How to Use the S8550 Transistor in Push Pull Configuration?

Sophie

Published: 21 June 2022 | Last Updated: 21 June 2022

9173

S8550-D-BP

S8550-D-BP

Micro Commercial Co

TRANSISTOR TO-92

Purchase Guide

TRANSISTOR TO-92

S8550 is a popular transistor because it is a dependable low-cost transistor with excellent technical qualities. This post will introduce S8550's pinout, equivalent, circuit, how to use and more details about S8550.

transistor S8550 and S8050

HOW TO TEST TRANSISTOR S8550 and S8050

S8550 Pinout

S8550 Pinout.jpg

S8550 Pinout

S8550 Overview

S8550 is a popular transistor because it is a dependable low-cost transistor with excellent technical qualities. It is intended for audio amplification and other general purposes in electrical circuits, but it is also commonly utilized in commercial appliances.


S8550 CAD Model

S8550 Symbol 

S8550 Symbol.jpg

S8550 Symbol

S8550 Footprint

S8550 Footprint.jpg

S8550 Footprint

S8550 3D Model

S8550 3D Model.jpg

S8550 3D Model

S8550 Equivalents

The equivalents for S8550:

BC527

KSA708

MPS750


S8550 Complementary NPN Transistor

The Complementary NPN Transistor for S8550 is S8050.

Where to Use S8550?

Because the S8550 is a general-purpose transistor, you can use it at the output of your audio amplifier circuits to amplify the output audio signal to 1 watt, for example, in electronic doorbell circuits, mp3 audio amplifiers, and buzzer circuits. If you wish to use it as a switch, you can easily control large relays, numerous small LEDs at once, and one or two high-power LEDs ranging from 10 to 20 watts, turning on another piece or application in an electronic project/circuit, and so on. Furthermore, it can be used as an alternative or equivalent to a variety of other general-purpose transistors, and it is an excellent transistor for use in hobby electronic projects. It is a must to have a transistor in your electronics lab.


How to Use the S8550 transistor in Push Pull Configuration?

The S8550 transistor, as noted in the features, is typically used in a push-pull configuration with a Class B amplifier. So let us talk about how that is done.

 S8550 Schematic.jpg

S8550 Schematic

A push-pull amplifier, often known as a Class B amplifier, is a form of multistage amplifier that is commonly used for loudspeaker audio amplification. It is fairly simple to build and requires two identical complementary transistors to function. By complementary, we imply that we require an NPN transistor and its PNP equivalent. In this case, the NPN transistor is S8050, while the PNP transistor is S8550. The circuit above is a simple circuit diagram of a Class B amplifier using the S8050.

 

Specifications

Micro Commercial Co S8550-D-BP technical specifications, attributes, parameters and parts with similar specifications to Micro Commercial Co S8550-D-BP.
  • Type
    Parameter
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Through Hole
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    TO-226-3, TO-92-3 (TO-226AA)
  • 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
  • Transistor Element Material

    The "Transistor Element Material" parameter in electronic components refers to the material used to construct the transistor within the component. Transistors are semiconductor devices that amplify or switch electronic signals and are a fundamental building block in electronic circuits. The material used for the transistor element can significantly impact the performance and characteristics of the component. Common materials used for transistor elements include silicon, germanium, and gallium arsenide, each with its own unique properties and suitability for different applications. The choice of transistor element material is crucial in designing electronic components to meet specific performance requirements such as speed, power efficiency, and temperature tolerance.

    SILICON
  • Current-Collector (Ic) (Max)
    500mA
  • Number of Elements
    1
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -55°C~150°C TJ
  • 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.

    e3
  • Pbfree Code

    The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

    yes
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Last Time Buy
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    3
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • 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.

    Matte Tin (Sn)
  • 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
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    NOT SPECIFIED
  • Time@Peak Reflow Temperature-Max (s)

    Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.

