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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to UC3843ADR2.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

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Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.

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: Technical Documents
Datasheet and specification confirmation for engineers.

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onsemi RFQ AVAILABLE

UC3843ADR2

IC REG CTRLR BUCK 14SOIC

Part Number: UC3843ADR2

Manufacturer: onsemi

Category: DC DC Switching Controllers

Package: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: UC3843ADR2.pdf

Description: IC REG CTRLR BUCK 14SOIC

Select Quantity Stock: 0

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Qty.	Unit Price	Ext. Price
2500+	$0.15040	$376.00
5000+	$0.13826	$691.30
7500+	$0.13210	$990.75
12500+	$0.12519	$1564.88
17500+	$0.12456	$2179.80

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TECHNICAL RESOURCES

UC3843ADR2 Technical Information

Specifications
FAQ
Hot Sale
Packaging
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Specifications

Product Attribute: Attribute Value

Part Number: UC3843ADR2

Manufacturer: onsemi

Package: 14-SOIC (0.154", 3.90mm Width)

Series: -

Package/Case: 14-SOIC (0.154", 3.90mm Width)

Packaging: Tape & Reel (TR)

Product Status: Obsolete

Output Type: Transistor Driver

Function: Step-Up, Step-Up/Step-Down

Output Configuration: Positive, Isolation Capable

Topology: Boost, Flyback

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 96%

Synchronous Rectifier: No

Clock Sync: No

Serial Interfaces: -

Control Features: Frequency Control

Operating Temperature: 0°C ~ 70°C (TA)

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package: 14-SOIC

Frequently Asked Questions

1. How can I order UC3843ADR2 from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of UC3843ADR2?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of UC3843ADR2 updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for UC3843ADR2?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for UC3843ADR2?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

UC3843ADR2 Procurement and Technical Support

UC3843ADR2 is manufactured by onsemi. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing UC3843ADR2 and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for UC3843ADR2.

Part Number: UC3843ADR2

Manufacturer: onsemi

Package: 14-SOIC (0.154", 3.90mm Width)

Category: DC DC Switching Controllers

Submit BOM RFQ Contact Sales

Payment Method

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Transaction fees are charged according to the selected bank or payment system rules.

Shipping Method

DHL

FedEx

UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

Shipping Fee

Calculated according to destination and parcel weight

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