Polymeric PTC Resettable Fuse 30V 4.2 A Ih User Defined Strap
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Polymeric PTC Resettable Fuse 30V 4.2 A Ih User Defined Strap
Basics of NTC and PTC Thermistors - Another Teaching Moment

MF-S420

DigiKey Part Number
MF-S420-ND
Manufacturer
Manufacturer Product Number
MF-S420
Description
PTC RESET FUSE 30V 4.2A STRAP
Manufacturer Standard Lead Time
14 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 4.2 A Ih User Defined Strap
Datasheet
 Datasheet
EDA/CAD Models
MF-S420 Models
Product Attributes
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Category
Time to Trip
6 s
Manufacturer
Bourns Inc.
Resistance - Initial (Ri) (Min)
12 mOhms
Series
Resistance - Post Trip (R1) (Max)
40 mOhms
Packaging
Bulk
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
User Defined
Type
Polymeric
Package / Case
Strap
Voltage - Max
30V
Size / Dimension
1.240" L x 0.522" W (31.50mm x 13.25mm)
Current - Hold (Ih) (Max)
4.2 A
Thickness (Max)
0.043" (1.10mm)
Current - Trip (It)
7.6 A
Approval Agency
cURus, TUV
Current - Max
100 A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SRP420FLittelfuse Inc.17,392SRP420F-ND$1.17000Direct
SRP350FLittelfuse Inc.39,937SRP350F-ND$0.92000Similar
In-Stock: 24,219
Check for Additional Incoming Stock
Non-Cancelable/Non-Returnable
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.92000$0.92
5$0.76600$3.83
10$0.70700$7.07
50$0.58620$29.31
100$0.54090$54.09
250$0.48624$121.56
500$0.44842$224.21
1,000$0.41342$413.42
5,000$0.36960$1,848.00
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