Overview
The BC858BMTF is a PNP epitaxial silicon transistor produced by Fairchild Semiconductor, now part of ON Semiconductor. This transistor is designed for general-purpose switching and amplifier applications. It is part of the BC856-BC860 series, which offers a range of current gain (hFE) classifications to suit various design requirements. The BC858BMTF is packaged in a SOT-23 (TO-236AB) surface-mount device (SMD) plastic package, making it suitable for automated insertion in both thick and thin-film circuits.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Collector-Base Voltage (VCBO) | -30 | V |
| Collector-Emitter Voltage (VCEO) | -30 | V |
| Collector Current (IC) | -100 | mA |
| Current Gain Bandwidth Product (fT) | 150 | MHz |
| Output Capacitance (Cob) | 6 | pF |
| Noise Figure (NF) | 2 | dB |
| Package Type | SOT-23 (TO-236AB) | |
| Packing Method | Tape & Reel | |
| RoHS Compliance | Yes |
Key Features
- Ideally suited for automatic insertion in thick and thin-film circuits.
- Complementary NPN types available (BC846-BC848).
- Low noise characteristics, particularly in the BC859 and BC860 models.
- Totally lead-free and fully RoHS compliant.
- UL flammability classification rating 94V-0.
- Qualified to AEC-Q101 standards for high reliability.
Applications
The BC858BMTF transistor is versatile and can be used in a variety of applications, including:
- General-purpose switching circuits.
- Amplifier circuits, especially in audio frequency (AF) applications.
- Automotive systems due to its compliance with AEC-Q101 standards.
- Consumer electronics requiring low noise and high reliability.
Q & A
- What is the package type of the BC858BMTF transistor? The BC858BMTF transistor is packaged in a SOT-23 (TO-236AB) surface-mount device (SMD) plastic package.
- What are the maximum collector-base and collector-emitter voltages for the BC858BMTF? The maximum collector-base voltage (VCBO) and collector-emitter voltage (VCEO) are both -30V.
- What is the current gain bandwidth product (fT) of the BC858BMTF? The current gain bandwidth product (fT) is 150 MHz.
- Is the BC858BMTF RoHS compliant? Yes, the BC858BMTF is totally lead-free and fully RoHS compliant.
- What are the typical applications of the BC858BMTF transistor? The BC858BMTF is used in general-purpose switching and amplifier circuits, including audio frequency applications and automotive systems.
- What is the noise figure of the BC858BMTF transistor? The noise figure (NF) of the BC858BMTF is 2 dB.
- How is the BC858BMTF packaged for distribution? The BC858BMTF is packaged in tape and reel format.
- Is the BC858BMTF qualified for automotive use? Yes, it is qualified to AEC-Q101 standards for high reliability, making it suitable for automotive applications.
- What is the output capacitance of the BC858BMTF transistor? The output capacitance (Cob) is 6 pF.
- What are the complementary NPN types for the BC858BMTF? The complementary NPN types are BC846 and BC848.
