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L79L12ACZ The STMicroelectronics L79L12ACZ is a negative linear voltage regulator with a fixed -12V output voltage and a maximum output current of 100mA. It is available in a TO-92 package.
Mfr Part #:

L79L12ACZ

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L79L12ACZ is a negative linear voltage regulator with a fixed -12V output voltage and a maximum output current of 100mA. It is available in a TO-92 package.
✓ Total Stock: 8,500 pcs
$ Price Range: $0.28

L79L12ACZ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
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8,500 pcs
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8500 pcs On Request 1 On Request On Request On Request On Request On Request
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L79L12ACZ 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 Current
Output Type
PSRR
Power Dissipation
Protection Features
Supplier Device Package
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L79L12ACZ Description

Short technical summary and product information.

The STMicroelectronics L79L12ACZ is a three-terminal negative voltage regulator designed for a wide range of applications. It features internal current limiting and thermal shutdown, making it highly reliable. This regulator provides a fixed -12V output voltage and can deliver up to 100mA of output current when adequate heat-sinking is provided.

 

Key electrical characteristics include an input voltage range of up to -35V and protection features such as thermal overload and short circuit protection. The device operates within a junction temperature range of 0°C to 125°C for the 'AC' variants.

 

Packaged in a TO-92-3 (TO-226-3) through-hole package, the L79L12ACZ is suitable for local or on-card regulation, helping to eliminate noise and distribution problems. It can also be used with power pass elements for high-current voltage regulation.

 

This series offers an effective output impedance improvement and lower quiescent current compared to traditional Zener diode/resistor combinations. The L79L12ACZ is RoHS3 compliant.

L79L12ACZ Quick Information

Product Type: Voltage Regulator
Series: L79L00
Canonical Name: L79L12ACZ Negative Voltage Regulator
Subcategory: Negative Voltage Regulator

L79L12ACZ Compliance

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

L79L12ACZ Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

L79L12ACZ Features

  • Fixed -12V negative output voltage.
  • Up to 100mA output current.
  • Internal thermal overload protection.
  • Internal short circuit current limiting.
  • TO-92 through-hole package.

L79L12ACZ Applications

  • Local on-card voltage regulation.
  • Eliminates noise and distribution issues.
  • Used with power pass elements.
  • Replacement for Zener diode circuits.

L79L12ACZ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the L79L12ACZ?

-12V fixed output.

What is the maximum output current?

100mA.

What is the package type?

TO-92-3 (through-hole).

What is the operating temperature range?

0°C to 125°C.

What protection features does it have?

Over temperature and short circuit protection.

What is the maximum input voltage for the L79L12ACZ?

-35V for -12V output.

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