IRF840 datasheet, аналоги, основные параметры
IRF840 - это мощный N-канальный полевой транзистор (MOSFET), созданный специально для схем, где нужно коммутировать очень высокое напряжение.
Основные параметры:
- Сверхвысокое напряжение: Его главная особенность - способность работать с напряжением до 500 вольт между стоком и истоком.
- Ток: Пропускает до 8 ампер непрерывного тока.
- Сопротивление: В открытом состоянии сопротивление канала составляет 0,85 Ома.
- Нагрев: Кристалл внутри выдерживает температуру до 150°C.
- Корпус: Классический TO220 для установки на радиатор.
Это специализированный компонент для высоковольтной части схем. Его основная сфера:
- Мощные сетевые импульсные блоки питания.
- Выходные каскады мощных инверторов и UPS (источников бесперебойного питания).
- Высоковольтные драйверы двигателей и промышленные преобразователи.
Преимущества:
- Напряжение 500В - это его основное конкурентное преимущество перед большинством других популярных MOSFET.
- Достаточно быстрый для эффективной работы в импульсных схемах.
- Надёжный для импульсных и непрерывных режимов работы.
Критически важные моменты при использовании:
- Радиатор - обязателен и должен быть серьёзным. Из-за довольно высокого сопротивления 0,85 Ома даже при токе в несколько ампер выделяется значительная тепловая мощность. Без массивного охлаждения транзистор моментально перегреется.
- Ток 8А - это в идеале. На практике реальный максимальный непрерывный ток при работе с высоким напряжением будет значительно ниже из-за тепловых ограничений. Необходим тщательный тепловой расчёт.
- Качественный драйвер затвора обязателен для быстрого и безопасного переключения на таких напряжениях.
Простыми словами: IRF840 - это «рабочая лошадка» для серьёзных высоковольтных задач, но требующая внимательного отношения к охлаждению.
Наименование производителя: IRF840 📄📄
Тип транзистора: MOSFET
Полярность: N
Предельные значения
Pd ⓘ - Максимальная рассеиваемая мощность: 125 W
|Vds|ⓘ - Максимально допустимое напряжение сток-исток: 500 V
|Vgs|ⓘ - Максимально допустимое напряжение затвор-исток: 20 V
|Id| ⓘ - Максимально допустимый постоянный ток стока: 8 A
Tj ⓘ - Максимальная температура канала: 150 °C
Электрические характеристики
tr ⓘ - Время нарастания: 23 ns
Cossⓘ - Выходная емкость: 310 pf
RDSonⓘ - Сопротивление сток-исток открытого транзистора: 0.85 Ohm
Тип корпуса: TO220AB
📄📄 Копировать
Аналог (замена) для IRF840
- подборⓘ MOSFET транзистора по параметрам
IRF840 даташит
..3. Size:899K international rectifier
irf840pbf.pdf 
PD - 94882 IRF840PbF Lead-Free www.irf.com 1 12/10/03 IRF840PbF 2 www.irf.com IRF840PbF www.irf.com 3 IRF840PbF 4 www.irf.com IRF840PbF www.irf.com 5 IRF840PbF 6 www.irf.com IRF840PbF TO-220AB Package Outline Dimensions are shown in millimeters (inches) 10.54 (.415) - B - 3.78 (.149) 10.29 (.405) 2.87 (.113) 4.69 (.185) 3.54 (.139) 2.62 (.103) 4.20 (.165) - A -
..4. Size:60K philips
irf840 1.pdf 
Philips Semiconductors Product specification PowerMOS transistor IRF840 Avalanche energy rated FEATURES SYMBOL QUICK REFERENCE DATA d Repetitive Avalanche Rated Fast switching VDSS = 500 V High thermal cycling performance Low thermal resistance ID = 8.5 A g RDS(ON) 0.85 s GENERAL DESCRIPTION PINNING SOT78 (TO220AB) N-channel, enhancement mode PIN DESCRIPT
..5. Size:360K st
irf840.pdf 
IRF840 N-CHANNEL 500V - 0.75 - 8ATO-220 PowerMesh II MOSFET TYPE VDSS RDS(on) ID IRF840 500 V
..7. Size:195K vishay
irf840 sihf840.pdf 
IRF840, SiHF840 Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Dynamic dV/dt Rating VDS (V) 500 Available Repetitive Avalanche Rated RDS(on) ( )VGS = 10 V 0.85 RoHS* Fast Switching Qg (Max.) (nC) 63 COMPLIANT Ease of Paralleling Qgs (nC) 9.3 Qgd (nC) 32 Simple Drive Requirements Configuration Single Compliant to RoHS Directive 2002/95/EC D DE
..8. Size:95K ape
irf840.pdf 
IRF840 RoHS-compliant Product Advanced Power N-CHANNEL ENHANCEMENT MODE Electronics Corp. POWER MOSFET Ease of Paralleling D BVDSS 500V Fast Switching Characteristic RDS(ON) 0.85 Simple Drive Requirement ID 8A G S Description G TO-220(P) D APEC MOSFET provide the power designer with the best combination of fast S switching , lower on-resistance and reasonable cost.
