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50PCS New TLP291-4GB TLP290-4GB TLP281-4GB TLP280-4GB TLP291-4 TLP290-4 TLP281-4 TLP280-4 SOP-16  SUNMINDS

50PCS New TLP291-4GB TLP290-4GB TLP281-4GB TLP280-4GB TLP291-4 TLP290-4 TLP281-4 TLP280-4 SOP-16 SUNMINDS

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£10.39£14.43
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Specifications

Brand Name
NONE
Origin
Mainland China
High-concerned chemical
None
Condition
New
Type
buck (stepdown) regulator
Supply Voltage
International standard
Dissipation Power
International standard
is_customized
Yes
Operating Temperature
International standard
Application
Computer

Product Description

YT Electronics components co.,ltd

Warranty

1.- 90days' warranty..

2.- If the item is defective upon receipt, it should be within 7days from the date of receipt for exchange a new one (Buyer should return all original and undamaged items under re-saleable condition)

3.- We supply free repairing service within one year of purchase. For the first 1 month, we will pay one way shipping cost( from us to your location); After 1 month of purchase, the buyer need to pay two ways of shipping cost.

4.- One we get the returned items, we will send the replaced ones back as soon as possible.

5.- Our warranty does not extend to any products that are physically damaged or under un-normal operating conditions as a result of misuse or improper installation on the parts

Payment

1.- Please make sure your payment account is available before you bid the item.

2.- All payments should be cleared within 7days after you receive the item. If you really have difficulty in paying the item, please contact us firstly, we will help to solve it.

3.- If you have any special request about the details of item, please leave a note in your order.



Shipment



1.- We can ship the products all the world.

2.- DHL, FedEx, TNT, UPS, EMS, China Post, Hongkong Post are all available.

3.- The item will be sent out with 3days after receiving the payment.

4.- Please make sure your delivery address and contact telephone number are correct when you bid the item.

5.- You can track the situation of your product on website after they are shipped out

Import Taxes or Duties



1.- Import duties, taxes and other charges happened in your side are not included in the price of the item. These fees are afforded by buyer.

2.- Please check with you country's Customs office to determine what these additional costs will be before purchase.

3.- Please confirmed detailed information about delivery invoice. For example, how much price we should write on the waybill invoice, or how to describe the item, etc..

Feedback



1.- As your feedback is very important to our development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. Thanks a lot for your time.

2.- Our program will leave back the same feedback to you after your positive feedback.

3.- Please contact us before you leave a neutral or negative feedback, we will try our best to solve the problems.

Thank you very much for your support and wish you have a nice day!





Thank you very much for your support and wish you have a nice day!


Pros & Cons

Pros

  • New condition with 50 pieces per order for bulk value
  • SOP-16 package ideal for compact PCB designs
  • 90-day warranty and free repairs
  • Suitable for computer applications with standard specs

Cons

  • Brand name NONE, generic manufacturer
  • Vague specs like 'international standard' for voltage and temperature
  • Limited to Mainland China origin, potential shipping delays
  • Defective exchange requires returning undamaged items

Common Questions

What material is used in the TLP291-4GB optocouplers?

The TLP291-4GB, TLP290-4GB, TLP281-4GB, and TLP280-4GB are SOP-16 packaged components made from standard semiconductor materials with no high-concerned chemicals.

What is the size and package type of these 50PCS optocouplers?

They come in SOP-16 package, a compact surface-mount size suitable for PCB integration.

Are these optocouplers compatible with computer applications?

Yes, specified for computer applications with international standard supply voltage and operating temperature.

How should these buck regulator optocouplers be used?

Use as isolation components in buck step-down regulators; ensure proper soldering and follow datasheets for pin connections in computer circuits.

What is the shipping and warranty policy for these 50PCS?

90-day warranty; defective items exchangeable within 7 days; ships from Mainland China with free repairing service.

Product information last updated on March 30, 2026