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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to FAN5903BUCX.

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FAN5903BUCX Fairchild Semiconductor product image

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Supplier review and component quality inspection support.

: Technical Documents
Datasheet and specification confirmation for engineers.

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Fairchild Semiconductor RFQ AVAILABLE

FAN5903BUCX

SWITCHING REGULATOR

Part Number: FAN5903BUCX

Manufacturer: Fairchild Semiconductor

Category: Special Purpose Regulators

Package: 9-UFBGA, WLCSP

Datasheet:: FAN5903BUCX.pdf

Description: SWITCHING REGULATOR

Select Quantity Stock: 42,050

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TECHNICAL RESOURCES

FAN5903BUCX Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: FAN5903BUCX

Manufacturer: Fairchild Semiconductor

Package: 9-UFBGA, WLCSP

Series: -

Package/Case: 9-UFBGA, WLCSP

Packaging: Bulk

Product Status: Active

Applications: Converter, 3G, 3.5G, 4G RF Power Amplifier

Voltage - Input: 2.7V ~ 5.5V

Number of Outputs: 1

Voltage - Output: 0.4V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package: 9-WLCSP (1.34x1.29)

Frequently Asked Questions

1. How can I order FAN5903BUCX 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 FAN5903BUCX?

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

3. Are the stock and price of FAN5903BUCX 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 FAN5903BUCX?

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 FAN5903BUCX?

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

Hot Sale Part Numbers

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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.

FAN5903BUCX Procurement and Technical Support

FAN5903BUCX is manufactured by Fairchild Semiconductor. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing FAN5903BUCX 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 FAN5903BUCX.

Part Number: FAN5903BUCX

Manufacturer: Fairchild Semiconductor

Package: 9-UFBGA, WLCSP

Category: Special Purpose Regulators

Submit BOM RFQ Contact Sales

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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

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