..9. Size:771K blue-rocket-elect
irf840.pdf 
IRF840 Rev.H Jul.-2018 DATA SHEET / Descriptions TO-220 N MOS N-CHANNEL MOSFET in a TO-220 Plastic Package. / Features , , Low gate charge, low crss, fast switching. / Applications DC/DC These devices are well suited for high efficiency swi
..10. Size:175K cn minos
irf840.pdf 
IRF840 SiliconN-Channel Power MOSFET Description The IRF840 uses advanced technology and design to provide excellent R . It can be used in a wide variety of applications. DS(ON) General Features V =500V,I =8A DS D Low ON Resistance Low Reverse transfer capacitances 100% Single Pulse avalanche energy Test Application Power switching application Adapter and charger Electrical
..11. Size:141K inchange semiconductor
irf840.pdf 
INCHANGE Semiconductor isc Product Specification isc N-Channel Mosfet Transistor IRF840 FEATURES Drain Current ID=8.0A@ TC=25 Drain Source Voltage- VDSS= 500V(Min) Static Drain-Source On-Resistance RDS(on) = 0.85 (Max) DESCRITION Designed for high voltage, high speed switching power applic- ations such as switching regulators, converters, solenoid an
0.1. Size:458K international rectifier
irf840lcspbf irf840lclpbf.pdf 
PD- 95759 IRF840LCSPbF IRF840LCLPbF Lead-Free 8/24/04 Document Number 91068 www.vishay.com 1 IRF840LCS/LPbF Document Number 91068 www.vishay.com 2 IRF840LCS/LPbF Document Number 91068 www.vishay.com 3 IRF840LCS/LPbF Document Number 91068 www.vishay.com 4 IRF840LCS/LPbF Document Number 91068 www.vishay.com 5 IRF840LCS/LPbF Document Number 91068 www.vishay.com
0.2. Size:173K international rectifier
irf840lcs.pdf 
PD- 93766 IRF840LCS IRF840LCL HEXFET Power MOSFET Ultra Low Gate Charge D Reduced Gate Drive Requirement VDSS = 500V Enhanced 30V VGS Rating Reduced CISS, COSS, CRSS RDS(on) = 0.85 Extremely High Frequency Operation G Repetitive Avalanche Rated ID = 8.0A Description S This new series of low charge HEXFET power MOSFETs achieve significant lower gate charge over con
0.3. Size:986K international rectifier
irf840lcpbf.pdf 
PD - 94883 IRF840LCPbF Lead-Free 12/11/03 Document Number 91067 www.vishay.com 1 IRF840LCPbF Document Number 91067 www.vishay.com 2 IRF840LCPbF Document Number 91067 www.vishay.com 3 IRF840LCPbF Document Number 91067 www.vishay.com 4 IRF840LCPbF Document Number 91067 www.vishay.com 5 IRF840LCPbF Document Number 91067 www.vishay.com 6 IRF840LCPbF Document Nu
0.5. Size:185K international rectifier
irf840apbf.pdf 
PD- 94829 SMPS MOSFET IRF840APbF HEXFET Power MOSFET Applications VDSS Rds(on) max ID l Switch Mode Power Supply ( SMPS ) l Uninterruptable Power Supply 500V 0.85 8.0A l High speed power switching l Lead-Free Benefits l Low Gate Charge Qg results in Simple Drive Requirement l Improved Gate, Avalanche and dynamic dv/dt Ruggedness l Fully Characterized Capacitance and S D A
0.7. Size:673K international rectifier
irf840aspbf irf840alpbf.pdf 
