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RXEF030 PTC reset fuse from Littelfuse with 300mA hold current, 72V max voltage, radial disc package.
Mfr Part #:

RXEF030

Available from 4 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
PTC reset fuse from Littelfuse with 300mA hold current, 72V max voltage, radial disc package.
Total Stock: 12,062 pcs
$ Price Range: $0.18 - $0.41

RXEF030 Available from 4 distributors

Authorised
Non-Authorised

RXEF030 Specifications Quick View

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

RXEF030 Description

Short technical summary and product information.

The Littelfuse RXEF030 is a polymeric PTC resettable fuse designed for overcurrent protection. It features a hold current of 300 mA and a maximum voltage rating of 72V. The initial resistance is 2.1 Ω, and the time to trip is 3 seconds. This component is through hole mounted in a radial disc package with a lead spacing of 5.08 mm. The dimensions are 7.40 mm diameter by 3.00 mm thickness, with a maximum seated height of 12.70 mm. It operates over a temperature range of -40°C to 85°C. The RXEF030 is RoHS3 compliant, REACH unaffected, and has an MSL of 1 (unlimited).

RXEF030 Quick Information

Product Type: PTC Resettable Fuse
Series: RXEF
Canonical Name: Littelfuse RXEF030 PTC Resettable Fuse, 72V, 300mA, Through Hole, Radial Disc
Subcategory: Radial Disc PTC Resettable Fuse

RXEF030 Compliance

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

RXEF030 Estimated Pricing

Qty Low High
1+ $0.41 $0.41
10+ $0.38 $0.38
50+ $0.29 $0.29
100+ $0.25 $0.25
250+ $0.24 $0.24
500+ $0.22 $0.22
1,000+ $0.18 $0.18

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

RXEF030 Features

  • 300mA hold current rating.
  • 72V maximum voltage rating.
  • Polymeric PTC resettable technology.
  • Through hole radial disc package.
  • Fast 3 second trip time.

RXEF030 Applications

  • Overcurrent protection for power supplies.
  • Used in telecommunications equipment.
  • Ideal for battery charging circuits.
  • Protects motors and transformers.

RXEF030 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current of the RXEF030?

300 mA.

What is the maximum voltage rating?

72V.

What is the time to trip?

3 seconds.

What is the package type?

Radial, Disc through hole package.

What is the operating temperature range?

-40°C to 85°C.

What is the initial resistance?

2.1 Ω.

What is the lead spacing?

5.08 mm.

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