Overview
The BC859CMTF is a PNP epitaxial silicon transistor manufactured by onsemi, formerly Fairchild Semiconductor. This transistor is part of the BC859 series and is packaged in a SOT-23 (TO-236) surface mount package. It is designed for a wide range of applications, including switching and amplifier circuits, and is known for its low noise characteristics and high current gain.
Key Specifications
| Parameter | Test Condition | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Collector-Base Voltage (VCB) | VCB = -30V, IE = 0 | - | - | -30 | V |
| Collector-Emitter Voltage (VCE) | - | - | - | 30 | V |
| Emitter-Base Voltage (VEB) | - | - | - | 5 | V |
| Collector Current (IC) | - | - | - | 100 | mA |
| Collector Power Dissipation (PC) | - | - | - | 310 | mW |
| Junction Temperature (TJ) | - | - | - | 150 | °C |
| Storage Temperature (TSTG) | -65 ~ 150°C | -65 | - | 150 | °C |
| DC Current Gain (hFE) | VCE = -5V, IC = -2mA | 420 | - | 800 | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | IC = -10mA, IB = -0.5mA | - | - | 650 | mV |
| Base-Emitter Saturation Voltage (VBE(sat)) | IC = -10mA, IB = -0.5mA | - | - | 900 | mV |
| Current Gain Bandwidth Product (fT) | VCE = -5V, IC = -10mA, f = 100MHz | - | - | 150 | MHz |
| Output Capacitance (Cob) | VCB = -10V, IE = 0, f = 1MHz | - | - | 6 | pF |
Key Features
- PNP Epitaxial Silicon Transistor: Suitable for a variety of applications including switching and amplifier circuits.
- Low Noise: The BC859 and BC860 series are known for their low noise characteristics, making them ideal for noise-sensitive applications.
- High Current Gain: The transistor has a high DC current gain (hFE) ranging from 420 to 800.
- Compact Package: Packaged in a SOT-23 (TO-236) surface mount package, making it suitable for space-constrained designs.
- Wide Operating Temperature Range: Can operate over a junction temperature range of -55°C to 150°C.
Applications
The BC859CMTF transistor is versatile and can be used in various applications, including:
- Switching Circuits: Due to its high current gain and low saturation voltage, it is suitable for switching applications.
- Amplifier Circuits: Its low noise characteristics make it ideal for use in amplifier circuits.
- Automotive and Industrial Control Systems: The transistor's robustness and wide operating temperature range make it suitable for use in automotive and industrial control systems.
- Consumer Electronics: Can be used in a variety of consumer electronic devices requiring reliable and efficient transistor performance.
Q & A
- What is the package type of the BC859CMTF transistor?
The BC859CMTF transistor is packaged in a SOT-23 (TO-236) surface mount package. - What is the maximum collector current of the BC859CMTF transistor?
The maximum collector current (IC) is 100 mA. - What is the maximum collector-emitter voltage of the BC859CMTF transistor?
The maximum collector-emitter voltage (VCE) is 30 V. - What is the typical DC current gain (hFE) of the BC859CMTF transistor?
The typical DC current gain (hFE) is 420 at VCE = -5V and IC = -2mA. - What is the operating temperature range of the BC859CMTF transistor?
The operating temperature range is from -55°C to 150°C. - Is the BC859CMTF transistor suitable for noise-sensitive applications?
Yes, the BC859CMTF transistor is known for its low noise characteristics, making it suitable for noise-sensitive applications. - What is the maximum power dissipation of the BC859CMTF transistor?
The maximum power dissipation (PC) is 310 mW. - What is the current gain bandwidth product (fT) of the BC859CMTF transistor?
The current gain bandwidth product (fT) is 150 MHz at VCE = -5V and IC = -10mA. - Is the BC859CMTF transistor RoHS compliant?
No, the BC859CMTF transistor contains lead and is not RoHS compliant. - What are the typical applications of the BC859CMTF transistor?
The BC859CMTF transistor is typically used in switching and amplifier circuits, as well as in automotive, industrial, and consumer electronics.
