UC3843BN is out of stock and can be placed on backorder.
Available Substitutes:
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
UC3843BN | |
|---|---|
DigiKey Part Number | 497-6786-5-ND |
Manufacturer | |
Manufacturer Product Number | UC3843BN |
Description | IC REG CTRLR BST/FLYBK 8-MINIDIP |
Manufacturer Standard Lead Time | 14 Weeks |
Customer Reference | |
Detailed Description | Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-Mini DIP |
Datasheet | Datasheet |
EDA/CAD Models | UC3843BN Models |
Product Attributes
Filter Similar Products
Show Empty Attributes
Category | Frequency - Switching Up to 500kHz |
Manufacturer STMicroelectronics | Duty Cycle (Max) 96% |
Packaging Tube | Synchronous Rectifier No |
Part Status Active | Clock Sync No |
Output Type Transistor Driver | Control Features Frequency Control |
Function Step-Up, Step-Up/Step-Down | Operating Temperature 0°C ~ 70°C (TJ) |
Output Configuration Positive, Isolation Capable | Mounting Type Through Hole |
Topology Boost, Flyback | Package / Case 8-DIP (0.300", 7.62mm) |
Number of Outputs 1 | Supplier Device Package 8-Mini DIP |
Output Phases 1 | Base Product Number |
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V |
Report Product Information Error
Documents & Media
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (15)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| UC3842AM | Microchip Technology | 241 | UC3842AM-ND | $6.34000 | Direct |
| SG2842M | Microchip Technology | 444 | SG2842M-ND | $4.24000 | Upgrade |
| UC3842AN | Texas Instruments | 0 | 296-11280-5-ND | $1.54000 | Direct |
| UC3842N | Texas Instruments | 0 | 296-11282-5-ND | $1.70000 | Direct |
| UC3843AN | Texas Instruments | 0 | 296-11285-5-ND | $1.54000 | Direct |
Show More
In-Stock: 0
50 estimated in stock on 01-Feb-2027
Request Stock Notification
Quantity
All prices are in USD
Tube
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $0.83000 | $0.83 |
| 10 | $0.59400 | $5.94 |
| 50 | $0.49860 | $24.93 |
| 100 | $0.46920 | $46.92 |
| 250 | $0.43804 | $109.51 |
| 500 | $0.41926 | $209.63 |
| 1,000 | $0.40380 | $403.80 |
| 2,500 | $0.38748 | $968.70 |
| 5,000 | $0.37765 | $1,888.25 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.
