| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| BUX12CECC | TT Electronics Resistors | Check for Price | Power Bipolar Transistor, 20A I(C), 250V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin | BUX12 vs BUX12CECC |
Part Details for BUX12 by STMicroelectronics
Results Overview of BUX12 by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- 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.
BUX12 Information
BUX12 by STMicroelectronics is a Power Bipolar Transistor.
Power 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 BUX12
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Power Bipolar Transistor, 20A I(C), 250V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin | 6328 |
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RFQ |
US Tariff Estimator: BUX12 by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
BUX12 Part Data Attributes
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BUX12
STMicroelectronics
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Datasheet
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BUX12
STMicroelectronics
Power Bipolar Transistor, 20A I(C), 250V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin
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| Part Life Cycle Code | Obsolete | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Case Connection | Collector | |
| Collector Current-Max (IC) | 20 A | |
| Collector-Emitter Voltage-Max | 250 V | |
| Configuration | Single | |
| DC Current Gain-Min (hFE) | 10 | |
| JEDEC-95 Code | TO-3 | |
| JESD-30 Code | O-MBFM-P2 | |
| Number of Elements | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 200 °C | |
| Package Body Material | Metal | |
| Package Shape | Round | |
| Package Style | Flange Mount | |
| Polarity/Channel Type | Npn | |
| Power Dissipation Ambient-Max | 150 W | |
| Power Dissipation-Max (Abs) | 150 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | No | |
| Terminal Form | Pin/Peg | |
| Terminal Position | Bottom | |
| Transistor Application | Switching | |
| Transistor Element Material | Silicon | |
| Transition Frequency-Nom (fT) | 8 Mhz | |
| Turn-off Time-Max (toff) | 2500 Ns | |
| Turn-on Time-Max (ton) | 1000 Ns | |
| VCEsat-Max | 1.5 V |
Alternate Parts for BUX12
This table gives cross-reference parts and alternative options found for BUX12. 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 BUX12, 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.
BUX12 Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the application note AN4392, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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The input capacitor selection depends on the input voltage, frequency, and ripple current. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 1uF to 10uF. The datasheet provides more detailed guidance on capacitor selection.
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The BUX12 has an operating temperature range of -40°C to 150°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal management and heat dissipation to prevent overheating and ensure reliable operation.
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Yes, the BUX12 is qualified for automotive and high-reliability applications. It meets the AEC-Q101 qualification standard for automotive components and is suitable for use in harsh environments. However, it's essential to follow the recommended design and manufacturing guidelines to ensure the device meets the required reliability and quality standards.
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STMicroelectronics provides a troubleshooting guide in the application note AN4392, which covers common issues, symptoms, and solutions. Additionally, the datasheet provides guidance on fault detection and protection features, such as overvoltage protection and thermal shutdown.