Rated 
(5/5) based on 5 customer reviews
(5/5) based on 5 customer reviews
| Part Number | RUEF300U |
| Main Category | Circuit Protection |
| Sub Category | PTC Resettable Fuses |
| Brand | Littelfuse |
| Description | POLYSWITCH PTC RESET 3A UNCOATED |
| Series | PolySwitch, RUEF |
| Packaging | Bulk |
| Type | Polymeric |
| Voltage - Max | 30V |
| Current - Max | 100A |
| Current - Hold (Ih) (Max) | 3A |
| Current - Trip (It) | 6A |
| Time to Trip | 10.8s |
| Resistance - Initial (Ri) (Min) | 20 mOhm |
| Resistance - Post Trip (R1) (Max) | 80 mOhm |
| Resistance - 25°C (Typ) | - |
| Operating Temperature | -40°C ~ 85°C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.449" L x 0.118" W (11.40mm x 3.00mm) |
| Height - Seated (Max) | 0.649" (16.50mm) |
| Thickness (Max) | - |
| Lead Spacing | 0.199" (5.05mm) |
| Image |  |
Lowest Price: $0.39
Highest Price: $4.06
1 - 5 of 5 Record(s)
Part Number
Brand
D/C
Qty
Price (USD)
Company
Part Number:
RUEF300U
Brand:
Little fuse
D/C:
2021+
Qty:
5212
Price (USD):
0.39
Company:
Cinty Int'l (HK) Industry Co., Limited
Buy
Part Number:
RUEF300U
Brand:
LITT
D/C:
Qty:
5676
Price (USD):
1.3075
Company:
RX ELECTRONICS LIMITED
Buy
Part Number:
RUEF300U
Brand:
LITTEL
D/C:
Qty:
4218
Price (USD):
2.225
Company:
N&S Electronic Co., Limited
Buy
Part Number:
RUEF300U
Brand:
LITTELFU
D/C:
Qty:
746
Price (USD):
3.1425
Company:
N&S Electronic Co., Limited
Buy
Part Number:
RUEF300U
Brand:
LITTEIFUS
D/C:
15+
Qty:
9334
Price (USD):
4.06
Company:
Rainstar Components USA Incorporated Limited
Buy
RUEF300U Ref.
[hkinlittelfuse20220620][hkinbrandcloudAMpd]
