Overview
The BC857C-7-F is a PNP general-purpose bipolar transistor manufactured by Diodes Incorporated. It is part of the BC857 series, which is known for its versatility in various electronic applications. This transistor is housed in a small SOT23 (TO-236AB) surface-mounted device (SMD) plastic package, making it ideal for space-constrained designs. The BC857C is fully RoHS compliant and lead-free, aligning with current environmental regulations.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Breakdown Voltage | BVCEO | -45 | V |
| Collector Current | IC | -100 | mA |
| Power Dissipation | PD | 250 | mW |
| Thermal Resistance, Junction to Ambient | RθJA | 403 | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -55 to +150 | °C |
| DC Current Gain (hFE) | hFE | 420 to 800 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | -75 to -300 | mV |
| Base-Emitter Turn-On Voltage | VBE(on) | -600 to -750 | mV |
| Base-Emitter Saturation Voltage | VBE(sat) | -700 | mV |
Key Features
- Ideally suited for automatic insertion, making it convenient for high-volume production.
- Complementary NPN types available (BC846 – BC848), allowing for balanced circuit designs.
- Totally lead-free and fully RoHS compliant, ensuring environmental sustainability.
- Low current (max. 100 mA) and low voltage (max. 45 V) capabilities, suitable for general-purpose switching and amplification.
- High DC current gain (hFE) ranging from 420 to 800, providing reliable amplification performance.
- Compact SOT23 package, suitable for space-constrained applications.
Applications
The BC857C-7-F is versatile and can be used in a variety of applications, including:
- Switching circuits: Due to its low saturation voltage and high current gain, it is suitable for switching applications.
- Audio Frequency (AF) amplifiers: Its characteristics make it a good choice for audio amplification.
- Automotive and industrial electronics: It can be used in various automotive and industrial applications due to its robust specifications.
- Consumer electronics: Suitable for use in mobile, computing, and consumer electronic devices.
Q & A
- What is the package type of the BC857C-7-F transistor?
The BC857C-7-F is housed in a SOT23 (TO-236AB) surface-mounted device (SMD) plastic package. - What is the maximum collector current of the BC857C-7-F?
The maximum collector current is -100 mA. - Is the BC857C-7-F RoHS compliant?
Yes, the BC857C-7-F is totally lead-free and fully RoHS compliant. - What is the operating temperature range of the BC857C-7-F?
The operating and storage temperature range is -55 to +150 °C. - What are the typical applications of the BC857C-7-F?
It is used in switching circuits, AF amplifiers, automotive and industrial electronics, and consumer electronics. - What is the DC current gain (hFE) of the BC857C-7-F?
The DC current gain (hFE) ranges from 420 to 800. - What is the collector-emitter breakdown voltage of the BC857C-7-F?
The collector-emitter breakdown voltage (BVCEO) is -45 V. - Is the BC857C-7-F suitable for high-volume production?
Yes, it is ideally suited for automatic insertion, making it convenient for high-volume production. - What is the thermal resistance, junction to ambient, of the BC857C-7-F?
The thermal resistance, junction to ambient (RθJA), is 403 °C/W. - What are the complementary NPN types for the BC857C-7-F?
The complementary NPN types are BC846 – BC848.
