Image not available
Illustrative purposes only
BUT11AFTU
Bipolar (BJT) Single Transistor, NPN, 450 V, 5 A, 40 W, TO-220F, Through Hole
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: ONSEMI
- Product type: Single Bipolar Junction Transistors - BJT
- Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:450V; Transition Frequency ft:-; Power Dissipation Pd:40W; DC Collector Current:5; Available until stocks are exhausted
- MSL: -
- SVHC: Lead (27-Jun-2024)
- No. of Pins: 3Pins
- Product Range: -
- Qualification: -
- Power Dissipation: 40W
- Transistor Mounting: Through Hole
- Transistor Polarity: NPN
- Transition Frequency: -
- Transistor Case Style: TO-220F
- DC Current Gain hFE Min: -
- Operating Temperature Max: 150°C
- Continuous Collector Current: 5A
- Collector Emitter Voltage Max: 450V
| Delivery and price | |
|---|---|
| Units per pack | 1000 |
| Price | 0.712 € |
| Current stock | 500+ |
| Lead time | 7 days |
Datasheet
**==> picture [106 x 35] intentionally omitted <==** ## **BUT11F/11AF** |**BUT11F/11AF**|**BUT11F/11AF**|**BUT11F/11AF**|**BUT11F/11AF**| |---|---|---|---| |**NPN Silicon Transistor**<br>**Absolute Maximum Ratings**TC=25°C unless otherwise noted<br>**High Voltage Power Switching Applications**<br>1<br>1.Base 2.Collector 3.Emitter<br>TO-220F|||| |**Symbol**|**Parameter**|**Value**|**Units**| |VCBO|Collector-Base Voltage<br>: BUT11F<br>: BUT11AF|850<br>1000|V<br>V| |VCEO|Collector-Emitter Voltage<br>: BUT11F<br>: BUT11AF|400<br>450|V<br>V| |VEBO|Emitter-Base Voltage|9|V| |IC|Collector Current (DC)|5|A| |ICP|*Collector Current (Pulse)|10|A| |IB|Base Current (DC)|2|A| |IBP|*Base Current (Pulse)|4|A| |PC|Collector Dissipation (TC=25°C)|40|W| |TJ|Junction Temperature|150|°C| |TSTG|Storage Temperature|- 65 ~ 150|°C| **Electrical Characteristics** TC=25°C unless otherwise noted |**Electrical**|**Characteristics**TC=25°C unless o|**Characteristics**TC=25°C unless o|therwise noted|therwise noted|||||| |---|---|---|---|---|---|---|---|---|---| |**Symbol**|**Parameter**||**Test Condition**||**Min.**||**Typ.**|**Max.**|**Units**| |VCEO(sus)|* Collector-Emitter Sustaining Voltage<br>: BUT11F<br>: BUT11AF||IC= 100mA, IB= 0||400<br>450||||V<br>V| |ICES|Collector Cut-off Current<br>: BUT11F<br>: BUT11AF||VCE= 850V, VBE= 0<br>VCE= 1000V, VBE= 0|||||1<br>1|mA<br>mA| |IEBO|Emitter Cut-off Current||VBE= 9V, IC = 0|||||10|mA| |VCE(sat)|Collector-Emitter Saturation Voltage<br>: BUT11F<br>: BUT11AF||IC= 3A, IB= 0.6A<br>IC = 2.5A, IB= 0.5A|||||1.5<br>1.5|V<br>V| |VBE(sat)|Base-Emitter Saturation Voltage<br>: BUT11F<br>: BUT11AF||IC= 3A, IB= 0.6A<br>IC = 2.5A, IB= 0.5A|||||1.3<br>1.3|V<br>V| |tON|Turn On Time||VCC= 250V, IC= 2.5A<br>IB1= -IB2= 0.5A<br>RL= 100Ω|||||1|µs| |tSTG|Storage Time|||||||4|µs| |tF|Fall Time|||||||0.8|µs| |* Pulsed: pulsed duration = 300µs, duty cycle = 1.5%<br>**Thermal Characteristics** TC=25°C unless otherwise noted|||||||||| |**Symbol**||**Parameter**||**Typ**||**Max**||**Units**|| |RθjC||Thermal Resistance, Junction to Case||||3.125||°C/W|| ©2001 Fairchild Semiconductor Corporation Rev. A2, August 2001 ## **Typical Characteristics** **==> picture [431 x 602] intentionally omitted <==** **----- Start of picture text -----**<br> 1000<br>10<br>VCE = 5V IC = 5 IB<br>100 1<br>10 0.1<br>VCE(sat)<br>0.01<br>1 0.01 0.1 1 10<br>0.01 0.1 1 10<br>IC[A], COLLECTOR CURRENT IC[A], COLLECTOR CURRENT<br>Figure 1. DC current Gain Figure 2. Collector-Emitter Saturation Voltage<br>10 10<br>IC = 5 IB<br>8<br>1 VBE(sat)<br>6<br>4<br>0.1<br>2<br>0.01 BUT11F BUT11AF<br>0.01 0.1 1 10 0<br>0 200 400 600 800 1000 1200<br>IC[A], COLLECTOR CURRENT VCE[V], COLLECTOR-EMITTER VOLTAGE<br>Figure 3. Base-Emitter Saturation Voltage Figure 4. Reverse Biased Safe Operating Area<br>10 80<br>70<br>Ic MAX (Continuous)<br>60<br>1<br>50<br>40<br>30<br>0.1<br>20<br>BUT11AF 10<br>BUT11F<br>0.01 1 10 100 1000 0 0 25 50 75 100 125 150 175<br>VCE[V], COLLECTOR-EMITTER VOLTAGE TC[OC], CASE TEMPERATURE<br>Figure 5. Safe