

CJ79L12
Jiangsu Changjing Electronics Technology (CJ)
0℃~+150℃@(Tj) 1 1.5V@(40mA) 100mA 12V 35V 42dB@(120Hz) 80uV Fixed Negative Over Temperature Protection SOT-89-3L Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
- Category
- Voltage Regulators Linear, Low Drop Out (LDO) Regulators
- Package
- SOT-89-3
- Pins
- 3
Overview
The CJ79L12 is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-89-3 package with 3 pins. 0℃~+150℃@(Tj) 1 1.5V@(40mA) 100mA 12V 35V 42dB@(120Hz) 80uV Fixed Negative Over Temperature Protection SOT-89-3L Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. 13,791 are in stock at JLCPCB (part C8626). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
15- Dropout Voltage
- 1.7V@(40mA)
- Features
- Thermal shutdown
- Maximum Input Voltage
- 35V
- Noise
- 80uV
- Number of Outputs
- 1
- Operating Temperature
- 0℃~+150℃@(Tj)
- Output Configuration
- Negative
- Output Current
- 100mA
- Output Polarity
- Positive
- Output Type
- Fixed
- Output Voltage
- 12V
- Power Supply Rejection Ratio (PSRR)
- 42dB@(120Hz)
- Voltage - Supply
- 27V
- Voltage Dropout
- 1.7V
- standby current
- 6.5mA
Order codes
4- CJ79L12LCSC C24242
- CJ79L12LCSC C46922
- CJ79L12LCSC C8625
- CJ79L12LCSC C8626
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | GND | Power in |
| 2 | IN | Power in |
| 3 | OUT | Power out |
Open-source boards using it
All 1- 2 layers100 × 100 mm

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Is there a KiCad symbol and footprint for the CJ79L12?
Yes. The symbol is Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT and the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CJ79L12?
SOT-89-3, with 3 pins. Its footprint is drawn on this page.
Where is the CJ79L12 datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the CJ79L12?
JLCPCB lists it as part C8626, with 13,791 in stock; the sellers' links on this page open their listings.
What can replace the CJ79L12?
Parts like it in the library: the 78L12 by UMW, the L78L12ABU by STMicroelectronics, the 78L12G-AB3-R by UTC and the HT75C0-1 by Holtek Semicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the CJ79L12?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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