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LD1117S50CTR The STMicroelectronics LD1117S50CTR is a linear voltage regulator IC providing a fixed 5V output at up to 800mA. It is housed in a SOT-223 package.
Mfr Part #:

LD1117S50CTR

Available from 7 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD1117S50CTR is a linear voltage regulator IC providing a fixed 5V output at up to 800mA. It is housed in a SOT-223 package.
✓ Total Stock: 62,928 pcs
$ Price Range: $0.21

LD1117S50CTR Available from 7 distributors

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Fe Components ✓
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22,500 pcs
On Request
22500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
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20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request 14+ On Request On Request
Risen Electronics ✓
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8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Braun Electronic Components ✓
Non-Authorised Inventory information
4,958 pcs
$0.21 ℹ
Qty Price
0+ 0.21
4958 pcs $0.21
QtyPrice
0+ 0.21
1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
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3,340 pcs
On Request
3340 pcs On Request 1 On Request On Request 15+ On Request On Request
Partservice ✓
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2,500 pcs
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2500 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
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1,630 pcs
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1630 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LD1117S50CTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD1117S50CTR Description

Short technical summary and product information.

The STMicroelectronics LD1117S50CTR is a fixed 5V linear voltage regulator designed for various applications requiring stable power. It can deliver up to 800mA of output current, with a typical voltage dropout of 1.3V at this current.

 

This device features essential protection mechanisms, including over current and over temperature protection, enhancing its reliability in demanding environments. The regulator operates within a temperature range of -40°C to 125°C.

 

Packaged in a surface-mount SOT-223 (TO-261-4, TO-261AA) case, the LD1117S50CTR is suitable for automated assembly processes. Its positive output configuration and fixed voltage make it a straightforward choice for power supply designs.

 

Key electrical characteristics include a PSRR of 75dB at 120Hz, indicating good noise suppression capabilities. The component is designed for single regulator applications.

LD1117S50CTR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics LD1117S50CTR Linear Voltage Regulator
Subcategory: Linear

LD1117S50CTR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LD1117S50CTR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LD1117S50CTR Features

  • Fixed 5V positive output voltage.
  • Up to 800mA output current capability.
  • Low 1.3V dropout voltage at 800mA.
  • Over current and over temperature protection.
  • Surface mount SOT-223 package.

LD1117S50CTR Applications

  • Powering sensitive electronic circuits.
  • Providing stable voltage rails.
  • Use in compact electronic devices.
  • Applications requiring overcurrent protection.

LD1117S50CTR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1117S50CTR?

The LD1117S50CTR provides a fixed output voltage of 5V.

What is the maximum output current of the LD1117S50CTR?

The maximum output current is 800mA.

What is the dropout voltage of the LD1117S50CTR?

The maximum dropout voltage is 1.3V at 800mA output current.

What is the operating temperature range of the LD1117S50CTR?

The operating temperature range is -40°C to 125°C.

What package is the LD1117S50CTR available in?

The LD1117S50CTR is available in a SOT-223 surface-mount package.

What protection features does the LD1117S50CTR include?

The LD1117S50CTR includes over-current and over-temperature protection.

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