Description
The BC557 is a versatile PNP bipolar junction transistor, serving as a fundamental component in small-signal electronic design. With a collector current capacity of 100 mA and a reliable gain (hFE) of 110, it is an ideal choice for general-purpose switching and amplification tasks in hobbyist projects, educational kits, and professional circuit prototypes.
Designed for robustness, the BC557 features a 45V collector-emitter voltage rating and can operate reliably at junction temperatures up to 150°C. Its through-hole package makes it easy to mount on breadboards and PCBs, ensuring straightforward integration into your circuits. This pack of 20 units offers excellent value for inventory management and multi-project needs.
Key Features
- Reliable General Purpose: Proven PNP performance for amplification and switching
- Current Capacity: 100 mA collector current for small-signal applications
- Robust Design: 45V Vce rating with high thermal resilience up to 150°C
- Ease of Use: Standard through-hole package for simple breadboarding and PCB mounting
- Value Bundle: Convenient 20-pack for labs, schools, and professional workshops
Applications
- Small-signal amplification and pre-amplification
- General-purpose switching and logic-level control
- Driver stages for small LEDs and indicators
- Educational electronics and laboratory prototyping
- General signal processing circuitry
Package Includes
- 20 x BC557 PNP Transistor
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | BC557 |
| Polarity | PNP |
| Collector Current (Ic) | 100 mA |
| Collector-Emitter Voltage (Vce) | 45 V |
| DC Current Gain (hFE) | 110 |
| Mounting Type | Through-Hole |
| Quantity | Pack of 20 |
