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CJ7912

Jiangsu Changjing Electronics Technology (CJ)

0℃~+125℃ 1 1.1V@(1A) 1.5A 12V 27V 2mA 60dB@(120Hz) Fixed Negative TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCcj/CJ7912
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
TO-220
Pins
3

Overview

The CJ7912 is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Jiangsu Changjing Electronics Technology (CJ) in a TO-220 package with 3 pins. 0℃~+125℃ 1 1.1V@(1A) 1.5A 12V 27V 2mA 60dB@(120Hz) Fixed Negative TO-220 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 (EasyEDA_Cloud:TO-220-3_L10.0-W4.5-P2.54-T, from EasyEDA), ready for a KiCad board. 50 are in stock at JLCPCB (part C135944).

Symbol

IN2OUT3GND1
Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUTFrom PCBKit's generic symbols

Footprint

123
EasyEDA_Cloud:TO-220-3_L10.0-W4.5-P2.54-TFrom EasyEDA

Parameters

16
Dropout Voltage
1.7V (40mA)
Maximum Input Voltage
-30V
Maximum Output Current
100mA
Noise
300uV
Number of Outputs
1
Operating Temperature
0℃~+125℃
Output Configuration
Negative
Output Current
1.5A
Output Polarity
Negative
Output Type
Fixed
Output Voltage
12V
Output Voltage (Fixed)
-12V
Power Supply Rejection Ratio (PSRR)
60dB@(120Hz)
Voltage - Supply
27V
Voltage Dropout
1.1V@(1A)
standby current
2mA

Order codes

2

Pinout

3
The pins of the CJ7912
PinNameType
1GNDPower in
2INPower in
3OUTPower out

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Questions

Is there a KiCad symbol and footprint for the CJ7912?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT and the footprint EasyEDA_Cloud:TO-220-3_L10.0-W4.5-P2.54-T, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CJ7912?

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

Where is the CJ7912 datasheet?

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

Where can I order the CJ7912?

JLCPCB lists it as part C135944, with 50 in stock; the sellers' links on this page open their listings.

What can replace the CJ7912?

Parts like it in the library: the L7912ACV by STMicroelectronics, the L7812ACV-DG by STMicroelectronics, the CJ7812 by Jiangsu Changjing Electronics Technology (CJ) and the L7812CV(XBLW) by XBLW. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

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