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HLK-20M12 AC/DC 12v 20w Step Down mini Power Supply Module Converter Intelligent household switch power module

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    $2.45

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Download files:

DC to DC power module:

1W: https://drive.google.com/drive/folders/1vk6luTBKSC5gfwLJC-DbyEZYVDwk87JV

2W: https://drive.google.com/drive/folders/1vjf-77LCVQl16Hcb1phADiU3Hz14mhYB

3W: https://drive.google.com/drive/folders/13pTx02uL4moskJ-PQsBYFytdq2pPt2mN

5W: https://drive.google.com/drive/folders/13pTx02uL4moskJ-PQsBYFytdq2pPt2mN

6W: https://drive.google.com/drive/folders/18IOw7PyIx99lbm3u0FEhkepC82w601sw

10W: https://drive.google.com/drive/folders/1vuJp5ZoJA9Ci0M4wCS8nT689LVzgh2tC

12W: https://drive.google.com/drive/folders/1becUdxQODQ25_A_iarNnun3Vmi_wow1g

20W: https://drive.google.com/drive/folders/182aHyvoN8J0fCurg65jOkfQp17dyaXP6

30W: https://drive.google.com/drive/folders/1StP-0SJDyFpH3yQMLLQjkQXMDXc-RGeP

40W: https://drive.google.com/drive/folders/1IXRm7dueYYTNoyXCFp88wRQexmKAgCLm

B0505S-1WR2: https://drive.google.com/file/d/16BPrOWkzOz7efnf3OvF1XjClKGnO6znv/view

AC to DC power module:

40W: https://drive.google.com/drive/folders/1jI-hITgxjtByhSCpUMmrJATHO8b_gpN7

30W(C): https://drive.google.com/drive/folders/1Nz-_SdQAuVha0JM7nJTelIfophZsmUYb

20W: https://drive.google.com/drive/folders/1PlLOzt_k3Ky5THYGOWP72jqxWSkJsU6Z

15W(C): https://drive.google.com/drive/folders/1vnVfcgQH-OvujpO6asvQvjIgmwUS2Pti

10W: https://drive.google.com/drive/folders/1zaMfq4Dm3brmRWhTGp9-49c8hN5HsIuk

5W: https://drive.google.com/drive/folders/1_dzDfHi9HOnj_b0RJHCGZ9j87ma8PU7g

3W: https://drive.google.com/drive/folders/1xz8MPw9KeQXDlyAQoI3KXzjCoL4yBRVP

2W: https://drive.google.com/file/d/1_UaUPWX9K5Bfavle4C1imVY0-WjY4yso/view



Product Features

Wide range input 85-265VAC/70-350VDC

Input and output isolation voltage 3000VAC

No-load power consumption ≤0.1W

Working temperature range:-25℃

Fully enclosed plastic housing, in keeping with UL94V-0 level

High output short circuit and over-current protection and self recovery glue potting, dustproof, moisture-proof, shockproof, flame-retardant

Meet UL/CE/EMC and safety testing requirements

Using high-quality enviromentally friendly waterproof thermal conductive

Can be suing in medical, industrial control, electric power, instrumentation, communication, railway and other fields


Environment Condition

Working Temerature                  -25—+60 ℃

Storage temperature                 -40—+80 ℃

Relative humidity                       5—95 %

Thermal methods                       Natural cooling

Atmospheric pressure                80—106 Kpa

Altitude                                      ≤2000 m

Vibration coefficient                  10~500Hz,2G10min./1cycle, 60min.each along X,Y,Z axes 

                                                   Meets requirements for secondary road transportation


Input Features( test at room temperature)

Rated input voltage                          100-240Vac

Input vlotage range                          85-265VAC/70-350VDC

The maximum input current             ≤0.4A

Input inrush current                         ≤34A

Input low start                                 ≤50mS

External fuse recommended           2A/250Vac or 10Ω wire wound resistance, Slow blow


Output Features

Full-load rated output voltage                       12.0±0.2%

Load regulation                                                     ±0.5%

Switching on/off overshoot amplitude                (Rated input voltage, output plus10% load)≤5%Vo

Output over-current protection Output maximum load             110-130% A

Ripple/Noise                                                ≤70mVp-p(Typ:50)


Input Voltage & Load Characteristics

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Working Environment Temperture & Load Characteristics


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Typical Application Circuit


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Safety Characteristics

Meet UL/CE requirements

(UL/CE certification requires customers to self-certify)

Safe compatible with battery

The input end design adopts UL certification 0.5A insurance

The fire ration of PCB board is 94-V0

Safety standards comply with UL1012,EN60950,UL60950

Insulation resistance I/P-O/P>100M 0hms/500Vdc 25℃ 70%RH

Conforms to radiation EN55011, EN55022(CISPR22)

Electrostatic discharge IEC/EN 61000-4--2 level 4 8KV/15KV


Temperature rise safety design

Under normal conditons, the maximum temperature rise of the inner surface  of the power supply capacitor, 

main converter, etc. does not exceed 90℃,and the maximum temperature rise of the shell surface does not exceed 60℃


Dimension and Weight

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