly managing the power dissipation is essential for the longevity and performance of electronic devices.
0.2W - Collector Current-Max (IC)
The parameter "Collector Current-Max (IC)" in electronic components refers to the maximum amount of current that can safely flow through the collector terminal of a transistor without causing damage to the component. It is an important specification that indicates the upper limit of current that the transistor can handle under normal operating conditions. Exceeding this maximum current rating can lead to overheating and potentially result in the failure of the transistor. Designers must ensure that the collector current does not exceed this specified limit to prevent damage to the component and ensure reliable operation of the circuit.
0.1A - DC Current Gain-Min (hFE)
The parameter "DC Current Gain-Min (hFE)" in electronic components refers to the minimum value of the DC current gain of a bipolar junction transistor (BJT). It is a measure of how much the transistor amplifies the input current to produce the output current. The hFE value indicates the ratio of the output current to the input current when the transistor is operating in the active region. A higher hFE value signifies a higher current gain and better amplification capabilities of the transistor. It is an important parameter to consider when designing and analyzing transistor circuits for various electronic applications.
100 - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
Non-RoHS Compliant
2SC458 Applications
Audio Preamplifier Circuits
Audio Amplifier Circuits
Audio Preamplifiers Stages
Driving or Switching Loads under 100mA
Amplification of any low gain signal
RF Circuits
2SC458 Equivalents
2SA1029, 2N3708, 2SC1815, 2SC2458, 2SC2960, 2SC3114, 2SC3198, 2SC3199, 2SC3330, 2SC3331, 2SC3382, 2SC3383, 2SC3916, 2SC3917, 2SC3918, 2SC3919, 2SC3920, 2SC3921, 2SC3922, 2SC3923
Where and How to use 2SC458
The 2SC458 can be utilized in a wide range of applications. When used as a switch, it can drive up to 100mA of current, which can be used to power relays, LEDs, ICs, high-power transistors, and many other components in your circuit. Other than that, it can be used to amplify extremely low gain signals to high gain with noise filtration, for example, it can be used to amplify very low gain audio to high gain, RF signals, and any other sort of low level or low gain signal.
2SC458 Dimensions

2SC458 Dimensions
2SC458 Manufacturer
The Hitachi Group, with about 335,000 workers globally, is a global leader in the Social Innovation Business. Hitachi provides solutions to clients in a wide variety of industries, including Power / Energy, Industry / Distribution / Water, Urban Development, and Finance / Government & Public / Healthcare, via collaborative development.
What type is the 2SC458?
The 2sc458 is a silicon NPN transistor.
What is the complementary of 2SC458?
The PNP Complementary of 2SC458 is 2SA1029
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