Skip to the content
PCBKitNew board
CJ7812F, in 3D

CJ7812F

Jiangsu Changjing Electronics Technology (CJ)

-40℃~+125℃@(Tj) 1 1.5A 12V 27V 2V@(1A) 4.3mA 71dB@(120Hz) 75uV Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-220F-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCcj/CJ7812F
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
TO-220F-3
Pins
3

Overview

The CJ7812F is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Jiangsu Changjing Electronics Technology (CJ) in a TO-220F-3 package with 3 pins. -40℃~+125℃@(Tj) 1 1.5A 12V 27V 2V@(1A) 4.3mA 71dB@(120Hz) 75uV Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-220F-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUT, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_THT:TO-220F-3_Vertical, from KiCad's library), ready for a KiCad board. 3 are in stock at JLCPCB (part C2910327).

Symbol

IN1OUT3GND2
Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUTFrom PCBKit's generic symbols

Footprint

123
Package_TO_SOT_THT:TO-220F-3_VerticalFrom KiCad's library

Parameters

12
Features
Over Current Protection
Noise
75uV
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(Tj)
Output Configuration
Positive
Output Current
1.5A
Output Type
Fixed
Output Voltage
12V
Power Supply Rejection Ratio (PSRR)
71dB@(120Hz)
Voltage - Supply
27V
Voltage Dropout
2V@(1A)
standby current
4.3mA

Order codes

1

Pinout

3
The pins of the CJ7812F
PinNameType
1INPower in
2GNDPower in
3OUTPower out

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/cj/CJ7812F" title="CJ7812F in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/cj/CJ7812F.jpg" alt="CJ7812F" width="1200" height="900">
A picture that opens the part, for a README
[![CJ7812F](https://pcbkit.io/embed/parts/cj/CJ7812F.jpg?size=s)](https://pcbkit.io/parts/cj/CJ7812F)

Questions

Is there a KiCad symbol and footprint for the CJ7812F?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUT and the footprint Package_TO_SOT_THT:TO-220F-3_Vertical, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CJ7812F?

TO-220F-3, with 3 pins. Its footprint is drawn on this page.

Where is the CJ7812F datasheet?

Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.

Where can I order the CJ7812F?

JLCPCB lists it as part C2910327, with 3 in stock; the sellers' links on this page open their listings.

What can replace the CJ7812F?

Parts like it in the library: the L7812CP by STMicroelectronics, the CJ7812 by Jiangsu Changjing Electronics Technology (CJ), the L7812CV(XBLW) by XBLW and the L7812CV-JSM by JSMSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8