Part Details for BC547B by NXP Semiconductors
Results Overview of BC547B by NXP Semiconductors
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (9 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Consumer Electronics
Audio and Video Systems
BC547B Information
BC547B by NXP Semiconductors is a Small Signal Bipolar Transistor.
Small Signal Bipolar 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.
Part Details for BC547B
BC547B CAD Models
BC547B Part Data Attributes
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BC547B
NXP Semiconductors
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Datasheet
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BC547B
NXP Semiconductors
TRANSISTOR 100 mA, 45 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | NXP SEMICONDUCTORS | |
| Part Package Code | TO-92 | |
| Package Description | PLASTIC, SC-43A, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | NXP | |
| Collector Current-Max (IC) | 0.1 A | |
| Collector-Emitter Voltage-Max | 45 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 200 | |
| JEDEC-95 Code | TO-92 | |
| JESD-30 Code | O-PBCY-T3 | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -65 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Peak Reflow Temperature (Cel) | 250 | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.625 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | BOTTOM | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 100 MHz | |
| VCEsat-Max | 0.6 V |
Alternate Parts for BC547B
This table gives cross-reference parts and alternative options found for BC547B. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BC547B, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
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| BC547B{BOX} | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BC547B vs BC547B{BOX} |
| BC547B-AP | Micro Commercial Components | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 | BC547B vs BC547B-AP |
| BC547BD26Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN | BC547B vs BC547BD26Z |
| BC547BNMBU | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN | BC547B vs BC547BNMBU |
| BC547BBU | Fairchild Semiconductor Corporation | Check for Price | NPN Epitaxial Silicon Transistor, 3LD, TO92, JEDEC TO-92 COMPLIANT STRAIGHT LEAD CONFIGURATION (OLD TO92AM3), 10000/BULK | BC547B vs BC547BBU |
| BC547B-AP | STMicroelectronics | Check for Price | 100mA, 45V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, TO-92, 3 PIN | BC547B vs BC547B-AP |
| BC547BJ05Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, TO-92, 3 PIN | BC547B vs BC547BJ05Z |
| BC547B/D28Z | Texas Instruments | Check for Price | 45V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 | BC547B vs BC547B/D28Z |
| BC547B | National Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BC547B vs BC547B |
BC547B Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the BC547B is -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance and reliability.
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To ensure the BC547B is properly biased for linear operation, you should ensure that the base-emitter voltage (VBE) is between 0.6V to 0.8V, and the collector-emitter voltage (VCE) is at least 1V higher than the base-emitter voltage. Additionally, the collector current should be limited to the recommended maximum value to prevent overheating.
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The maximum collector current that the BC547B can handle is 100mA, but it's recommended to limit the collector current to 50mA or less for optimal performance and reliability.
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Yes, the BC547B can be used as a switch, but it's not recommended due to its relatively low collector-emitter saturation voltage (VCE(sat)) of around 0.2V. This can lead to higher power losses and reduced efficiency. Instead, consider using a transistor specifically designed for switching applications, such as the 2N3904 or 2N2222.
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To protect the BC547B from ESD, you should handle the device by the body or use an anti-static wrist strap or mat. Avoid touching the pins or leads, and ensure that the device is stored in an anti-static package or bag. Additionally, consider adding ESD protection components, such as diodes or resistors, to the circuit design.