MF-R500 is out of stock and can be placed on backorder.
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Bourns Inc.
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Unit Price: $0.43120
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Littelfuse Inc.
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Unit Price: $1.48000
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Littelfuse Inc.
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Unit Price: $1.38000
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Littelfuse Inc.
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Unit Price: $0.81000
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Eaton - Electronics Division
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Bel Fuse Inc.
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Polymeric PTC Resettable Fuse 30V 5 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 5 A Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-R500

DigiKey Part Number
MF-R500-ND
Manufacturer
Manufacturer Product Number
MF-R500
Description
PTC RESET FUSE 30V 5A RADIAL
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-R500 Models
Product Attributes
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Category
Time to Trip
14.5 s
Manufacturer
Bourns Inc.
Resistance - Initial (Ri) (Min)
10 mOhms
Series
Resistance - Post Trip (R1) (Max)
50 mOhms
Packaging
Bulk
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
30V
Size / Dimension
0.685" L x 0.118" W (17.40mm x 3.00mm)
Current - Hold (Ih) (Max)
5 A
Height - Seated (Max)
0.980" (24.90mm)
Current - Trip (It)
10 A
Lead Spacing
0.402" (10.20mm)
Current - Max
40 A
Approval Agency
cURus, TUV
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MF-R500-APBourns Inc.0MF-R500-AP-ND$0.43120Similar
30R500UFLittelfuse Inc.0F3000-ND$1.48000Direct
30R500UMRLittelfuse Inc.0F1985CT-ND$1.38000Direct
RUEF500Littelfuse Inc.0RUEF500-ND$0.81000Similar
PTR030V0500-TREaton - Electronics Division1,000283-PTR030V0500-TR-ND$0.84000Direct
In-Stock: 0
500 estimated in stock on 24-Dec-2026
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All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.63000$0.63
5$0.51800$2.59
10$0.47900$4.79
50$0.39700$19.85
100$0.36640$36.64
250$0.32936$82.34
500$0.30378$151.89
1,000$0.28012$280.12
5,000$0.23163$1,158.15
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.