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RXEF030-2 RXEF030-2 is a polymeric PTC resettable fuse from Littelfuse Inc. rated for 72V maximum voltage and 300mA hold current.
Mfr Part #:

RXEF030-2

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
RXEF030-2 is a polymeric PTC resettable fuse from Littelfuse Inc. rated for 72V maximum voltage and 300mA hold current.
Total Stock: 15,001 pcs
$ Price Range: $0.19 - $0.52

RXEF030-2 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
15,000 pcs
15000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Non-Authorised Inventory information
1 pcs
1 pcs On Request 1 On Request On Request On Request On Request On Request

RXEF030-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Height
Lead Spacing
Lead Style
Mounting Type
Resistance
Tape & Reel
Time to Trip
Type
Voltage

RXEF030-2 Description

Short technical summary and product information.

The RXEF030-2 is a polymeric PTC resettable fuse manufactured by Littelfuse Inc. It is designed for overcurrent protection in electronic circuits, automatically resetting after the fault is cleared. The device has a maximum voltage rating of 72V and a hold current of 300mA, with a maximum initial resistance of 2.1Ω. The time to trip is 3 seconds at specified conditions.

 

This component is housed in a radial disc package with a lead spacing of 5.08mm (0.200"). The dimensions are 7.40mm diameter by 3.00mm thickness, with a maximum seated height of 12.70mm. It is intended for through-hole mounting, making it suitable for PCB assembly in various electronic equipment.

RXEF030-2 Quick Information

Product Type: PTC Resettable Fuse
Series: RXEF
Canonical Name: RXEF030-2 PTC Resettable Fuse
Subcategory: PTC Resettable Fuses

RXEF030-2 Compliance

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

RXEF030-2 Estimated Pricing

Qty Low High
1+ $0.52 $0.52
10+ $0.45 $0.45
50+ $0.39 $0.39
100+ $0.36 $0.36
250+ $0.33 $0.33
500+ $0.30 $0.30
1,000+ $0.27 $0.27
3,000+ $0.21 $0.21
6,000+ $0.19 $0.19

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

RXEF030-2 Features

  • Polymeric PTC resettable overcurrent protection.
  • Rated for 72V maximum voltage operation.
  • 300mA hold current with 3s trip time.
  • Through-hole radial disc package.
  • 5.08mm lead spacing for PCB mounting.

RXEF030-2 Applications

  • Overcurrent protection in power supply circuits.
  • Used in telecommunications and networking equipment.
  • Suitable for battery pack protection applications.
  • Ideal for general electronic circuit protection.

RXEF030-2 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum voltage rating of the RXEF030-2?

The maximum voltage rating is 72V.

What is the hold current of the RXEF030-2?

The hold current is 300 mA maximum.

What is the maximum initial resistance of the RXEF030-2?

The maximum initial resistance is 2.1 Ω.

What is the time to trip for the RXEF030-2?

The time to trip is 3 seconds.

What is the package type of the RXEF030-2?

The package is a radial disc with through-hole mounting and 5.08mm lead spacing.

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