UC3843AN is out of stock and can be placed on backorder.
Available Substitutes:

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UC3843AN | |
|---|---|
DigiKey Part Number | 296-11285-5-ND |
Manufacturer | |
Manufacturer Product Number | UC3843AN |
Description | IC REG CTRLR MULT TOPOLOGY 8DIP |
Manufacturer Standard Lead Time | 6 Weeks |
Customer Reference | |
Detailed Description | Regulator Output DC-DC Controller IC 8-PDIP |
Datasheet | Datasheet |
EDA/CAD Models | UC3843AN Models |
Product Attributes
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Category | Operating Temperature 0°C ~ 70°C (TA) |
Manufacturer Texas Instruments | Mounting Type Through Hole |
Series | Package / Case 8-DIP (0.300", 7.62mm) |
Packaging Tube | Supplier Device Package 8-PDIP |
Part Status Active | Base Product Number |
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Substitutes (11)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| UC2842N | Texas Instruments | 0 | 296-11176-5-ND | $1.76000 | Upgrade |
| UC2843N | Texas Instruments | 0 | 296-11181-5-ND | $1.76000 | Upgrade |
| UC3842AM | Microchip Technology | 241 | UC3842AM-ND | $6.34000 | Direct |
| SG2842M | Microchip Technology | 444 | SG2842M-ND | $4.24000 | Upgrade |
| UC3843BNG | onsemi | 2,200 | 2832-UC3843BNG-ND | $1.14000 | Direct |
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In-Stock: 0
50 estimated in stock on 30-Oct-2026
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Quantity
All prices are in USD
Tube
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.54000 | $1.54 |
| 10 | $1.12700 | $11.27 |
| 50 | $0.96000 | $48.00 |
| 100 | $0.90850 | $90.85 |
| 250 | $0.85404 | $213.51 |
| 500 | $0.82120 | $410.60 |
| 1,000 | $0.79417 | $794.17 |
| 2,500 | $0.76564 | $1,914.10 |
| 5,000 | $0.74845 | $3,742.25 |






