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MULTICOMP PRO BC640 PNP transistor

The BC640 is a PNP silicon planar epitaxial low-power bipolar transistor designed for driver stages and audio amplifier applications. It features a junction-to-case thermal resistance of 45°C/W and a junction-to-ambient thermal resistance of 156°C/W in free air. Suitable for audio-related circuits, this transistor is part of the Multicomp Pro product line, which is rated 4.6 out of 5 stars. Customers benefit from a 12-month limited warranty. Market demand may cause lead time fluctuations, and the product is exempt from discounts, making it a reliable choice for audio and driver applications.

Authorized Distributors
Source:Newark
Part No:BC640
Stock:1424
Inv Date:06-07-2026
Price: Unit price: $0.191
Buy/RFQ:
Source:DigiKey
Part No:BC640
Stock:24267
Inv Date:06-07-2026
Price: Unit price: $0.1
Buy/RFQ:
Part No:BC640
Stock:0
Inv Date:06-08-2026
Price: N/A
Buy/RFQ:
Part No:BC640
Stock:0
Inv Date:06-08-2026
Price: N/A
Buy/RFQ:
Part No:BC640
Stock:0
Inv Date:06-08-2026
Price: N/A
Buy/RFQ:

MULTICOMP PRO BC640 PNP transistor Specifications:

  • Collector-Base Voltage: 80 V
  • Collector-Emitter Voltage: Vv = 80 V
  • Emitter-Base Voltage: 5 V
  • Collector Current: 1 A
  • Power Dissipation at 25°C: 800 mW
  • Power Dissipation Derate Above 25°C: 64 mW/°C
  • Operating Junction Temperature Range: -55°C to +150°C
  • Thermal Resistance Junction to Case: 45°C/W
  • Thermal Resistance Junction to Ambient: 156°C/W
  • Collector-Base Voltage Test Condition: I = 10mA
  • Collector-Emitter Voltage Test Condition: V = 30V, I = 10mA
  • Emitter-Base Voltage: I = 10pA
  • Collector Cut Off Current: <100 nA at 126°C
  • Base Emitter On Voltage: <1V at 500mA
  • Collector Emitter Saturation Voltage: <0.5V at 500mA
  • DC Current Gain: 63–160 (Group-10), 100–250 (Group-16)
  • Transition Frequency: 200 MHz (Typical)
  • Output Capacitance: 7 pF (Typical)
  • Input Capacitance: 9 pF (Typical)

Buy the Buy Multicomp PNP Transistor Part Number BC640 Online

Get the Multicomp BC640 PNP transistor online now and improve your audio amplifiers and driver stages with this low-power, reliable component. Featuring excellent thermal performance, a maximum collector current of 1A, and a junction-to-ambient thermal resistance of 156°C/W, this transistor offers optimal efficiency for audio applications. Its user-friendly TO-92 package simplifies integration into your projects. Order today to ensure fast delivery and enjoy the benefits of a high-quality component backed by a 12-month warranty, perfect for professional or hobbyist electronic projects.

Order your Multicomp Series BC640 low-power PNP transistor today and enhance your audio and driver circuits with reliable, high-quality performance.

Frequently Asked Questions

Where can I buy MULTICOMP PRO BC640?

You can click on the BUY or RFQ button to purchase BC640 from an authorized MULTICOMP PRO distributor.

How do I troubleshoot issues or seek technical support for part BC640?

You can download the BC640 datasheet or visit the MULTICOMP PRO website for support.

Who is the manufacturer of BC640?

MULTICOMP PRO

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