What are the key specifications?

It supports up to 35V input, 100mA output current, and operates between -20°C and 120°C.

What is the pinout of 78L12U?

Use the 78L12U datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 78L12U pinout to locate pins, power rails, and interface signals before layout.

78L12U Datasheet, Specs, Alternatives & ECAD | CBI

AI summary

The 78L12U is a fixed 12V positive voltage regulator in an SOT-89 package, suitable for low-power applications requiring stable voltage.

Best for

General purpose voltage regulation
Low-power electronics

Avoid if

High current applications exceeding 100mA

Check before use

Thermal management

Key specifications

Output Voltage: 12 V
Max Input Voltage: 35 V
Max Output Current: 100 mA

Compliance & Environment

RoHS: -
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Power

Datasheet

6588288befc2475ca60f5f6bef0fd553_2206161801_CBI-78L12U_C2875179.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 78L12U: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Part	Details	Match
78L12Manufacturer	Expecting ',' delimiter: line 107 column 6 (char 3721)	Has caveats

78L12KManufacturer	Cannot parse JSON object from response: '{\n "blocking_gaps": [],\n "candidate_code": "78L12K",\n "checks": {\n "key_electrical": [\n {\n "candidate"'	Has caveats
LR78L12AManufacturer	Expecting ',' delimiter: line 97 column 6 (char 3841)	Has caveats
TA78L12F(TE12L.F)Manufacturer	Expecting ',' delimiter: line 68 column 6 (char 2752)	Has caveats
L7812CV-HXYManufacturer	Expecting ',' delimiter: line 124 column 6 (char 3714)	Has caveats
LR7812-LManufacturer	Expecting ',' delimiter: line 175 column 6 (char 6460)	Has caveats
LR78M12-KManufacturer	Expecting ',' delimiter: line 179 column 8 (char 6857)	Has caveats
LR78M12DManufacturer	Expecting ',' delimiter: line 184 column 10 (char 6890)	Has caveats

Design and risk insights

Questions & answers

It is a 3-terminal positive voltage regulator that provides a fixed 12V output.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the 78L12U?+×

What are the key specifications?+×

What is the pinout of 78L12U?+×