Overview
The IRF840STRLPBF is a widely used N-channel power MOSFET manufactured by Infineon Technologies. It is designed for high-efficiency power switching applications, offering a balance of performance and reliability. This component is part of the STRLPBF series, known for its rugged construction and suitability for industrial environments. With a drain-source voltage (VDS) rating of 500V and a continuous drain current (ID) of 8A, the IRF840STRLPBF is ideal for medium-power applications. Its TO-220AB package ensures easy mounting and efficient heat dissipation, making it a preferred choice for engineers and designers.
Structure and Working Principle
The IRF840STRLPBF operates as a voltage-controlled switch, where the gate voltage controls the flow of current between the drain and source terminals. Its structure includes a silicon die with a metal-oxide-semiconductor (MOS) gate, optimized for low on-resistance (RDS(on)) and fast switching characteristics. When a sufficient gate voltage is applied, the MOSFET turns on, allowing current to flow with minimal resistance. This makes it highly efficient for power conversion and switching applications. The device also features an intrinsic body diode, which provides protection against reverse voltage spikes.
Key Features
One of the standout features of the IRF840STRLPBF is its low on-resistance (typically 0.85Ω), which minimizes power losses and improves efficiency. This is particularly important in high-frequency switching applications where energy savings are critical. Another key feature is its high switching speed, enabling rapid transitions between on and off states. This reduces switching losses and enhances performance in motor control and inverter circuits. The MOSFET's rugged design ensures durability under harsh operating conditions, including high temperatures and voltage spikes.
Application Areas
The IRF840STRLPBF is commonly used in power supply units, where it serves as a switching element in DC-DC converters and AC-DC rectifiers. Its ability to handle high voltages and currents makes it suitable for industrial power systems. In motor control applications, this MOSFET is employed in H-bridge configurations to drive brushed and brushless DC motors. It is also found in inverter circuits for renewable energy systems, such as solar inverters, where efficient power conversion is essential.
Maintenance and Precautions
To ensure longevity and reliable performance, the IRF840STRLPBF should be operated within its specified voltage and current limits. Proper heat sinking is crucial, as excessive temperatures can degrade the device's performance and lifespan. Electrostatic discharge (ESD) precautions must be observed during handling and installation. Using anti-static wrist straps and working on grounded surfaces can prevent damage to the MOSFET's sensitive gate oxide layer. Additionally, avoiding excessive gate-source voltages is essential to prevent gate breakdown.
B2B Procurement Guide
When procuring the IRF840STRLPBF, buyers should verify the supplier's authenticity to avoid counterfeit components. Reputable distributors and authorized resellers are recommended to ensure product quality and reliability. Bulk purchases often attract discounts, but it's advisable to test a small batch first to confirm compatibility with the intended application. Lead times can vary, so planning ahead is essential for projects with tight deadlines. Comparing prices from multiple suppliers can help secure the best deal without compromising on quality.
Related Manufacturers
- 主营：wmsod-323、wcsod-123、a6sod-123、sesod-123、wxsod-123、wdsod-323、x4sod-123、6hsod-123、6csod-123、4zsod-123、mmbd4148t、mmbd4148a、3esod-323、蜡烛灯、wgsod-123、5psod-123、y2sod-323、稳压管、wnsod-123、d6sod-123、sksod-123、mmsz5244b、c0sod-323、5nsod-123、4fsod-123
- 主营：电源管理 IC、存储IC、单片机、控制器、驱动IC、传感器、稳压器、滤波器、电感、电容器、电阻器、二极管、三极管、晶闸管、连接器、场效应管、继电器
- 主营：sfh615abm、std3n40k3、ad2s83apz、irf720pbf、irf740pbf、irf840pbf、irf530pbf、irf640pbf、irf510pbf、stp4nk60z、stp20nm60、sn75176bp、stbv42-ap、bq32000dr、lm5106mmx、rpi-0352e、lsm6dsltr、m41t56m6e、存储器、烧录器、lm239dr2g、pdtc114ye、cxdm4060p、mjd3055t4、stf7nm60n
- 主营：mic3172bm、vsc8211vw、mb90f497g、max660epa、smp220sri、tb9102fng、uda1352hl、max634esa、upc2757tb、tea1721ft、m51958bfp、lt6015is5、ad7534knz、acpl-k44t、w681360sg、ps7802-1a、lt1469is8、tda5030at、os8104aaq、max998esa、ad9050brs、acpl-p456、tmc222-si、upd8861cy、opa2350ea
- 主营：集成电路IC、单片机、驱动器IC、电源IC、光耦、肖特基、线性稳压器、芯片IC、传感器、模块、电阻、电容、二极管、三极管、电感
- 主营：集成电路IC、电子元器件、运算放大器、场效应管、二极管、可控硅/晶闸管、电源管理芯片、SILICON LA、ON、TI、Renesas、SKYWORKS、ROHM、3PEAK、VISHAY、INFINEON、VINCOTECH、MELEXIS、JST、TE、LITTELFUSE、ST
- 主营：ad8619arz、锂电池、放大器、定时器、片电容、lm317mdtx、逆变器、稳压器、调制器、ldo稳压、丝印aaz、控制器、dmn601k-7、无线电、led驱动、万代aos、充电器、低功耗、三极管、收发器、处理器、计时器、存储器、隔离器、ao4619aos
- 主营：芯海、ST、ON
- 主营：pmbt2222a、lm3103mhx、lmv612max、irf740pbf、irf840pbf、lmv321m5x、lm324dr2g、74hc4017d、ad7741brz、hef4093bt、74hc244pw、svf10n65f、fds4435bz、ad8534arz、svf10n65t、ad8223brz、op2177arz、pca9517dp、esda6v1w5、tle2141cp、bq32000dr、74hc123pw、hef4050bt、dfls140-7、sn74hc14n
- 主营：zus102412、zus102415、chs604812、tuns50f24、suw61215b、mgs302415、tuhs25f24、mgs301205、tuhs10f05、zus102405、pla15f-12、zus101212、tuhs25f05、pla15f-24、继电器、dbs700b28、lda10f-12、aqy212gsx、mgs154815、dhs250b48、mgs151212、mgfs34805、mgs152412、dbs150a12、mgw151212
- 主营：ade-35mh+、晶闸管、开关器、原装封、ab0805-t3、晶振器、aonr21307、aons62604、监视器、聚合物、ltm4643ev、微控制、加速计、放大器、定时器、传感器、nce8295ad、电子管、fdc021n30、ltm4612ev、lmh0024ma、电脑板、ltm8027iv、mpr121qr2、max489epd
- 主营：杰理JL 原厂原装方案定制开发、德州TI 原装正品
- 主营：ST、ADI、恩智浦、ELMOS、xilinx
- 主营：晶闸管、lm3017lex、开关器、drv8800pw、lmv793max、lmv716mmx、lm5107max、lm5008amm、ds21348t+、lm5085mmx、监视器、lmh0041sq、lm5046mhx、lm3410xmf、lp55281tl、放大器、lm3421mhx、pa0593nlt、aw9330qnr、lm3464mhx、lp4062b5f、传感器、电子管、ds12c887+、ad1886jst
- 主营：集成电路、三极管、二极管、电源IC、逻辑IC、接口IC、电容电阻、CPU、GPU、开关、继电器