Overview
The BC847A,235 is a Bipolar Junction Transistor (BJT) produced by NXP USA Inc. It is an NPN type transistor, commonly used in various general-purpose applications. This transistor is known for its high current gain and low noise characteristics, making it suitable for a wide range of electronic circuits. The BC847A,235 is available in a surface-mount SOT-23 package and is Pb-free, complying with RoHS standards.
Key Specifications
| Parameter | Value |
|---|---|
| Type | NPN Bipolar Junction Transistor |
| Collector-Emitter Voltage (VCE) | 45 V |
| Continuous Collector Current (IC) | 100 mA |
| DC Current Gain (hFE) | Up to 600 |
| Base Current (IB) | Up to 5 mA |
| Emitter-Base Voltage (VBE) | 6 V |
| Collector-Emitter Saturation Voltage | Low |
| Noise Level | Low between 30 Hz and 15 kHz |
| Package Type | SOT-23 |
| Power Dissipation | 250 mW |
| Frequency Range | Up to 100 MHz |
Key Features
- High current gain, making it suitable for amplification and switching applications.
- Low collector-emitter saturation voltage, which reduces power losses in switching circuits.
- Low noise level between 30 Hz and 15 kHz, ideal for audio and other low-frequency applications.
- Pb-free and RoHS compliant, ensuring environmental safety.
- Qualified according to AEC Q101, suitable for automotive and other demanding environments.
- Complementary PNP types available (BC857-BC860), useful for push-pull circuits and Class B amplifier designs.
Applications
- Af input stages and driver applications.
- Switching circuits to control low current loads such as LEDs, solenoids, and pumps.
- Preamplifier stages for power amplifiers.
- High-frequency switching applications.
- LED dimmers or flashers.
- Driver modules for relays and LEDs.
Q & A
- What is the type of the BC847A,235 transistor?
The BC847A,235 is an NPN Bipolar Junction Transistor (BJT).
- What is the maximum collector-emitter voltage (VCE) of the BC847A,235?
The maximum collector-emitter voltage (VCE) is 45 V.
- What is the continuous collector current (IC) of the BC847A,235?
The continuous collector current (IC) is 100 mA.
- What is the DC current gain (hFE) of the BC847A,235?
The DC current gain (hFE) is up to 600.
- What is the base current (IB) limit of the BC847A,235?
The base current (IB) should not exceed 5 mA.
- What is the emitter-base voltage (VBE) of the BC847A,235?
The emitter-base voltage (VBE) is 6 V.
- In what package type is the BC847A,235 available?
The BC847A,235 is available in a surface-mount SOT-23 package.
- What are some common applications of the BC847A,235?
Common applications include Af input stages, driver applications, switching circuits, preamplifier stages, and high-frequency switching.
- Is the BC847A,235 RoHS compliant?
Yes, the BC847A,235 is Pb-free and RoHS compliant.
- What are the complementary PNP types for the BC847A,235?
The complementary PNP types are BC857-BC860.
