RXEF040-AP is available for purchase but is not normally stocked.
Available Substitutes:
Parametric Equivalent

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.



RXEF040-AP | |
|---|---|
DigiKey Part Number | RXEF040-APTB-ND - Tape & Box (TB) |
Manufacturer | |
Manufacturer Part Number | RXEF040-AP |
Description | PTC RESET FUSE 72V 400MA RADIAL |
Manufacturer Standard Lead Time | 15 Weeks |
Customer Reference | |
Detailed Description | Polymeric PTC Resettable Fuse 72V 400 mA Ih Through Hole Radial, Disc |
Datasheet | Datasheet |
Product Attributes
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Category | Time to Trip 3.8 s |
Manufacturer Littelfuse Inc. | Resistance - Initial (Ri) (Min) 550 mOhms |
Series | Resistance - Post Trip (R1) (Max) 1.29 Ohms |
Packaging Tape & Box (TB) | Operating Temperature -40°C ~ 85°C |
Part Status Active | Mounting Type Through Hole |
Type Polymeric | Package / Case Radial, Disc |
Voltage - Max 72V | Size / Dimension 0.299" Dia x 0.118" T (7.60mm x 3.00mm) |
Current - Hold (Ih) (Max) 400 mA | Height - Seated (Max) 0.532" (13.50mm) |
Current - Trip (It) 800 mA | Lead Spacing 0.199" (5.05mm) |
Current - Max 40 A | Approval Agency CQC, CSA, TUV, UL |
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Substitutes (5)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| RXEF040S-2 | Littelfuse Inc. | 3,004 | RXEF040S-2TR-ND | $0.46000 | Parametric Equivalent |
| 72R040XPR | Littelfuse Inc. | 0 | 72R040XPRCT-ND | $0.57000 | Parametric Equivalent |
| RXEF040 | Littelfuse Inc. | 0 | RXEF040HF-ND | $0.48000 | Parametric Equivalent |
| RXEF040-2 | Littelfuse Inc. | 0 | RXEF040-2HFTR-ND | $0.46000 | Parametric Equivalent |
| RXEF040S | Littelfuse Inc. | 0 | RXEF040SHF-ND | $0.48000 | Parametric Equivalent |
Available To Order
Check Lead Time
This product is not kept in stock at DigiKey. The lead time shown will apply to the manufacturer’s shipment to DigiKey. Upon receiving the product, DigiKey will ship to fill open orders.
Quantity
All prices are in USD
Tape & Box (TB)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 2,000 | $0.23173 | $463.46 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.



