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Bourns Inc. MFRM0 Series

16 variants · Bourns Inc.

About the Bourns Inc. MFRM0 Series

The Bourns Inc. MFRM0 Series series groups 16 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 cURus, TUV, case of Radial, Disc and lead spacing of 0.114\" (2.90mm). Variants differ by current - hold (Ih), current - max and current - trip, 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 · 80 mA · 120 mA · 160 mA · 250 mA · 330 mA · 400 mA · 550 mA
Current - max
1 A · 1.2 A · 2 A · 3.5 A · 4.5 A · 5.5 A · 7 A
Current - trip
1.25 A · 120 mA · 190 mA · 300 mA · 370 mA · 560 mA · 740 mA · 900 mA
Height - seated
0.508\" (12.90mm) · 0.543\" (13.80mm) · 0.787\" (20.00mm) · 0.823\" (20.90mm) · 0.882\" (22.40mm)
Package
Bulk · Tape & Reel (TR); Cut Tape (CT)
Resistance - initial (Ri)
1.3 Ohms · 2.5 Ohms · 3 Ohms · 7.4 Ohms · 18.5 Ohms · 450 mOhms · 600 mOhms · 770 mOhms
Resistance - post trip (R1)
1.45 Ohms · 1.9 Ohms · 2.6 Ohms · 3.8 Ohms · 7.8 Ohms · 12 Ohms · 26 Ohms · 65 Ohms
Size (Dimension)
0.327\" Dia x 0.150\" T (8.30mm x 3.80mm) · 0.390\" Dia x 0.150\" T (9.90mm x 3.80mm) · 0.394\" L x 0.150\" W (10.00mm x 3.80mm) · 0.449\" L x 0.150\" W (11.40mm x 3.80mm) · 0.453\" L x 0.150\" W (11.50mm x 3.80mm) · 0.551\" L x 0.161\" W (14.00mm x 4.10mm)

Shared specifications

Approval agency
cURus, TUV
Case
Radial, Disc
Lead spacing
0.114\" (2.90mm)
Mounting
Through Hole
Operating temperature
-20°C~85°C
Ratings
-
Thickness
-
Type
Polymeric
Voltage - max
240V (265V Int)

Variant comparison

ParameterMF-RM005/240-0MF-RM008/240-0MF-RM012/240-0MF-RM016/240-0MF-RM025/240-0MF-RM025/240-2
Current - hold (Ih)50 mA80 mA120 mA160 mA250 mA250 mA
Current - max1 A1.2 A1.2 A2 A3.5 A3.5 A
Current - trip120 mA190 mA300 mA370 mA560 mA560 mA
Height - seated0.508\" (12.90mm)0.508\" (12.90mm)0.508\" (12.90mm)0.543\" (13.80mm)0.787\" (20.00mm)0.787\" (20.00mm)
PackageBulkBulkBulkBulkBulkTape & Reel (TR); Cut Tape (CT)
Resistance - initial (Ri)18.5 Ohms7.4 Ohms3 Ohms2.5 Ohms1.3 Ohms1.3 Ohms
Resistance - post trip (R1)65 Ohms26 Ohms12 Ohms7.8 Ohms3.8 Ohms3.8 Ohms
Size (Dimension)0.327\" Dia x 0.150\" T (8.30mm x 3.80mm)0.327\" Dia x 0.150\" T (8.30mm x 3.80mm)0.327\" Dia x 0.150\" T (8.30mm x 3.80mm)0.390\" Dia x 0.150\" T (9.90mm x 3.80mm)0.394\" L x 0.150\" W (10.00mm x 3.80mm)0.394\" L x 0.150\" W (10.00mm x 3.80mm)

Request a quote on any Bourns Inc. MFRM0 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants