| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| 2N6517 | onsemi | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 350V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs 2N6517 |
| MPSA42STZ | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon | BF420-AP vs MPSA42STZ |
| 2N6517RLRA | onsemi | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 350V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs 2N6517RLRA |
| MPSA42RLRMG | onsemi | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs MPSA42RLRMG |
| 2N6517STOA | Diodes Incorporated | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 350V V(BR)CEO, 1-Element, NPN, Silicon | BF420-AP vs 2N6517STOA |
| MPSA42 | NXP Semiconductors | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs MPSA42 |
| MPSA42D26Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs MPSA42D26Z |
| 2N6517 | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 350V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs 2N6517 |
| MPSA42 | Vishay Intertechnologies | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs MPSA42 |
| MPSA42 | Crimson Semiconductor Inc | Check for Price | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | BF420-AP vs MPSA42 |
Part Details for BF420-AP by STMicroelectronics
Results Overview of BF420-AP by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Not Available)
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- 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
Automotive
BF420-AP Information
BF420-AP by STMicroelectronics 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 BF420-AP
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
BF420-AP-ND
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DigiKey | TRANS NPN 300V 0.5A TO-92-3 Min Qty: 18000 Container: Ammo Pack |
0 Tape & Box |
|
$0.0375 / $0.0487 | Buy Now |
BF420-AP Part Data Attributes
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BF420-AP
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
BF420-AP
STMicroelectronics
Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | TO-92 | |
| Package Description | To-92, 3 Pin | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| Collector Current-Max (IC) | 0.5 A | |
| Collector-Emitter Voltage-Max | 300 V | |
| Configuration | Single | |
| DC Current Gain-Min (hFE) | 50 | |
| 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 | |
| Package Body Material | Plastic/Epoxy | |
| Package Shape | Round | |
| Package Style | Cylindrical | |
| Polarity/Channel Type | Npn | |
| Power Dissipation-Max (Abs) | 0.83 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | No | |
| Terminal Finish | Matte Tin | |
| Terminal Form | Through-Hole | |
| Terminal Position | Bottom | |
| Transistor Application | Switching | |
| Transistor Element Material | Silicon | |
| Transition Frequency-Nom (fT) | 60 Mhz |
Alternate Parts for BF420-AP
This table gives cross-reference parts and alternative options found for BF420-AP. 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 BF420-AP, 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.
BF420-AP Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the application note AN5323, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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The BF420-AP has several low-power modes that can be configured through the SPI interface. The device can be put into shutdown mode, standby mode, or low-power mode by setting the appropriate bits in the power management register. Refer to the datasheet and application notes for specific configuration details.
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The BF420-AP is rated for operation from -40°C to 125°C, but the maximum operating temperature range may vary depending on the specific application and use case. It's recommended to consult the datasheet and application notes for specific temperature range recommendations.
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Common issues with the ADC include incorrect voltage reference settings, inadequate analog input filtering, and incorrect ADC configuration. Check the datasheet and application notes for troubleshooting guidelines, and use tools like oscilloscopes and logic analyzers to debug the issue.
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Yes, the BF420-AP can operate with a 3.3V power supply, but it's recommended to use a 1.8V power supply for optimal performance and to ensure compatibility with the device's internal voltage regulators. Consult the datasheet and application notes for specific power supply recommendations.