Circuit Protection  >  PTC Resettable Fuses

Bourns - MF-R300

MF-R300 - Bourns

PTC Resettable Fuse 3A (hold) 6A (trip) 30 Volt 40A 2 Watt 10.8s 0.02 Ohm Radial 12 X 3 X 18.3 mm Bulk

 Datasheets

Technical Details

Ambient Temperature Range High 85°C
Approvals CSA, TUV, UL
Body Material Polymer
Case/Package Radial
China RoHS Compliant
Contact Plating Tin
Current Rating 40A
Export Control Classification Number (ECCN) Code EAR99
Flammability Rating UL94 V-0
Height 18.3mm
Hold Current 3A
Harmonized Tariff Schedule (HTS) Code 8533.40.80.70
Introduction Date 1996-09-25
Lead Diameter 810µm
Lead Free Lead Free
Lead Length 7.6mm
Lead Pitch 5.1mm
Length 12mm
Lifecycle Status Production
Max Current Rating 40A
Max Operating Temperature 85°C
Max Power Dissipation 2W
Min Operating Temperature -40°C
Mount PCB, Through Hole
Number of Terminals 2
Operating Supply Voltage 30V
Packaging Bulk
Power Dissipation 2W
Radiation Hardening No
REACH SVHC Yes
Resistance 20mΩ
RoHS Compliant
Schedule B 8536100040, 8536100040|8536100040, 8536100040|8536100040|8536100040, 8536100040|8536100040|8536100040|8536100040
Terminal Pitch 5.1mm
Termination Radial
Thickness 3mm
Time to Trip 10.8s
Trip Current 6A
Voltage Rating 30V
Voltage Rating (AC) 30V
Voltage Rating (DC) 30V
Width 3mm
Wire/Cable Diameter 810µm
Working Voltage 30V

Compliance

   RoHS : Unconfirmed
   Radiation Hardening : No
   REACH SVHC : Yes

Images

Bourns MF-R300 | RS

RS

Datasheets

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 RS 
 Farnell 

Lifecycle Status Indicator

   Production
Symbol
Footprint

Alternatives (Possible Substitutes)

Manufacturer Manufacturer Part No. Lifecycle Status Indicator Confidence
Bourns
MF-R300-2-99
Obsolete
Bourns
MF-R300-AP
Production
Bourns
MF-R300-2
Production
Bourns
MF-R300-0-99
Obsolete
Bourns
MF-R300-0
Production
Bourns
MF-R300-2-14
Production
Bourns
MF-R300-AP-99
Obsolete
Bourns
MF-R300-0-14
Production
Schurter
PFRA.250.2
Production
Bourns
MF-R250-0-99
Obsolete

