250R145ZR is out of stock and can be placed on backorder.
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250R145ZR
Littelfuse Inc.
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250R Series
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
250R Series
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

250R145ZR

DigiKey Part Number
F1976CT-ND - Cut Tape (CT)
F1976TB-ND - Tape & Box (TB)
Manufacturer
Littelfuse Inc.
Manufacturer Product Number
250R145ZR
Description
PTC RESET FUSE 60V 145MA RADIAL
Manufacturer Standard Lead Time
18 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V (250V Int) 145 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
POLY-FUSE®, 250R
Packaging
Cut Tape (CT)
Tape & Box (TB)
Part Status
Active
Type
Polymeric
Voltage - Max
60V (250V Int)
Current - Hold (Ih) (Max)
145 mA
Current - Trip (It)
290 mA
Current - Max
3 A
Time to Trip
2.5 s
Resistance - Initial (Ri) (Min)
3 Ohms
Resistance - Post Trip (R1) (Max)
14 Ohms
Operating Temperature
-40°C ~ 85°C
Ratings
-
Mounting Type
Through Hole
Package / Case
Radial, Disc
Size / Dimension
0.256" L x 0.181" W (6.50mm x 4.60mm)
Height - Seated (Max)
0.433" (11.00mm)
Thickness (Max)
-
Lead Spacing
0.201" (5.10mm)
Approval Agency
cURus, TUV
Product Questions and Answers

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Available To Order
Factory Stock: 14,400
Check Lead Time
Quantity
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.99000$0.99
5$0.82200$4.11
10$0.75800$7.58
50$0.62880$31.44
100$0.58020$58.02
250$0.52148$130.37
500$0.48094$240.47
Tape & Box (TB)
QuantityUnit PriceExt Price
1,200$0.39055$468.66
2,400$0.35983$863.59
3,600$0.34290$1,234.44
6,000$0.34188$2,051.28
Manufacturers Standard Package