Product description
Shipping & Return
UC3843BD1R2G — Overview
UC3843BD1R2G by onsemi is a high-volume electronic component supplied by Shenzhen Jingteng Electronics (JTDZ Tech). Current-mode PWM controller, a standard chip for flyback SMPS and adapters. We keep this part in stock for OEMs, ODMs and EMS providers in India, Vietnam and the Middle East.
Key Specifications
| Part Number | UC3843BD1R2G |
| Manufacturer | onsemi |
| Category | Power Management Chips |
| Package | SOIC-8 |
| Pin Count | 8 |
| Topology | Flyback / Forward current-mode |
| Start-up Voltage | 8.4 V (UVLO) |
| Max Duty Cycle | 96 % |
| Switching Frequency | Up to 500 kHz |
| Output Current | ±1 A totem pole |
| Reference | 5 V trimmed |
| Protection | Cycle-by-cycle current limiting |
| Package | SOIC-8 |
| Date Code | Recent date code, factory |
| Stock Status | In stock — ships within 24 hours |
| Description | Power Management Chips, ±1 A totem pole, Up to 500 kHz, SOIC-8 package. |
Typical Applications
AC-DC adapters, SMPS modules, chargers, industrial power supplies.
Why Buy UC3843BD1R2G from JTDZ Tech
- Verified and new parts, traceable date code, Certificate of Conformance available
- MOQ 1 pc, tier pricing for volume orders
- X-ray and visual inspection, third-party lab test (White Horse / GDS) supported before shipment
- Quote within 2 business hours, export shipping to India, Vietnam, the Middle East and worldwide
Further reading — application notes & cross-reference guides
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
💬 Prices vary with order quantity & market conditions. The listed price is for reference only. Contact us for a real-time quote — we offer competitive pricing for volume orders and hard-to-find parts.
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
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