Transistor B511 PNP 1.5A 35V
7,99 EGP
Transistor B511 PNP 1.5A 35V
Description:Transistor B511 PNP 1.5A 35V
The B511 Transistor is a high-performance PNP bipolar junction transistor (BJT) engineered for medium-power amplification and general-purpose switching applications. The B511 Transistor provides excellent gain characteristics, low saturation voltage, and reliable current handling, making it ideal for audio amplifiers, driver circuits, and low-voltage control systems.
Operating at a collector current of 1.5A and a collector-emitter voltage of 35V, the B511 Transistor ensures strong, stable, and efficient electrical performance under continuous operation. Moreover, its low collector-emitter saturation voltage reduces power dissipation, while its high DC current gain (hFE) enhances signal amplification and overall circuit efficiency. Therefore, it is a preferred component for both consumer and industrial electronics requiring dependable medium-current switching.
In addition, the B511 Transistor utilizes epitaxial planar technology, which provides fast switching response, improved frequency behavior, and excellent linearity. The TO-126 package offers superior thermal conductivity, compact design, and long service life. Consequently, the B511 Transistor can operate efficiently even in demanding applications with moderate heat generation.
Key Features:
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PNP Power Transistor: Designed for medium-voltage, medium-current applications.
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Collector-Emitter Voltage: Rated at 35V for reliable operation.
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Collector Current: Handles up to 1.5A continuous load.
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High DC Gain (hFE): Provides stable amplification and consistent signal quality.
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Low Saturation Voltage: Minimizes energy loss and heat production.
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Fast Switching Speed: Suitable for power and control circuits.
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TO-126 Package: Ensures excellent heat dissipation and durability.
Applications:
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Audio amplifier and preamplifier circuits
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Motor driver and control systems
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Power regulation and low-voltage switching
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Industrial automation and control boards
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Hobby and educational electronics projects
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Signal processing and sensor interface modules
Electrical Characteristics (Typical Values):
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | Vceo | 35 | V |
| Collector Current | Ic | 1.5 | A |
| Power Dissipation | Ptot | 1.5 | W |
| DC Current Gain | hFE | 60–240 | – |
| Saturation Voltage | Vce(sat) | 0.25 | V |
| Transition Frequency | fT | 80 | MHz |
| Operating Temperature | Tj | -55 to +150 | °C |
Advantages:
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Excellent amplification efficiency for both analog and digital systems.
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Low thermal loss improves overall system energy efficiency.
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Stable gain performance across a wide temperature range.
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Compact and reliable package, suitable for tight PCB layouts.
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Durable and long-lasting design, ideal for professional applications.
Summary:
The B511 Transistor is a durable and efficient PNP transistor rated at 1.5A and 35V, designed for audio amplifiers, motor drivers, and low-voltage power control circuits. It offers fast switching performance, low power loss, and excellent thermal stability, making it ideal for industrial and consumer-grade electronic devices.
Furthermore, its compact TO-126 package and high gain make it easy to integrate into both prototype and production-level designs. In conclusion, the B511 Transistor stands out as a reliable, versatile, and efficient choice for engineers, technicians, and electronics enthusiasts who value stability and performance.


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