Datasheets
SI-3121N by:

Fixed Positive LDO Regulator, 12V, 1V Dropout, BIPolar, PSFM3, PLASTIC, FULL PACK-3

Part Details for SI-3121N by Allegro MicroSystems LLC

Overview of SI-3121N by Allegro MicroSystems LLC

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 Space Technology Environmental Monitoring Internet of Things (IoT) Smart Cities Agriculture Technology Virtual Reality (VR), Augmented Reality (AR), and Vision Systems Medical Imaging Consumer Electronics Education and Research Security and Surveillance Aerospace and Defense Healthcare Robotics and Drones

Part Details for SI-3121N

SI-3121N CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

SI-3121N Part Data Attributes:

SI-3121N Allegro MicroSystems LLC
Buy Now Datasheet
Compare Parts:
SI-3121N Allegro MicroSystems LLC Fixed Positive LDO Regulator, 12V, 1V Dropout, BIPolar, PSFM3, PLASTIC, FULL PACK-3
Part Life Cycle Code Obsolete
Ihs Manufacturer ALLEGRO MICROSYSTEMS LLC
Part Package Code SFM
Package Description , SIP5,.1,67TB
Pin Count 3
Reach Compliance Code unknown
ECCN Code EAR99
HTS Code 8542.39.00.01
Adjustability FIXED
Dropout Voltage1-Max 1 V
Dropout Voltage1-Nom 1 V
Input Voltage Absolute-Max 35 V
Input Voltage-Max 30 V
Input Voltage-Min 13 V
JESD-30 Code R-PSFM-T3
Line Regulation-Max 0.064%
Load Regulation-Max 0.24%
Number of Functions 1
Number of Outputs 1
Number of Terminals 3
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C
Output Current1-Max 1.5 A
Output Voltage1-Max 12.48 V
Output Voltage1-Min 11.52 V
Output Voltage1-Nom 12 V
Package Body Material PLASTIC/EPOXY
Package Equivalence Code SIP5,.1,67TB
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface Mount NO
Technology BIPOLAR
Terminal Form THROUGH-HOLE
Terminal Pitch 1.7 mm
Terminal Position SINGLE
Voltage Tolerance-Max 4%

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 SI-3121N by Allegro MicroSystems LLC.
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: SI-3121N by Allegro MicroSystems LLC

  • Please alert me when SI-3121N inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for the following SI-3121N 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 SI-3121N 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 SI-3121N 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 SI-3121N.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare SI-3121N by Allegro MicroSystems LLC

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