Part Details for BD441STU by Fairchild Semiconductor Corporation
Results Overview of BD441STU by Fairchild Semiconductor Corporation
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- 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.
BD441STU Information
BD441STU by Fairchild Semiconductor Corporation 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 BD441STU
| Part # | Distributor | Description | Stock | Price | Buy | |
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ComSIT USA | NPN EPITAXIAL SILICON TRANSISTOR Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin ECCN: EAR99 RoHS: Compliant |
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Part Details for BD441STU
BD441STU CAD Models
BD441STU Part Data Attributes
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BD441STU
Fairchild Semiconductor Corporation
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Datasheet
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BD441STU
Fairchild Semiconductor Corporation
Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin,
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | TO-126 | |
| Pin Count | 3 | |
| Manufacturer Package Code | TO-126 (SOT32) UNIFIED DRAWING (TSTU, TSSTU, STANDARD) | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Collector Current-Max (IC) | 4 A | |
| Collector-Emitter Voltage-Max | 80 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 15 | |
| JEDEC-95 Code | TO-126 | |
| JESD-30 Code | R-PSFM-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 | RECTANGULAR | |
| Package Style | FLANGE MOUNT | |
| Polarity/Channel Type | NPN | |
| Power Dissipation-Max (Abs) | 36 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | SINGLE | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 3 MHz |
Alternate Parts for BD441STU
This table gives cross-reference parts and alternative options found for BD441STU. 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 BD441STU, 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 |
|---|---|---|---|---|
| BD441 | Samsung Semiconductor | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin | BD441STU vs BD441 |
| BD441STU | Rochester Electronics LLC | Check for Price | 4A, 80V, NPN, Si, POWER TRANSISTOR, TO-126 | BD441STU vs BD441STU |
| BD441 | Continental Device India Ltd | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin, PLASTIC PACKAGE-3 | BD441STU vs BD441 |
| BD441 | Baneasa SA | Check for Price | Power Bipolar Transistor, 4A I(C), 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD441STU vs BD441 |
| BD441 | Fairchild Semiconductor Corporation | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD441STU vs BD441 |
| BD441 | SPC Multicomp | Check for Price | Power Bipolar Transistor, | BD441STU vs BD441 |
| BD441 | Motorola Mobility LLC | Check for Price | 4A, 80V, NPN, Si, POWER TRANSISTOR, TO-225AA | BD441STU vs BD441 |
| BD441 | STMicroelectronics | Check for Price | 4A, 80V, NPN, Si, POWER TRANSISTOR, TO-126, ROHS COMPLIANT PACKAGE-3 | BD441STU vs BD441 |
BD441STU Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the BD441STU is -40°C to 150°C, but it's recommended to operate within -40°C to 125°C for optimal performance and reliability.
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To ensure proper biasing, make sure to provide a stable input voltage (VCC) between 10V to 30V, and a base-emitter voltage (VBE) of around 0.7V to 1.0V. Also, ensure the collector-emitter voltage (VCE) is within the recommended range of 0V to 30V.
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For optimal thermal management, use a heat sink with a thermal resistance of less than 10°C/W, and ensure good airflow around the device. For PCB layout, keep the traces short and wide, and use a solid ground plane to reduce thermal resistance and electromagnetic interference (EMI).
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Yes, the BD441STU can be used in switching applications, but it's essential to ensure the device is properly biased and the switching frequency is within the recommended range of 100 kHz to 1 MHz. Also, consider using a snubber circuit to reduce electromagnetic interference (EMI) and voltage spikes.
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To protect the BD441STU from overvoltage, use a voltage regulator or a zener diode to clamp the input voltage. For overcurrent protection, use a current sense resistor and a comparator to detect excessive current, and then shut down the device or reduce the current using a current limiter.