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BC817-25

Name: BC817-25
Rating: 4.7 (12 reviews)

TRANS NPN 45V 0.8A SOT23-3

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製造商。部分 #BC817-25
包 SOT23
資料表 BC817-25 DataSheet
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規格

Package	Strip
ProductStatus	Active
TransistorType	NPN
Current-Collector(Ic)(Max)	800 mA
Voltage-CollectorEmitterBreakdown(Max)	45 V
VceSaturation(Max)@IbIc	700mV @ 50mA, 500mA
Current-CollectorCutoff(Max)	100nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce	160 @ 100mA, 1V
Power-Max	310 mW
Frequency-Transition	100MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

The BC817-25 is a general-purpose NPN bipolar junction transistor (BJT) commonly used in electronic circuits for switching and amplification applications. It is designed for low to medium power applications and features a maximum collector current (Ic) of 500 mA, a collector-emitter voltage (Vce) of 45 V, and a power dissipation of 500 mW.
The BC817-25 is part of the BC817 series, which includes various gain (hFE) ratings; the "-25" designation indicates a specific range of current gain. This transistor is suitable for driving small loads, such as LEDs, relays, and small motors.
Its compact size, low cost, and availability in various packages (like SMD and through-hole) make it a popular choice in hobbyist and commercial designs. Proper biasing and thermal management are essential for optimal performance and reliability in applications.

Features

The BC817-25 is a NPN bipolar junction transistor designed for general-purpose switching and amplification applications. Here are its key features:
1. Voltage Rating: Maximum collector-emitter voltage (Vce) of 45V, allowing for use in various circuits without risk of breakdown.
2. Current Rating: Maximum collector current (Ic) of 500mA, suitable for moderate load applications.
3. Gain: It has a current gain (hFE) range of 100 to 800, providing efficient amplification.
4. Package Type: Available in a TO-92 package, which is compact and easy to mount.
5. Temperature Range: Operating temperature ranges from -55°C to +150°C, making it robust for diverse environmental conditions.
6. Low Noise: Suitable for low-noise applications, contributing to improved audio and RF performance.
7. Applications: Commonly used in signal amplification, switching circuits, and audio applications.
These features make the BC817-25 a versatile choice in electronic design for both amateurs and professionals.

Package

The BC817-25 is typically packaged in a TO-92 plastic package. This package type is commonly used for small-signal transistors, offering a compact footprint suitable for various electronic applications.

Pinout

The BC817-25 is a standard NPN bipolar junction transistor (BJT) commonly used for low-power switching and amplification applications. It comes in a TO-92 package with three pins. The pin configuration is as follows:
1. Emitter (E): This pin is used to connect the emitter terminal of the transistor.
2. Base (B): This pin is for the base terminal, which controls the transistor's operation by modulating the current between the collector and emitter.
3. Collector (C): This pin connects to the collector terminal, through which the main current flows when the transistor is in an active state.
The BC817-25 is rated for a maximum collector current of 500 mA and a collector-emitter voltage of 45 V, making it suitable for various electronic applications.

Manufacturer

The BC817-25 is manufactured by various semiconductor companies, with Fairchild Semiconductor (now part of ON Semiconductor) being one of the well-known producers. Fairchild Semiconductor specializes in analog, mixed-signal, and digital semiconductor solutions. It is recognized for its high-quality integrated circuits, power management devices, and discrete semiconductors. The BC817-25 itself is a general-purpose NPN transistor used in various electronic applications, including amplification and switching.
Fairchild, along with other manufacturers, operates in the electronics sector, focusing on innovation and the development of semiconductor technologies that support a wide range of industries, including consumer electronics, automotive, and industrial applications.

Application

The BC817-25 is a general-purpose NPN transistor used in various applications, including switching, amplification, and signal processing. It is suitable for low to medium power applications in consumer electronics, automotive electronics, and telecommunications. Common uses include driving relays, controlling LED lights, and amplifying audio signals. Its compact size and efficiency make it ideal for use in printed circuit boards (PCBs) and portable devices.

Equivalent

The BC817-25 is a NPN bipolar junction transistor (BJT) commonly used for low power applications. Equivalent products include:
1. BC547
2. 2N3904
3. 2N2222
4. BC337
Ensure to check the specifications for voltage, current, and gain to confirm compatibility for your specific application.