Overview
The BC857BW-7-F is a PNP small signal Bipolar Junction Transistor (BJT) manufactured by Diodes Incorporated. It is designed for automatic insertion and is suitable for switching and audio frequency (AF) amplifier applications. This transistor is part of the BC857 series, known for its general-purpose use in various electronic circuits. The device is packaged in a small SOT-323 (SC-70) surface-mount package, making it ideal for space-constrained designs.
Key Specifications
| Specification | Value |
|---|---|
| Transistor Polarity | PNP |
| Collector Emitter Voltage (Vbrceo) | 45V |
| DC Collector Current | 100mA |
| Power Dissipation (Pd) | 200mW |
| Transistor Mounting | Surface Mount |
| Transition Frequency (ft) | 200MHz |
| Operating Temperature Max (TJ) | 150°C |
| Transistor Case Style | SOT-323 |
| No. of Pins | 3 Pins |
| DC Current Gain (hFE) Min | 220 |
| DC Current Gain (hFE) Max | 475 |
Key Features
- Halogen-free and RoHS compliant, ensuring environmental safety and compliance with regulatory standards.
- UL94V-0 flammability rating for enhanced safety.
- Wide operating temperature range of -65°C to 150°C, making it suitable for various environmental conditions.
- High transition frequency of 200MHz, suitable for high-frequency applications.
- Complementary NPN types available (BC846AW - BC848CW).
Applications
The BC857BW-7-F transistor is versatile and can be used in a variety of applications, including:
- Defence, Military & Aerospace: Due to its robust specifications and reliability.
- Automotive: For use in vehicle electronics where high reliability is crucial.
- Power Management: In circuits requiring efficient power handling.
- Industrial: For general-purpose industrial electronics and automation.
Q & A
- What is the transistor polarity of the BC857BW-7-F?
The transistor polarity of the BC857BW-7-F is PNP. - What is the maximum collector-emitter voltage of the BC857BW-7-F?
The maximum collector-emitter voltage is 45V. - What is the maximum DC collector current of the BC857BW-7-F?
The maximum DC collector current is 100mA. - What is the power dissipation of the BC857BW-7-F?
The power dissipation is 200mW. - What is the operating temperature range of the BC857BW-7-F?
The operating temperature range is -65°C to 150°C. - What is the transition frequency of the BC857BW-7-F?
The transition frequency is 200MHz. - Is the BC857BW-7-F RoHS compliant?
Yes, the BC857BW-7-F is RoHS compliant. - What is the package type of the BC857BW-7-F?
The package type is SOT-323 (SC-70). - How many pins does the BC857BW-7-F have?
The BC857BW-7-F has 3 pins. - What are the complementary NPN types for the BC857BW-7-F?
The complementary NPN types are BC846AW - BC848CW.
