MF-R300
Bourns Inc.
BulkPolymericMultifuse®, MF-R
Ref. price$0.5100
Lead time on requestGet quote
Bourns Inc. MFR3 Series
6 variants · Bourns Inc.
About the Bourns Inc. MFR3 Series
The Bourns Inc. MFR3 Series series groups 6 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 current - hold (Ih) of 3 A. Variants differ by package, so you can match the exact package your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Bourns Inc. MFR3 Series variants and discontinued ones from a single page.
Select a variant by
- Package
- Bulk · Cut Tape (CT); Tape & Box (TB) · Tape & Reel (TR) · Tape & Reel (TR); Cut Tape (CT)
Shared specifications
- Approval agency
- cURus, TUV
- Case
- Radial, Disc
- Current - hold (Ih)
- 3 A
- Current - max
- 40 A
- Current - trip
- 6 A
- Height - seated
- 0.720\" (18.30mm)
- Lead spacing
- 0.201\" (5.10mm)
- Mounting
- Through Hole
- Operating temperature
- -40°C~85°C
- Ratings
- -
- Resistance - initial (Ri)
- 20 mOhms
- Resistance - post trip (R1)
- 80 mOhms
Variant comparison
| Parameter | MF-R300 | MF-R300-0-99 | MF-R300-2-14 | MF-R300-2-99 | MF-R300-AP |
|---|---|---|---|---|---|
| Package | Bulk | Bulk | Tape & Reel (TR) | Tape & Reel (TR); Cut Tape (CT) | Cut Tape (CT); Tape & Box (TB) |
Request a quote on any Bourns Inc. MFR3 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.