What are the key specifications of the 78L05?

It features a 5V fixed output, 100mA output current, 30V maximum input voltage, and includes internal thermal and short-circuit protection.

What is the pinout of 78L05?

Use the 78L05 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 78L05 pinout to locate pins, power rails, and interface signals before layout.

78L05 Datasheet, Specs, Alternatives & ECAD | Jiangsu Guorui Microelectronics Co., Ltd.

AI summary

The 78L05 is a standard 3-terminal positive voltage regulator providing a fixed 5V output at up to 100mA, housed in a TO-92 package.

Best for

General purpose voltage regulation
Low-power circuits

Avoid if

Applications requiring >100mA current
High-voltage input environments exceeding 30V

Check before use

Thermal management
Input/output capacitor placement

Key specifications

Output Voltage: 5V
Max Output Current: 100mA
Max Input Voltage: 30V

Compliance & Environment

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

Application

Power Management

Datasheet

6d202628c968726a541dda820e4db3f1_2309061002_WPMtek-Wei-Pan-Microelectronics-78L05_C16197309.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 78L05: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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3D Model

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Where to Buy

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Alternative components

Part	Details	Match
L78L05ABUTRSTMicroelectronics	ST L78L05ABUTR is a close SOT-89 5V 100mA candidate, pending pinout and Vin checks.	Needs validation

L78M05ABDT-TRSTMicroelectronics	L78M05ABDT-TR is a higher-rated 5V regulator candidate when a DPAK layout is acceptable.	Needs validation
L78M05CDT-TRSTMicroelectronics	L78M05CDT-TR is a stronger 5V regulator candidate for redesigns, not a SOT-89 drop-in.	Needs validation
ME6210A50PGMICRONE	ME6210A50PG may work as a 5V LDO substitute where 18V Vin and lower temperature range are acceptable.	Needs validation
AMS1117-5.0SUMW	AMS1117-5.0S is a 5V high-current option only for lower Vin applications.	Needs validation

Design and risk insights

Questions & answers

The 78L05 is a fixed 5V positive voltage regulator designed for low-current applications up to 100mA.

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

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