Overview
The BC847AMTF is an NPN general-purpose bipolar transistor produced by Onsemi. It is part of the BC847 series, which includes several variants with different current gain classifications. This transistor is designed for a wide range of applications, including switching and amplifier circuits. The BC847AMTF is packaged in a small SOT-23 (TO-236AB) surface-mounted device (SMD) plastic package, making it suitable for compact and efficient designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Breakdown Voltage (VBRCBO) | 80 | V |
| Collector-Emitter Breakdown Voltage (VBRCEO) | 45 | V |
| Emitter-Base Breakdown Voltage (VBREBO) | 6.0 | V |
| Collector Current (IC) | 100 | mA |
| Junction Temperature (TJ) | 150 | °C |
| Storage Temperature Range (TSTG) | -65 to +150 | °C |
| Power Dissipation (PD) | 310 | mW |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 403 | °C/W |
| DC Current Gain (hFE) | 110 ~ 220 (Class A) | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.25 ~ 0.6 V (IC = 10 mA, IB = 0.5 mA) | V |
| Base-Emitter Saturation Voltage (VBE(sat)) | 0.7 ~ 0.9 V (IC = 10 mA, IB = 0.5 mA) | V |
| Base-Emitter On Voltage (VBE(on)) | 580 ~ 660 mV (IC = 2 mA, VCE = 5 V) | mV |
| Current Gain Bandwidth Product (fT) | 300 MHz (VCE = 5 V, IC = 10 mA, f = 100 MHz) | MHz |
| Output Capacitance (Cob) | 4.5 pF (VCB = 10 V, f = 1 MHz) | pF |
Key Features
- General-Purpose Transistor: Suitable for a wide range of applications including switching and amplifier circuits.
- Compact Packaging: SOT-23 (TO-236AB) surface-mounted device (SMD) plastic package, ideal for space-efficient designs.
- Low Noise: The BC847 series, particularly the BC850, is noted for its low noise characteristics.
- High Current Gain: Available in various current gain classifications (A, B, C), providing flexibility in design.
- High Breakdown Voltages: Collector-Base, Collector-Emitter, and Emitter-Base breakdown voltages ensure robust operation.
- Wide Operating Temperature Range: Junction temperature up to 150°C and storage temperature range from -65°C to +150°C.
Applications
- Switching Circuits: Ideal for use in switching applications due to its high current gain and low saturation voltage.
- Amplifier Circuits: Suitable for amplifier applications requiring low noise and high current gain.
- Automotive Electronics: Can be used in various automotive electronic systems due to its robustness and wide operating temperature range.
- Consumer Electronics: Commonly used in consumer electronic devices such as audio equipment, power supplies, and control circuits.
- Industrial Control Systems: Used in industrial control systems for its reliability and performance in harsh environments.
Q & A
- What is the BC847AMTF transistor used for?
The BC847AMTF is used in switching and amplifier applications due to its high current gain and low noise characteristics.
- What is the package type of the BC847AMTF transistor?
The BC847AMTF is packaged in a SOT-23 (TO-236AB) surface-mounted device (SMD) plastic package.
- What is the maximum collector current of the BC847AMTF transistor?
The maximum collector current is 100 mA.
- What is the junction temperature range of the BC847AMTF transistor?
The junction temperature range is up to 150°C.
- What are the breakdown voltages of the BC847AMTF transistor?
The collector-base breakdown voltage is 80 V, the collector-emitter breakdown voltage is 45 V, and the emitter-base breakdown voltage is 6.0 V.
- What is the current gain (hFE) of the BC847AMTF transistor?
The current gain (hFE) for the BC847AMTF (Class A) is between 110 and 220.
- What is the collector-emitter saturation voltage of the BC847AMTF transistor?
The collector-emitter saturation voltage is between 0.25 and 0.6 V at IC = 10 mA and IB = 0.5 mA.
- What is the base-emitter on voltage of the BC847AMTF transistor?
The base-emitter on voltage is between 580 and 660 mV at IC = 2 mA and VCE = 5 V.
- What is the current gain bandwidth product of the BC847AMTF transistor?
The current gain bandwidth product is 300 MHz at VCE = 5 V, IC = 10 mA, and f = 100 MHz.
- What are some common applications of the BC847AMTF transistor?
Common applications include switching circuits, amplifier circuits, automotive electronics, consumer electronics, and industrial control systems.
