
UC3843 SMD Current-Mode PWM Controller IC
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
RAM Electronics | SMD UC3843 | 10 EGP | View in store |
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Lowest price recorded: 10 EGP
About this product
The UC3843 is a current-mode PWM controller IC used to build switch-mode power supplies such as flyback and boost converters. This surface-mount version suits compact PCB designs where board space is limited.
Specifications
- Type
- Current-mode PWM controller
- Mounting
- SMD (SOIC-8)
- Pin count
- 8
- Typical application
- Switch-mode power supplies (flyback, boost)
Frequently asked questions
What is the price of UC3843 SMD Current-Mode PWM Controller IC in Egypt?
UC3843 SMD Current-Mode PWM Controller IC currently costs 10 EGP in Egypt.
Where can I buy UC3843 SMD Current-Mode PWM Controller IC in Egypt?
UC3843 SMD Current-Mode PWM Controller IC is available from RAM Electronics. Compare the offers above to find the best price.
Is the SMD version the same as the DIP UC3843?
The function is the same, but the package differs. The SMD version must be soldered to SOIC-8 pads, so check your PCB footprint or use a suitable adapter.
Can I use it without external components?
No. A switch-mode converter built around it needs external components such as the power switch, timing network and current-sense resistor, as shown in the datasheet reference design.






