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UC3843D

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— 葡萄酒 | 威士忌 | 白兰地 | 啤酒 —

UC3843D

UC3843D

$0.58
  • Description：SWITCHING CONTROLLER
  • Series：-
  • Mfr：Fairchild Semiconductor
  • Package：Tube

SKU:ce7a0d2bfda5 Category: Brand:

　　
  • Quantity
    • -
    • +
    • 　　　
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Product Detailed Parameters

  • Description：SWITCHING CONTROLLER
  • Series：-
  • Mfr：Fairchild Semiconductor
  • Package：Tube
  • Output Type：-
  • Function：-
  • Output Configuration：-
  • Topology：-
  • Number of Outputs：-
  • Output Phases：-
  • Voltage - Supply (Vcc/Vdd)：-
  • Frequency - Switching：-
  • Duty Cycle (Max)：-
  • Synchronous Rectifier：-
  • Clock Sync：-
  • Serial Interfaces：-
  • Control Features：-
  • Operating Temperature：0°C ~ 70°C (TA)
  • Mounting Type：Surface Mount
  • Package / Case：14-SOIC (0.209", 5.30mm Width)
  • Supplier Device Package：14-SOP
  • Grade：-
  • Qualification：-

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UC3843D

How to buy
Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.
Payment Method
Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.
Delivery time
In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.
Freight calculation
Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.
Mode of Transportation
We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.
Return and Refund
Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.

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Buying Guide
Summary

Fairchild Semiconductor UC3843D-2 is an electronic component in DC DC Switching Controllers category. Key specs: description: SWITCHING CONTROLLER; packaging: Tube; temperature: 0°C ~ 70°C (TA); package/case: 14-SOIC (0.209", 5.30mm Width); mounting: Surface Mount.

Selection Notes
  • For UC3843D-2, confirm package/case 14-SOIC (0.209", 5.30mm Width), mounting Surface Mount to ensure footprint compatibility.
  • For UC3843D-2, validate the operating temperature range (0°C ~ 70°C (TA)) against your environment.
  • For UC3843D-2, confirm packaging option and moisture sensitivity handling if your assembly process requires it (packaging Tube; temperature 0°C ~ 70°C (TA)).
FAQ

What information do you need to quote UC3843D-2?
Send the part number (UC3843D-2), quantity, target delivery date, and any required packaging or documentation.

Who is the manufacturer/brand for UC3843D-2?
Fairchild Semiconductor

What is the packaging of UC3843D-2?
Tube

What is the operating temperature range of UC3843D-2?
0°C ~ 70°C (TA)

Application Scenarios
Fairchild Semiconductor UC3843D-2 is listed under the DC DC Switching Controllers category and is commonly used when correctness, reliability, and qualification repeatability matter. Designers balance lifetime, inrush behavior, leakage, and environmental sealing depending on load type and duty cycle. They are often selected based on safety requirements, mechanical constraints, and real-world switching stress. In safety circuits, reliable switching prevents unintended motion during maintenance and fault conditions. In power routing, solid-state options reduce mechanical wear and enable faster fault response. Overall, disciplined selection and verification reduce integration risk and improve field reliability.
UC3843DUC3843D
$0.58
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