
For Reference Only
Part Number | RUEF250U-2 |
OEMstron Part # | RUEF250U-2 |
Manufacturer | Littelfuse |
Category | Power › Circuit Protection › PTC Resettable Fuses |
Description | PTC RESET FUSE 30V 2.5A RADIAL |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | RUEF250U-2 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 16 - Mar 21 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
RUEF250U-2 Specifications
Part Number | RUEF250U-2 | |
Brand | Littelfuse | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Circuit Protection | |
Subcategory | PTC Resettable Fuses | |
Manufacturer | Littelfuse Inc. | |
Series | PolySwitch®, RUEF | |
Type | Polymeric | |
Voltage - Max | 30V | |
Current - Max | 100A | |
Current - Hold (Ih) (Max) | 2.5A | |
Current - Trip (It) | 5A | |
Time to Trip | 10.3s | |
Resistance - Initial (Ri) (Min) | 20 mOhms | |
Resistance - Post Trip (R1) (Max) | 70 mOhms | |
Resistance - 25°C (Typ) | - | |
Operating Temperature | -40°C ~ 85°C | |
Ratings | - | |
Mounting Type | Through Hole | |
Package / Case | Radial, Disc | |
Size / Dimension | 0.299" L x 0.110" W (7.60mm x 2.80mm) | |
Height - Seated (Max) | 0.642" (16.30mm) | |
Thickness (Max) | - | |
Lead Spacing | 0.199" (5.05mm) |
RUEF250U-2 Documents

Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
RUEF250U-2 D# V72:2272_16240118 Littelfuse Inc |
PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm T/R RoHS: Compliant
|
Americas - 8 |
Part Number | Description | Stock |
RUEF250U-2 D# RUEF250U-2 TE Connectivity |
PTC Resettable Fuse 100A 5s 30V 0.031 Ohm 2-Pin Radial - Tape and Reel (Alt: RUEF250U-2) |
Americas - 4624 |
Part Number | Description | Stock |
RUEF250U-2 TE Connectivity |
RESETTABLE FUSE, PTC, 30V, 2.5A, RADIAL, Holding Current:2.5A, Tripping Current:5A, Initial Resistance Max:0.04ohm, Operating Voltage:30VDC, PTC Fuse Case Style:Radial Leaded, Initial Resistance Min:0.02ohm, Packaging:Cut Tape , RoHS Compliant: Yes |
376 |
Part Number | Description | Stock |
RUEF250U-2 D# RUEF250U-2TR-ND Littelfuse Inc |
PTC RESET FUSE 30V 2.5A RADIAL |
On Order |
Part Number | Description | Stock |
RUEF250U-2 D# 2078268 Littelfuse Inc |
RESETTABLE FUSE, PTC, 30V, 2.5A, RADIAL RoHS: Compliant
Min Qty: 3000
Container: Cut Tape
|
0 |
Part Number | Description | Stock |
RUEF250U-2 Littelfuse Inc |
RoHS: Compliant
pbFree: Yes
|
11 Cut Type/Mini-Reel |
Part Number | Description | Stock |
RUEF250U-2 D# NS-RUEF250U-2 TE Connectivity |
OEM/CM ONLY |
30304 |
Part Number | Description | Stock |
RUEF250U2 TE Connectivity |
OEM/CM ONLY |
13640 |
Part Number | Description | Stock |
RF0057-000 Littelfuse Inc |
Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX (R) pbFree: Pb-Free
|
Americas - 0 |
RUEF250U-2 Littelfuse Inc |
Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated pbFree: Pb-Free
|
Americas - 0 |
Part Number | Description | Stock |
RUEF250U-2 D# 16508241 TE Connectivity |
PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm T/R RoHS: Compliant
|
Americas - 3000 |
Part Number | Description | Stock |
RUEF250U-2 D# 2078268 Littelfuse Inc |
RESETTABLE FUSE, PTC, 30V, 2.5A, RADIAL RoHS: Compliant
Min Qty: 3000
Container: Cut Tape
|
0 |
The Products You May Be Interested In
![]() |
B59985C0120A051 | PTC RESET FUSE 30V 250MA RADIAL | 10856 More on Order |
![]() |
PTR016V0250-BK | PTC RESET FUSE 16V 2.5A RADIAL | 381 More on Order |
![]() |
RLD60P110XF | PTC RESET FUSE 60V 1.1A RADIAL | 128 More on Order |
![]() |
PFST.150 | PTC RESET FUSE 15V 1.5A STRAP | 427 More on Order |
![]() |
LVR033K | PTC RESET FUSE 240V 330MA RADIAL | 4061 More on Order |
![]() |
MF-RHT100-0 | 1.0A HIGH-TEMPERATURE PTC RESETT | 393 More on Order |
![]() |
PTGL9SAS3R3K4B51A0 | PTC RESET FUSE 3.3OHM DISC | 371 More on Order |
![]() |
TRF250-120US | PTC RESET FUSE 60V 120MA RADIAL | 3637 More on Order |
![]() |
MF-MSMF020-2 | PTC RESET FUSE 30V 200MA 1812 | 17313 More on Order |
![]() |
B59875A0120A010 | PTC THERMISTOR | 266 More on Order |
![]() |
NANOSMDC075F-2 | PTC RESET FUSE 6V 750MA 1206 | 21769 More on Order |
![]() |
PTR016V0700-TR1 | PTC RESET FUSE 16V 7A RADIAL | 219 More on Order |
Quick Inquiry
In Stock | 8,084 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 0.0000 | $ 0.0000 |
100 | $ 0.0000 | $ 0.0000 |
500 | $ 0.0000 | $ 0.0000 |
1000 | $ 0.0000 | $ 0.0000 |
2500 | $ 0.0000 | $ 0.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.