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National Semiconductor RFQ AVAILABLE

LM78S40J

IC REG BUCK BST ADJ 1.5A 16CDIP

Part Number: LM78S40J

Manufacturer: National Semiconductor

Category: Voltage Regulators - DC DC Switching Regulators

Package: 16-CDIP (0.300", 7.62mm)

Datasheet:: LM78S40J.pdf

Description: IC REG BUCK BST ADJ 1.5A 16CDIP

Select Quantity Stock: 1,999

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TECHNICAL RESOURCES

LM78S40J Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: LM78S40J

Manufacturer: National Semiconductor

Package: 16-CDIP (0.300", 7.62mm)

Series: LM78S40

Package/Case: 16-CDIP (0.300", 7.62mm)

Packaging: Bulk

Product Status: Active

Function: Step-Up, Step-Down

Output Configuration: Positive or Negative

Topology: Boost, Buck

Output Type: Adjustable

Number of Outputs: 1

Voltage - Input (Min): 2.5V

Voltage - Input (Max): 40V

Voltage - Output (Min/Fixed): 1.25V

Voltage - Output (Max): 40V

Current - Output: 1.5A (Switch)

Frequency - Switching: 100Hz ~ 100kHz

Synchronous Rectifier: No

Operating Temperature: -55°C ~ 125°C

Grade: -

Qualification: -

Mounting Type: Through Hole

Supplier Device Package: 16-CDIP

Frequently Asked Questions

1. How can I order LM78S40J 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 LM78S40J?

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

3. Are the stock and price of LM78S40J 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 LM78S40J?

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 LM78S40J?

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.

LM78S40J Procurement and Technical Support

LM78S40J is manufactured by National Semiconductor. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing LM78S40J 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 LM78S40J.

Part Number: LM78S40J

Manufacturer: National Semiconductor

Package: 16-CDIP (0.300", 7.62mm)

Category: Voltage Regulators - DC DC Switching Regulators

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