    NOT SPECIFIED
  • Pin Count

    a count of all of the component leads (or pins)

    3
  • 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
  • Power - Max

    Power - Max is a parameter that specifies the maximum amount of power that an electronic component can handle without being damaged. It is typically measured in watts and indicates the upper limit of power that can be safely supplied to the component. Exceeding the maximum power rating can lead to overheating, malfunction, or permanent damage to the component. It is important to consider the power-max rating when designing circuits or systems to ensure proper operation and longevity of the electronic components.

    625MW
  • 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.

    PNP
  • Transistor Type

    Transistor type refers to the classification of transistors based on their operation and construction. The two primary types are bipolar junction transistors (BJTs) and field-effect transistors (FETs). BJTs use current to control the flow of current, while FETs utilize voltage to control current flow. Each type has its own subtypes, such as NPN and PNP for BJTs, and MOSFETs and JFETs for FETs, impacting their applications and characteristics in electronic circuits.

    PNP
  • DC Current Gain (hFE) (Min) @ Ic, Vce

    The parameter "DC Current Gain (hFE) (Min) @ Ic, Vce" in electronic components refers to the minimum value of the DC current gain, denoted as hFE, under specific operating conditions of collector current (Ic) and collector-emitter voltage (Vce). The DC current gain hFE represents the ratio of the collector current to the base current in a bipolar junction transistor (BJT), indicating the amplification capability of the transistor. The minimum hFE value at a given Ic and Vce helps determine the transistor's performance and efficiency in amplifying signals within a circuit. Designers use this parameter to ensure proper transistor selection and performance in various electronic applications.

    160 @ 50mA 1V
  • Current - Collector Cutoff (Max)

    The parameter "Current - Collector Cutoff (Max)" refers to the maximum current at which a transistor or other electronic component will cease to conduct current between the collector and emitter terminals. This parameter is important in determining the maximum current that can flow through the component when it is in the cutoff state. Exceeding this maximum cutoff current can lead to malfunction or damage of the component. It is typically specified in the component's datasheet and is crucial for proper circuit design and operation.

    200nA
  • Vce Saturation (Max) @ Ib, Ic

    The parameter "Vce Saturation (Max) @ Ib, Ic" in electronic components refers to the maximum voltage drop across the collector-emitter junction when the transistor is in saturation mode. This parameter is specified at a certain base current (Ib) and collector current (Ic) levels. It indicates the minimum voltage required to keep the transistor fully conducting in saturation mode, ensuring that the transistor operates efficiently and does not enter the cutoff region. Designers use this parameter to ensure proper transistor operation and to prevent overheating or damage to the component.

    600mV @ 50mA, 500mA
  • Voltage - Collector Emitter Breakdown (Max)

    Voltage - Collector Emitter Breakdown (Max) is a parameter that specifies the maximum voltage that can be applied between the collector and emitter terminals of a transistor or other semiconductor device before it breaks down and allows excessive current to flow. This parameter is crucial for ensuring the safe and reliable operation of the component within its specified limits. Exceeding the maximum breakdown voltage can lead to permanent damage or failure of the device. Designers and engineers must carefully consider this parameter when selecting components for their circuits to prevent potential issues and ensure proper functionality.

    25V
  • 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.

    150MHz
  • Frequency - Transition

    The parameter "Frequency - Transition" in electronic components refers to the maximum frequency at which a signal transition can occur within the component. It is a crucial specification for digital circuits as it determines the speed at which data can be processed and transmitted. A higher frequency transition allows for faster operation and better performance of the electronic component. It is typically measured in hertz (Hz) or megahertz (MHz) and is specified by the manufacturer to ensure proper functioning of the component within a given frequency range.

    150MHz
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
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Datasheet PDF

Download datasheets and manufacturer documentation for Micro Commercial Co S8550-D-BP.

S8550 Manufacturer

Founded in 1991, Micro Commercial Components Corp. (MCC) is a manufacturer of high-quality discrete semiconductors for the consumer markets. MCC's products include diodes, rectifiers, transistors, MOSFETs, voltage regulators and protection devices.

S8550-D-BP

Micro Commercial Co

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