Part Details for BC817-40 by NXP Semiconductors
Results Overview of BC817-40 by NXP Semiconductors
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- 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.
BC817-40 Information
BC817-40 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.
Price & Stock for BC817-40
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 9528 |
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RFQ | ||
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Bristol Electronics | Min Qty: 34 | 440 |
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$0.0750 / $0.1500 | Buy Now |
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Quest Components | TRANSISTOR,BJT,NPN,45V V(BR)CEO,500MA I(C),TO-236AA | 20302 |
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$0.0332 / $0.1020 | Buy Now |
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Quest Components | TRANSISTOR,BJT,NPN,45V V(BR)CEO,500MA I(C),TO-236AA | 7622 |
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$0.0510 / $0.2550 | Buy Now |
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Quest Components | TRANSISTOR,BJT,NPN,45V V(BR)CEO,500MA I(C),TO-236AA | 944 |
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$0.0400 / $0.2000 | Buy Now |
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Quest Components | TRANSISTOR,BJT,NPN,45V V(BR)CEO,500MA I(C),TO-236AA | 352 |
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$0.0600 / $0.2000 | Buy Now |
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NexGen Digital | 1500000 |
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DISTI #
SMC-BC817-40
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Sensible Micro Corporation | AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days | 3982 |
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Win Source Electronics | TRANS NPN 45V 0.5A SOT23 | 990000 |
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$0.0050 / $0.0064 | Buy Now |
Part Details for BC817-40
BC817-40 CAD Models
BC817-40 Part Data Attributes
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BC817-40
NXP Semiconductors
Buy Now
Datasheet
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Compare Parts:
BC817-40
NXP Semiconductors
TRANSISTOR 500 mA, 45 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-236AB, PLASTIC PACKAGE-3, BIP General Purpose Small Signal
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NXP SEMICONDUCTORS | |
| Part Package Code | SOT-23 | |
| Package Description | PLASTIC PACKAGE-3 | |
| Pin Count | 3 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | NXP | |
| Collector Current-Max (IC) | 0.5 A | |
| Collector-Emitter Voltage-Max | 45 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 250 | |
| JEDEC-95 Code | TO-236AB | |
| JESD-30 Code | R-PDSO-G3 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 0.25 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | YES | |
| Terminal Finish | Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 100 MHz | |
| VCEsat-Max | 0.7 V |
Alternate Parts for BC817-40
This table gives cross-reference parts and alternative options found for BC817-40. 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 BC817-40, 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 |
|---|---|---|---|---|
| BC817-40T/R7 | PanJit Semiconductor | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-3 | BC817-40 vs BC817-40T/R7 |
BC817-40 Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the BC817-40 is -55°C to 150°C.
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Yes, the BC817-40 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 calculate the base resistor value, you need to know the input voltage, output voltage, and the desired collector current. A general rule of thumb is to use a base resistor value that is 1/10 to 1/20 of the collector resistor value.
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The BC817-40 has a transition frequency (fT) of 100 MHz, making it suitable for low- to medium-frequency applications. However, it may not be the best choice for high-frequency applications above 100 MHz.
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Yes, the BC817-40 can be used in a Darlington pair configuration to increase the current gain and improve the overall performance of the circuit.