Overview
The BC859B,215 is a PNP general-purpose bipolar junction transistor (BJT) manufactured by Nexperia (previously part of NXP Semiconductors). This transistor is housed in a SOT23 plastic package and is AEC-Q101 qualified, making it suitable for automotive and other demanding applications. It is designed for low current and low voltage operations, with a maximum collector current of 100 mA and a maximum collector-emitter voltage of 30 V. The BC859B is complemented by the NPN transistors BC849 and BC850.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | BC859B |
| Package | SOT23 |
| Package size (mm) | 2.9 x 1.3 x 1 |
| hFE (min) | 220 |
| hFE (max) | 475 |
| fT (min) (MHz) | 100 |
| Complement | BC849B |
| I C (max) (mA) | 100 |
| Noise figure (max) (dB) | 4 |
| VCEO (max) (V) | 30 |
| Ptot (max) (mW) | 250 |
| Polarity | PNP |
Key Features
- AEC-Q101 qualified for automotive applications.
- Low current (max. 100 mA) and low voltage (max. 30 V) operation.
- High frequency operation with a minimum transition frequency (fT) of 100 MHz.
- Low noise figure, making it suitable for low noise input stages of audio frequency equipment.
- SOT23 surface-mount package for compact design.
Applications
The BC859B,215 is versatile and can be used in a variety of applications, including:
- Automotive systems due to its AEC-Q101 qualification.
- Low noise input stages of audio frequency equipment.
- General-purpose switching and amplification in electronic circuits.
- Industrial and consumer electronics where reliability and low noise are critical.
Q & A
- What is the maximum collector current of the BC859B,215 transistor?
The maximum collector current is 100 mA. - What is the maximum collector-emitter voltage (VCEO) of the BC859B,215?
The maximum collector-emitter voltage is 30 V. - What is the package type of the BC859B,215 transistor?
The transistor is housed in a SOT23 plastic package. - Is the BC859B,215 AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications. - What is the minimum transition frequency (fT) of the BC859B,215?
The minimum transition frequency is 100 MHz. - What are the NPN complements of the BC859B,215 transistor?
The NPN complements are BC849 and BC850. - What is the noise figure of the BC859B,215 transistor?
The noise figure is a maximum of 4 dB. - Can the BC859B,215 be used in low noise input stages?
Yes, it is suitable for low noise input stages of audio frequency equipment. - What is the maximum power dissipation (Ptot) of the BC859B,215 transistor?
The maximum power dissipation is 250 mW. - Is the BC859B,215 RoHS compliant?
Yes, it is RoHS compliant.
