Semiconductors
Passive Components
Sensors
Power
Optoelectronics
For Reference Only
| Part Number | RKEF400 |
| OEMstron Part # | RKEF400 |
| Manufacturer | Littelfuse |
| Category | Power › Circuit Protection › PTC Resettable Fuses |
| Description | PTC RESET FUSE 60V 4A RADIAL |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | RKEF400 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Feb 25 - Mar 2 (Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |  |
| Shipping |  |
RKEF400 Specifications
| Part Number | RKEF400 | |
| Brand | Littelfuse | |
| Lifecycle | Active | |
| RoHS | No RoHS Information | |
| Product Line | Power | |
| Category | Circuit Protection | |
| Subcategory | PTC Resettable Fuses | |
| Manufacturer | Littelfuse Inc. | |
| Series | PolySwitch®, RKEF | |
| Type | Polymeric | |
| Voltage - Max | 60V | |
| Current - Max | 40A | |
| Current - Hold (Ih) (Max) | 4A | |
| Current - Trip (It) | 8A | |
| Time to Trip | 24s | |
| Resistance - Initial (Ri) (Min) | 14 mOhms | |
| Resistance - Post Trip (R1) (Max) | 60 mOhms | |
| Resistance - 25°C (Typ) | - | |
| Operating Temperature | -40°C ~ 85°C | |
| Ratings | - | |
| Mounting Type | Through Hole | |
| Package / Case | Radial, Disc | |
| Size / Dimension | 0.827" L x 0.118" W (21.00mm x 3.00mm) | |
| Height - Seated (Max) | 0.980" (24.90mm) | |
| Thickness (Max) | - | |
| Lead Spacing | 0.400" (10.15mm) |
RKEF400 Documents
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Global Supply Chains - Reliable and Authorized Distributor Resources
| Part Number | Description | Stock |
|
RKEF400 D# V99:2348_11453917 Littelfuse Inc |
PTC Resettable Fuse 4A(hold) 8A(trip) 60V 40A 3.7W 24s 0.014Ohm Radial 21 X 3 X 24.9mm Bag RoHS: Compliant
|
Americas - 0 |
|
RKEF400-2 D# V36:1790_23523651 Littelfuse Inc |
RF4677-000 |
Americas - 0 |
| Part Number | Description | Stock |
|
RS60SB-400(CROSS: RKEF400) OptiFuse |
6000 |
| Part Number | Description | Stock |
|
RKEF400 TE Connectivity |
PTC Resettable Fuse 4A(hold) 8A(trip) 60V 40A 3.7(Nom)W 24s 0.014Ohm Radial 21 X 3 X 24.9mm Bulk |
5 |
| Part Number | Description | Stock |
|
RKEF400 D# RKEF400HF-ND Littelfuse Inc |
PTC RESET FUSE 60V 4A RADIAL |
On Order |
|
RKEF400-2 D# 18-RKEF400-2TR-ND Littelfuse Inc |
RKEF400-2 |
Temporarily Out of Stock |
| Part Number | Description | Stock |
|
RKEF400 TY |
In stock shipping within 2days |
20260 |
| Part Number | Description | Stock |
|
RKEF400 D# 2786680 Littelfuse Inc |
FUSE, RESETTABLE PTC, 60VDC, 4A, THD RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
| Part Number | Description | Stock |
|
RKEF400 Littelfuse Inc |
RKEF Series 60 V 4 A Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant
pbFree: Yes
|
0 Bag |
| Part Number | Description | Stock |
|
RKEF400 TE Connectivity |
OEM/CM Immediate delivery |
20000 |
| Part Number | Description | Stock |
|
RKEF400 D# XSFP00000207220 Littelfuse Inc |
500 |
| Part Number | Description | Stock |
|
RKEF400 D# 45P8095 Littelfuse Inc |
PPTC RESETTABLE FUSE, 4A, 60VDC, TH, Product Range:PolySwitch RKEF Series, Voltage Rating:60VDC, Holding Current:4A, Tripping Current:8A, Time to Trip:24s, Fuse Shape:Rectangular, Current Rating Max:40A, Lead Spacing:10.9mm RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
58 |
| Part Number | Description | Stock |
|
RKEF400 D# NS-RKEF400 TE Connectivity |
OEM/CM ONLY |
8777 |
| Part Number | Description | Stock |
|
RKEF400 D# 7127509 Littelfuse Inc |
Littelfuse 4A Hold current, Radial Leaded PCB Mount Resettable Fuse, 60V, PK Min Qty: 10
Container: Package
|
1360 |
| Part Number | Description | Stock |
|
RKEF400 TE Connectivity |
IN stock Immediate delivery |
19985 |
| Part Number | Description | Stock |
|
RKEF400 Littelfuse Inc |
Resettable Fuses - PPTC 60V 40A 3.70W Radial-leaded Device pbFree: Pb-Free
|
Americas - 1500 |
|
RF3377-000 Littelfuse Inc |
Resettable Fuses - PPTC 60V 4.0A-HD 40A MAX pbFree: Pb-Free
|
Americas - 1500 |
| Part Number | Description | Stock |
|
RKEF400 D# 2786680 Littelfuse Inc |
FUSE, RESETTABLE PTC, 60VDC, 4A, THD RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
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Quick Inquiry
| In Stock | 491 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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Pricing (USD)
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|---|---|---|
| 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 |
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