UC1843AJ883B
Specifications
| Output Current | 1A |
| Operating Temperature | -55°C to +125°C |
| Output Voltage | 5V |
| Duty Cycle(Max) | 96% |
| Features | Slope compensation · Under-voltage lockout · Over Current Protection · Under Voltage Protection |
| Feedback System | Secondary-Side Feedback |
| Frequency - Switching | 500kHz |
| Pd - Power Dissipation | 1W |
| Topology | Flyback |
| Voltage - Supply | 11V to 25V |
| Working Mode | PWM Modulation |
Price
| Quantity | Unit price |
|---|---|
| 1 pcs | USD 76.80 |
| 30 pcs | USD 73.78 |
Indicative price as of 2026-10-31 12:21 Beijing time · 54h old — ask us for a fresh quote before you commit.
Spot prices on passives and power parts can move by double digits within a single day. Treat this as a reference point, not a binding offer — confirm before you pass it to your customer.
| Availability | In stock |
| Stock | 290 pcs |
| Lead time | Ships in 3–5 working days once the lot is confirmed |
| Condition | New & original — lot checked before shipment |
| MOQ | 1 pcs |
| MPQ | 50 pcs |
| Stock checked | 2026-10-31 12:21 |
| Price updated | 2026-10-31 12:21 |
Questions buyers ask
Is UC1843AJ883B in stock?
In stock — 290 pcs. Ships in 3–5 working days once the lot is confirmed. Stock last checked 2026-10-31. Minimum order quantity 1 pc.
Is UC1843AJ883B new and original?
Yes. Every lot is checked before it ships; if a lot is ever refurbished or pulled from a board, the quote says so before you order.
What does UC1843AJ883B cost?
Indicative unit price is USD 76.80; volume breaks are quoted per order.
What are the key specifications of UC1843AJ883B?
Output Voltage 5V, Voltage - Supply 11V to 25V, Output Current 1A, Operating Temperature -55°C to +125°C.
Is UC1843AJ883B RoHS compliant?
The data feed lists RoHS: Yes — confirm on the datasheet for your batch.
Where is the UC1843AJ883B datasheet?
Alternatives & cross-reference
Possible alternatives on record — these are cross-reference candidates, not verified drop-in replacements. Pinout, voltage and timing must be checked against both datasheets before substitution.
| Possible alternative | Manufacturer | Match | Notes | Confidence |
|---|---|---|---|---|
| UC1845AJ | TI | alternate | From a supplier cross-reference list, unverified. | low |
Tell us the quantity and your target price. We confirm stock and alternatives the same day.
Email us — reply within 24 hours