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LDK120M30R The STMicroelectronics LDK120M30R is a fixed 3V linear voltage regulator capable of supplying up to 200mA. It features a low quiescent current and is supplied in a compact SOT-23-5 package.
Mfr Part #:

LDK120M30R

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK120M30R is a fixed 3V linear voltage regulator capable of supplying up to 200mA. It features a low quiescent current and is supplied in a compact SOT-23-5 package.
✓ Total Stock: 25,705 pcs
$ Price Range: $0.28

LDK120M30R Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Smaxon Electronics ✓
Non-Authorised Inventory information
2,705 pcs
On Request
2705 pcs On Request 1 On Request On Request 17+ 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.

LDK120M30R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDK120M30R Description

Short technical summary and product information.

The STMicroelectronics LDK120M30R is a positive, fixed output linear voltage regulator designed for various power management applications. It provides a stable 3V output voltage with a maximum output current of 200mA. The device operates with a low quiescent current of 60 µA, making it suitable for power-sensitive designs.

 

Key electrical characteristics include a maximum input voltage of 5.5V and a low dropout voltage of 0.3V at 200mA. It also offers protection features such as over current and over temperature protection. The regulator has a Power Supply Rejection Ratio (PSRR) of 55dB at frequencies between 120Hz and 10kHz.

 

This component is housed in a SOT-23-5 surface mount package, facilitating easy integration into printed circuit boards. It is designed to operate within an ambient temperature range of -40°C to 125°C, ensuring reliability in diverse environmental conditions. The LDK120M30R is suitable for applications requiring a stable, regulated voltage supply.

LDK120M30R Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LDK120M30R Linear Voltage Regulator
Subcategory: Linear

LDK120M30R Compliance

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

LDK120M30R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK120M30R Features

  • Fixed 3V positive output voltage.
  • Maximum output current of 200mA.
  • Low 60 µA quiescent current.
  • SOT-23-5 surface mount package.
  • Wide operating temperature range.

LDK120M30R Applications

  • Provides stable voltage for sensitive circuits.
  • Suitable for battery-powered devices.
  • Used in portable electronic equipment.
  • Ideal for low-power applications.

LDK120M30R FAQs

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

3V fixed output.

What is the maximum input voltage?

5.5V.

What is the maximum output current?

200mA.

What is the dropout voltage?

0.3V maximum at 200mA load.

What is the operating temperature range?

-40°C to 125°C.

What protection features does it have?

Over current and over temperature protection.

What package is it available in?

SOT-23-5 (SC-74A).

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