# PPTC RESETTABLE FUSE, ROUND, 40A, 72V

![Product image](https://novapart.co/image/farnell:4730414/)

**URL**: https://novapart.co/products/RF2705-000/pptc-resettable-fuse-round-40a-72v
**SKU**: RF2705-000
**Manufacturer**: LITTELFUSE
**Category**: Circuit Protection || Thermistors || Resettable Fuses || Radial Leaded PPTCs
**Price**: €0.2920
**Stock**: 200+
**Lead Time**: 107 days (indicative)

## Description

Product Range:PolySwitch RXEF Series; Voltage Rating:72V; Holding Current:1.85A; Trip Current:3.7A; Time to Trip:12.6s; Fuse Shape:Round; Current Rating Max:40A; 34AC5331

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Height | 0.88" |
| Length | - |
| Diameter | 0.69" |
| Thickness | 0.12" |
| Fuse Shape | Round |
| Lead Spacing | 0.23" |
| Time To Trip | 12.6s |
| Trip Current | 3.7A |
| Product Range | PolySwitch RXEF Series |
| Voltage Rating | 72V |
| Holding Current | 1.85A |
| Current Rating Max | 40A |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Automotive Qualification Standard | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4730414/)

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Home > Products > PolySwitch Resettable Devices > Product Feature Selector > Product Details 

**RXEF185K Product Details Share Print Email PolySwitch Resettable Devices** ~~**Quick Links**~~ ; Always EU RoHS/ELV Compliant (Statement of Compliance) Pricing & Availability f a a P Search for Tooling **Product Highlights:** Product Feature Selector Contact Us About This Product Radial Application Vmax Interrupt = 72 V rms Imax Interrupt = 40 A Family Name = RXEF **RXEF185K** Radial Construction (RF2705­000) View all Features TE Internal Number: RF2705­000 Active Add to My Part List Request Sample Find Similar Products Buy Product ¥ ~~Go Bee~~ 

## **RXEF185K Product Details** 

**Documentation & Additional Information** —EEEEoEoEEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEeEOEOEOoEOEOEEES **Product Drawings: Related Products:** None Available Tooling 

**Product Drawings: Related Products:** None Available Tooling **Catalog Pages/Data Sheets:** None Available **Product Specifications:** RXEF185K (PDF, English) **Application Specifications:** None Available x **Instruction Sheets:** 5 None Available **CAD Files:** None Available List all Documents ~~—~~ **Product Features (Please use the Product Drawing for all design activity) Product Type Features: Configuration Features:** Family Name = RXEF Coating = Coated CSA File Number = A78165 **Industry Standards: Electrical Characteristics:** RoHS/ELV Compliance = RoHS compliant, ELV compliant Vmax Interrupt (V rms) = 72 Lead Free Solder Processes = Wave solder capable to 260°C, Wave Imax Interrupt (A) = 40 solder capable to 240°C IH (Room Temperature) (A) = 1.85 RoHS/ELV Compliance History = Always was RoHS compliant IT (Room Temperature) (A) = 3.70 UL File Number = E74889 Rmin (Ω) = 0.08 TUV Certificate No. = Available on request (per IEC 60730­1) Rmax (Ω) = 0.120 R1 Max [Post Trip] (Ω) = 0.19 **Environmental:** Operating Temperature (Max.) (°C) = 85 Power Dissipation (Typical) (W) = 2.10 Power Dissipation (Max) (W) = 3.04 **Operation/Application:** Application = Radial **Termination Features:** Construction = Radial **Packaging Features:** Packaging Method = Loose Piece **Body Features:** Lead Type = Standard Kinked Lead **Other:** Brand = Raychem ~~na~~ **Corporate Information Quick Links Customer Support Keep Me Informed** About TE Distributor Inventory Email or Chat With Us Investors Product Cross Reference Find a Phone Number OH a - fh News Room Documents & Drawings Knowledge Base Supplier Portal Product Compliance Support Center Manage Your Account 

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- [View this product on Novapart](https://novapart.co/products/RF2705-000/pptc-resettable-fuse-round-40a-72v)
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- [Supplier page](https://es.farnell.com/littelfuse/rf2705-000/pptc-resettable-fuse-round-40a/dp/4730414)
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