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3549 Keystone Electronics 3549 is a horizontal through-hole blade fuse clip rated 30A at 500V AC, with tin-nickel plated brass contacts and PC pin termination.
Mfr Part #:

3549

Available from 2 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
Keystone Electronics 3549 is a horizontal through-hole blade fuse clip rated 30A at 500V AC, with tin-nickel plated brass contacts and PC pin termination.
Total Stock: 938 pcs

3549 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
469 pcs
469 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
469 pcs
469 pcs On Request 1 On Request On Request On Request On Request On Request

3549 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Contact Finish
Contact Material
Contact Thickness
Current Rating (Amps)
For Use With
Fuse Size
Fuse Type
Fuseholder Type
Insulator Material
Lead Style
Mounting Type
Orientation
Termination Style
UL Current Rating
UL Temperature Rating
Voltage

3549 Description

Short technical summary and product information.

The Keystone Electronics 3549 is a blade fuse clip designed for use with miniature (ATM) blade fuses. It features a horizontal orientation and through-hole mounting with PC pin termination, making it suitable for PCB applications. The clip is rated for 30A at 500V AC and is constructed with 0.016" thick brass contacts finished with matte tin-nickel plate. The insulator is made of Nylon 4/6 with a UL 94V-0 flammability rating. The operating temperature range is -50°C to +145°C. This fuse clip accepts fuses with dimensions 0.433" L x 0.152" W (11.00mm x 3.85mm), compatible with Littelfuse Mini 297 or 997 series and Bussmann ATM series or equivalents.

3549 Quick Information

Product Type: Fuse Clip
Canonical Name: Keystone Electronics 3549 Horizontal Through-Hole Blade Fuse Clip
Subcategory: Blade Fuse Clip

3549 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3549 Features

  • Rated for 30A at 500V AC operation.
  • Horizontal through-hole PC pin mounting.
  • Tin-nickel plated brass contacts.
  • Nylon 4/6 insulator, UL 94V-0 rated.
  • Accepts miniature ATM blade fuses.

3549 Applications

  • Used in automotive fuse holder assemblies.
  • Suitable for PCB circuit protection applications.
  • Ideal for low-profile fuse mounting designs.
  • Compatible with Littelfuse and Bussmann mini fuses.

3549 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the Keystone 3549 fuse clip?

30 A at 500V AC.

What voltage is the 3549 rated for?

500V AC.

What type of fuse does the 3549 accept?

Miniature (ATM) blade fuses with dimensions 0.433" L x 0.152" W (11.00mm x 3.85mm).

What is the mounting style of the 3549?

Through-hole with PC pin termination, horizontal orientation.

What is the operating temperature range?

-50°C to +145°C (-58°F to +292°F).

What is the contact material and finish?

Brass with tin-nickel plating.

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