Overview
The BC857BS is a PNP general-purpose double transistor packaged in a small SOT363 (SC-88) Surface-Mounted Device (SMD) plastic package. This transistor is designed for general-purpose switching and amplification applications. It is part of a family of transistors that include the BC847BS as its NPN complement.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit | Test Condition |
|---|---|---|---|---|---|---|
| Collector-Base Breakdown Voltage | V(BR)CBO | -50 | V | IC = 100µA, IB = 0 | ||
| Collector-Emitter Breakdown Voltage | V(BR)CEO | -45 | V | IC = 10mA, IB = 0 | ||
| Emitter-Base Breakdown Voltage | V(BR)EBO | -5 | V | IE = 100µA, IC = 0 | ||
| DC Current Gain | hFE | 220 | 475 | VCE = -5.0V, IC = -2.0mA | ||
| Collector-Emitter Saturation Voltage | VCE(sat) | -0.3 | V | IC = -10mA, IB = -0.5mA | ||
| Power Dissipation | PD | 200 | mW | |||
| Thermal Resistance, Junction to Ambient Air | RθJA | 625 | °C/W | |||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C |
Key Features
- Ultra-Small Surface Mount Package: The BC857BS is packaged in a very small SOT363 (SC-88) package, making it ideal for space-constrained designs.
- Low Collector Capacitance: This feature enhances the transistor's performance in high-frequency applications.
- Low Collector-Emitter Saturation Voltage: Reduces power consumption and improves efficiency.
- Closely Matched Current Gain: Ensures consistent performance across the two transistors in the package.
- No Mutual Interference: The design minimizes interference between the two transistors.
- Automated Insertion: Suitable for automated insertion processes.
- Totally Lead-Free & Fully RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
- Qualified to AEC-Q101 Standards: Ensures high reliability for automotive and other demanding applications.
Applications
The BC857BS is versatile and can be used in various applications, including general-purpose switching, amplifier applications, automotive, industrial, and consumer electronics.
Q & A
Q1: What is the package type of the BC857BS transistor?
A1: The BC857BS transistor is packaged in a SOT363 (SC-88) Surface-Mounted Device (SMD) plastic package.
Q2: What are the key features of the BC857BS transistor?
A2: Key features include ultra-small surface mount package, low collector capacitance, low collector-emitter saturation voltage, closely matched current gain, and no mutual interference between the transistors.
Q3: What is the maximum collector current of the BC857BS transistor?
A3: The maximum collector current (IC) is -100 mA, with a peak collector current (ICM) of -200 mA.
Q4: Is the BC857BS transistor RoHS compliant?
A4: Yes, the BC857BS transistor is totally lead-free and fully RoHS compliant.
Q5: What are the operating and storage temperature ranges for the BC857BS transistor?
A5: The operating and storage temperature range is from -55°C to +150°C.
Q6: What is the thermal resistance (RθJA) of the BC857BS transistor?
A6: The thermal resistance, junction to ambient air (RθJA), is 625 °C/W.
Q7: Can the BC857BS transistor be used in automotive applications?
A7: Yes, it is qualified to AEC-Q101 standards, making it suitable for high-reliability automotive applications.
Q8: What is the maximum power dissipation (PD) of the BC857BS transistor?
A8: The maximum power dissipation (PD) is 200 mW.
Q9: Is the BC857BS transistor suitable for automated insertion?
A9: Yes, it is ideally suited for automated insertion processes.
Q10: What is the NPN complement of the BC857BS transistor?
A10: The NPN complement of the BC857BS transistor is the BC847BS.
