Datasheets
MJE521 by:

4A, 40V, NPN, Si, POWER TRANSISTOR, TO-127VAR, 3 PIN

Part Details for MJE521 by TT Electronics Power and Hybrid / Semelab Limited

Overview of MJE521 by TT Electronics Power and Hybrid / Semelab Limited

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.

Part Details for MJE521

MJE521 CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

MJE521 Part Data Attributes:

MJE521 TT Electronics Power and Hybrid / Semelab Limited
Buy Now Datasheet
Compare Parts:
MJE521 TT Electronics Power and Hybrid / Semelab Limited 4A, 40V, NPN, Si, POWER TRANSISTOR, TO-127VAR, 3 PIN
Rohs Code No
Part Life Cycle Code Active
Ihs Manufacturer SEMELAB LTD
Part Package Code SIP
Package Description FLANGE MOUNT, R-PSFM-T3
Pin Count 3
Reach Compliance Code unknown
ECCN Code EAR99
Collector Current-Max (IC) 4 A
Collector-Emitter Voltage-Max 40 V
DC Current Gain-Min (hFE) 40
JESD-30 Code R-PSFM-T3
JESD-609 Code e0
Number of Elements 1
Number of Terminals 3
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Polarity/Channel Type NPN
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form THROUGH-HOLE
Terminal Position SINGLE
Transistor Element Material SILICON

Alternate Parts for MJE521

This table gives cross-reference parts and alternative options found for MJE521. 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 MJE521, 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
MJE521 4A, 40V, NPN, Si, POWER TRANSISTOR, TO-225AA Motorola Mobility LLC MJE521 vs MJE521
MJE521G 4A, 40V, NPN, Si, POWER TRANSISTOR, TO-225AA, LEAD FREE, PLASTIC, CASE 77-09, TO-225, 3 PIN Rochester Electronics LLC MJE521 vs MJE521G
MJE521 Power Bipolar Transistor, 4A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin, TO-127VAR, 3 PIN TT Electronics Resistors MJE521 vs MJE521
MJE521 Power Bipolar Transistor, 4A I(C), 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin, TO-126, 3 PIN Advanced Semiconductor Inc MJE521 vs MJE521
MJE521 Power Bipolar Transistor, 4A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin, Central Semiconductor Corp MJE521 vs MJE521
MJE521G Power 4A 40V NPN Silicon, TO-225, 500-BLKBX onsemi MJE521 vs MJE521G
MJE521 TRANSISTOR NPN, Si, POWER TRANSISTOR, TO-220AB, TO-220, 3 PIN, BIP General Purpose Power National Semiconductor Corporation MJE521 vs MJE521
MJE521 4A, 40V, NPN, Si, POWER TRANSISTOR, TO-225AA, PLASTIC, CASE 77-09, TO-225, 3 PIN Rochester Electronics LLC MJE521 vs MJE521
MJE521 NPN, Si, POWER TRANSISTOR, TO-220AB, TO-220, 3 PIN Texas Instruments MJE521 vs MJE521
MJE521 4A, 40V, NPN, Si, POWER TRANSISTOR, TO-126 STMicroelectronics MJE521 vs MJE521
Part Number Description Manufacturer Compare
MJE521G Power 4A 40V NPN Silicon, TO-225, 500-BLKBX onsemi MJE521 vs MJE521G
MJE521 Power Bipolar Transistor, 4A I(C), 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin, TO-126, 3 PIN Advanced Semiconductor Inc MJE521 vs MJE521
MJE521 4A, 40V, NPN, Si, POWER TRANSISTOR, TO-126 STMicroelectronics MJE521 vs MJE521
MJE521 TRANSISTOR NPN, Si, POWER TRANSISTOR, TO-220AB, TO-220, 3 PIN, BIP General Purpose Power National Semiconductor Corporation MJE521 vs MJE521
MJE521 NPN, Si, POWER TRANSISTOR, TO-220AB, TO-220, 3 PIN Texas Instruments MJE521 vs MJE521
MJE521 Power Bipolar Transistor, 4A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin, Central Semiconductor Corp MJE521 vs MJE521
MJE521 Power Bipolar Transistor, 4A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin, TO-127VAR, 3 PIN TT Electronics Resistors MJE521 vs MJE521

MJE521 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 MJE521 by TT Electronics Power and Hybrid / Semelab Limited.
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: MJE521 by TT Electronics Power and Hybrid / Semelab Limited

  • Please alert me when MJE521 inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for the following MJE521 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 MJE521 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 MJE521 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 MJE521.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare MJE521 by TT Electronics Power and Hybrid / Semelab Limited

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