Operating Area Figure 6. Power Derating<br>DC<br>, DC CURRENT GAIN<br>hFE (sat)[V], SATURATION VOLTAGECE<br>V<br>(sat)[V], SATURATION VOLTAGEBE [A], COLLECTOR CURRENTIC<br>V<br>[A], COLLECTOR CURRENTIC [W], POWER DISSIPATIONPC<br>**----- End of picture text -----**<br> Rev. A2, August 2001 ©2001 Fairchild Semiconductor Corporation ## **Package Demensions** ## TO-220F **==> picture [289 x 361] intentionally omitted <==** **----- Start of picture text -----**<br> 10.16 ±0.20 ø3.18 ±0.10 2.54 ±0.20<br>(7.00) (0.70)<br>(1.00x45°)<br>MAX1.47<br>0.80 ±0.10<br>#1<br>0.35 ±0.10 0.50 [+0.10] –0.05 2.76 ±0.20<br>2.54TYP 2.54TYP<br>[2.54 ±0.20] [2.54 ±0.20]<br>9.40 ±0.20<br>(30°<br>)<br>0.10<br>±<br>3.30<br>0.20<br>±<br>6.68<br>0.20<br>±<br>0.20± 15.87<br>15.80<br>0.30<br>±<br>9.75<br>0.20<br>±<br>4.70<br>**----- End of picture text -----**<br> Dimensions in Millimeters ©2001 Fairchild Semiconductor Corporation Rev. A2, August 2001 ## **TRADEMARKS** The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. |ACEx™|FAST®|OPTOPLANAR™|STAR*POWER™| |---|---|---|---| |Bottomless™|FASTr™|PACMAN™|Stealth™| |CoolFET™|FRFET™|POP™|SuperSOT™-3| |_CROSSVOLT_™|GlobalOptoisolator™|Power247™|SuperSOT™-6| |DenseTrench™|GTO™|PowerTrench®|SuperSOT™-8| |DOME™|HiSeC™|QFET™|SyncFET™| |EcoSPARK™|ISOPLANAR™|QS™|TruTranslation™| |E2CMOS™|LittleFET™|QT Optoelectronics™|TinyLogic™| |EnSigna™<br>FACT™|MicroFET™<br>MICROWIRE™|Quiet Series™<br>SLIENT SWITCHER®|UHC™<br>UltraFET®| |FACT Quiet Series™|OPTOLOGIC™|SMART START™|VCX™| |STAR*POWER is used under|license||| ## **DISCLAIMER** FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ## **LIFE SUPPORT POLICY** FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. ## **PRODUCT STATUS DEFINITIONS** ## **Definition of Terms** |**Definition of Terms**||| |---|---|---| |**Datasheet Identification**|**Product Status**|**Definition**| |Advance Information|Formative or In<br>Design|This datasheet contains the design specifications for<br>product development. Specifications may change in<br>any manner without notice.| |Preliminary|First Production|This datasheet contains preliminary data, and<br>supplementary data will be published at a later date.<br>Fairchild Semiconductor reserves the right to make<br>changes at any time without notice in order to improve<br>design.| |No Identification Needed|Full Production|This datasheet contains final specifications. Fairchild<br>Semiconductor reserves the right to make changes at<br>any time without notice in order to improve design.| |Obsolete|Not In Production|This datasheet contains specifications on a product<br>that has been discontinued by Fairchild semiconductor.<br>The datasheet is printed for reference information only.| ©2001 Fairchild Semiconductor Corporation Rev. H3 |||||||||||||||| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| ||||||spSEARCH |<br>Parametric |<br>Cross Reference|||||||||| |Fairchild Semiconductor||||||||||GO||||| |||||||||||||||| ||||||space|||Product||Folders and|||Applica|| |spa<br>find products<br>spa<br>Products groups<br>Analog and Mixed<br>Signal<br>Discrete<br>Interface<br>Logic<br>Microcontrollers||||spa<br>spa<br>Home >><br>Find products >><br>spa<br>spa<br>BUT11F<br>NPN Silicon Transistor<br>Contents<br>Applications|<br>Product<br>status/pricing/packaging |<br>Application notes<br>Datasheet<br>Download this<br>datasheet<br>PDF||||||~~R~~elated Links<br>Request samples<br>Dotted line<br>How to order products<br>Dotted line<br>Product Change Notices<br>(PCNs)||||| |||Non-Volatile<br>Memory||Applications<br>~~e~~-mail this datasheet||||||Dotted line<br>Support<br>Dotted line||||| ||Optoelectronics<br>Markets and<br>applications<br>New products<br>Product selection and<br>parametric search<br>Cross-reference|||**High Voltage Power Switching**<br>back to top<br>[E-<br>This page<br>Print version<br>Product status/pricing/packaging||||||Distributor and field sales<br>representatives<br>Dotted line<br>Quality and