Switch mode power supply contain some large filter capacitors that can hold dangerous charges even if the unit has not been used for several days. Typical values of this type of filter capacitor are 220uf 250volt and 330uf 400volt! If you are going to work on the power supply circuits Cheap Authentic Soccer Jerseys , it's a good idea to discharge that capacitor first.

There are three ways to discharge the big filter capacitor in a power supply.

1)Discharge it with a screw driver (not recommended).

The reason for not using the screw driver to discharge a capacitor is because

-the printed circuit board or circuitry can be damage due to the spark generated while discharging the high voltage capacitor. I once blowed the power section using this method. However, if you know that the capacitor stored voltage is not too large, you can easily discharge it with a small screw driver.

-if the capacitor holds a heavier charge of electricity. Discharging the capacitor may melt the tip of the screw driver and the copper on the printed circuit board.

-Sometimes a heavier spark may cause small disintegrated solder lead or copper to fly out from the circuit board and may injured your eyes.

2)Place the leads of a socketed 100 watt electric bulb on the leads of the capacitor.

This method had been used by many technicians around the world for the light bulb will act as an indicator to see if the capacitor still holds the charge. If there is a charge the light bulb will light and after discharged the light bulb will goes off.

3)Place the leads of a high wattage resistor on the leads of the capacitor. I use a 2.2k ohm 10 watt resistor to discharge the high voltage capacitor in a switch mode power supplies. It is simple to use and very effective .It takes only couple of seconds to fully discharge the capacitor.

Conclusion

I strongly suggest for those who use screw driver to discharge a capacitor to swift to the second and third method as these is the safest method to protect the circuit and most importantly is yourself.

Jestine Yong is a electronic repairer and a writer. For more electronic repair information please visit his website at Autotransfusion Systems Market worth $505 million by 2024
by RosyW · November 8, 2019


According to research report Autotransfusion Systems Market is projected to reach USD 505 million by 2024 from USD 395 million in 2019 at a CAGR of 5.0%. Autotransfusion products, by type Cheap Soccer Jerseys , accounted for the largest share of the autotransfusion systems market, in 2019.


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Based on type, the autotransfusion systems market is segmented into autotransfusion products & accessories. The autotransfusion products segment accounted for the largest share of the autotransfusion systems market in 2019. Autotransfusion products are associated with several advantages, which are expected to boost its adoption in the coming years. These components prevent the transmission of transfusion-related blood-borne diseases in patients, and they also provide more compatible blood in comparison to autologous blood transfusions. These advantages are likely to increase the demand for autotransfusion products during the forecast period.


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The cardiac surgeries segment Cheap Jerseys China , by application, is expected to register the highest growth rate in the autotransfusion systems market during the forecast period in 2019.


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Based on application, the autotransfusion systems market is segmented into Cardiac Surgeries, Orthopedic Surgeries, Organ Transplantation Cheap Jerseys , Trauma Procedures, and Other Procedures. The cardiac surgeries segment is expected to register the highest growth rate due to the high prevalence of cardiac diseases and recommendations for autologous transfusion (by entities such as the WHO) during cardiac surgeries.


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North America, by region, held the largest share of the autotransfusion systems market in 2019.


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The large share of the North American market can mainly be attributed to the high and growing prevalence of target health conditions (cardiovascular, orthopedic Wholesale Authentic Soccer Jerseys , and trauma cases), increasing number of major transplant procedures, scarcity of allogenic blood, preference for autologous blood (due to its advantages), and the strong presence of key market players in the region.


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Becton Wholesale Soccer Jerseys Cheap , Dickinson and Company (US), Zimmer Biomet Holdings, Inc. (US), Teleflex Incorporated (US), and Haemonetics Corporation (US) are some of the major players operating in the North American market.


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newsletter@ Biofeedback Instrument Market is Expected to Grow With a CAGR of xxx% During the Forecast Period 2018-2025, Says Planet Market Reports

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