See more alternatives See less alternatives

Authorized Distributors

Distributor SKU Stock USD 1 10 50 100 1000 10000 Buy
RS
6478572
DE: 2860
 $ 0.4179 0.4179 0.4068 0.3957 0.3748
 Historical Pricing  Historical Stock Levels
Quantity
Location
RS
6478572P
DE: 798
 $ 0.4068 0.3957 0.3748
 Historical Pricing  Historical Stock Levels
Quantity
Location
Farnell
9350519
DE: 953
 $ 0.641 0.5646 0.5646 0.4475 0.3871
 Historical Pricing  Historical Stock Levels
Quantity
Location
Farnell
2132373
DE: 489
 $ 0.5732 0.5227 0.4339 0.4006 0.3476 0.3476
 Historical Pricing  Historical Stock Levels
Quantity
Location
Chip One Stop
MF-R300
JP: 1919
 $ 0.438 0.363 0.335 0.269 40.60
 Historical Pricing  Historical Stock Levels
Quantity
Location
Onlinecomponents.com
MF-R300
US: 2495
 $ 0.4076 0.4076 0.2189 0.1922
 Historical Pricing  Historical Stock Levels
Quantity
Location
Avnet
MF-R300
US: 6551
 $ 0.3432 0.3108 0.30 0.30 0.30 0.30
 Historical Pricing  Historical Stock Levels
Quantity
Location
Avnet
58K1843
US: 489
 $ 0.552 0.52 0.446 0.418 0.373 0.373
 Historical Pricing  Historical Stock Levels
Quantity
Location
Arrow Electronics
MF-R300
US: 3000
 $ 0.2126
 Historical Pricing  Historical Stock Levels
Quantity
Location
Verical
MF-R300
US: 3000
 $ 0.2153
 Historical Pricing  Historical Stock Levels
Quantity
Location
Verical
MF-R300
US: 2490
 $ 0.32 0.31
 Historical Pricing  Historical Stock Levels
Quantity
Location
Verical
MF-R300
US: 1919
 $ 0.438 0.332 0.332
 Historical Pricing  Historical Stock Levels
Quantity
Location
Master Electronics
MF-R300
US: 2495
 $ 0.4076 0.4076 0.2189 0.1922
 Historical Pricing  Historical Stock Levels
Quantity
Location
TME
MF-R300
PL: 2513
 $ 0.4191 0.3797 0.3365 0.3193 0.2959 0.2959
 Historical Pricing  Historical Stock Levels
Quantity
Location
DigiKey
MF-R300-ND
DE: 15843
 $ 0.604 0.604 0.3841 0.3545 0.2712 0.2242
 Historical Pricing  Historical Stock Levels
Quantity
Location
TTI
MF-R300
US: 450
 $ 0.359 0.336 0.249 0.198
 Historical Pricing  Historical Stock Levels
Quantity
Location
Avnet Abacus
MF-R300
EU: 45000
 $
 Historical Pricing  Historical Stock Levels
Quantity
Location
PUI
MF-R300
US: 0
 $
 Historical Pricing  Historical Stock Levels
Quantity
Location
TTI Europe
MF-R300
DE: 20000
 $ 0.2712 0.2601
 Historical Pricing  Historical Stock Levels
Quantity
Location
TTI Asia
MF-R300
SG: -3
 $ 0.30 0.30
 Historical Pricing  Historical Stock Levels
Quantity
Location
Anglia
MF-R300
GB: 5300
 $ 0.3933 0.3933 0.3933 0.2245 0.2245
 Historical Pricing  Historical Stock Levels
Quantity
Location
Mouser
652-MFR300
US: 7717
 $ 0.48 0.435 0.364 0.336 0.252 0.215
 Historical Pricing  Historical Stock Levels
Quantity
Location
Newark
MF-R300.
US: 0
 $ 0.563 0.53 0.446 0.418 0.373 0.373
 Historical Pricing  Historical Stock Levels
Quantity
Location
Newark
MF-R300
US: 0
 $ 0.825 0.701 0.629 0.496 0.464
 Historical Pricing  Historical Stock Levels
Quantity
Location

Non-Authorized Distributors

Distributor SKU Stock USD 1 10 50 100 1000 10000 Buy
Component Stockers USA
MF-R300
US: 54439
 $ 0.28 0.28 0.28 0.28 0.22 0.27
 Historical Pricing  Historical Stock Levels
Quantity
Location
Win Source
228246-MF-R300
CN: 11030
 $ 0.1495 0.1214
 Historical Pricing  Historical Stock Levels
Quantity
Location
Worldway Electronics
MF-R300
HK: 42379
 $ 0.0969 0.0969 0.0923 0.0923 0.0923
 Historical Pricing  Historical Stock Levels
Quantity
Location
LCSC
C208487
CN: 3275
 $ 0.2401 0.1977 0.1977 0.1405 0.1244
 Historical Pricing  Historical Stock Levels
Quantity
Location
Chipsmall Limited
MF-R300
CN: 34500
 $ 0.2544 0.1696 0.1696 0.1018 0.0848 0.0848
 Historical Pricing  Historical Stock Levels
Quantity
Location
Bettlink
MF-R300
HK: 17686
 $ 0.4845 0.4213 0.4213 0.3762 0.3516 0.3159
 Historical Pricing  Historical Stock Levels
Quantity
Location
Quest
MF-R300
US: 90
 $ 0.4431 0.4431 0.3693 0.2954 0.2954 0.2954
 Historical Pricing  Historical Stock Levels
Quantity
Location
Classic Components
MF-R300
US: 8
 $
 Historical Pricing  Historical Stock Levels
Quantity
Location
XingHuan International
MF-R300
CN: 60000
 $
 Historical Pricing  Historical Stock Levels
Quantity
Location
Abacus Technologies
MF-R300
US: 30653
 $
 Historical Pricing  Historical Stock Levels
Quantity
Location
Rotakorn
205668
SE: 307
 $
 Historical Pricing  Historical Stock Levels
Quantity
Location
Voyager Components
MF-R300-BOURNS-72+
US: 286
 $ 0.288 0.288 0.2226 0.2226 0.131 0.131
 Historical Pricing  Historical Stock Levels
Quantity
Location
Voyager Components
MF-R300-BOURNS-8250
US: 213
 $ 0.288 0.288 0.2226 0.1964 0.131 0.131
 Historical Pricing  Historical Stock Levels
Quantity
Location
JRH Electronics
MF-R300
US: 2500
 $ 0.3251 0.32
 Historical Pricing  Historical Stock Levels
Quantity
Location
NAC Semi
MF-R300
US: 48000
 $ 0.3427
 Historical Pricing  Historical Stock Levels
Quantity
Location

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