reliability<br>Dotted line<br>Design tools||||| ||search|||**Product**<br>**Product status**<br>**Package type**||||**Leads**||**Packing**||**method**||| |technical information||||BUT11FTU<br>Full Production|TO-220F||||3|RAIL||||| |buy||products||||||||||||| |technical support||||back to top||||||||||| |my||Fairchild||Application notes||||||||||| |company||||||||||||||| |||||AN-7511: AN-7511 Insulated-Gate Transistors Simplify AC-Motor Speed||||||||||| |||||Control (493 K) Jul 19, 2002||||||||||| |||||AN-909: AN-909 Simple Interface for 68HC11 to Microwire'Chip||||||||||| |||||Security'EEPROMs (52 K) Jul 19, 2002||||||||||| back to top Home | Find products | Technical information | Buy products | Support | Company | Contact us | Site index | Privacy policy © Copyright 2002 Fairchild Semiconductor |||||||||||| |---|---|---|---|---|---|---|---|---|---|---| ||||spSEARCH |<br>Parametric |<br>Cross Reference|||||||| |Fairchild Semiconductor||||||||GO||| |||||||||||| ||||space||||Product Folders and||Applica|| |spa<br>find products<br>spa<br>Products groups<br>Analog and Mixed<br>Signal<br>Discrete<br>Interface<br>Logic<br>Microcontrollers||spa<br>spa<br>Home >><br>Find products >><br>spa<br>spa<br>BUT11AF<br>NPN Silicon Transistor<br>Contents<br>Applications|<br>Product<br>status/pricing/packaging|Datasheet<br>Download this<br>datasheet<br>PDF|||||~~R~~elated Links<br>Request samples<br>Dotted line<br>How to order products<br>Dotted line<br>Product Change Notices<br>(PCNs)||| |Non-Volatile<br>Memory||Applications|~~e~~-mail this datasheet|||||Dotted line<br>Support<br>Dotted line||| |Optoelectronics<br>Markets and<br>applications<br>New products<br>Product selection and<br>parametric search<br>Cross-reference||**High Voltage Power Switching**<br>back to top<br>Product status/pricing/packaging|[E-<br>This page<br>Print version|||||Distributor and field sales<br>representatives<br>Dotted line<br>Quality and reliability<br>Dotted line<br>Design tools||| |search||**Product**<br>**Product status**|**Pricing***<br>**Package type**|||||**Leads**<br>**Packing method**||| |technical information<br>buy products||BUT11AFTU<br>Full Production<br>* 1,000 piece Budgetary Pricing|$0.62<br>TO-220F|||||3<br>RAIL||| |technical support||back to top||||||||| |my Fairchild||||||||||| |company||||||||||| Home | Find products | Technical information | Buy products | Support | Company | Contact us | Site index | Privacy policy © Copyright 2002 Fairchild Semiconductor
Updated at March 24, 2026
onsemi is a premier global supplier of intelligent power and sensing technologies, driving disruptive innovations across the automotive, industrial, and cloud infrastructure markets. Recognized for their commitment to sustainability and reliable supply chains, the company accelerates advancements in vehicle electrification, industrial automation, and 5G networks by solving the industry's most complex design challenges. At the core of their portfolio is an industry-leading selection of discrete semiconductors. This extensive range features thousands of high-performance bipolar transistors, single and dual MOSFETs, and a comprehensive array of diodes, including Zener, Schottky, and fast-recovery rectifiers. Engineered for superior thermal performance and energy efficiency, these foundational components are critical for demanding power conversion, switching, and signal conditioning applications. Beyond essential discretes, onsemi provides a robust suite of advanced power management and circuit protection solutions. Their lineup includes intelligent power modules, single IGBTs, and transient voltage suppression (TVS) diodes designed to safeguard sensitive circuitry. Complimented by integrated passive filters, AC/DC LED driver ICs, and specialized sub-2.4GHz RF transceivers, onsemi equips engineers with the scalable, high-quality technologies needed to build a cleaner, smarter, and more connected world.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →