Part Details for BC547B by Fairchild Semiconductor Corporation
Results Overview of BC547B by Fairchild Semiconductor Corporation
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Audio and Video Systems
BC547B Information
BC547B by Fairchild Semiconductor Corporation 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.
Price & Stock for BC547B
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
2156-BC547B-ND
|
DigiKey | TRANS NPN 45V 0.1A TO-92-3 Min Qty: 4092 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT |
35278 In Stock |
|
$0.0700 | Buy Now |
|
|
Quest Components | TRANSISTOR,BJT,NPN,45V V(BR)CEO,100MA I(C),TO-92 | 771 |
|
$0.0594 / $0.1320 | Buy Now |
|
|
Quest Components | TRANSISTOR,BJT,NPN,45V V(BR)CEO,100MA I(C),TO-92 | 69 |
|
$0.0700 / $0.1400 | Buy Now |
|
|
Rochester Electronics | Small Signal Bipolar Transistor, 0.1A, 45V, NPN, TO-92 RoHS: Compliant Status: Active Min Qty: 1 | 35278 |
|
$0.0437 / $0.0705 | Buy Now |
|
|
ComSIT USA | AVAILABLE EU | 77 |
|
RFQ |
Part Details for BC547B
BC547B CAD Models
BC547B Part Data Attributes
|
|
BC547B
Fairchild Semiconductor Corporation
Buy Now
Datasheet
|
Compare Parts:
BC547B
Fairchild Semiconductor Corporation
Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN
|
| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | TO-92 | |
| Package Description | LEAD FREE, TO-92, 3 PIN | |
| Pin Count | 3 | |
| Manufacturer Package Code | 3LD, TO-92, MOLDED, STD STRAIGHT LD (NO EOL CODE) | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.21.00.95 | |
| Additional Feature | LOW NOISE | |
| Case Connection | ISOLATED | |
| 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 | e1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.625 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | TIN SILVER COPPER | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | BOTTOM | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 300 MHz |
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 |
|---|---|---|---|---|
| BC547B | onsemi | $0.0867 | NPN Epitaxial Silicon Transistor, TO-92-3, 10000-BLKBG | BC547B vs BC547B |
BC547B Frequently Asked Questions (FAQ)
-
The BC547B can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance.
-
To ensure proper biasing, set the base voltage (VBE) between 0.6V to 0.8V, and the collector-emitter voltage (VCE) between 1V to 10V, depending on the specific application requirements.
-
The maximum collector current (IC) rating for the BC547B is 100mA, but it's recommended to keep it below 50mA for reliable operation and to prevent overheating.
-
Yes, the BC547B can be used as a switch, but ensure the base is driven hard enough to saturate the transistor (VBE ≈ 0.8V). Also, consider the collector-emitter saturation voltage (VCE(sat)) and the switching frequency to avoid overheating and ensure reliable operation.
-
Choose resistor values based on the specific application requirements, such as the desired current gain, voltage drop, and power dissipation. A general rule of thumb is to use a base resistor (RB) between 1kΩ to 10kΩ and a collector resistor (RC) between 100Ω to 1kΩ.