Overview
The BC817-25 RFG is a small signal NPN bipolar junction transistor (BJT) manufactured by Taiwan Semiconductor Corporation. This transistor is part of the BC817 series, known for its high current gain and low noise characteristics. It is packaged in a SOT-23 (TO-236-3, SC-59) case, making it suitable for surface mount applications. The BC817-25 RFG is RoHS compliant and features a green compound (halogen-free) construction.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | |
| Collector-Base Voltage (VCBO) | 50 | V |
| Collector-Emitter Voltage (VCEO) | 45 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 500 | mA |
| Power Dissipation (PD) | 300 | mW |
| DC Current Gain (hFE) | 160 - 400 | |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.7 | V |
| Base-Emitter Saturation Voltage (VBE(sat)) | 1.2 | V |
| Transition Frequency (fT) | 100 | MHz |
| Junction Temperature (TJ) | -55 to +150 | °C |
| Storage Temperature (TSTG) | -55 to +150 | °C |
| Package | SOT-23 (TO-236-3, SC-59) |
Key Features
- High DC Current Gain: The BC817-25 RFG has a high DC current gain (hFE) ranging from 160 to 400, making it suitable for applications requiring high amplification.
- Low Noise: This transistor is designed to operate with low noise levels, which is beneficial in signal processing and control applications.
- Compact Package: The SOT-23 package is ideal for surface mount technology, allowing for dense and efficient circuit designs.
- Wide Operating Temperature Range: The transistor can operate over a junction temperature range of -55°C to +150°C, making it versatile for various environmental conditions.
- RoHS Compliant: The BC817-25 RFG is RoHS compliant and features a green compound (halogen-free) construction, adhering to environmental regulations.
Applications
- General Purpose Amplification: Suitable for general-purpose amplification in audio, video, and other signal processing circuits.
- Switching Circuits: Can be used in switching applications due to its high current gain and low saturation voltage.
- Automotive Electronics: Applicable in automotive systems where reliability and high temperature tolerance are crucial.
- Consumer Electronics: Used in various consumer electronic devices such as TVs, radios, and other electronic appliances.
- Industrial Control Systems: Suitable for use in industrial control systems requiring reliable and efficient signal processing.
Q & A
- What is the maximum collector current of the BC817-25 RFG?
The maximum collector current is 500 mA.
- What is the typical DC current gain (hFE) of the BC817-25 RFG?
The typical DC current gain (hFE) ranges from 160 to 400.
- What is the maximum collector-emitter voltage (VCEO) of the BC817-25 RFG?
The maximum collector-emitter voltage (VCEO) is 45 V.
- What is the package type of the BC817-25 RFG?
The package type is SOT-23 (TO-236-3, SC-59).
- Is the BC817-25 RFG RoHS compliant?
Yes, the BC817-25 RFG is RoHS compliant and features a green compound (halogen-free) construction.
- What is the operating temperature range of the BC817-25 RFG?
The operating temperature range is -55°C to +150°C.
- What is the transition frequency (fT) of the BC817-25 RFG?
The transition frequency (fT) is 100 MHz.
- What is the collector-emitter saturation voltage (VCE(sat)) of the BC817-25 RFG?
The collector-emitter saturation voltage (VCE(sat)) is 0.7 V.
- What is the base-emitter saturation voltage (VBE(sat)) of the BC817-25 RFG?
The base-emitter saturation voltage (VBE(sat)) is 1.2 V.
- What are some common applications of the BC817-25 RFG?
Common applications include general-purpose amplification, switching circuits, automotive electronics, consumer electronics, and industrial control systems.
