Part Details for BC857B by Philips Semiconductors
Results Overview of BC857B by Philips Semiconductors
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Education and Research
Security and Surveillance
Audio and Video Systems
BC857B Information
BC857B by Philips Semiconductors is an Other Transistor.
Other Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Price & Stock for BC857B
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 3000 |
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RFQ | ||
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Quest Components | 100 MA, 45 V, PNP, SI, SMALL SIGNAL TRANSISTOR | 4656 |
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$0.0150 / $0.1500 | Buy Now |
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Quest Components | 100 MA, 45 V, PNP, SI, SMALL SIGNAL TRANSISTOR | 2728 |
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$0.0216 / $0.0480 | Buy Now |
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Quest Components | 100 MA, 45 V, PNP, SI, SMALL SIGNAL TRANSISTOR | 2400 |
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$0.0360 / $0.1200 | Buy Now |
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Quest Components | 100 MA, 45 V, PNP, SI, SMALL SIGNAL TRANSISTOR | 2248 |
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$0.0360 / $0.1200 | Buy Now |
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Quest Components | 100 MA, 45 V, PNP, SI, SMALL SIGNAL TRANSISTOR | 2152 |
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$0.0360 / $0.1200 | Buy Now |
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Chip 1 Exchange | INSTOCK | 101225 |
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RFQ | |
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Chip 1 Exchange | INSTOCK | 3500 |
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RFQ |
Part Details for BC857B
BC857B CAD Models
BC857B Part Data Attributes
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BC857B
Philips Semiconductors
Buy Now
Datasheet
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Compare Parts:
BC857B
Philips Semiconductors
Transistor
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | PHILIPS SEMICONDUCTORS | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 0.1 A | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 220 | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Operating Temperature-Max | 150 °C | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | PNP | |
| Power Dissipation-Max (Abs) | 0.3 W | |
| Surface Mount | YES | |
| Terminal Finish | MATTE TIN | |
| Transition Frequency-Nom (fT) | 100 MHz |
BC857B Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the BC857B is -55°C to 150°C, but it's recommended to operate within -40°C to 125°C for optimal performance and reliability.
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Yes, the BC857B can be used as a switch, but it's not recommended due to its relatively low current gain (hFE) and high saturation voltage (VCE(sat)). It's better suited for amplifier applications.
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To ensure the BC857B is properly biased for linear operation, you should provide a stable voltage supply, set the base-emitter voltage (VBE) to around 0.65-0.7V, and adjust the collector-emitter voltage (VCE) to the desired level while maintaining a reasonable current through the transistor.
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The maximum power dissipation for the BC857B is 500mW, but this can vary depending on the operating conditions and the thermal resistance of the package and PCB. It's essential to ensure proper heat sinking and thermal management to prevent overheating.
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The BC857B is not ideal for high-frequency applications due to its relatively low transition frequency (fT) of around 100MHz. For high-frequency applications, consider using a transistor with a higher fT, such as the BC817 or BC337.