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MULTICOMP PRO BC557B General Purpose Transistor

The BC557B is a PNP silicon planar epitaxial transistor suitable for driver stages of audio amplifiers, low noise input stages of tape recorders, and signal processing circuits of TV receivers. It features a collector-emitter voltage of 45V, collector-base voltage of 50V, and an emitter-base voltage of 5V. With a maximum collector current of 100mA and power dissipation of 500mW at 25°C, it offers high DC current gain and low noise characteristics. Compact and reliable, it is ideal for various general-purpose electronic applications requiring low noise and high gain.

Authorized Distributors
Source:Newark
Part No:BC557B
Stock:1520
Inv Date:06-07-2026
Price: Unit price: $0.19
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Source:DigiKey
Part No:BC557B
Stock:8000
Inv Date:06-07-2026
Price: Unit price: $0.0267
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Source:DigiKey
Part No:BC557B
Stock:4315
Inv Date:06-07-2026
Price: Unit price: $0.1
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Source:DigiKey
Part No:BC557B
Stock:5801
Inv Date:06-07-2026
Price: Unit price: $0.08
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Part No:BC557B
Stock:8606
Inv Date:06-08-2026
Price: Unit price: $0.11
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Part No:BC557B
Stock:0
Inv Date:06-08-2026
Price: N/A
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Part No:BC557B
Stock:0
Inv Date:06-08-2026
Price: N/A
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Part No:BC557B
Stock:0
Inv Date:06-08-2026
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Part No:BC557B
Stock:0
Inv Date:06-07-2026
Price: Unit price: $0.0164
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Authorized Distributors
Part No:BC557B
Stock:1410
Inv Date:06-08-2026
Price: N/A
Buy/RFQ:

MULTICOMP PRO BC557B General Purpose Transistor Specifications:

  • Collector-Emitter Voltage: 45V
  • Collector-Base Voltage: 50V
  • Emitter-Base Voltage: 5V
  • Collector Current: 100mA
  • Peak Collector Current: 200mA
  • Power Dissipation: 500mW at 25°C
  • Storage Temperature: -65°C to +150°C
  • Junction Temperature: 150°C
  • Transition Frequency: 150 MHz
  • Collector output Capacitance: <6 pF
  • Emitter Input Capacitance: Typical 9 pF
  • Humidity and Thermal Resistance optimized for reliable operation in various environments

Buy the Buy Premier PNP Transistor Part Number BC557B Online

Secure your Premier BC557B PNP transistor online today. This reliable, high-gain transistor is perfect for audio, signal processing, and low noise applications. Its compact design and excellent thermal characteristics ensure longevity and stability in your electronic projects. Whether designing audio amplifiers or television signal circuits, you can count on the BC557B for consistent performance. Easy to incorporate into various circuits, it offers excellent value for both hobbyists and professionals seeking dependable, high-quality transistors for their manufacturing and repair needs.

Order your Premier Series BC557B transistor today and enhance your audio and signal processing projects with dependable low-noise performance.

Frequently Asked Questions

Where can I buy MULTICOMP PRO BC557B?

You can click on the BUY or RFQ button to purchase BC557B from an authorized MULTICOMP PRO distributor.

How do I troubleshoot issues or seek technical support for part BC557B?

You can download the BC557B datasheet or visit the MULTICOMP PRO website for support.

Who is the manufacturer of BC557B?

MULTICOMP PRO

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