Part Details for BUX348 by STMicroelectronics
Results Overview of BUX348 by STMicroelectronics
- Distributor Offerings: (0 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)
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BUX348 Information
BUX348 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.
Part Details for BUX348
BUX348 CAD Models
BUX348 Part Data Attributes
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BUX348
STMicroelectronics
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Datasheet
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BUX348
STMicroelectronics
45A, 450V, NPN, Si, POWER TRANSISTOR, TO-3, TO-3, 2 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | TO-204AA | |
| Package Description | TO-3, 2 PIN | |
| Pin Count | 2 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Samacsys Manufacturer | STMicroelectronics | |
| Case Connection | COLLECTOR | |
| Collector Current-Max (IC) | 45 A | |
| Collector-Emitter Voltage-Max | 450 V | |
| Configuration | SINGLE | |
| JEDEC-95 Code | TO-3 | |
| JESD-30 Code | O-MBFM-P2 | |
| JESD-609 Code | e3 | |
| 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 | 300 W | |
| Power Dissipation-Max (Abs) | 300 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | PIN/PEG | |
| Terminal Position | BOTTOM | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Turn-off Time-Max (toff) | 4900 ns | |
| VCEsat-Max | 0.9 V |
Alternate Parts for BUX348
This table gives cross-reference parts and alternative options found for BUX348. 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 BUX348, 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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| BUX348 | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 40A, 800V, NPN, Si, POWER TRANSISTOR, TO-204AE, HERMETIC SEALED, METAL, TO-3, 2 PIN | BUX348 vs BUX348 |
BUX348 Frequently Asked Questions (FAQ)
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The BUX348 is a low-frequency transistor, and its maximum operating frequency is typically limited to around 100 kHz to 200 kHz.
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To ensure linear operation, the BUX348 should be biased in the active region, with a collector-emitter voltage (Vce) between 2-5V and a base-emitter voltage (Vbe) around 0.7V. The exact biasing conditions may vary depending on the specific application and required performance.
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The maximum power dissipation of the BUX348 is 1.5W, and it's essential to ensure that the transistor does not exceed this rating to prevent overheating and damage.
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While the BUX348 can be used as a switch, it's not the most suitable application due to its relatively low current gain (hFE) and high saturation voltage (Vce(sat)). For switching applications, a transistor with a higher hFE and lower Vce(sat) would be more suitable.
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To protect the BUX348 from ESD, it's essential to handle the device with anti-static precautions, such as using an anti-static wrist strap or mat, and storing the device in anti-static packaging. Additionally, consider adding ESD protection circuits in the application design.