Overview
The BC817-25W RFG is a high-performance NPN small signal transistor manufactured by Taiwan Semiconductor Corporation. This transistor is designed for a wide range of applications, including switching and audio frequency (AF) amplifier circuits. It features an epitaxial planar die construction and is packaged in the SOT-323 (SC-70) surface mount device type. The BC817-25W RFG is fully compliant with RoHS and RoHS 2 directives, ensuring it is free from hazardous substances like lead, halogen, and antimony. This makes it an environmentally friendly choice for modern electronic designs.
Key Specifications
| Parameter | Unit | Value |
|---|---|---|
| Collector-Base Breakdown Voltage (VCEO) | V | 45 |
| Collector-Emitter Breakdown Voltage (VCE) | V | 45 |
| Emitter-Base Breakdown Voltage (VEB) | V | 5 |
| Collector Current (IC) | A | 0.5 |
| DC Current Gain (hFE) at IC = 100 mA, VCE = 1 V | 160 | |
| Transition Frequency (fT) at VCE = 5 V, IC = 10 mA | MHz | 100 |
| Collector-Emitter Saturation Voltage (VCE(SAT)) at IC = 500 mA, IB = 50 mA | V | 0.7 |
| Power Dissipation (PD) | mW | 200 |
| Junction and Storage Temperature Range | °C | -55 to +150 |
| Thermal Resistance, Junction to Ambient (RθJA) | K/W | 625 |
Key Features
- Epitaxial planar die construction for high reliability and performance.
- Surface mount device type in SOT-323 (SC-70) package, ideal for automated insertion.
- Compliant with RoHS and RoHS 2 directives, ensuring it is lead-free, halogen-free, and antimony-free.
- Qualified to AEC-Q101 standards for high reliability in automotive applications.
- Molded plastic case with UL Flammability Classification Rating 94V-0.
- Matte tin plated leads, solderable per MIL-STD-202, Method 208.
- Low collector-emitter saturation voltage (VCE(SAT)) for efficient operation.
Applications
- Switching circuits: The BC817-25W RFG is suitable for various switching applications due to its high DC current gain and low saturation voltage.
- Audio Frequency (AF) Amplifier Circuits: Its high transition frequency and low noise characteristics make it ideal for AF amplifier applications.
- Automotive Electronics: Qualified to AEC-Q101 standards, it is reliable for use in automotive electronic systems.
- General Purpose Amplification: Can be used in a variety of general-purpose amplification circuits requiring high reliability and performance.
Q & A
- What is the collector-emitter breakdown voltage of the BC817-25W RFG?
The collector-emitter breakdown voltage (VCE) is 45 V.
- What is the DC current gain (hFE) of the BC817-25W RFG at IC = 100 mA and VCE = 1 V?
The DC current gain (hFE) is 160.
- What is the transition frequency (fT) of the BC817-25W RFG?
The transition frequency (fT) at VCE = 5 V and IC = 10 mA is 100 MHz.
- What is the collector-emitter saturation voltage (VCE(SAT)) of the BC817-25W RFG?
The collector-emitter saturation voltage (VCE(SAT)) at IC = 500 mA and IB = 50 mA is 0.7 V.
- Is the BC817-25W RFG RoHS compliant?
Yes, the BC817-25W RFG is fully compliant with RoHS and RoHS 2 directives.
- What is the junction and storage temperature range of the BC817-25W RFG?
The junction and storage temperature range is -55°C to +150°C.
- What is the thermal resistance, junction to ambient (RθJA), of the BC817-25W RFG?
The thermal resistance, junction to ambient (RθJA), is 625 K/W.
- What package type is the BC817-25W RFG available in?
The BC817-25W RFG is available in the SOT-323 (SC-70) package.
- Is the BC817-25W RFG suitable for automotive applications?
Yes, it is qualified to AEC-Q101 standards, making it suitable for automotive applications.
- What are the typical applications of the BC817-25W RFG?
The BC817-25W RFG is typically used in switching circuits, AF amplifier circuits, and general-purpose amplification.