PD- 95143 IRF840ASPbF SMPS MOSFET IRF840ALPbF HEXFET Power MOSFET Applications VDSS RDS(on) max ID Switch Mode Power Supply (SMPS) Uninterruptible Power Supply 500V 0.85 8.0A High Speed Power Switching Lead-Free Benefits Low Gate Charge Qg Results in Simple Drive Requirement Improved Gate, Avalanche and Dynamic dv/dt Ruggedness Fully Characterized Capacitance and D
0.8. Size:666K international rectifier
irf840spbf.pdf 
PD-95136 IRF840SPbF Lead-Free D2Pak 05/10/04 Document Number 91071 www.vishay.com 1 IRF840SPbF Document Number 91071 www.vishay.com 2 IRF840SPbF Document Number 91071 www.vishay.com 3 IRF840SPbF Document Number 91071 www.vishay.com 4 IRF840SPbF Document Number 91071 www.vishay.com 5 IRF840SPbF Document Number 91071 www.vishay.com 6 IRF840SPbF Document Numb
0.9. Size:199K international rectifier
irf840a.pdf 
PD- 94829 SMPS MOSFET IRF840APbF HEXFET Power MOSFET Applications VDSS Rds(on) max ID l Switch Mode Power Supply ( SMPS ) l Uninterruptable Power Supply 500V 0.85 8.0A l High speed power switching l Lead-Free Benefits l Low Gate Charge Qg results in Simple Drive Requirement l Improved Gate, Avalanche and dynamic dv/dt Ruggedness l Fully Characterized Capacitance and S D A
0.10. Size:188K st
irf840-fi irf841-fi.pdf 
IRF840/FI IRF841/FI N - CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTORS TYPE VDSS RDS(on) ID IRF840 500 V
0.11. Size:188K st
irf840f.pdf 
IRF840/FI IRF841/FI N - CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTORS TYPE VDSS RDS(on) ID IRF840 500 V
0.12. Size:99K st
irf840a.pdf 
IRF840/FI IRF841/FI N - CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTORS TYPE VDSS RDS(on) ID IRF840 500 V
0.15. Size:941K samsung
irf840a.pdf 
Advanced Power MOSFET FEATURES BVDSS = 500 V Avalanche Rugged Technology RDS(on) = 0.85 Rugged Gate Oxide Technology Lower Input Capacitance ID = 8 A Improved Gate Charge Extended Safe Operating Area Lower Leakage Current 10 A (Max.) @ VDS = 500V Lower RDS(ON) 0.638 (Typ.) 1 2 3 1.Gate 2. Drain 3. Source Absolute Maximum Ratings Symbol Characteristic Val
0.16. Size:206K vishay
irf840a sihf840a.pdf 
IRF840A, SiHF840A Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Low Gate Charge Qg Results in Simple Drive VDS (V) 500 Requirement Available RDS(on) ( )VGS = 10 V 0.85 Improved Gate, Avalanche and Dynamic dV/dt RoHS* Qg (Max.) (nC) 38 COMPLIANT Ruggedness Qgs (nC) 9.0 Fully Characterized Capacitance and Avalanche Voltage Qgd (nC) 18 and Current Configura
0.17. Size:284K vishay
irf840b.pdf 
IRF840B www.vishay.com Vishay Siliconix D Series Power MOSFET FEATURES PRODUCT SUMMARY Optimal Design VDS (V) at TJ max. 550 - Low Area Specific On-Resistance RDS(on) max. at 25 C ( ) VGS = 10 V 0.85 - Low Input Capacitance (Ciss) Qg (max.) (nC) 30 - Reduced Capacitive Switching Losses Qgs (nC) 4 - High Body Diode Ruggedness Qgd (nC) 7 - Avalanche Energy Rated (UIS) Con
0.18. Size:198K vishay
irf840lc irf840lcpbf sihf840lc.pdf 
