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Description
BD139 transisterBD139 transister the bd139 transistor is a medium power npn bipolar junction transistor designed for both amplification and switching applications in electronic circuits. it is widely used in audio amplifier stages, motor driver circuits, power supply designs, relay control systems, and various diy electronics and embedded system projects. this transistor is more powerful than small signal transistors like bc547 or c1815 because it can handle higher
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Best in 7 days
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Brucbacher is great
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The author is a fantastic therapist and educator
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Reviewed in the United States on May 16, 2021
★★★★★ 5
Producto de grande sueños
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Información de alto valor
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Reviewed in the United States on December 16, 2025
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Mentalidad
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Un excelente libro para aprender sobre mentalidad
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Grate book.
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He comprado varios libros y este me ha cambiado la forma de ver las cosas en este mundo del emprendimiento.
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Reviewed in the United States on September 4, 2024
★★★★★ 5
Excelente 👌
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Muy bueno aprendes cosas que no tenia ni idea gracias
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Reviewed in the United States on November 1, 2024
