MF-R300 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 1,876
Unit Price: ¥188.00000
Datasheet

Direct


Eaton - Electronics Division
In Stock: 473
Unit Price: ¥100.00000
Datasheet

Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: ¥65.22600
Datasheet

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Bel Fuse Inc.
In Stock: 14
Unit Price: ¥90.00000
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Littelfuse Inc.
In Stock: 7,750
Unit Price: ¥183.00000
Datasheet

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Littelfuse Inc.
In Stock: 0
Unit Price: ¥386.00000
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Littelfuse Inc.
In Stock: 392
Unit Price: ¥103.00000
Datasheet
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-R300

DigiKey Part Number
MF-R300-ND
Manufacturer
Manufacturer Product Number
MF-R300
Description
PTC RESET FUSE 30V 3A RADIAL
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-R300 Models
Product Attributes
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Category
Resistance - Initial (Ri) (Min)
20 mOhms
Manufacturer
Bourns Inc.
Resistance - Post Trip (R1) (Max)
80 mOhms
Series
Operating Temperature
-40°C ~ 85°C
Packaging
Bulk
Mounting Type
Through Hole
Part Status
Active
Package / Case
Radial, Disc
Type
Polymeric
Size / Dimension
0.472" L x 0.118" W (12.00mm x 3.00mm)
Voltage - Max
30V
Height - Seated (Max)
0.720" (18.30mm)
Current - Hold (Ih) (Max)
3 A
Lead Spacing
0.201" (5.10mm)
Current - Trip (It)
6 A
Approval Agency
cURus, TUV
Current - Max
40 A
Base Product Number
Time to Trip
10.8 s
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
30R300UPRLittelfuse Inc.1,876F1983CT-ND¥188.00000Direct
PTR030V0300-BKEaton - Electronics Division473283-PTR030V0300-BK-ND¥100.00000Direct
PTR030V0300-TREaton - Electronics Division0283-PTR030V0300-TR-ND¥65.22600Direct
0ZRB0300FF1ABel Fuse Inc.145923-0ZRB0300FF1A-ND¥90.00000Similar
30R300UULittelfuse Inc.7,750F2026-ND¥183.00000Similar
In-Stock: 0
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All prices are in JPY
Bulk
QuantityUnit PriceExt Price
1¥100.00000¥100
5¥83.00000¥415
10¥76.60000¥766
50¥63.52000¥3,176
100¥58.61000¥5,861
250¥52.70000¥13,175
500¥48.61000¥24,305
1,000¥44.82400¥44,824
5,000¥37.06940¥185,347
Manufacturers Standard Package
Unit Price without JCT:¥100.00000
Unit Price with JCT:¥110.00000