MF-R400
Bourns Inc.
Bulk-40°C~85°CPolymeric
Ref. price$0.5200
Lead time on requestGet quote
Bourns Inc. MFR4 Series
8 variants · Bourns Inc.
About the Bourns Inc. MFR4 Series
The Bourns Inc. MFR4 Series series groups 8 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common case of Radial, Disc, current - hold (Ih) of 4 A and current - max of 40 A. Variants differ by approval agency, operating temperature and package, so you can match the exact approval agency your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Bourns Inc. MFR4 Series variants and discontinued ones from a single page.
Select a variant by
- Approval agency
- cUL, cURus, TUV, UL · cURus, TUV
- Operating temperature
- -40°C ~ 85°C · -40°C~85°C
- Package
- Bulk · Tape & Box (TB) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
- Ratings
- - · AEC-Q200
Shared specifications
- Case
- Radial, Disc
- Current - hold (Ih)
- 4 A
- Current - max
- 40 A
- Current - trip
- 8 A
- Height - seated
- 0.976\" (24.80mm)
- Lead spacing
- 0.201\" (5.10mm)
- Mounting
- Through Hole
- Resistance - initial (Ri)
- 10 mOhms
- Resistance - post trip (R1)
- 50 mOhms
- Size (Dimension)
- 0.567\" L x 0.118\" W (14.40mm x 3.00mm)
- Thickness
- -
- Time to trip
- 12.7 s
Variant comparison
| Parameter | MF-R400 | MF-R400-0-14 | MF-R400-0-99 | MF-R400-2-14 | MF-R400-2-99 | MF-R400-AP |
|---|---|---|---|---|---|---|
| Approval agency | cURus, TUV | cUL, cURus, TUV, UL | cURus, TUV | cURus, TUV | cURus, TUV | cURus, TUV |
| 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 |
| Package | Bulk | Bulk | Bulk | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR) Cut Tape (CT) | Tape & Box (TB) |
| Ratings | - | AEC-Q200 | - | - | - | - |
Request a quote on any Bourns Inc. MFR4 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
