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FOD2743AV
FOD2743AV - Brand New onsemi Transistor Output Optocouplers
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Description
The FOD2743 Optically Isolated Amplifier consists of the popular KA431
precision programmable shunt reference and an optocoupler. The optocoupler is
a gallium ars enide (GaAs) light emitting diode optically coupled to a silicon
phototransistor. It comes in 3 grades of reference voltage tolerance = 2%, 1%,
and 0.5%.
The Current Transfer Ratio (CTR) ranges from 50% to 100%. It also has an
outstanding temperature coefficient of 50 ppm/°C. It is primarily intended for
use as the error amplifier/reference voltage/optocoupler function in iso lated
AC to DC power supplies and dc/dc converters.
When using the FOD2743, power supply designers can reduce the component count
and save space in tightly packaged designs. The tight tolerance reference
eliminates the need for adjustments in many applications. The device comes in
an 8-pin dip white package.
Features
■ Optocoupler, precision reference and error amplifier in a single package
■ 2.5V reference
■ CTR 50% to 100% at 1mA
■ 5,000V RMS isolation
■ UL approval E90700, Vol. 2
CSA approval 1296837
VDE approval pending
BSI approval pending
■ Low temperature coefficient 50ppm/°C max
■ FOD2743A: tolerance 0.5%
FOD2743B: tolerance 1%
FOD2743C: tolerance 2%
Applications
■ Power supplies regulation
■ DC to DC converters
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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