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IRF840 PDF Datasheet

The IRF840 is N - CHANNEL 500V - 0.75ohm - 8A - TO-220 PowerMESH] MOSFET.

It is an N-channel MOSFET, which means that it is controlled by a voltage applied to the gate terminal and can switch high current loads on and off.

It has a maximum drain-source voltage rating of 500 volts and a maximum continuous drain current rating of 8 amps.

It has a low on-resistance, which allows for efficient power transfer and low power dissipation.

Advantages of the IRF840

1. High voltage and current ratings
2. Low on-resistance
3. Suitable for high-power switching applications
4. TO-220 package is a common form factor for high-power transistors


1. Relatively slow switching speeds
2. Can introduce noise into the system
3. Proper heatsinking and thermal management are necessary to prevent damage due to excessive heat buildup

It also consolidates and displays results from multiple manufacturers with the same part number and similar functionality.


Searched parts can be used interchangeably as substitutes for one another, But it's important to note that the parameters for each manufacturer may vary slightly.

NO Part No Descripción Manufacturers

IRF840 Rev.F Mar.-2016 DATA SHEET 描述 / Descriptions TO-220 塑封封装 N 沟道 MOS 场效应管。N-CHANNEL MOSFET in a TO-220 Plastic Package. 特征 / Features 低栅电荷,低反馈电容,开关速度快。 Low gate charge, low crss, fast switching. 用途 / Applications 用于高效 D
2IRF840N-Channel Power MOSFET, Transistor
3IRF840N-Channel MOSFET Transistor
Inchange Semiconductor
Inchange Semiconductor
4IRF840Power MOSFET, Transistor

IRF840 Power MOSFET VDSS = 500V, RDS(on) = 0.85 ohm, ID = 8.0 A D G N Channel S Symbol ELECTRICAL CHARACTERISICS at Tj = 25 C Maximum. Unless stated Otherwise Parameter Symbol Test Conditions Drain to Source Breakdown Voltage Drain to Source Leakage Current Gate to Source Leakage Current Gat
Motorola  Inc
Motorola Inc
6IRF840PowerMOS transistor Avalanche energy rated

Philips Semiconductors Product specification PowerMOS transistor Avalanche energy rated FEATURES • Repetitive Avalanche Rated • Fast switching • High thermal cycling performance • Low thermal resistance g IRF840 SYMBOL d QUICK REFERENCE DATA VDSS = 500 V ID = 8.5 A RDS(ON) ≤ 0.85 Ω
NXP Semiconductors
NXP Semiconductors

Displays the Product Image or Pinouts.

IRF840 datasheet

1. 500V, 8A, MOSFET - STMicro

[ Learn More ]

IRF840 datasheet

2. Power MOSFET, TO-220AB - Vishay

[ Learn More ]

View Datasheet

IRF840 Purchase Information

You can purchase the product by clicking the Buy Now link.

IRF840ASPBF - Vishay Intertechnologies

MOSFET, N, 500V, 8A, D2-PAK

Datasheet: IRF840ASPBF.pdf

Stock: 2416

5000 units: 1.86 SGD each
1000 units: 1.89 SGD each
500 units: 1.98 SGD each
100 units: 2.01 SGD each

element14 Asia-Pacific Logo

[ BuyNow ]

IRF840LCPBF-BE3 - Vishay Siliconix


Stock: 997

1000 units: 0.88775 USD each
500 units: 1.18354 USD each
100 units: 1.3987 USD each
10 units: 1.757 USD each

DigiKey Logo

[ BuyNow ]

IRF840BPBF - Vishay Intertechnologies


Datasheet: IRF840BPBF.pdf

Stock: 0

50000 units: 1.01563 USD each
25000 units: 1.04167 USD each
10000 units: 1.06908 USD each
5000 units: 1.09797 USD each

Avnet Asia Logo

[ BuyNow ]

