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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 |
|---|---|---|---|---|
 |
HEF4538BT-Q100118NXP Semiconductors |
IC MULTIVIBRATOR |
In Stock: 625,000 |
|
 |
MC74HC4538AFR1Sanyo Semiconductor/ON Semiconductor |
DUAL PRECISION MONOSTABLE MULTIV |
In Stock: 526,315 |
|
 |
DM74LS221SJFairchild (ON Semiconductor) |
IC MULTIVIBRATOR |
In Stock: 357,142 |
|
 |
MC74HC4538ADTR2GSanyo Semiconductor/ON Semiconductor |
MONOSTABLE MULTIVIBRATOR, HC/UH |
In Stock: 454,545 |
|
 |
LTC6993HS6-1#TRPBFLinear Technology (Analog Devices, Inc.) |
IC MULTIVIBRATOR 11NS TSOT23-6 |
In Stock: 40,740 |
|
 |
74HC123DToshiba Electronic Devices and Storage Corporation |
IC MULTIVIBRATOR 40NS 16SOIC |
In Stock: 163,934 |
|
 |
SN74LV123ADRE4Texas Instruments |
IC MULTIVIBRATOR 13NS 16SOIC |
In Stock: 494,878 |
|
 |
74HC123D-Q100,118Nexperia |
IC MULTIVIBRATOR 65NS 16SO |
In Stock: 805,542 |
|
 |
SN74AHCT123ADBRTexas Instruments |
SN74AHCT123A DUAL RETRIGGERABLE |
In Stock: 588,235 |
|
 |
MC14538BDGSanyo Semiconductor/ON Semiconductor |
IC MULTIVIBRATOR 95NS 16SOIC |
In Stock: 147,058 |
