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Littelfuse Inc. RUSBF075 Series

3 variants · Littelfuse Inc.

About the Littelfuse Inc. RUSBF075 Series

The Littelfuse Inc. RUSBF075 Series series groups 3 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 CSA, TUV, UL, case of Radial, Disc and current - hold (Ih) of 750 mA. Variants differ by lead spacing, operating temperature and package, so you can match the exact lead spacing your application requires using the selection guide below.

Select a variant by

Lead spacing
0.199\" (5.05mm) · 0.201\" (5.10mm)
Operating temperature
-40°C ~ 85°C · -40°C~85°C
Package
Cut Tape (CT); Tape & Box (TB) · Tape & Reel (TR) Cut Tape (CT)
Size (Dimension)
0.272\" Dia x 0.122\" T (6.90mm x 3.10mm) · 0.272\" L x 0.118\" W (6.90mm x 3.00mm)

Shared specifications

Approval agency
CSA, TUV, UL
Case
Radial, Disc
Current - hold (Ih)
750 mA
Current - max
40 A
Current - trip
1.3 A
Height - seated
0.449\" (11.40mm)
Mounting
Through Hole
Ratings
-
Resistance - initial (Ri)
110 mOhms
Resistance - post trip (R1)
230 mOhms
Thickness
-
Time to trip
400 ms

Variant comparison

ParameterRUSBF075-2RUSBF075-AP
Lead spacing0.199\" (5.05mm)0.201\" (5.10mm)
Operating temperature-40°C ~ 85°C-40°C~85°C
PackageTape & Reel (TR) Cut Tape (CT)Cut Tape (CT); Tape & Box (TB)
Size (Dimension)0.272\" L x 0.118\" W (6.90mm x 3.00mm)0.272\" Dia x 0.122\" T (6.90mm x 3.10mm)

Request a quote on any Littelfuse Inc. RUSBF075 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants