Overview
The BC857CWH6327XTSA1 is a PNP general-purpose transistor produced by Infineon Technologies. It belongs to the BC857 series, which is known for its high current gain, low collector-emitter saturation voltage, and low noise characteristics. This transistor is packaged in a small SOT23 (TO-236AB) surface-mounted device (SMD) plastic package, making it suitable for a wide range of applications where space is limited.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | -50 | V |
| Collector-Emitter Voltage (VCEO) | -45 | V |
| Emitter-Base Voltage (VEBO) | -5 | V |
| Collector Current (IC) | -100 | mA |
| Peak Collector Current (ICM) | -200 | mA |
| DC Current Gain (hFE) | 420 - 800 | |
| Collector-Emitter Saturation Voltage (VCEsat) | -250 to -650 | mV |
| Base-Emitter Saturation Voltage (VBEsat) | -700 to -850 | mV |
| Total Power Dissipation (Ptot) | 250 | mW |
| Junction Temperature (Tj) | 150 | °C |
| Ambient Temperature (Tamb) | -65 to 150 | °C |
| Storage Temperature (Tstg) | -65 to 150 | °C |
Key Features
- High Current Gain: The BC857C offers a high DC current gain (hFE) ranging from 420 to 800, making it suitable for amplification and switching applications.
- Low Collector-Emitter Saturation Voltage: It features a low VCEsat, which is beneficial for reducing power consumption and heat generation.
- Low Noise: The transistor has low noise characteristics between 30 Hz and 15 kHz, making it ideal for audio frequency (AF) applications.
- Complementary Types: The BC857C has complementary NPN types (BC847-BC850), allowing for balanced circuit designs.
- Pb-free (RoHS Compliant) Package: The SOT23 package is lead-free and compliant with RoHS regulations, ensuring environmental sustainability.
- AEC Q101 Qualified: The transistor is qualified according to the AEC Q101 standard, which is crucial for automotive and other demanding applications.
Applications
- AF Input Stages and Driver Applications: The BC857C is well-suited for audio frequency input stages and driver applications due to its low noise and high current gain.
- General-Purpose Switching and Amplification: It can be used in various general-purpose switching and amplification circuits where reliability and performance are critical.
- Automotive and Industrial Applications: Given its AEC Q101 qualification, the BC857C is suitable for use in automotive and industrial environments where robustness and reliability are essential.
Q & A
- What is the collector-emitter voltage (VCEO) of the BC857C transistor?
The collector-emitter voltage (VCEO) of the BC857C transistor is -45 V.
- What is the maximum collector current (IC) of the BC857C?
The maximum collector current (IC) of the BC857C is -100 mA.
- What is the DC current gain (hFE) range of the BC857C?
The DC current gain (hFE) of the BC857C ranges from 420 to 800.
- What package type is used for the BC857C transistor?
The BC857C transistor is packaged in a SOT23 (TO-236AB) surface-mounted device (SMD) plastic package.
- Is the BC857C transistor RoHS compliant?
Yes, the BC857C transistor is Pb-free and RoHS compliant.
- What are the typical applications of the BC857C transistor?
The BC857C transistor is typically used in AF input stages, driver applications, and general-purpose switching and amplification circuits.
- What is the maximum junction temperature (Tj) for the BC857C transistor?
The maximum junction temperature (Tj) for the BC857C transistor is 150 °C.
- Does the BC857C transistor have a complementary NPN type?
Yes, the BC857C has complementary NPN types (BC847-BC850).
- Is the BC857C transistor qualified for automotive applications?
Yes, the BC857C transistor is qualified according to the AEC Q101 standard, making it suitable for automotive and other demanding applications.
- What is the total power dissipation (Ptot) of the BC857C transistor?
The total power dissipation (Ptot) of the BC857C transistor is 250 mW.
