---
product_id: 171294837
title: "Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA)"
brand: "smerod"
price: "₪93"
currency: ILS
in_stock: true
category: "Home Garden"
url: https://www.desertcart.co.il/products/171294837-electronic-accessories-9v400ma-5w-constant-voltage-switch-power-supply-board
store_origin: IL
region: Israel
---

# Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA)

**Brand:** smerod
**Price:** ₪93
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA) by smerod
- **How much does it cost?** ₪93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/171294837-electronic-accessories-9v400ma-5w-constant-voltage-switch-power-supply-board)

## Best For

- smerod enthusiasts

## Why This Product

- Trusted smerod brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Size:9V400mA
            
          
          
        
      
    
  


        
        
     
	       
     

     
                              
     
       
        
         
        
        	
        	
        		
        			Product Name: Power ModuleProduct model: AC / DC power supplyModulation method: pulse width modulation (PWM)Transistor connection method: single-ended[output characteristics]Output voltage: 9VRated current: 550mACurrent range: 0-600mARipple: <;100mVp - POutput accuracy: &#xB1;1%Voltage regulation rate: &#xB1;1%Load adjustment rate: &#xB1;1.2%Rated power: 1.95WFull load efficiency: 78%Establish, rise, hold time: 500 milliseconds, 80 milliseconds, 80 milliseconds / 220VAC[input characteristics]Input voltage range: 100-264VACInput current: <;0.2A (average current 0.06-0.12A)Frequency range: 47-63HzStart surge current: cold start <;30A / 230VACLeakage current: <;2 mA / 220VAC[Protection characteristics]Over-power protection: 150-170% rated power, automatic recoveryOvervoltage protection: VH1: > 50%&#x3010;Environmental parameters&#x3011;Working temperature and humidity: -15 &#xB0; C ~ + 50 &#xB0; C, @ 100% load, + 600 &#xB0; C @ 60% LOAD: 20% - 90% RHStorage temperature, humidity: -20 &#xB0; C ~ + 85 &#xB0; C, 10% -95% RH&#x3010;safety standard&#x3011;Withstand voltage: I / P-O / P: 1KVACInsulation resistance: I / P-O: 500VDC / 100M OhmsNote: As shown in the figure, this product only contains this product, other products are not included in the product.Delivery time: We usually deliver within 1-3 days, delivery time is 9-15 days.Note: Product size is for reference only, actual productSome color differences may be due to the angle of the product and the contrast of the light.

## Features

- [Advantage 1] Wide range of input voltage range, suitable for various use environments, easy to use.
- [Advantage 2] There are overload, short circuit, over temperature protection function, safe use, and more stable and reliable performance.
- [Advantage 3] The output constant voltage mode has high voltage accuracy and is naturally cooled.
- [Advantage 4] Full load aging test, durable, widely used in industrial power and equipment power.
- [Advantage 5] Ultra-low output ripple, no worries about quality.

## Images

![Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA) - Image 1](https://images-na.ssl-images-amazon.com/images/I/61451Srs-dL.jpg)
![Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51CE36WIWnL.jpg)
![Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51pUb7rISCL.jpg)
![Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA) - Image 4](https://images-na.ssl-images-amazon.com/images/I/51EhLJd1GxL.jpg)
![Electronic Accessories 9V400mA 5W Constant Voltage Switch Power Supply Board Built-in Power Module Industrial Power Supply Buck Bare Board AC-DC (Size : 9V400mA) - Image 5](https://images-na.ssl-images-amazon.com/images/I/519EW%2BGz%2B0L.jpg)

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**Shop now:** [https://www.desertcart.co.il/products/171294837-electronic-accessories-9v400ma-5w-constant-voltage-switch-power-supply-board](https://www.desertcart.co.il/products/171294837-electronic-accessories-9v400ma-5w-constant-voltage-switch-power-supply-board)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-16*