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Littelfuse Inc. RXEF Series

99 variants · Littelfuse Inc.

About the Littelfuse Inc. RXEF Series

The Littelfuse Inc. RXEF Series series groups 99 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common approval agency of CQC, CSA, TUV, UL, case of Radial, Disc and current - max of 40 A. Variants differ by current - hold (Ih), current - trip and height - seated, so you can match the exact current - hold (Ih) your application requires using the selection guide below.

Select a variant by

Current - hold (Ih)
50 mA · 100 mA · 170 mA · 200 mA
Current - trip
100 mA · 200 mA · 340 mA · 400 mA
Height - seated
0.327\" (8.30mm) · 0.441\" (11.20mm) · 0.457\" (11.60mm) · 0.461\" (11.70mm) · 0.500\" (12.70mm)
Operating temperature
-40°C ~ 85°C · -40°C~85°C
Package
Bag · Bag; Bag · Cut Tape (CT) Tape & Box (TB) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR) Tape & Reel (TR) Cut Tape (CT)
Resistance - initial (Ri)
1.83 Ohms · 2.5 Ohms · 3.3 Ohms · 7.3 Ohms
Resistance - post trip (R1)
4.4 Ohms · 7.5 Ohms · 8 Ohms · 20 Ohms
Size (Dimension)
0.291\" Dia x 0.118\" T (7.40mm x 3.00mm) · 0.315\" Dia x 0.118\" T (8.00mm x 3.00mm)

Shared specifications

Approval agency
CQC, CSA, TUV, UL
Case
Radial, Disc
Current - max
40 A
Lead spacing
0.199\" (5.05mm)
Mounting
Through Hole
Ratings
-
Thickness
-
Type
Polymeric

Variant comparison

ParameterRXEF005RXEF005-2RXEF010RXEF010-1RXEF010-2RXEF010-AP
Current - hold (Ih)50 mA50 mA100 mA100 mA100 mA100 mA
Current - trip100 mA100 mA200 mA200 mA200 mA200 mA
Height - seated0.327\" (8.30mm)0.327\" (8.30mm)0.457\" (11.60mm)0.457\" (11.60mm)0.457\" (11.60mm)0.457\" (11.60mm)
Operating temperature-40°C~85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C
PackageBagTape & Reel (TR) Cut Tape (CT)BagBagTape & Reel (TR) Cut Tape (CT)Cut Tape (CT) Tape & Box (TB)
Resistance - initial (Ri)7.3 Ohms7.3 Ohms2.5 Ohms2.5 Ohms2.5 Ohms2.5 Ohms
Resistance - post trip (R1)20 Ohms20 Ohms7.5 Ohms7.5 Ohms7.5 Ohms7.5 Ohms
Size (Dimension)0.315\" Dia x 0.118\" T (8.00mm x 3.00mm)0.315\" Dia x 0.118\" T (8.00mm x 3.00mm)0.291\" Dia x 0.118\" T (7.40mm x 3.00mm)0.291\" Dia x 0.118\" T (7.40mm x 3.00mm)0.291\" Dia x 0.118\" T (7.40mm x 3.00mm)0.291\" Dia x 0.118\" T (7.40mm x 3.00mm)

Request a quote on any Littelfuse Inc. RXEF Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants