LM317 LM337 Active Servo Adjustable Regulated Power Supply Bare PCB Board LF353
Item Details
LM317 LM337 Active Servo Adjustable
Regulated Power Supply Bare PCB Board
 
 
Description:
 
This is Bare PCB, not contains any other electric components.
 
Power Supply Voltage: Dual AC 12V-24V (Suggest power is not less than 20W three-tap transformer)
 
Output Voltage: Double ±5V ~ ±18V adjustable (The highest voltage is determined by the transformer)
 
PCB Size: 75mm x 75mm x 1.6mm (L*W*H)
 
FR4 epoxy boards, board design can be installed statuette seal LM317-337 position.
 
This circuit with a new dual op amp LF353 make servo core, new import (ON) three-terminal regulator blocks LM317, LM337 adjustable voltage regulator output, voltage adjustment range ±9 ~ ±15V, this circuit containing (ON) MUR120 rectifier, BC 2200UF/50Vx2, 100UFx2,, 10UFx4, BC 0.1UFx2 as a filter.
 
Three-terminal regulator blocks the installation of an aluminum heat sink, high power output accuracy, good stability.
 
Active Servo power supply is designed for Pre-amp audio circuit design, small internal resistance, output voltage stability, low noise, can effectively guarantee a high degree of stability NE5532, OPA2604, AD827, OPA627 chips, etc., to improve the transient characteristics and high frequency characteristics.
 
Maximum main filter capacitor can be installed 25MM diameter.
 
 
Packing List:
 
1pcs x LM317 LM337 Active Servo Adjustable Regulated Power Supply Bare PCB
 
LL01LL03
 
Please leave note for your special request (e.g. Colors or Size) in ebay when you pay the order.
Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
Item will be shipped within one business day after full payment is received.
Except The United States and Russia we shipped use Epack, We ship worldwide with standard shipping by Hong Kong Air mail. This international order may take longer to arrive, Normally the shipment to worldwide is used to take 35 to 40 business days, exclude Sat & Sun..
Delivery time depends on destination and other factors, if you still not received it in normal days. Please don’t worry, I hope you can give me a message before you do any action.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
Original and return shipping fee will not be refunded or reimbursed under all circumstances. You must agree and acknowledge this term if you bid for this item. Therefore, please do not complain about having to ship back at your own expense.
Any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.
We always reply to ebay messages within 1-2 business days. If you do not get a response from us, then please check your ebay message. we only reply by ebay message, no send email.
Dear buyers, we appreciate your business, if you are satisfied with our service, please leave me a postive rate, Your recognition will make us more confident to develop business and serve you better. Our goal is to make sure you are a happy buyer and pleasant shopping with us.
 
Please give us ebay message before leaving any 1 or 2 ratings, neutral, negative feedback or open any dispute. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues. Please give us the opportunity to resolve any problem. thank you very much! And hope to see you soon.
If you have any questions, please feel free to email our service specialists 24 Hours a Day, and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us.
We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item in 30 days, please contact us and we will arrange refund or resend.
PushAuction