New 500W +/-70V High-power PSU Audio Amp Switching Power Supply Board Amplifier
83.81 75.38 $
1. Typical performance
2W, constant voltage input, isolated unregulated single output DC DC power module
B12_S-2WR3 series-----is a small size, high-efficiency micro-power, constant voltage input, isolated and unregulated single-channel output provided by Hilink to customers.DC/DC module power supply.
Constant voltage input, isolated unregulated output 2W power
Isolation Voltage: 1500VDC
Low no-load power consumption: 0.025W (Typ.)
Efficiency: up to 90% (Typ.)
Working temperature: -40℃ ~ +85℃
MTBF≥3.5million hours(3500000Hrs)
Output short circuit protection: continuous short circuit protection, automatic recovery
Small SIP Package, Plastic Housing
International standard pin method
Ripple / Noise ( 20MHz bandwidth ) : 30mVp-p (Typ.)
2. Product selection table
3. Input characteristics
Project | Working conditions | Min. | Typ. | Max. | Unit |
Input current (Fully loaded/no load) | 5VDCinput series | -- | 454/5 | --/10 | mA |
9VDCinput series | -- | 250/5 | --/10 | ||
12VDCinput series | -- | 186/2 | --/5 | ||
15VDCinput series | -- | 148/2 | --/4 | ||
24VDCinput series | -- | 92/1 | --/2 | ||
Reflected Ripple Current | -- | 15 | -- | VDC | |
Impulsevoltage (Isec.max) | 3.3VDCinput series | -0.7 | -- | 5 | |
5VDCinput series | -0.7 | -- | 9 | ||
9VDCinput series | -0.7 | -- | 15 | ||
12VDCinput series | -0.7 | -- | 18 | ||
15VDCinput series | -0.7 | -- | 21 | ||
24VDCinput series | -0.7 | -- | 30 | ||
Input filter type | Capacitive filtering | ||||
Hot plug | No support |
4. Output characteristics
Project | Working and testing conditions | Min. | Typ. | Max. | Unit | |
Output load | Load percentage | 10 | -- | 100 | % | |
Output voltage accuracy | See error envelope curve | -- | -- | ±15.0 | % | |
Linear adjustment rate | Input voltage variation ±1% | 3.3Voutput | -- | -- | ±1.5 | % |
Others | -- | -- | ±1.2 | % | ||
Load Regulation | 10%~100% load | 3.3VDCoutput | -- | 18 | -- | % |
5VDCoutput | -- | 12 | -- | % | ||
9VDCoutput | -- | 8 | -- | % | ||
12VDCoutput | -- | 7 | -- | % | ||
15VDCoutput | -- | 6 | -- | % | ||
24VDCoutput | -- | 5 | -- | % | ||
Ripple & Noise | Pure resistive load, 20MHz bandwidth, peak-to-peak | -- | 30 | 80 | mVp-p | |
Temperature Drift Coefficient | Fully loaded | -- | -- | ±0.03 | %/°C | |
Output short circuit protection | Continuous short circuit protection, automatic recovery | |||||
Note: Ripple and noise test method twisted pair test method. |
5. Product characteristic curve
6. Product appearance size and pin definition, recommended printing layout
7. Our Company
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
Shipping time varies by location. These are our estimates:
Location | *Estimated Shipping Time |
---|---|
United States | 10-30 Business days |
Canada, Europe | 10-30 Business days |
Australia, New Zealand | 10-30 Business days |
Central & South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.
*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
Thank you for your interest doing business with us!
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