K7812-3AR3 footprint, schematic symbol and 3D model by Mornsun Power

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PCB Footprints

K7812-3AR3 - Mornsun Power PCB footprint - Other - Other - K7812-3AR3-1

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3D Models

K7812-3AR3 - Mornsun Power - 3D model - Other - K7812-3AR3-1

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Datasheet Download Datasheet
Stock & Prices Price & Stock for K7812-3AR3
Part Number K7812-3AR3
Manufacturer Mornsun Power
Pin Count 12
Part Category Power Supply
Package Category Other
Footprint Name Other - K7812-3AR3-1
Released Date Jan 20, 2022
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

K7812-3AR3 Details

Manufacturer Part Number:
K7812-3AR3
Rohs Code:
Yes
Part Life Cycle Code:
Active
Package Description:
MODULE-12
ECCN Code:
EAR99
Manufacturer:
MORNSUN
YTEOL:
7
Analog IC - Other Type:
DC-DC REGULATED POWER SUPPLY MODULE
Approvals:
BS, CE, CS, EN, IEC
Efficiency (Main Output):
97%
Input Voltage-Max:
36 V
Input Voltage-Min:
16 V
Input Voltage-Nom:
24 V
JESD-30 Code:
R-PSMA-T12
Length:
32.15 mm
Line Regulation-Max:
1%
Load Regulation-Max:
1%
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
12
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
3 A
Output Voltage-Max:
12.36 V
Output Voltage-Min:
11.64 V
Output Voltage-Nom:
12 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
SMA
Package Equivalence Code:
MODULE,12LEAD(UNSPEC)
Package Shape:
RECTANGULAR
Package Style:
MICROELECTRONIC ASSEMBLY
Protections:
SHORT CIRCUIT
Ripple Voltage (Main Out):
0.03535 Vrms
Screening Level:
EN 62368-1
Seated Height-Max:
15.35 mm
Surface Mount:
NO
Technology:
HYBRID
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
SINGLE
Total Power Output-Max:
36 W
Trim/Adjustable Output:
YES
Width:
9.05 mm

K7812-3AR3 Frequently Asked Questions (FAQs)

MORNSUN recommends a PCB layout with a large copper area connected to the tab of the device to dissipate heat effectively. A minimum of 1 square inch of copper area is recommended.
Yes, the K7812-3AR3 is designed to withstand vibrations up to 10G peak acceleration, making it suitable for use in high-vibration environments. However, it's recommended to follow proper mounting and soldering procedures to ensure reliability.
To ensure reliability in high-temperature applications, it's recommended to derate the output power of the device according to the temperature derating curve provided in the datasheet. Additionally, ensure good airflow and a low thermal resistance PCB design.
MORNSUN recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for optimal performance. The capacitor should be placed as close to the input pins as possible to minimize noise and ripple.
Yes, the K7812-3AR3 can be used in a redundant or parallel configuration to achieve higher output power or redundancy. However, it's recommended to follow proper design guidelines and ensure that the devices are properly synchronized and matched to avoid oscillations or instability.

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