30R185UPR is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Littelfuse Inc.
In Stock: 0
Unit Price: $0.52000
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Bourns Inc.
In Stock: 0
Unit Price: $0.52000
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Direct


Eaton - Electronics Division
In Stock: 0
Unit Price: $0.34768
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SCHURTER Inc.
In Stock: 0
Unit Price: $1.15000
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SCHURTER Inc.
In Stock: 0
Unit Price: $1.32000
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SCHURTER Inc.
In Stock: 0
Unit Price: $1.15000
Datasheet

Similar


SCHURTER Inc.
In Stock: 0
Unit Price: $1.32000
Datasheet

Similar


SCHURTER Inc.
In Stock: 0
Unit Price: $1.15000
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SCHURTER Inc.
In Stock: 0
Unit Price: $1.43000
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SCHURTER Inc.
In Stock: 0
Unit Price: $1.24000
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Bel Fuse Inc.
In Stock: 0
Unit Price: $0.40000
Datasheet
Polymeric PTC Resettable Fuse 30V 1.85 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 1.85 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

30R185UPR

DigiKey Part Number
F1981CT-ND - Cut Tape (CT)
F1981TB-ND - Tape & Box (TB)
Manufacturer
Manufacturer Part Number
30R185UPR
Description
PTC RESET FUSE 30V 1.85A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 30V 1.85 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
8.7 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
30 mOhms
Series
Resistance - Post Trip (R1) (Max)
90 mOhms
Packaging
Cut Tape (CT)
Tape & Box (TB)
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
30V
Size / Dimension
0.402" L x 0.118" W (10.20mm x 3.00mm)
Current - Hold (Ih) (Max)
1.85 A
Height - Seated (Max)
0.618" (15.70mm)
Current - Trip (It)
3.7 A
Lead Spacing
0.201" (5.10mm)
Current - Max
40 A
Approval Agency
cURus, TUV
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (11)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RUEF185Littelfuse Inc.0RUEF185HF-ND$0.52000Direct
MF-R185Bourns Inc.0MF-R185-ND$0.52000Similar
PTR030V0185-TREaton - Electronics Division0283-PTR030V0185-TR-ND$0.34768Direct
PFRA.110.2SCHURTER Inc.0486-PFRA.110.2TR-ND$1.15000Similar
PFRA.135SCHURTER Inc.0486-3515-ND$1.32000Similar
In-Stock: 0
2,000 estimated in stock on 31-Mar-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.71000$0.71
5$0.68600$3.43
10$0.66400$6.64
50$0.55900$27.95
100$0.46410$46.41
250$0.42188$105.47
500$0.35860$179.30
1,000$0.31641$316.41
Tape & Box (TB)
QuantityUnit PriceExt Price
2,000$0.31641$632.82
4,000$0.29143$1,165.72
6,000$0.28975$1,738.50
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