We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information.

Register or Sign In
Power Circuits / Linear Regulator ICs / LD2981CU50TR
Datasheets
LD2981CU50TR by: STMicroelectronics

Ultra low drop voltage regulators with inhibit low ESR output

Part Details for LD2981CU50TR by STMicroelectronics

Overview of LD2981CU50TR 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.

Applications Consumer Electronics Security and Surveillance Audio and Video Systems Transportation and Logistics Energy and Power Systems Renewable Energy Automotive Robotics and Drones

Price & Stock for LD2981CU50TR

Part # Distributor Description Stock Price Buy
DISTI # 51AC9076
Newark Ldo, Fixed, 5V, 0.1A, -40 To 125Deg C, Output Type:Fixed, Input Voltage Min:2.5V, Input Voltage Max:16V, No. Of Outputs:1Outputs, Output Voltage Min:-, Output Voltage Max:-, Polarity:Positive Output, Ic Mounting:Surface Mount Rohs Compliant: Yes |Stmicroelectronics LD2981CU50TR RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape 3719
  • 1 $0.8200
  • 10 $0.7180
  • 25 $0.6620
  • 50 $0.6060
  • 100 $0.5500
  • 250 $0.4930
  • 500 $0.4350
  • 1,000 $0.3480
$0.3480 / $0.8200 Buy Now
DISTI # 96AC0461
Newark Power Management Rohs Compliant: Yes |Stmicroelectronics LD2981CU50TR RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 1 $0.3030
$0.3030 Buy Now
DISTI # 497-3484-1-ND
DigiKey IC REG LINEAR 5V 100MA SOT89-3 Min Qty: 1 Lead time: 12 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 19098
In Stock
  • 1 $0.9100
  • 10 $0.8010
  • 25 $0.7528
  • 100 $0.6143
  • 250 $0.5706
  • 500 $0.4856
  • 1,000 $0.3885
  • 2,500 $0.3520
  • 5,000 $0.3278
  • 12,500 $0.3156
  • 25,000 $0.3035
$0.3035 / $0.9100 Buy Now
DISTI # LD2981CU50TR
Avnet Americas LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R - Tape and Reel (Alt: LD2981CU50TR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks, 0 Days Container: Reel 25000
  • 2,500 $0.2553
  • 5,000 $0.2514
  • 10,000 $0.2475
  • 15,000 $0.2435
  • 20,000 $0.2406
  • 25,000 $0.2386
  • 250,000 $0.2367
$0.2367 / $0.2553 Buy Now
DISTI # 51AC9076
Avnet Americas LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R - Product that comes on tape, but is not reeled (Alt: 51AC9076) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 16 Weeks, 3 Days Container: Ammo Pack 1054 Partner Stock
  • 1 $0.8200
  • 10 $0.7180
  • 25 $0.6620
  • 50 $0.6060
  • 100 $0.5500
$0.5500 / $0.8200 Buy Now
DISTI # 511-LD2981CU50
Mouser Electronics LDO Voltage Regulators 5.0V 100mA Positive RoHS: Compliant 12052
  • 1 $0.8000
  • 10 $0.6670
  • 100 $0.4920
  • 500 $0.4780
  • 1,000 $0.3820
  • 2,500 $0.3250
  • 5,000 $0.3090
  • 10,000 $0.2990
  • 25,000 $0.2650
$0.2650 / $0.8000 Buy Now
DISTI # E02:0323_00210370
Arrow Electronics LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Europe - 5000
  • 2,500 $0.2501
  • 5,000 $0.2477
  • 12,500 $0.2452
  • 25,000 $0.2427
$0.2427 / $0.2501 Buy Now
DISTI # V72:2272_06552853
Arrow Electronics LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Date Code: 2302 Container: Cut Strips Americas - 170
  • 1 $0.4393
  • 10 $0.4080
  • 25 $0.4043
  • 100 $0.2519
$0.2519 / $0.4393 Buy Now
STMicroelectronics Ultra low drop voltage regulators with inhibit low ESR output RoHS: Compliant Min Qty: 1 12052
  • 1 $0.7800
  • 10 $0.6500
  • 100 $0.4800
  • 500 $0.4700
$0.4700 / $0.7800 Buy Now
Future Electronics LD2981 Series 100 mA 5 V Fixed Output LDO Regulator with Inhibit - SOT-89 RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Container: Reel 2500
Reel
  • 2,500 $0.2750
  • 5,000 $0.2700
  • 7,500 $0.2650
$0.2650 / $0.2750 Buy Now
Future Electronics LD2981 Series 100 mA 5 V Fixed Output LDO Regulator with Inhibit - SOT-89 RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Lead time: 12 Weeks Container: Reel 2500
Reel
  • 2,500 $0.2600
  • 7,500 $0.2500
  • 10,000 $0.2500
  • 25,000 $0.2450
  • 37,500 $0.2400
$0.2400 / $0.2600 Buy Now
Future Electronics LD2981 Series 100 mA 5 V Fixed Output LDO Regulator with Inhibit - SOT-89 RoHS: Compliant pbFree: Yes Min Qty: 5000 Package Multiple: 2500 Lead time: 12 Weeks Container: Reel 0
Reel
  • 2,500 $0.2750
  • 5,000 $0.2700
  • 7,500 $0.2650
$0.2650 / $0.2750 Buy Now
DISTI # 19081760
Verical LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Americas - 5000
  • 2,500 $0.2491
  • 5,000 $0.2467
  • 12,500 $0.2443
  • 25,000 $0.2418
$0.2418 / $0.2491 Buy Now
DISTI # 66418420
Verical LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R RoHS: Compliant Min Qty: 24 Package Multiple: 1 Date Code: 2302 Americas - 170
  • 24 $0.4043
  • 100 $0.2519
$0.2519 / $0.4043 Buy Now
DISTI # LD2981CU50TR
TME IC: voltage regulator, LDO,linear,fixed, 5V, 0.1A, SOT89, SMD, Ch: 1 Min Qty: 1 0
  • 1 $0.4930
  • 10 $0.4410
  • 100 $0.3550
  • 250 $0.3260
  • 500 $0.3070
  • 1,000 $0.2900
  • 2,500 $0.2700
  • 5,000 $0.2580
  • 25,000 $0.2360
$0.2360 / $0.4930 RFQ
DISTI # LD2981CU50TR
Avnet Silica LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R (Alt: LD2981CU50TR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 13 Weeks, 0 Days Silica - 237500
Buy Now
DISTI # LD2981CU50TR
EBV Elektronik LDO Regulator Pos 5V 0.1A 4-Pin(3+Tab) SOT-89 T/R (Alt: LD2981CU50TR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 13 Weeks, 0 Days EBV - 12500
Buy Now

