Overview
The BC858B-HF is a general-purpose PNP transistor produced by Comchip Technology. It is part of the BC856-HF through BC858-HF series, which are designed to be halogen-free and RoHS compliant. This transistor is housed in a SOT-23 package, making it suitable for a variety of applications where space is limited. The BC858B-HF is known for its low current operation and wide operating temperature range, making it a versatile component for various electronic circuits.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Voltage | VCBO | -30 | V |
| Collector-Emitter Voltage | VCEO | -30 | V |
| Emitter-Base Voltage | VEBO | -5 | V |
| Collector Current - Continuous | IC | -100 | mA |
| Power Dissipation (at TA=25°C) | PCM | 0.25 | W |
| Junction Temperature Range | TJ | -65 to +150 | °C |
| Storage Temperature Range | TSTG | -65 to +150 | °C |
| Package | SOT-23 |
Key Features
- Halogen-Free and RoHS Compliant: Ensures environmental sustainability and compliance with regulatory standards.
- Low Current Operation: Maximum collector current of 100 mA, suitable for low-power applications.
- Wide Operating Temperature Range: Junction and storage temperature ranges from -65°C to +150°C, making it reliable in various environmental conditions.
- Power Dissipation: 0.25 W at TA=25°C, indicating efficient heat management.
- General Purpose Use: Suitable for a broad range of applications including small signal circuits, power conversion, and more.
Applications
- Small Signal Circuits: Ideal for amplifying small signals in audio, video, and other electronic circuits.
- Power Conversion: Used in power supply circuits, DC-DC converters, and other power management systems.
- Automotive Systems: Suitable for use in automotive electronics such as remote keyless entry systems, power doors, and LED lighting systems.
- Consumer Electronics: Found in devices like mobile phones, notebooks, LCD TVs, and digital cameras.
Q & A
- What is the collector-base voltage (VCBO) of the BC858B-HF transistor?
The collector-base voltage (VCBO) of the BC858B-HF transistor is -30V. - What is the maximum collector current (IC) for the BC858B-HF?
The maximum collector current (IC) for the BC858B-HF is -100 mA. - What is the power dissipation (PCM) of the BC858B-HF at TA=25°C?
The power dissipation (PCM) of the BC858B-HF at TA=25°C is 0.25 W. - What is the junction temperature range (TJ) for the BC858B-HF?
The junction temperature range (TJ) for the BC858B-HF is -65°C to +150°C. - Is the BC858B-HF RoHS compliant?
Yes, the BC858B-HF is RoHS compliant and halogen-free. - What package type is the BC858B-HF available in?
The BC858B-HF is available in a SOT-23 package. - What are some common applications of the BC858B-HF transistor?
The BC858B-HF is commonly used in small signal circuits, power conversion, automotive systems, and various consumer electronics. - What is the emitter-base voltage (VEBO) of the BC858B-HF?
The emitter-base voltage (VEBO) of the BC858B-HF is -5V. - What is the collector-emitter voltage (VCEO) of the BC858B-HF?
The collector-emitter voltage (VCEO) of the BC858B-HF is -30V. - What is the storage temperature range (TSTG) for the BC858B-HF?
The storage temperature range (TSTG) for the BC858B-HF is -65°C to +150°C.