IRF840LC, SiHF840LC Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Ultra Low Gate Charge VDS (V) 500 Reduced Gate Drive Requirement Available RDS(on) ( )VGS = 10 V 0.85 Enhanced 30 V VGS Rating RoHS* COMPLIANT Reduced Ciss, Coss, Crss Qg (Max.) (nC) 39 Extremely High Frequency Operation Qgs (nC) 10 Repetitive Avalanche Rated Qgd (nC) 19 Com
0.19. Size:1039K vishay
irf840s sihf840s.pdf 
IRF840S, SiHF840S Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Surface Mount VDS (V) 500 Available in Tape and Reel Available RDS(on) ( )VGS = 10 V 0.85 Dynamic dV/dt Rating RoHS* Qg (Max.) (nC) 63 COMPLIANT Repetitive Avalanche Rated Qgs (nC) 9.3 Fast Switching Qgd (nC) 32 Ease of Paralleling Configuration Single Simple Drive Requireme
0.20. Size:206K vishay
irf840as sihf840as irf840al sihf840al.pdf 
IRF840AS, SiHF840AS, IRF840AL, SiHF840AL Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Halogen-free According to IEC 61249-2-21 VDS (V) 500 Definition RDS(on) ( )VGS = 10 V 0.85 Low Gate Charge Qg Results in Simple Drive Requirement Qg (Max.) (nC) 38 Improved Gate, Avalanche and Dynamic dV/dt Qgs (nC) 9.0 Ruggedness Qgd (nC) 18 Fully Characterized Capa
0.21. Size:196K vishay
irf840lclpbf irf840lcspbf sihf840lcl sihf840lcs.pdf 
IRF840LCS, IRF840LCL, SiHF840LCS, SiHF840LCL Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Halogen-free According to IEC 61249-2-21 Definition VDS (V) 500 Ultra Low Gate Charge RDS(on) ( )VGS = 10 V 0.85 Reduced Gate Drive Requirement Qg (Max.) (nC) 39 Enhanced 30 V VGS Rating Reduced Ciss, Coss, Crss Qgs (nC) 10 Extremely High Frequency Operatio
0.22. Size:199K vishay
irf840alpbf irf840aspbf sihf840al sihf840as.pdf 
IRF840AS, SiHF840AS, IRF840AL, SiHF840AL Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Halogen-free According to IEC 61249-2-21 VDS (V) 500 Definition RDS(on) ( )VGS = 10 V 0.85 Low Gate Charge Qg Results in Simple Drive Requirement Qg (Max.) (nC) 38 Improved Gate, Avalanche and Dynamic dV/dt Qgs (nC) 9.0 Ruggedness Qgd (nC) 18 Fully Characterized Capa
0.23. Size:194K vishay
irf840spbf sihf840s.pdf 
IRF840S, SiHF840S Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Halogen-free According to IEC 61249-2-21 VDS (V) 500 Definition Surface Mount RDS(on) ( )VGS = 10 V 0.85 Available in Tape and Reel Qg (Max.) (nC) 63 Dynamic dV/dt Rating Qgs (nC) 9.3 Repetitive Avalanche Rated Qgd (nC) 32 Fast Switching Ease of Paralleling Configuration Sin
0.24. Size:162K vishay
irf840lpbf sihf840l.pdf 
IRF840L, SiHF840L Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Halogen-free According to IEC 61249-2-21 VDS (V) 500 Definition Dynamic dV/dt Rating RDS(on) ( )VGS = 10 V 0.85 Repetitive Avalanche Rated Qg (Max.) (nC) 63 Fast Switching Qgs (nC) 9.3 Ease of Paralleling Qgd (nC) 32 Simple Drive Requirements Configuration Single Compliant to
0.25. Size:197K vishay
irf840lc sihf840lc.pdf 
IRF840LC, SiHF840LC Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Ultra Low Gate Charge VDS (V) 500 Reduced Gate Drive Requirement Available RDS(on) ( )VGS = 10 V 0.85 Enhanced 30 V VGS Rating RoHS* COMPLIANT Reduced Ciss, Coss, Crss Qg (Max.) (nC) 39 Extremely High Frequency Operation Qgs (nC) 10 Repetitive Avalanche Rated Qgd (nC) 19 Com
