Dual Rail Linear Regulated Power Supply Board Base on Sigma11
 
Before purchase please Note :

1. This SIGMA11 (Sigma) kit is only suitable for players with a certain electronic foundation and soldering iron soldering ability. If you do not have the ability to use it, please do not buy it.
2. Due to different purchase batches, some components will be replaced without any notice under the guarantee of quality.
3: PCB size: 100*75MM，1.6mm，1 OZ
4. When R10 is 10K, the output voltage is 23~24V (also the default output voltage of this kit), and the other is equipped with a 50K 3296 adjustment.
5. The AC voltage supplied by the board should not exceed AC35V.
6. For other output voltages, there is a rule of thumb that, under load, a voltage drop of approximately 8V-9V should be maintained through the mosfet.
7:The rectifier diode can be insulated without insulation when it is used for heat dissipation. However, if the chassis is used for heat dissipation, it must be insulated (including the power supply adjustment Transistor).
10. For the convenience of the player, equipped with a 5V, 12V voltage regulator


11： This kit does not include the main filter electrolytic capacitors.

 

 
Output Voltage R10 Value Zener Diode (D5)
 
±36V            4.99K           BZX55C12 (12V)
±30V            6.81K           BZX55C12 (12V)
±27V            7.87K           BZX55C12 (12V)
±24V            10K              BZX55C12 (12V)
±15V           39.2K            BZX55C12 (12V)
±12V      not installed       BZX55C12(12V)
±9V        not installed       BZX55C9V1 (9.1V)
±5V        not installed       BZX55C5V1 (5.1V) or LM336-5.0 (ADJ pin unused)
 
8. The relationship between the output DC voltage and the secondary AC voltage of the transformer is as follows:
 
Output voltage    Transformer secondary
36VDC              AC 35V
30VDC              AC 30V
27VDC              AC 25V
24VDC              AC 25V
18VDC              AC 20V
15VDC              AC 18V
12VDC              AC 15V
10VDC              AC 15V
9VDC                AC 12V
5VDC                AC 9V
 





 
Package Included:
 
1 x Power supply Kit    （not include the 1pcs main filter electrolytic capacitors）








Shipping time:

Default send by airmail,about 15-22 business days can arrive most of europe countries, Russia, Brazil,Africa.Ukraine and some other remote countries will need some more days.

If you need it urgently,also can contact us for adding money using a faster courier(EMS,DHL,UPS or courier you designated)

Payment:

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All items will be shipped within 1-3 business days (from china)upon receipt of payment.

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Customs & duties:For cross-border transactions,.we are not responsible for tariffs and duties. However, buyers may be responsible for  actual, applicable tariffs, and duties as requested by respective country laws

 

Return & Exchange:

>> Some items return is accepted within 7 days after the buyer's receiving the item.(please see the detail describe)[In case of DOA (Dead on Arrival), please report within 3 days]

>> Returned item has to be new, unworn and in its original condition.
>> After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from )




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