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3JS 350-R Bel Fuse 3JS 350-R is a 350mA 350VAC/140VDC slow blow glass cartridge fuse in a 5x15mm axial package.
Mfr Part #:

3JS 350-R

Available from 1 distributors
Mfr Name: Bel Fuse
Bel Fuse
Bel Fuse 3JS 350-R is a 350mA 350VAC/140VDC slow blow glass cartridge fuse in a 5x15mm axial package.
Total Stock: 500 pcs

3JS 350-R Available from 1 distributor

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3JS 350-R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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Breaking Capacity AC
Breaking Capacity DC
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3JS 350-R Description

Short technical summary and product information.

The Bel Fuse 3JS 350-R is a time-lag (slow blow) glass tube fuse designed for overcurrent protection in circuits with moderate inrush currents. It is rated for 350mA at 350VAC and 140VDC, with a breaking capacity of 100A AC and 150A DC. The fuse features a 5mm x 15mm glass body with nickel-plated brass caps and axial tin-lead plated copper leads. It is approved by CE, CSA, and cURus, and operates over a temperature range of -55°C to 125°C. The melting I²t is 0.8 A²s, indicating typical energy let-through. This fuse is suitable for use in power supplies, lighting, and industrial equipment where time-delay characteristics are required.

3JS 350-R Quick Information

Product Type: Fuse
Series: 3JS
Canonical Name: Bel Fuse 3JS 350-R 350mA 350VAC/140VDC Slow Blow Glass Cartridge Fuse
Subcategory: Cartridge Fuses

3JS 350-R Compliance

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

3JS 350-R Features

  • Slow blow time-lag response for inrush currents.
  • Rated 350mA at 350VAC and 140VDC.
  • Breaking capacity 100A AC and 150A DC.
  • Glass body with nickel-plated brass caps.
  • Axial through-hole mounting.

3JS 350-R Applications

  • Used in power supply input protection.
  • Suitable for lighting ballasts and drivers.
  • Ideal for industrial control circuits.
  • Protects against overloads in consumer electronics.

3JS 350-R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 3JS 350-R?

The current rating is 350 mA.

What voltage ratings does this fuse have?

It is rated for 350 VAC and 140 VDC.

What is the breaking capacity of this fuse?

The breaking capacity is 100 A AC and 150 A DC.

Is this a fast-acting or slow-blow fuse?

It is a slow blow (time-lag) fuse.

What is the package size and mounting type?

It is a 5mm x 15mm glass tube with axial leads for through-hole mounting.

What approvals does the 3JS 350-R have?

It is approved by CE, CSA, and cURus.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

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