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L78L33ACZ The STMicroelectronics L78L33ACZ is a linear voltage regulator providing a fixed 3.3V output. It features through-hole mounting and a TO-92-3 package.
Mfr Part #:

L78L33ACZ

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L78L33ACZ is a linear voltage regulator providing a fixed 3.3V output. It features through-hole mounting and a TO-92-3 package.
✓ Total Stock: 146,011 pcs
$ Price Range: $0.28

L78L33ACZ Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
100,000 pcs
On Request
100000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Fe Components ✓
Non-Authorised Inventory information
43,561 pcs
On Request
43561 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,450 pcs
On Request
2450 pcs On Request 1 On Request On Request 24+ 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.

L78L33ACZ 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
Supplier Package
Voltage
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L78L33ACZ Description

Short technical summary and product information.

The STMicroelectronics L78L33ACZ is a linear voltage regulator designed to provide a stable 3.3V output. It operates with a quiescent current of 5.5mA and is suitable for applications requiring a positive, fixed voltage.

 

This component is packaged in a TO-92-3 (TO-226-3) case, facilitating through-hole mounting on printed circuit boards. Its operating temperature range is from 0°C to 125°C, making it adaptable to various environmental conditions.

 

Key electrical features include protection against over current, over temperature, and short circuits, enhancing its reliability in demanding applications. The device also offers a Power Supply Rejection Ratio (PSRR) of 49dB at 120Hz.

 

With its fixed output and robust protection features, the L78L33ACZ is a reliable choice for power management in a wide array of electronic circuits.

L78L33ACZ Quick Information

Product Type: Linear Voltage Regulator
Series: L78L
Canonical Name: STMicroelectronics L78L33ACZ Linear Voltage Regulator
Subcategory: Linear

L78L33ACZ Compliance

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

L78L33ACZ Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

L78L33ACZ Features

  • Fixed 3.3V positive voltage output.
  • Low 5.5mA quiescent current draw.
  • TO-92-3 package for through-hole mounting.
  • Over current and over temperature protection.
  • Wide operating temperature range.

L78L33ACZ Applications

  • General purpose voltage regulation.
  • Power supply filtering applications.
  • Low power electronic circuits.
  • Consumer electronics power.
  • Industrial control systems.

L78L33ACZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of L78L33ACZ?

3.3V fixed.

What package does L78L33ACZ come in?

TO-226-3, TO-92-3 (TO-226AA) through-hole.

What is the operating temperature range?

0°C to 125°C.

What protection features are included?

Over current, over temperature, short circuit.

What is the quiescent current?

5.5mA.

What is the PSRR at 120Hz?

49dB.

Is the output voltage fixed or adjustable?

Fixed.

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