IRF840HPBF - Vishay Intertechnologies

MOSFET Power MOSFET, 850mO 10V

Stock: 1799

1 units: 1.51 USD each
10 units: 1.24 USD each
100 units: 0.966 USD each
500 units: 0.818 USD each

Mouser Electronics Logo

[ BuyNow ]

IRF840ALPBF - Vishay Intertechnologies

Trans MOSFET N-CH 500V 8A 3-Pin(3+Tab) TO-262

Datasheet: IRF840ALPBF.pdf

Stock: 484

5000 units: 1.2295 USD each
2000 units: 1.2419 USD each
1000 units: 1.2545 USD each
500 units: 1.2671 USD each

Arrow Electronics Logo

[ BuyNow ]

IRF840ASPBF - Vishay Intertechnologies

MOSFET N-Channel 500V 8A D2PAK, TU

Datasheet: IRF840ASPBF.pdf

Stock: 995

250 units: 2.004 SGD each
150 units: 2.138 SGD each
50 units: 2.221 SGD each

RS Logo

[ BuyNow ]

IRF840 - General Transistor Corp

MOSFET - N-Channel – Vdss 500V – Id 8A - Drive voltage 10 V – Vgs 4 V - Power dissipation 125 W –TO 220AB - Through hole - 3 pins

Stock: 1778

100 units: 2.08 USD each
50 units: 2.65 USD each
25 units: 5.15 USD each
10 units: 6.67 USD each

Onlinecomponents.com Logo

[ BuyNow ]

IRF840PBF - Vishay Intertechnologies

Trans MOSFET N-CH 500V 8A 3-Pin(3+Tab) TO-220AB

Datasheet: IRF840PBF.pdf

Stock: 8021

10000 units: 0.6226 USD each
5000 units: 0.6288 USD each
2000 units: 0.659 USD each
1000 units: 0.7081 USD each

Verical Logo

[ BuyNow ]

IRF840RU - Harris Semiconductor

7A, 450V, 0.85ohm, N-Channel, POWER MOSFET '

Stock: 150

1000 units: 0.6769 USD each
500 units: 0.7167 USD each
100 units: 0.7485 USD each
25 units: 0.7804 USD each

Rochester Electronics Logo

[ BuyNow ]

IRF840STRLPBF - Vishay Intertechnologies

500V,850m��,8A,N-Channel Power MOSFET

Datasheet: IRF840STRLPBF.pdf

Stock: 64000

1 units: 3.87 USD each
100 units: 1.39 USD each
500 units: 1.01 USD each
1000 units: 0.93 USD each

Wuhan P&S Logo

[ BuyNow ]

IRF840PBF - Vishay Intertechnologies


Datasheet: IRF840PBF.pdf

Stock: 3500

50 units: 0.95 USD each
100 units: 0.9 USD each
250 units: 0.87 USD each
500 units: 0.84 USD each

TTI Logo

[ BuyNow ]

IRF840 - Harris Semiconductor

MOSFET Transistor, N-Channel, TO-220AB

Stock: 90

39 units: 1.5 USD each
12 units: 2 USD each
1 units: 2.5 USD each

Quest Components Logo

[ BuyNow ]

IRF840ALPBF - Vishay Intertechnologies
IRF840ALPBF pinout Image

Transistor: N-MOSFET; unipolar; 500V; 5.1A; Idm: 32A; 125W

Datasheet: IRF840ALPBF.pdf

Stock: 23

250 units: 1.01 USD each
50 units: 1.08 USD each
10 units: 1.2 USD each
3 units: 1.36 USD each

TME Logo

[ BuyNow ]

IRF840 - Major Brands

Transistor IRF840 N Channel 500 Volt 8 Amps

Stock: 52

1 units: 1.39 USD each
10 units: 1.19 USD each
100 units: 0.95 USD each

Jameco Electronics Logo

[ BuyNow ]

IRF840ASPBF - Vishay Siliconix
IRF840ASPBF pinout Image

POWER MOSFET Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET

Datasheet: IRF840ASPBF.pdf

Stock: 400

ComSIT Asia Logo

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