MF-RG500-2 is out of stock and can be placed on backorder.
Available Substitutes:

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Littelfuse Inc.
In Stock: 0
Unit Price: $0.64000
Datasheet

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Littelfuse Inc.
In Stock: 0
Unit Price: $0.70000
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Eaton - Electronics Division
In Stock: 0
Unit Price: $0.39713
Datasheet
Polymeric PTC Resettable Fuse 16V 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 16V 5 A Ih Through Hole Radial, Disc
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-RG500-2

DigiKey Part Number
118-MF-RG500-2TR-ND - Tape & Reel (TR)
118-MF-RG500-2CT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Part Number
MF-RG500-2
Description
PTC RESET FUSE 16V 5A RADIAL
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 16V 5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
EDA/CAD Models
MF-RG500-2 Models
Product Attributes
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Category
Time to Trip
2 s
Manufacturer
Bourns Inc.
Resistance - Initial (Ri) (Min)
15 mOhms
Series
Resistance - Post Trip (R1) (Max)
34 mOhms
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
16V
Size / Dimension
0.409" L x 0.118" W (10.40mm x 3.00mm)
Current - Hold (Ih) (Max)
5 A
Height - Seated (Max)
0.563" (14.30mm)
Current - Trip (It)
8.5 A
Lead Spacing
0.201" (5.10mm)
Current - Max
100 A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RGEF300-2Littelfuse Inc.0RGEF300-2TR-ND$0.64000Similar
RGEF500Littelfuse Inc.0RGEF500-ND$0.70000Similar
PTR016V0500-TREaton - Electronics Division0283-PTR016V0500-TR-ND$0.39713Similar
In-Stock: 0
2,749 estimated in stock on 07-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.97000$0.97
5$0.94000$4.70
10$0.87900$8.79
50$0.72720$36.36
100$0.60600$60.60
250$0.59084$147.71
500$0.49996$249.98
1,000$0.43935$439.35
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.42344$1,270.32
6,000$0.38979$2,338.74
9,000$0.37500$3,375.00
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