

LR12K4-G
Microchip Technology
-40℃~+125℃@(Tj) 1 1.2V~88V 100V 50mA、100mA 60dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
- Category
- Voltage Regulators Linear, Low Drop Out (LDO) Regulators
- Package
- TO-252
- Pins
- 3
Overview
The LR12K4-G is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Microchip Technology in a TO-252 package with 3 pins. -40℃~+125℃@(Tj) 1 1.2V~88V 100V 50mA、100mA 60dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MSLR8N8, from EasyEDA) and its footprint (EasyEDA_Cloud:TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW_A, from EasyEDA), ready for a KiCad board. 39 are in stock at JLCPCB (part C5127750). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
Parameters
9- Features
- Over Current Protection
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+125℃@(Tj)
- Output Configuration
- Positive
- Output Current
- 50mA
- Output Type
- Adjustable
- Output Voltage
- 1.2V~88V
- Power Supply Rejection Ratio (PSRR)
- 60dB@(120Hz)
- Voltage - Supply
- 100V
Order codes
1- LR12K4-GLCSC C5127750
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | VIN | Unspecified |
| 2 | VOUT | Unspecified |
| 3 | ADJ | Unspecified |
Open-source boards using it
All 2- 2 layers28.8 × 9.8 mm

- 2 layers100 × 100 mm

CRT main supply 2
Thinkpad4by3/chibitron
Electrostatic CRT driver designed from the ground up for performance, versatility and ease-of-manufacturability
103 parts6
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Is there a KiCad symbol and footprint for the LR12K4-G?
Yes. The symbol is EasyEDA_Cloud:MSLR8N8 and the footprint EasyEDA_Cloud:TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW_A, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LR12K4-G?
TO-252, with 3 pins. Its footprint is drawn on this page.
Where is the LR12K4-G datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the LR12K4-G?
JLCPCB lists it as part C5127750, with 39 in stock; the sellers' links on this page open their listings.
Which open-source boards use the LR12K4-G?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.