Products Your Position:Home > DC-DC Converter > Width regulated(non-isolation) single output( current 500mA、1000mA Max) > H78SXX-0.5(1.0) SERIES > Hot Seller H78SXX-0.5(1.0) Non Isolation 3pin/5pin DC-DC Electric Switch/Power Supplies

Hot Sale H78 Non-Isolation Converter

Hot Seller H78SXX-0.5(1.0) Non Isolation 3pin/5pin DC-DC Electric Switch/Power Supplies

H78SXX-0.5(1.0) SERIES Non Isolation 

Size: 11.60*10.00*7.55mm 11.50*8.90*17.50mm 

Input Voltage:4.75-32 V DC 

Output Voltage: 3.3V-12 DC

Output Type: Single



Operation Temp.: -25°C~+85°C

Case: High Flame Retardant Plastic and Metal Shell,Good anti-interference function, electromagnetic compatibility, lightning protection, 

over-current protection, over-circuit protection, over-heat protection, self-recovery function.

  • Product Details

DC-DC Wide Input 1.0) Non Isolation Single Output SERIES


Output characteristics:

Output characteristic:

Output voltage accuracy:100% load efficiency, input voltage range ±2%~±3%

Linearity control :input voltage ±0.2%~±0.4%

Load regulation: from 10% to 100% , ±0.4%~±0.6%

Ripple/noise : (20MHz with width): 20MHz 25-35mVp-p

Short circuit: Sustainable, self resumption 

Over hot:150℃

Switch frequency : 100% load efficiency, input range 280KHz 330KHz 450KHz

Output current limit:2000mA

Quiescent current: positive input 5 mA ~8 mA

Temperature parameter:-40℃~+85℃ 0.02℃


Ripple and noise test adopts parallel method

General characteristic:

Operating temperature:-40~+85℃

Shell operating temperature:100℃

Storage temperature:-40℃~+125℃

Welding Pin temperature resistance: welding shot shell edge 1.5mm,10s 300℃

Cooling method: natural cooling

Shell material: Flame retardant heat resistant plastic (UL94-V0)

Storage humidity:95%

MTBF: 200000 h

H78SXX-0.5(1.0)  SERIES product type and pin diagram:


9VDC-150VDC(9VDC-18VDC,18VDC-36VDC,36VDC-72VDC,70VDC-150VDC) input

voltage transfer the any output voltage value with the accuracy ±1%、±2%.


Series Models:


Application Fields:

Industrial control, long distance DC power supply system,switching system, A/C and D/A, Railway communication, 

communication interface converter,cell phone,semiconductor laser,display screen/LCD,monitoring equipment,

petrochemical engineering,portable instrument,medical instrument,automatic control installation ,Burglary Alarm Kit,

hand-held instrument,digital circuits,IC card energy meter,air conditioning computer control,etc.


Quality Policy:

Seeking survival on quality, building reputation on service, increasing efficiency on

management and making greater achievements on innovation.

Company Products:

DC-DC power converter(range of power:0.1-300W)

AC-DC power converter( range of power:0.1-80W)

LED drive power supply and related specific field special or OEM products

After-sales service:

From the date of purchase, if occurrence quality problem within two years, can be replace, Products' management 

and produce strict do as ISO9001:2008 standard.

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