Part Details for 2N4401BU by Fairchild Semiconductor Corporation
Results Overview of 2N4401BU by Fairchild Semiconductor Corporation
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (9 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.
Applications
Consumer Electronics
Audio and Video Systems
2N4401BU Information
2N4401BU by Fairchild Semiconductor Corporation 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 2N4401BU
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 984 |
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RFQ | ||
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Quest Components | 600MA, 40V, NPN, SI, SMALL SIGNAL TRANSISTOR, TO-92 | 52 |
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$0.1755 / $0.3900 | Buy Now |
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ComSIT USA | NPN GENERAL PURPOSE AMPLIFIER Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 ECCN: EAR99 RoHS: Compliant |
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RFQ | |
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DISTI #
2N4401BU
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IBS Electronics | 2N4401BU by Fairchild is an NPN bipolar junction transistor with a collector current of 600mA, a collector-emitter voltage of 40V, and a power dissipation of 625mW, ideal for switching and amplification. Min Qty: 10000 Package Multiple: 1 | 101604 |
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$0.0361 / $0.0381 | Buy Now |
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Component Electronics, Inc | IN STOCK SHIP TODAY | 5 |
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$0.1000 / $0.1500 | Buy Now |
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Vyrian | Transistors | 40839 |
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RFQ | |
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Win Source Electronics | TRANS NPN 40V 0.6A TO-92 | 65500 |
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$0.0461 / $0.0595 | Buy Now |
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Wuhan P&S | 40V,600mA,NPN General Purpose Transistor Min Qty: 1 | 25000 |
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$0.0412 / $0.0851 | Buy Now |
Part Details for 2N4401BU
2N4401BU CAD Models
2N4401BU Part Data Attributes
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2N4401BU
Fairchild Semiconductor Corporation
Buy Now
Datasheet
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Compare Parts:
2N4401BU
Fairchild Semiconductor Corporation
Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | TO-92 | |
| Package Description | LEAD FREE, TO-92, 3 PIN | |
| Pin Count | 3 | |
| Manufacturer Package Code | 3LD, TO92, JEDEC TO-92 COMPLIANT STRAIGHT LEAD CONFIGURATION (OLD TO92AM3) | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.21.00.95 | |
| Collector Current-Max (IC) | 0.6 A | |
| Collector-Emitter Voltage-Max | 40 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 40 | |
| 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) | 0.35 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) | 250 MHz | |
| Turn-off Time-Max (toff) | 255 ns | |
| Turn-on Time-Max (ton) | 35 ns |
Alternate Parts for 2N4401BU
This table gives cross-reference parts and alternative options found for 2N4401BU. 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 2N4401BU, 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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| 2N4401TF | onsemi | $0.0452 | NPN Bipolar Junction Transistor, TO-92, TO-92-3 LF, 2000-REEL | 2N4401BU vs 2N4401TF |
| 2N4401D75Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | 2N4401BU vs 2N4401D75Z |
| 2N4401RLRE | Motorola Semiconductor Products | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 | 2N4401BU vs 2N4401RLRE |
| 2N4401RLRE | Motorola Mobility LLC | Check for Price | 600mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 | 2N4401BU vs 2N4401RLRE |
| 2N4401-AP | Micro Commercial Components | Check for Price | Small Signal Bipolar Transistor, 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 | 2N4401BU vs 2N4401-AP |
| 2N4401-BP | Micro Commercial Components | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, ROHS COMPLIANT, PLASTIC PACKAGE-3 | 2N4401BU vs 2N4401-BP |
| 2N4401TFR | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN | 2N4401BU vs 2N4401TFR |
| 2N4401RL1 | Motorola Mobility LLC | Check for Price | 600mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 | 2N4401BU vs 2N4401RL1 |
| 2N4401_J05Z | Fairchild Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN | 2N4401BU vs 2N4401_J05Z |
2N4401BU Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the 2N4401BU is -55°C to 150°C.
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Yes, the 2N4401BU is suitable for high-frequency applications up to 100 MHz due to its low capacitance and high current gain.
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Yes, the 2N4401BU can be used as a switch due to its high current gain and low saturation voltage, making it suitable for switching applications.
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The maximum collector current rating for the 2N4401BU is 500 mA.
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Yes, the 2N4401BU is a low-noise transistor with a low noise figure, making it suitable for audio and other noise-sensitive applications.