Part Details for LD2981CU50TR

LD2981CU50TR CAD Models

  • Part Symbol

    Part Symbol

  • Footprint

    footprint

  • 3D Model

    3D Model

Available Download Formats

Sign in to download CAD models Register or Sign In

By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy

LD2981CU50TR Part Data Attributes

Parametric Data
LD2981CU50TR STMicroelectronics
Buy Now Datasheet
Compare Parts:
LD2981CU50TR STMicroelectronics Ultra low drop voltage regulators with inhibit low ESR output
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOT-89
Package Description SOT-89, 3 PIN
Pin Count 3
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 16 Weeks, 3 Days
Samacsys Manufacturer STMicroelectronics
Adjustability FIXED
Dropout Voltage1-Max 0.375 V
Dropout Voltage1-Nom 0.18 V
Input Voltage Absolute-Max 16 V
Input Voltage-Max 16 V
Input Voltage-Min 6 V
JESD-30 Code R-PSSO-F3
JESD-609 Code e3
Length 4.5 mm
Line Regulation-Max 0.016%
Moisture Sensitivity Level 1
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 0.1 A
Output Voltage1-Max 5.175 V
Output Voltage1-Min 4.825 V
Output Voltage1-Nom 5 V
Package Body Material PLASTIC/EPOXY
Package Code LSOF
Package Equivalence Code TO-243
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, LOW PROFILE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1.6 mm
Surface Mount YES
Terminal Finish Matte Tin (Sn)
Terminal Form FLAT
Terminal Pitch 1.57 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 3.5%
Width 2.445 mm

Alternate Parts for LD2981CU50TR

This table gives cross-reference parts and alternative options found for LD2981CU50TR. 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 LD2981CU50TR, 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
NJU7221U50 Fixed Positive LDO Regulator, 5V, 0.6V Dropout, CMOS, PSSO3, SOT-89, 3 PIN New Japan Radio Co Ltd LD2981CU50TR vs NJU7221U50
LD2980CU50TR 5V FIXED POSITIVE LDO REGULATOR, 0.225V DROPOUT, PSSO3, LEAD FREE, SOT-89, 3 PIN STMicroelectronics LD2981CU50TR vs LD2980CU50TR

LD2981CU50TR 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 LD2981CU50TR 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: LD2981CU50TR by STMicroelectronics

Select Manufacturer
Which Manufacturer of LD2981CU50TR would you like to use for your alert(s)?
Inventory Alert
  • Please alert me when LD2981CU50TR inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for LD2981CU50TR 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
Pricing Alert
  • Please alert me when the single part price for LD2981CU50TR 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 LD2981CU50TR 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 LD2981CU50TR.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare LD2981CU50TR by STMicroelectronics

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