Overview
The BC857BS-TP is a PNP general-purpose double transistor produced by Micro Commercial Co. It is packaged in an SC-88 or SOT-363 plastic package, making it suitable for surface mount applications. This transistor is designed for general-purpose switching and amplification, offering low collector capacitance and low collector-emitter saturation voltage. The BC857BS-TP is a dual transistor, meaning it contains two identical PNP transistors in a single package, which can reduce the number of components and board space required in a circuit.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit |
|---|---|---|---|---|---|
| Collector-Base Voltage | VCBO | Open Emitter | - | -50 | V |
| Collector-Emitter Voltage | VCEO | Open Base | - | -45 | V |
| Emitter-Base Voltage | VEBO | Open Collector | - | -5 | V |
| Collector Current (DC) | IC | - | -100 | mA | |
| Peak Collector Current | ICM | - | -200 | mA | |
| Peak Base Current | IBM | - | -200 | mA | |
| Total Power Dissipation | Ptot | Tamb ≤ 25°C | - | 300 | mW |
| Storage Temperature | Tstg | - | -65 | +150 | °C |
| Junction Temperature | Tj | - | -150 | °C | |
| Operating Ambient Temperature | Tamb | - | -65 | +150 | °C |
| Collector-Emitter Saturation Voltage | Vce(sat) | - | - | 650 mV @ 5mA, 100mA | mV |
| DC Current Gain | hFE | - | 220 @ 2mA, 5V | - | - |
Key Features
- Low Collector Capacitance: The BC857BS-TP has low collector capacitance, which is beneficial for high-frequency applications.
- Low Collector-Emitter Saturation Voltage: With a saturation voltage of 650 mV at 5 mA and 100 mA, it ensures efficient operation in switching and amplification roles.
- Closely Matched Current Gain: The transistors have closely matched current gain, reducing the need for external matching components.
- Dual Transistor Package: The SC-88 or SOT-363 package contains two identical PNP transistors, reducing board space and component count.
- No Mutual Interference: The design ensures no mutual interference between the two transistors, making it suitable for a variety of applications.
- Halogen Free and RoHS Compliant: The device is halogen-free and RoHS compliant, making it environmentally friendly and compliant with regulatory standards.
Applications
The BC857BS-TP is suitable for a wide range of general-purpose switching and amplification applications. Some common uses include:
- General Purpose Switching: It can be used in various switching circuits due to its low collector-emitter saturation voltage and high current gain.
- Amplification Circuits: The transistor's characteristics make it suitable for use in amplifier circuits, especially where matched current gain is required.
- Automotive and Industrial Electronics: Its robust operating temperature range and high reliability make it a good choice for automotive and industrial electronics.
- Consumer Electronics: It can be used in various consumer electronic devices where space and component count need to be minimized.
Q & A
- What is the package type of the BC857BS-TP?
The BC857BS-TP is packaged in an SC-88 or SOT-363 plastic package.
- What is the maximum collector-emitter voltage of the BC857BS-TP?
The maximum collector-emitter voltage (VCEO) is -45 V.
- What is the maximum collector current of the BC857BS-TP?
The maximum DC collector current (IC) is -100 mA, and the peak collector current (ICM) is -200 mA.
- What is the operating temperature range of the BC857BS-TP?
The operating ambient temperature range is -65°C to +150°C, and the junction temperature range is also -55°C to +150°C.
- Is the BC857BS-TP RoHS compliant?
- What are the key features of the BC857BS-TP?
- What are the typical applications of the BC857BS-TP?
- What is the thermal resistance of the BC857BS-TP?
- Does the BC857BS-TP have any special handling requirements?
- What is the NPN complement of the BC857BS-TP?