0.26. Size:161K vishay
irf840l sihf840l.pdf 
IRF840L, SiHF840L Vishay Siliconix Power MOSFET FEATURES PRODUCT SUMMARY Halogen-free According to IEC 61249-2-21 VDS (V) 500 Definition Dynamic dV/dt Rating RDS(on) ( )VGS = 10 V 0.85 Repetitive Avalanche Rated Qg (Max.) (nC) 63 Fast Switching Qgs (nC) 9.3 Ease of Paralleling Qgd (nC) 32 Simple Drive Requirements Configuration Single Compliant to
0.27. Size:47K hsmc
hirf840.pdf 
Spec. No. MOS200505 HI-SINCERITY Issued Date 2005.06.01 Revised Date 2005.06.08 MICROELECTRONICS CORP. Page No. 1/4 HIRF840 Series Pin Assignment HIRF840 / HIRF840F Tab N-CHANNEL POWER MOSFET 3-Lead Plastic TO-220AB Package Code E Pin 1 Gate Pin 2 & Tab Drain Description Pin 3 Source This N - Channel MOSFETs provide the designer with the best combination of fast swi
0.28. Size:94K ape
irf840s.pdf 
IRF840S RoHS-compliant Product Advanced Power N-CHANNEL ENHANCEMENT MODE Electronics Corp. POWER MOSFET Ease of Paralleling D BVDSS 500V Fast Switching Characteristic RDS(ON) 0.85 Simple Drive Requirement ID 8A G S Description APEC MOSFET provide the power designer with the best combination of fast G switching , lower on-resistance and reasonable cost. D S TO-263(S)
0.29. Size:152K ape
irf840i.pdf 
IRF840I RoHS-compliant Product Advanced Power N-CHANNEL ENHANCEMENT MODE Electronics Corp. POWER MOSFET Ease of Paralleling D BVDSS 500V Fast Switching Characteristic RDS(ON) 0.85 Simple Drive Requirement ID 8A G S Description APEC MOSFET provide the power designer with the best combination G of fast switching , lower on-resistance and reasonable D TO-220CFM(I) S T
0.30. Size:1503K kexin
irf840s.pdf 
SMD Type MOSFET N-Channel MOSFET IRF840S (KRF840S) Features VDS (V) =500V ID =8 A (VGS = 10V) RDS(ON) 0.85 (VGS = 10V) Fast switching Low thermal resistance d g s Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Drain-Source Voltage VDS 500 V Gate-Source Voltage VGS 20 Ta = 25 8 Continuous Drain Current ID Ta = 1
0.31. Size:206K inchange semiconductor
irf840lc.pdf 
INCHANGE Semiconductor isc N-Channel MOSFET Transistor IRF840LC FEATURES With low gate drive requirements Ultra low gate charge Extremely high frequency operation 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Switching applications For DC-DC converter ABSOLUTE MAXIMUM RATINGS(T =25 ) a SY
0.32. Size:193K inchange semiconductor
irf840a.pdf 
isc N-Channel Mosfet Transistor IRF840A FEATURES Drain Source Voltage- V = 500V(Min) DSS Static Drain-Source On-Resistance R = 0.85 (Max) DS(on) Fast Switching Speed Minimum Lot-to-Lot variations for robust device performance and reliable operation DESCRITION Switch mode power supply Uninterruptable power supply High speed power switching ABSOLUTE MAXIMUM
Другие IGBT... IRF830AL, IRF830AS, IRF830FI, IRF830S, IRF831, IRF831FI, IRF832, IRF833, HY1906P, 2SK2209-01R, IRF840A, IRF840AS, IRF840FI, IRF840S, IRF841, IRF841FI, IRF842
