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SOURCING SUPPORT

Need Help With FSD-4A?

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

Stock & Batch Verification Confirm available quantity, date code and delivery schedule.
Alternative Part Sourcing Request compatible or replacement parts when stock is limited.
Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.
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Supplier Verification

Supplier review and component quality inspection support.

Technical Documents

Datasheet and specification confirmation for engineers.

One-Stop BOM Sourcing

Multi-part procurement and shortage sourcing assistance.

OptiFuse RFQ AVAILABLE

FSD-4A

FUSE GLASS 4A 250VAC 5X20MM

Part Number
FSD-4A
Manufacturer
OptiFuse
Category
Fuses
Package
Datasheet:
FSD-4A.pdf
Description
FUSE GLASS 4A 250VAC 5X20MM
Select Quantity Stock: 5,415
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TECHNICAL RESOURCES

FSD-4A Technical Information

  • Specifications
  • FAQ
  • Hot Sale
  • Packaging
  • Related Products

Specifications

Product Attribute
Attribute Value
Part Number
FSD-4A
Manufacturer
OptiFuse
Package
Package/Case
Series
FSD
Packaging
Bulk
Product Status
Active
Mounting Type
Requires Holder
Fuse Type
Cartridge, Glass
Current Rating (Amps)
4 A
Voltage Rating - AC
250 V
Voltage Rating - DC
-
Response Time
Fast Blow
Breaking Capacity @ Rated Voltage
35A
Melting I²t
35.19
Approval Agency
cURus, IEC 60127
Operating Temperature
-55°C ~ 125°C
Color
-
Size / Dimension
0.205" Dia x 0.787" L (5.20mm x 20.00mm)

Frequently Asked Questions

1. How can I order FSD-4A 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 FSD-4A?

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

3. Are the stock and price of FSD-4A 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 FSD-4A?

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 FSD-4A?

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

Packaging and Shipping Protection

Step 1 product inspection
Step 1 Product Inspection
Step 2 casing and dry pipe protection
Step 2 Casing & Dry Pipe
Step 3 anti-static bag packaging
Step 3 Anti-static Bags
Step 4 inner carton packaging
Step 4 Inner Carton
Step 5 shipping label
Step 5 Shipping Label
Step 6 international delivery
Step 6 International Delivery

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

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SOURCING SUPPORT

FSD-4A Procurement and Technical Support

FSD-4A is manufactured by OptiFuse. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing FSD-4A 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 FSD-4A.

Part Number
FSD-4A
Manufacturer
OptiFuse
Package
Category
Fuses
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