Have a small number of parts or want to add parts manually? Request Quote manually

Search across all market segments

RXEF185-1 RXEF185-1 is a polymeric PTC resettable fuse from Littelfuse Inc. rated for 72V maximum voltage and 1.85A hold current.
Mfr Part #:

RXEF185-1

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
RXEF185-1 is a polymeric PTC resettable fuse from Littelfuse Inc. rated for 72V maximum voltage and 1.85A hold current.
Total Stock: 60,160 pcs
$ Price Range: $0.31 - $0.59

RXEF185-1 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
30,080 pcs
30080 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
30,080 pcs
30080 pcs On Request 1 On Request On Request On Request On Request On Request

RXEF185-1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Current
Halogen Free
Height
Industrial Grade
Lead Spacing
Lead Style
Maximum Fault Current (IMAX)
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power Dissipation (PD)
Resistance
Resistance (R1max)
Resistance (Rmin)
Size
Tape & Reel
Time to Trip
Trip Current (IT)
Type
Voltage

RXEF185-1 Description

Short technical summary and product information.

The RXEF185-1 is a polymeric positive temperature coefficient (PTC) resettable fuse manufactured by Littelfuse Inc. It is designed for overcurrent protection in electronic circuits, automatically resetting after the fault is cleared.

 

Key electrical specifications include a hold current of 1.85 A at 20°C still air, a minimum trip current of 3.7 A, and a maximum voltage rating of 72 V. The device can withstand fault currents up to 40 A and has a typical power dissipation of 1.0 W in the tripped state. The maximum time to trip is 12.6 seconds.

 

The RXEF185-1 is housed in a radial leaded disc package with a diameter of 17.50 mm and a thickness of 3.00 mm. It features through-hole mounting with a lead spacing of 5.05 mm and a seated height of 22.40 mm. The operating temperature range is -40°C to 85°C.

RXEF185-1 Quick Information

Product Type: PTC Resettable Fuse
Series: RXEF
Canonical Name: RXEF185-1 PTC Resettable Fuse
Subcategory: Polymeric PTC

RXEF185-1 Compliance

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

RXEF185-1 Estimated Pricing

Qty Low High
1+ $0.59 $0.59
10+ $0.55 $0.55
50+ $0.45 $0.45
100+ $0.42 $0.42
250+ $0.38 $0.38
500+ $0.35 $0.35
1,000+ $0.32 $0.32
5,000+ $0.31 $0.31

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

RXEF185-1 Features

  • Hold current of 1.85 A at 20°C.
  • Maximum voltage rating of 72 V.
  • Radial through-hole disc package.
  • Operating temperature range -40°C to 85°C.
  • Polymeric PTC resettable fuse technology.

RXEF185-1 Applications

  • Overcurrent protection in power supplies.
  • Protection for battery charging circuits.
  • Used in industrial control equipment.
  • Suitable for automotive electronics applications.

RXEF185-1 FAQs

2 frequently asked questions generated from this part’s specifications.
What is the hold current of the RXEF185-1?

The hold current is 1.85 A at 20°C still air.

What is the maximum voltage rating for the RXEF185-1?

The maximum voltage is 72 V.

Home
Categories
Submit RFQ
Login
Account

Categories