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| Shipping | Delivery period | For in-stock parts, orders are estimated to ship out in 3 days. InFortune ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express, 3-7 business days. DHL eCommerce，12-22 business days. FedEx International Priority, 3-7 business days. EMS, 10-15 business days. Registered Air Mail, 15-30 business days |
| Shipping rates | Shipping rates for your order can be found in the shopping cart. | |
| Shipping option | We provide DHL, FedEx, EMS, SF Express, and Registered Air Mail international shipping. | |
| Shipping tracking | We will notify you by email with tracking number once order is shipped. You can also find the tracking number in order history. |
| Returning / warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment，please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping. |
| Warranty | All InFortune purchases come with a 30-day money-back return policy, plus a 90-day InFortune warranty against any manufacturing defects. This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation |
| Image | Part Number | Description | Stock | Buy |
|---|---|---|---|---|
 |
UC3845ANTexas Instruments |
IC REG CTRLR MULT TOPOLOGY 8DIP |
In Stock: 66,265 |
|
 |
LM5037MTX/NOPB-NSNational Control Devices |
DUAL SWITCHING CONTROLLER, CURRE |
In Stock: 62,500 |
|
 |
LT3752EFE-1#TRPBFLinear Technology (Analog Devices, Inc.) |
IC REG CTRLR FWRD CONV 38TSSOP |
In Stock: 16,928 |
|
 |
UC3843BVDSanyo Semiconductor/ON Semiconductor |
SWITCHING CONTROLLER |
In Stock: 357,142 |
|
 |
ISL8843AAUZ-TIntersil (Renesas Electronics America) |
IC REG CTRLR BOOST/FLYBACK 8MSOP |
In Stock: 62,139 |
|
 |
LTC3851AIMSE-1#PBFLinear Technology (Analog Devices, Inc.) |
IC REG CTRLR BUCK 16MSOP |
In Stock: 25,145 |
|
 |
ISL6567CRZ-TIntersil (Renesas Electronics America) |
IC REG CTRLR BUCK 24QFN |
In Stock: 38,975 |
|
 |
UC2844AD8TRG4Texas Instruments |
IC PWM BUCK BST FLYBCK CM 8SOIC |
In Stock: 140,894 |
|
 |
LTC3728LIGN-1#TRPBFLinear Technology (Analog Devices, Inc.) |
IC REG CTRLR BUCK 28SSOP |
In Stock: 18,922 |
|
 |
LTC1702AIGN#TRPBFLinear Technology (Analog Devices, Inc.) |
IC REG CTRLR BUCK 24SSOP |
In Stock: 19,305 |
