RUEF500-2 The Littelfuse Inc. RUEF500-2 is a polymeric PTC resettable fuse designed for circuit protection. It features a 30V voltage rating and a 5A current rating.
Mfr Part #:

RUEF500-2

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. RUEF500-2 is a polymeric PTC resettable fuse designed for circuit protection. It features a 30V voltage rating and a 5A current rating.
✓ Total Stock: 1,936 pcs
$ Price Range: $0.99

RUEF500-2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,936 pcs
1936 pcs On Request 1 On Request On Request 1925+ On Request On Request

RUEF500-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Height
Lead Spacing
Length
Mounting Type
Operating Temperature
Resistance
Time to Trip
Type
Voltage
Width

RUEF500-2 Description

Short technical summary and product information.

The Littelfuse Inc. RUEF500-2 is a polymeric Positive Temperature Coefficient (PTC) resettable fuse. It is designed to protect circuits from overcurrent conditions and can be reset after tripping.

 

Key electrical specifications include a maximum voltage rating of 30V and a continuous current rating of 5A. The fuse has a low initial resistance of 50 mΩ and a time to trip of 14.5 seconds. It operates within a temperature range of -40°C to 85°C.

 

This component features a radial, disc package with a lead spacing of 10.15mm, suitable for through-hole mounting. Its dimensions are 14.00mm in length, 3.00mm in width, and 24.10mm in height.

 

The RUEF500-2 is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

RUEF500-2 Quick Information

Product Type: PTC Resettable Fuse
Canonical Name: Littelfuse Inc. RUEF500-2 Polymeric PTC Resettable Fuse, 30V, 5A
Subcategory: PTC Resettable Fuses

RUEF500-2 Compliance

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

RUEF500-2 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

RUEF500-2 Features

  • Polymeric PTC resettable fuse type.
  • Rated for 30V maximum voltage.
  • Continuous current rating of 5A.
  • Low 50 mOhm resistance.
  • Radial, through-hole package.

RUEF500-2 Applications

  • Protects battery packs from dangerous overcurrent events.
  • Safeguards USB interfaces against short circuit faults.
  • Provides reusable protection for motor drive circuits.
  • Filters transient overcurrent spikes in control systems.
  • Replaces disposable fuses in compact electronic designs.

RUEF500-2 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the RUEF500-2?

The RUEF500-2 has a voltage rating of 30V.

What is the current rating of the RUEF500-2?

The RUEF500-2 has a current rating of 5A.

What is the resistance of the RUEF500-2?

The RUEF500-2 has a resistance of 50 mOhm.

What is the operating temperature range for the RUEF500-2?

The operating temperature range for the RUEF500-2 is -40°C to 85°C.

How is the RUEF500-2 mounted?

The RUEF500-2 is designed for through-hole mounting.

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