Allicdata Part #: | MMBTA28TR-ND |
Manufacturer Part#: |
MMBTA28 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | ON Semiconductor |
Short Description: | TRANS NPN DARL 80V 0.8A SSOT3 |
More Detail: | Bipolar (BJT) Transistor NPN - Darlington 80V 800m... |
DataSheet: | MMBTA28 Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Transistor Type: | NPN - Darlington |
Current - Collector (Ic) (Max): | 800mA |
Voltage - Collector Emitter Breakdown (Max): | 80V |
Vce Saturation (Max) @ Ib, Ic: | 1.5V @ 100µA, 100mA |
Current - Collector Cutoff (Max): | 500nA |
DC Current Gain (hFE) (Min) @ Ic, Vce: | 10000 @ 100mA, 5V |
Power - Max: | 350mW |
Frequency - Transition: | 125MHz |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | 3-SSOT |
Base Part Number: | MMBTA28 |
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The MMBTA28 is a single bipolar junction transistor (BJT) designed primarily for use in applications that require high voltage and a high current capacity. It has been widely used in switching application circuits, light- and sound-based consumer electronics, and input and output stages of circuit designs. This article focuses on explaining the applications, working principles and various types of the MMBTA28 transistor.
ApplicationsThe MMBTA28 has been used in a variety of areas, owing to its impressive performance and efficiency, and its capabilities in terms of voltage and current handling. These include power amplifiers, inverters, Class D amplifiers, switching supplies, variable-speed drives, and various general-purpose switching applications. It has also been used for audio-frequency applications, such as amplifying or rectifying signals or controlling sound and light effects. In addition, it can be used in pulse amplitude modulation amplifiers and in high-frequency, high-amplitude applications. The MMBTA28 can also be used to directly control the magnitude of currents and voltages in AC or DC circuits.
Working PrincipleThe MMBTA28 is a NPN (Negative-Positive-Negative) junction transistor. It consists of three regions or layers, one of which contains a small amount of charge carriers (electrons or holes) that function as the principal conduction mechanism. When a control current from a base-collector junction is passed through the transistor, it produces a new current in the collector-emitter junction, allowing the device to amplify the voltage and current passed. The device consists of three input and output terminals: the Base, the Collector and the Emitter. The base is typically connected to a low-level power source, such as a battery, for the purpose of providing the control current. The collector terminal is connected in series with the load, such as a lamp or speaker, that is to be controlled. The emitter is connected to the ground, completing the circuit.
VariantsThe MMBTA28 is available in a variety of packages, each offering different performance characteristics. The most common package is an 8-pin dual-in-line plastic package (DIP). It has an ‘A’ variant that performs notably better at higher frequencies, while a ‘C’ variant has a higher current rating, making it more suitable for high current applications. The MMBTA28 can also be found in other packages, including a surface-mount package and a through-hole package.
ConclusionThe MMBTA28 has proved to be an invaluable tool for engineers, developers, and hobbyists alike, thanks to its versatility and performance. Its ability to control the magnitude of both currents and voltages, in both AC and DC circuits, make it a popular choice for a variety of switching applications. It is available in a range of packages and performance ratings, making it suitable for everything from radio frequency and audio-frequency applications, to high-current switching projects.
The specific data is subject to PDF, and the above content is for reference
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