Polymeric PTC Resettable Fuse 72V 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 72V 3 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF300K-2

DigiKey Part Number
RXEF300K-2HFTR-ND - Tape & Reel (TR)
RXEF300K-2HFCT-ND - Cut Tape (CT)
Manufacturer
Littelfuse Inc.
Manufacturer Product Number
RXEF300K-2
Description
PTC RESET FUSE 72V 3A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
PolySwitch®, RXEF
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Part Status
Active
Type
Polymeric
Voltage - Max
72V
Current - Hold (Ih) (Max)
3 A
Current - Trip (It)
6 A
Current - Max
40 A
Time to Trip
19.8 s
Resistance - Initial (Ri) (Min)
40 mOhms
Resistance - Post Trip (R1) (Max)
100 mOhms
Operating Temperature
-40°C ~ 85°C
Ratings
-
Mounting Type
Through Hole
Package / Case
Radial, Disc
Size / Dimension
0.910" Dia x 0.118" T (23.11mm x 3.00mm)
Height - Seated (Max)
1.154" (29.30mm)
Thickness (Max)
-
Lead Spacing
0.400" (10.15mm)
Approval Agency
CQC, CSA, TUV, UL
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 3,000
Check for Additional Incoming Stock
Quantity
All prices are in CHF
Cut Tape (CT)
QuantityUnit PriceExt Price
1Fr.0.98000Fr.0.98
5Fr.0.80800Fr.4.04
10Fr.0.74600Fr.7.46
50Fr.0.61880Fr.30.94
100Fr.0.57090Fr.57.09
250Fr.0.51312Fr.128.28
500Fr.0.47316Fr.236.58
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000Fr.0.39254Fr.392.54
2,000Fr.0.36166Fr.723.32
3,000Fr.0.34464Fr.1,033.92
5,000Fr.0.34340Fr.1,717.00
Manufacturers Standard Package
Unit Price without VAT:Fr.0.98000
Unit Price with VAT:Fr.1.05938