Bourns MF-R185
PTC Resettable Fuse 1.85A (hold) 3.7A (trip) 30 Volt 40A 1 Watt 8.7s 0.04 Ohm Radial 12 X 3 mm Bulk
$ 0.318
Production
Inventory History
3 month trend: -14.56%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.318
$ 0.275
$ 0.275
Stock
363,046
402,434
402,434
Authorized Distributors
6
6
6
Hold Current
1.85 A
1.85 A
1.85 A
Trip Current
3.7 A
3.7 A
3.7 A
Max Voltage Rating (DC)
-
-
-
Max Current Rating
40 A
40 A
40 A
Resistance
40 mΩ
40 mΩ
40 mΩ
Time to Trip
8.7 s
8.7 s
8.7 s
Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8533.40.80.70
Introduction Date1996-07-10
Lifecycle StatusProduction (Last Updated: 1 month ago)
Related Parts
BournsMF-R185-2-99
PTC Resettable Fuse 1.85A(hold) 3.7A(trip) 30V 40A 1W 8.7s 0.04Ohm Radial 12 X 3mm T/R
Bel Fuse0ZRB0185FF1E
Radial Resettable Fuse, PPTC, 0ZRB, 30 VDC, 1.85 A, 3.7 A, 8.7 s, Rectangular
Descriptions
Descriptions of Bourns MF-R185 provided by its distributors.
PTC Resettable Fuse 1.85A (hold) 3.7A (trip) 30 Volt 40A 1 Watt 8.7s 0.04 Ohm Radial 12 X 3 mm Bulk
PTC Resettable Fuse 1.85A(hold) 3.7A(trip) 30V 40A 1W 8.7s 0.04Ohm Radial 12 X 3mm Bulk Automotive
Bourns Resettable fuse (PTC), 30V, 3.7A, hold_current1.85A
FUSE, RESETTABLE, 40A, DIMS 0.472X0.118", RADIAL, 30VDC, DCR 0.04 OHMS, PCB
PTC Resettable Fuse, 0.04ohm, Through Hole Mount
Resettable Fuse, PPTC, MF-R, 30 VDC, 1.85 A, 3.7 A, 8.7 s, Round
PTC Resettable Fuse 40A 30V Bulk
Avnet Japan
FUSE PTC RESETTABLE 1.85A HOLD
FUSE, PTC RESET, 30V, 1.85A, RADIAL; Product Range: MF-R Series; Voltage Rating: 30VDC; Holding Current: 1.85A; Trip Current: 3.7A; Time to Trip: 8.7s; Fuse Shape: Round; Current Rating Max: 40A; Lead Spacing: 5.1mm; Diameter: 12
Trip Current A = 3.7 / Time to Trip Max. s = 8.7 / Wire Diameter mm = 0.5 / Passive Aging = 85°C @ 1000h, ±5% / Operating Temperature Max. °C = 85 / Operating Temperature Min. °C = -40 / Thermal Shock Max. °C = 85 / Resistance Min. mOhm = 40 / Voltage Rating V = 30 / Resistance Max. mOhm = 70 / Thermal Shock Min. °C = -40 / Humidity Aging = 85°C @ 1000 h, ±5 %
Manufacturer Aliases
Bourns has several brands around the world that distributors may use as alternate names. Bourns may also be known as the following names:
- Bourns Inc
- BOURN
- BNS
- BOU
- BOUR
- BOURNES
- TRIMPOT
- BRNS
- BRN
- POT
- Bourns Electronics
- BOUNS
- POWER INNOVATIONS
- BOURNS INC (VA)
- BOURNS AG
- Bourns Incorporated
- POWER INNOVA
- POWER INNOVATION
- BNS/B0007
- Bourns Electronics GmbH
- BOURNS INC TRIMPOT DIV
- bourns net
- BOURNS (MC)
- BOUNRS
- power inno
- Bourns Inc.
Inventory History
3 month trend: -14.56%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Body MaterialPolymer
Case/PackageRadial
Contact PlatingTin
MountPCB, Through Hole
Number of Terminals2
Technical
Current Rating40 A
Hold Current1.85 A
Max Current Rating40 A
Max Operating Temperature85 °C
Max Power Dissipation1 W
Min Operating Temperature-40 °C
Operating Supply Voltage30 V
PackagingBulk
Power Dissipation1 W
Resistance40 mΩ
Schedule B8536100040
TerminationRadial
Time to Trip8.7 s
Trip Current3.7 A
Voltage Rating30 V
Voltage Rating (AC)30 V
Voltage Rating (DC)30 V
Working Voltage30 V
Dimensions
Diameter12 mm
Height18.4 mm
Lead Diameter510 µm
Lead Length7.6 mm
Lead Pitch5.1 mm
Length12 mm
Terminal Pitch5.1 mm
Width3 mm
Wire/Cable Diameter510 µm
Compliance
Environmental Classification
ApprovalsCSA, TUV, UL
China RoHSCompliant
Flammability RatingUL94 V-0
Lead FreeLead Free
Radiation HardeningNo
RatingsTUV
REACH SVHCYes
RoHSCompliant
Compliance Statements