










Product Details
Features:
1.Brand new and high quality
2.Overheat overcurrent short circuit full protection.
3.The use of stable and reliable
4.With LED display
5.Suitable for electronic production DIY enthusiasts
6.Welding convenient and simple installation
7.Regardless of the positive and negative input, compatible with 27V AC or 40V DC or less
8.Circuit board size:58*42mm
NOTE: In order to maintain good regulation characteristics, please ensure LM317 chip input and output pressure of about 3V; when using a large current, it is recommended to increase the area of heat sink or cooling fan.
Package Included:
1 set LM317 Adjustable Voltage Regulator Step-down module DIY Kit
1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.