| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| BU323 | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 10A, 400V, NPN, Si, POWER TRANSISTOR, TO-204AA, HERMETIC SEALED, METAL, TO-3, 2 PIN | BU941 vs BU323 |
| BUX37.MOD | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 15A, 400V, NPN, Si, POWER TRANSISTOR, TO-204AA, TO-3, 2 PIN | BU941 vs BUX37.MOD |
| MJ10000 | Motorola Semiconductor Products | Check for Price | Power Bipolar Transistor, 20A I(C), 350V V(BR)CEO, 1-Element, NPN, Silicon, TO-204AA, Metal, 2 Pin | BU941 vs MJ10000 |
| SDM6000 | Solitron Devices Inc | Check for Price | Power Bipolar Transistor, 15A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin | BU941 vs SDM6000 |
| MJ10006 | Mospec Semiconductor Corp | Check for Price | Power Bipolar Transistor, 10A I(C), NPN | BU941 vs MJ10006 |
| BUX37R1 | TT Electronics Resistors | Check for Price | Power Bipolar Transistor, 15A I(C), 400V V(BR)CEO, 1-Element, NPN, Silicon, TO-204AA, Metal, 2 Pin | BU941 vs BUX37R1 |
| NTE98 | NTE Electronics Inc | Check for Price | Power Bipolar Transistor, 20A I(C), 500V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin | BU941 vs NTE98 |
| BUX29.MOD | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | 6A, 400V, NPN, Si, POWER TRANSISTOR, TO-204AA, HERMETIC SEALED, METAL, TO-3, 2 PIN | BU941 vs BUX29.MOD |
| MJ10009 | Mospec Semiconductor Corp | Check for Price | Power Bipolar Transistor, 20A I(C), NPN | BU941 vs MJ10009 |
| BUX37.MOD | TT Electronics Resistors | Check for Price | Power Bipolar Transistor, 15A I(C), 400V V(BR)CEO, 1-Element, NPN, Silicon, TO-204AA, Metal, 2 Pin | BU941 vs BUX37.MOD |
Part Details for BU941 by STMicroelectronics
Results Overview of BU941 by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- 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
Consumer Electronics
Energy and Power Systems
Renewable Energy
Automotive
BU941 Information
BU941 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 BU941
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
497-3129-5-ND
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DigiKey | TRANS NPN DARL 400V 15A TO-3 Min Qty: 400 Container: Tube |
0 Tube |
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$1.8881 | Buy Now |
US Tariff Estimator: BU941 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.
BU941 Part Data Attributes
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BU941
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
BU941
STMicroelectronics
Power Bipolar Transistor, 15A I(C), 400V V(BR)CEO, 1-Element, NPN, Silicon, TO-3, Metal, 2 Pin
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | TO-204AA | |
| Package Description | To-3, 2 Pin | |
| Pin Count | 2 | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Case Connection | Collector | |
| Collector Current-Max (IC) | 15 A | |
| Collector-Emitter Voltage-Max | 400 V | |
| Configuration | Darlington With Built-In Diode And Resistor | |
| DC Current Gain-Min (hFE) | 300 | |
| 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 | 180 W | |
| Power Dissipation-Max (Abs) | 180 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 | |
| VCEsat-Max | 2 V |
Alternate Parts for BU941
This table gives cross-reference parts and alternative options found for BU941. 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 BU941, 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.
BU941 Frequently Asked Questions (FAQ)
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A good PCB layout for the BU941 involves keeping the input and output traces separate, using a ground plane, and placing the device close to the power source. Additionally, using a shielded cable for the USB connection can help reduce EMI.
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To ensure reliable communication, make sure to use a USB cable that meets the USB 2.0 specification, and implement proper error handling and retry mechanisms in your firmware. Also, ensure that the BU941 is properly configured and initialized before attempting data transfer.
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The BU941 supports cable lengths up to 3 meters (10 feet) for USB 2.0 high-speed devices, and up to 5 meters (16 feet) for USB 2.0 full-speed devices. However, the actual cable length may vary depending on the specific application and environment.
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The BU941 can be powered from the USB bus or an external power source. For proper power management, ensure that the voltage regulator is capable of providing a stable 3.3V supply, and consider using a low-dropout regulator (LDO) to minimize power consumption.
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The BU941 has a maximum junction temperature of 150°C. To ensure reliable operation, ensure good thermal design practices, such as providing adequate heat dissipation, using a heat sink if necessary, and avoiding high ambient temperatures.