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ONSEMI BC557BTA PNP silicon transistor

The BC557BTA is a PNP epitaxial silicon transistor designed for switching and amplification applications. It features high-voltage capabilities with VcEo = -65 V and low-noise performance, making it suitable for delicate circuits. The device's construction includes a TO-92 package with straight lead configuration, ensuring easy integration into various electronic systems. It offers reliable operation with maximum collector-emitter voltage and collector current ratings, making it ideal for general-purpose switching and amplification in industrial equipment, automotive electronics, and consumer devices. Key parameters include junction temperature of 150°C and total power dissipation of 500 mW.

Authorized Distributors
Source:Newark
Part No:BC557BTA
Stock:439
Inv Date:06-10-2026
Price: Unit price: $0.292
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Source:DigiKey
Part No:BC557BTA
Stock:3441
Inv Date:06-10-2026
Price: Unit price: $0.28
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Part No:BC557BTA
Stock:17970
Inv Date:06-11-2026
Price: Unit price: $0.28
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Source:Arrow EU
Part No:BC557BTA
Stock:6000
Inv Date:06-11-2026
Price: N/A
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Part No:BC557BTA
Stock:15570
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI BC557BTA PNP silicon transistor Specifications:

  • Collector-Base Voltage: -65 V
  • Collector-Emitter Voltage: -45 V
  • Emitter-Base Voltage: 5 V
  • Collector Current (DC): -100 mA
  • Peak Collector Current (Pulse): -200 mA
  • Power Dissipation: 500 mW
  • Junction Temperature: 150°C
  • Storage Temperature Range: -65°C to +150°C
  • Thermal Resistance, Junction-to-Ambient: 250 °C/W
  • Pin configuration: TO-92 package with straight leads
  • Maximum operating temperature: 150°C
  • Maximum collector-emitter voltage: -65 V
  • Maximum collector-base voltage: -65 V
  • Maximum collector current: -100 mA
  • Total power dissipation: 500 mW

Buy the ON Semiconductor BC557BTA – Reliable PNP Transistor for Industrial Applications

Purchase the ON Semiconductor BC557BTA today to enhance your electronic projects with a high-voltage, low-noise PNP transistor. Its robust design ensures dependable performance in switching and amplification applications across various industries. With a TO-92 package for easy installation, it supports a maximum collector-emitter voltage of -45 V and a collector current of -100 mA. Suitable for automotive, industrial, and consumer electronics, this device guarantees high quality, reliability, and durability for your critical applications.

Order your ON Semiconductor BC557BTA transistor today and ensure reliable switching and amplification in your industrial and electronic projects.

Frequently Asked Questions

Where can I buy ONSEMI BC557BTA?

You can click on the BUY or RFQ button to purchase BC557BTA from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part BC557BTA?

You can download the BC557BTA datasheet or visit the ONSEMI website for support.

Who is the manufacturer of BC557BTA?

ONSEMI

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