Datasheets
IRF840 by:

8A, 500V, 0.85ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB, TO-220, 3 PIN

Part Details for IRF840 by STMicroelectronics

Overview of IRF840 by STMicroelectronics

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.

Price & Stock for IRF840

Part # Distributor Description Stock Price Buy
Bristol Electronics   100
RFQ
Bristol Electronics   52
RFQ
Bristol Electronics   560
RFQ
Quest Components MOSFET Transistor, N-Channel, TO-220AB 41
  • 1 $5.6400
  • 6 $4.1360
  • 19 $3.7600
$3.7600 / $5.6400 Buy Now

Part Details for IRF840

IRF840 CAD Models

IRF840 Part Data Attributes

IRF840 STMicroelectronics
Buy Now Datasheet
Compare Parts:
IRF840 STMicroelectronics 8A, 500V, 0.85ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB, TO-220, 3 PIN
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code TO-220AB
Package Description TO-220AB, 3 PIN
Pin Count 3
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.29.00.95
Samacsys Manufacturer STMicroelectronics
Additional Feature AVALANCHE RATED
Avalanche Energy Rating (Eas) 520 mJ
Case Connection DRAIN
Configuration SINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min 500 V
Drain Current-Max (ID) 8 A
Drain-source On Resistance-Max 0.85 Ω
FET Technology METAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss) 110 pF
JEDEC-95 Code TO-220AB
JESD-30 Code R-PSFM-T3
JESD-609 Code e3
Number of Elements 1
Number of Terminals 3
Operating Mode ENHANCEMENT MODE
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Polarity/Channel Type N-CHANNEL
Power Dissipation Ambient-Max 125 W
Power Dissipation-Max (Abs) 125 W
Pulsed Drain Current-Max (IDM) 32 A
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Position SINGLE
Transistor Application SWITCHING
Transistor Element Material SILICON
Turn-off Time-Max (toff) 125 ns
Turn-on Time-Max (ton) 93 ns

Alternate Parts for IRF840

This table gives cross-reference parts and alternative options found for IRF840. 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 IRF840, 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 Description Manufacturer Compare
IRF840 TRANSISTOR 8 A, 500 V, 0.85 ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB, ROHS COMPLIANT, TO-220, 3 PIN, FET General Purpose Power Advanced Power Electronics Corp IRF840 vs IRF840
IRF840 8A, 500V, 0.85ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB Motorola Mobility LLC IRF840 vs IRF840
IRF840 Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, TO-220AB, 3 PIN Vishay Intertechnologies IRF840 vs IRF840
IRF840PBF Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, ROHS COMPLIANT PACKAGE-3 Vishay Intertechnologies IRF840 vs IRF840PBF
IRF840 Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, TO-220, 3 PIN TT Electronics Resistors IRF840 vs IRF840
Part Number Description Manufacturer Compare
IRF840 Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, TO-220AB, 3 PIN Vishay Intertechnologies IRF840 vs IRF840
IRF840 Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, TO-220, 3 PIN TT Electronics Resistors IRF840 vs IRF840
IRF840 TRANSISTOR 8 A, 500 V, 0.85 ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB, ROHS COMPLIANT, TO-220, 3 PIN, FET General Purpose Power Advanced Power Electronics Corp IRF840 vs IRF840
IRF840 8A, 500V, 0.85ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB Motorola Mobility LLC IRF840 vs IRF840
IRF840PBF Power Field-Effect Transistor, 8A I(D), 500V, 0.85ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, ROHS COMPLIANT PACKAGE-3 Vishay Intertechnologies IRF840 vs IRF840PBF

IRF840 Related Parts

Share by Email

Something went wrong!
Please enter a valid e-mail address
Email sent!
Recipient Email:
Add a recipient
Hello!

We are passing along some cool findings on Findchips sent to you from .

The data is for IRF840 by STMicroelectronics.
They’ve also added a data comparison to this page with by .


Click on the link below to check it out on Findchips.com.

Update Alert Settings for: IRF840 by STMicroelectronics

  • Please alert me when IRF840 inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for the following IRF840 alternates:
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
  • Please alert me when the single part price for IRF840 to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for the following IRF840 alternates:
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for IRF840.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare IRF840 by STMicroelectronics

Select a part to compare:
Part Number Manufacturer Description
No result found.
Something went wrong!
Or search for a different part: