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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLE33ABZ
LE33ABZ Image
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LE33ABZ - STMicroelectronics

Manufacturer Part Number
LE33ABZ
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LE33ABZ
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 3.3V 100MA TO92-3
Package
TO-92-3
Data sheet
1.LE33ABZ.pdf ...

Datasheets

LExxAB, LExxC.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 14900

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Specifications

LE33ABZ Tech Specifications
STMicroelectronics - LE33ABZ technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LE33ABZ

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.5V @ 100mA  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Output (Max) -  
Voltage - Input (Max) 18V  
Supplier Device Package TO-92-3  
Series -  
Protection Features Over Current, Over Temperature  
Package / Case TO-226-3, TO-92-3 (TO-226AA)  
Package Bulk  
PSRR 80dB ~ 60dB (120Hz ~ 10kHz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Through Hole  
Current - Supply (Max) 3 mA  
Current - Quiescent (Iq) 1 mA  
Current - Output 100mA  
Control Features -  
Base Product Number LE33  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LE33ABZ

Manufacturer

stmicroelectronics

Introduction

The LE33ABZ is a linear low dropout (LDO) voltage regulator from STMicroelectronics. It provides a fixed 3.3V output voltage from an input voltage of up to 18V. The regulator features over-current and over-temperature protection, making it a reliable and robust power solution for a variety of applications.

Product Features and Performance

Fixed 3.3V output voltage

Input voltage range up to 18V

Output current up to 100mA

Low dropout voltage of 0.5V at 100mA

Low quiescent current of 1mA

Power supply rejection ratio (PSRR) of 80dB at 120Hz, 60dB at 10kHz

Over-current and over-temperature protection

Product Advantages

Reliable and robust power solution

Wide input voltage range

Low dropout voltage for efficient operation

Low quiescent current for low power consumption

Integrated protection features

Key Reasons to Choose This Product

Dependable and efficient power regulation

Suitable for a wide range of applications

Compact and easy to integrate

Cost-effective solution

Quality and Safety Features

Over-current and over-temperature protection

Reliable performance in harsh environments

Compliance with industry standards

Compatibility

The LE33ABZ is a through-hole, TO-92-3 package device that is compatible with a variety of electronic circuits and systems.

Application Areas

Consumer electronics

Industrial control

Automotive electronics

Telecommunications equipment

Product Lifecycle

The LE33ABZ is an obsolete product and has been discontinued by the manufacturer. Customers should contact our website's sales team for information on equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LE33ABZ

Product Attribute LE33ABD-TR LE33ABD LE33CZ LE33CZ-TR
Part Number LE33ABD-TR LE33ABD LE33CZ LE33CZ-TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Voltage - Output (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Protection Features - - - -
Voltage - Output (Min/Fixed) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Regulators - - - -
Control Features - - - -
Current - Supply (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Voltage Dropout (Max) - - - -
PSRR - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Output - - - -
Current - Quiescent (Iq) - - - -
Output Configuration - - - -

LE33ABZ Datasheet PDF

Download LE33ABZ pdf datasheets and STMicroelectronics documentation for LE33ABZ - STMicroelectronics.

Datasheets
LExxAB, LExxC.pdf

Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LE33ABZ Image

LE33ABZ

STMicroelectronics
32D-LE33ABZ

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