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RUEF185-2 PTC resettable fuse rated for 30V and 1.85A hold current. Features 90mΩ initial resistance and 8.7s time to trip in a radial through-hole package.
Mfr Part #:

RUEF185-2

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
PTC resettable fuse rated for 30V and 1.85A hold current. Features 90mΩ initial resistance and 8.7s time to trip in a radial through-hole package.
Total Stock: 6,029 pcs
$ Price Range: $0.22 - $0.59

RUEF185-2 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
6,000 pcs
6000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Non-Authorised Inventory information
29 pcs
29 pcs On Request 1 On Request On Request On Request On Request On Request

RUEF185-2 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
Tape & Reel
Time to Trip
Type
Voltage
Width

RUEF185-2 Description

Short technical summary and product information.

The RUEF185-2 is a polymeric PTC resettable fuse from Littelfuse, designed for overcurrent protection. It has a hold current of 1.85A and a maximum voltage of 30V.

 

Electrical characteristics include an initial resistance of 90mΩ and a typical time to trip of 8.7 seconds. It operates over a temperature range of -40°C to 85°C.

 

The component is housed in a radial disc package with through-hole mounting, lead spacing of 5.05mm, and dimensions of 10.2mm x 3.0mm x 15.7mm. It is suitable for various circuit protection applications.

RUEF185-2 Quick Information

Product Type: PTC Resettable Fuse
Series: RUEF
Canonical Name: PTC Resettable Fuse, 30V, 1.85A, Radial, Through Hole
Subcategory: PTC Resettable Fuses

RUEF185-2 Compliance

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

RUEF185-2 Estimated Pricing

Qty Low High
1+ $0.59 $0.59
10+ $0.54 $0.54
50+ $0.45 $0.45
100+ $0.41 $0.41
250+ $0.37 $0.37
500+ $0.34 $0.34
1,000+ $0.32 $0.32
3,000+ $0.23 $0.23
6,000+ $0.22 $0.22

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

RUEF185-2 Features

  • 1.85A hold current for overcurrent protection.
  • 30V maximum voltage rating.
  • 90mΩ initial resistance for low loss.
  • 8.7s typical time to trip.
  • Radial through-hole package for easy mounting.

RUEF185-2 Applications

  • Overcurrent protection for low-voltage circuits.
  • Resettable fuse for power management.
  • Suitable for battery and charger protection.

RUEF185-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the RUEF185-2?

1.85 A.

What is the maximum voltage rating?

30 V.

What is the initial resistance?

90 mΩ.

What is the time to trip?

8.7 s.

What is the operating temperature range?

-40°C to 85°C.

What is the package type?

Radial, Disc with through-hole mounting and 5.05mm lead spacing.

Is the RUEF185-2 RoHS compliant?

Yes, RoHS3 compliant (unverified).

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