Datasheets
MRF421 by:

RF Power Bipolar Transistor, 1-Element, Silicon, NPN, CASE 211-11, 4 PIN

Part Details for MRF421 by MACOM

Overview of MRF421 by MACOM

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.

Applications Consumer Electronics Audio and Video Systems

Price & Stock for MRF421

Part # Distributor Description Stock Price Buy
DISTI # 1465-1184-ND
DigiKey TRANS RF NPN 20V 20A 211-11 Min Qty: 40 Lead time: 26 Weeks Container: Tray Temporarily Out of Stock
  • 40 $119.7832
$119.7832 Buy Now
DISTI # 937-MRF421
Mouser Electronics RF Bipolar Transistors Transistor,<30MHz,12.5V100W RoHS: Compliant 2
  • 1 $128.4500
  • 10 $118.9000
  • 20 $114.5700
  • 60 $111.0900
$111.0900 / $128.4500 Buy Now
DISTI # MRF421
Richardson RFPD RF POWER TRANSISTOR RoHS: Compliant Min Qty: 40 0
  • 40 $103.1300
$103.1300 Buy Now

Part Details for MRF421

MRF421 Part Data Attributes

MRF421 MACOM
Buy Now Datasheet
Compare Parts:
MRF421 MACOM RF Power Bipolar Transistor, 1-Element, Silicon, NPN, CASE 211-11, 4 PIN
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer M/A-COM TECHNOLOGY SOLUTIONS INC
Package Description FLANGE MOUNT, O-CRFM-F4
Pin Count 4
Manufacturer Package Code CASE 211-11
Reach Compliance Code compliant
ECCN Code EAR99
Samacsys Manufacturer MACOM
Collector Current-Max (IC) 20 A
Configuration SINGLE
DC Current Gain-Min (hFE) 10
JESD-30 Code O-CRFM-F4
Number of Elements 1
Number of Terminals 4
Operating Temperature-Max 200 °C
Package Body Material CERAMIC, METAL-SEALED COFIRED
Package Shape ROUND
Package Style FLANGE MOUNT
Peak Reflow Temperature (Cel) NOT SPECIFIED
Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 290 W
Qualification Status Not Qualified
Surface Mount NO
Terminal Form FLAT
Terminal Position RADIAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Transistor Application AMPLIFIER
Transistor Element Material SILICON

Alternate Parts for MRF421

This table gives cross-reference parts and alternative options found for MRF421. 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 MRF421, 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
MRF421 TRANSISTOR,BJT,NPN,20V V(BR)CEO,20A I(C),SOT-121VAR TE Connectivity MRF421 vs MRF421
Part Number Description Manufacturer Compare
MRF454 RF Power Bipolar Transistor, High Frequency Band, Silicon, NPN, 0.500 INCH, FM-4 Advanced Semiconductor Inc MRF421 vs MRF454
MRF421 TRANSISTOR,BJT,NPN,20V V(BR)CEO,20A I(C),SOT-121VAR TE Connectivity MRF421 vs MRF421

MRF421 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 MRF421 by MACOM.
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: MRF421 by MACOM

  • Please alert me when MRF421 inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for the following MRF421 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 MRF421 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 MRF421 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 MRF421.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare MRF421 by MACOM

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