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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 |
|---|---|---|---|---|
 |
UC3843ANG4Texas Instruments |
UC3843 CURRENT-MODE PWM CONTROLL |
In Stock: 142,857 |
|
 |
ISL6406IVIntersil (Renesas Electronics America) |
SWITCHING CONTROLLER |
In Stock: 125,000 |
|
 |
5962-8670408XATexas Instruments |
UC1845A CURRENT MODE PWM CONTROL |
In Stock: 3,395 |
|
 |
S-8520C31MC-BRQT2GABLIC U.S.A. Inc. |
IC REG CTRLR BUCK SOT23-5 |
In Stock: 233,165 |
|
 |
MAX1791EUBLinear Technology (Analog Devices, Inc.) |
STEP-DOWN CONTROLLER |
In Stock: 25,440 |
|
 |
TPS40322RHBTTexas Instruments |
IC REG CTRLR BUCK 32QFN |
In Stock: 30,150 |
|
 |
TPS43330AQDAPRQ1Texas Instruments |
IC REG CTRLR BUCK/BOOST 38HTSSOP |
In Stock: 36,784 |
|
 |
UCC1583JTexas Instruments |
SWITCHING CONTROLLER |
In Stock: 10,617 |
|
 |
TPS40021PWPRG4Texas Instruments |
SWITCHING CONTROLLER, VOLTAGE-MO |
In Stock: 54,455 |
|
 |
XC9302A593MR-GTorex Semiconductor Ltd. |
STEP-UP & STEP-DOWN 300KHZ DCDC |
In Stock: 179,694 |
