Overview
The BC847A_R1_00001, produced by Panjit International Inc., is an NPN general-purpose bipolar junction transistor (BJT) in a small SOT-23 (TO-236AB) surface-mounted device (SMD) plastic package. This transistor is part of the BC847x series, known for its high current gain, low collector-emitter saturation voltage, and low noise characteristics. It is RoHS compliant and qualified according to AEC Q101, making it suitable for a variety of applications in electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | - | 50 V |
| Collector-Emitter Voltage (VCEO) | - | 45 V |
| Emitter-Base Voltage (VEBO) | - | 6 V |
| Collector Current (IC) | - | 100 mA |
| Peak Collector Current (ICM) | - | 200 mA (single pulse; tp ≤ 1 ms) |
| DC Current Gain (hFE) | 110 - 220 | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 90 - 250 mV (IC = 10 mA, IB = 0.5 mA) | mV |
| Base-Emitter Saturation Voltage (VBE(sat)) | 700 mV (IC = 10 mA, IB = 0.5 mA) | mV |
| Power Dissipation (PD) | 310 mW | mW |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 403 °C/W | °C/W |
| Noise Figure (NF) | 2 - 10 dB (IC = 200 μA, VCE = 5 V, RG = 2 kΩ, f = 1 kHz) | dB |
Key Features
- High current gain: The BC847A offers a DC current gain (hFE) ranging from 110 to 220, making it suitable for amplifier and switching applications.
- Low collector-emitter saturation voltage: This feature reduces power losses and improves efficiency in the circuit.
- Low noise: The transistor exhibits low noise between 30 Hz and 15 kHz, which is beneficial for audio and other low-noise applications.
- Complementary types: The BC847A has complementary PNP types (BC857-BC860), allowing for balanced circuit designs.
- Pb-free (RoHS compliant) package: Ensures environmental compliance and safety.
- Qualified according to AEC Q101: Suitable for automotive and other high-reliability applications.
Applications
The BC847A is versatile and can be used in various applications, including:
- AF input stages and driver applications: Its low noise and high current gain make it ideal for audio and other low-frequency applications.
- Switching and amplifier circuits: Suitable for both switching and linear amplifier applications due to its high current gain and low saturation voltage.
- Automotive electronics: Qualified according to AEC Q101, it is reliable for use in automotive systems.
Q & A
- What is the collector-emitter voltage rating of the BC847A?
The collector-emitter voltage (VCEO) rating of the BC847A is 45 V. - What is the maximum collector current of the BC847A?
The maximum collector current (IC) is 100 mA. - What is the typical DC current gain (hFE) of the BC847A?
The typical DC current gain (hFE) ranges from 110 to 220. - Is the BC847A RoHS compliant?
Yes, the BC847A is Pb-free and RoHS compliant. - What are the complementary PNP types of the BC847A?
The complementary PNP types are BC857-BC860. - What is the power dissipation of the BC847A?
The power dissipation (PD) is 310 mW. - What is the thermal resistance, junction-to-ambient (RθJA), of the BC847A?
The thermal resistance, junction-to-ambient (RθJA), is 403 °C/W. - What are the typical noise figure values for the BC847A?
The noise figure (NF) ranges from 2 to 10 dB at IC = 200 μA, VCE = 5 V, RG = 2 kΩ, and f = 1 kHz. - What are the potential applications of the BC847A?
The BC847A is suitable for AF input stages, driver applications, switching circuits, and amplifier circuits, including automotive electronics. - Is the BC847A qualified according to AEC Q101?
Yes, the BC847A is qualified according to AEC Q101, except for the BC847BL3 variant.
