Datasheets
RXEF040 by:
Littelfuse Inc
Littelfuse Inc
TE Connectivity
Not Found

PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED

Part Details for RXEF040 by Littelfuse Inc

Results Overview of RXEF040 by Littelfuse Inc

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RXEF040 Information

RXEF040 by Littelfuse Inc is a Non-linear Resistor.
Non-linear Resistors are under the broader part category of Resistors.

Resistors are passive components that work by limiting electron flow in a circuit. They are available as fixed or as variable (potentionmeters). Read more about Resistors on our Resistors part category page.

Price & Stock for RXEF040

Part # Distributor Description Stock Price Buy
DISTI # 04H8116
Newark Fuse, Ptc Reset, 72V, 400Ma, Radial, Product Range:Polyswitch Rxef Series, Voltage Rating:72Vdc, ... Holding Current:400Ma, Trip Current:800Ma, Time To Trip:3.8S, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.8Mm, Length:- Rohs Compliant: Yes |Littelfuse RXEF040 more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 551
  • 1 $0.4700
  • 10 $0.3600
  • 25 $0.3290
  • 50 $0.2980
  • 100 $0.2740
  • 500 $0.2270
  • 1,000 $0.2100
$0.2100 / $0.4700 Buy Now
DISTI # RXEF040HF-ND
DigiKey PTC RESET FUSE 72V 400MA RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Bag 9486
In Stock
  • 1 $0.4800
  • 5 $0.3980
  • 10 $0.3670
  • 50 $0.3042
  • 100 $0.2806
  • 250 $0.2523
  • 500 $0.2327
  • 1,000 $0.2146
  • 5,000 $0.1775
$0.1775 / $0.4800 Buy Now
DISTI # 650-RXEF040
Mouser Electronics Resettable Fuses - PPTC Radial Lead .4A 72V 40A Imax RoHS: Compliant 4716
  • 1 $0.4000
  • 10 $0.3550
  • 25 $0.2800
  • 100 $0.2480
  • 250 $0.2340
  • 500 $0.2110
  • 1,000 $0.1980
$0.1980 / $0.4000 Buy Now
Future Electronics RXEF Series 72 V 0.4 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Box 31460
Box
  • 1 $0.1950
  • 200 $0.1900
  • 750 $0.1860
  • 2,500 $0.1820
  • 10,000 $0.1740
$0.1740 / $0.1950 Buy Now
Future Electronics RXEF Series 72 V 0.4 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 4500 Package Multiple: 500 Lead time: 12 Weeks Container: Bag 0
Bag
  • 500 $0.1870
  • 1,500 $0.1830
  • 2,500 $0.1810
  • 10,000 $0.1770
  • 15,000 $0.1740
$0.1740 / $0.1870 Buy Now
Future Electronics RXEF Series 72 V 0.4 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 500 Package Multiple: 500 Lead time: 12 Weeks Container: Box 0
Box
  • 1 $0.1950
  • 200 $0.1900
  • 750 $0.1860
  • 2,500 $0.1820
  • 10,000 $0.1740
$0.1740 / $0.1950 Buy Now
Future Electronics RXEF Series 72 V 0.4 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 4500 Package Multiple: 500 Lead time: 12 Weeks Container: Bag 0
Bag
  • 500 $0.1870
  • 1,500 $0.1830
  • 2,500 $0.1810
  • 10,000 $0.1770
  • 15,000 $0.1740
$0.1740 / $0.1870 Buy Now
Bristol Electronics   800
RFQ
Quest Components PTC RESETTABLE FUSE,.4A,72V,RADIAL LEAD,LEAD FREE 1913
  • 1 $1.0750
  • 373 $0.4300
  • 1,861 $0.3763
$0.3763 / $1.0750 Buy Now
DISTI # RXEF040
TME Fuse: PTC polymer, 400mA, SMD, 5mm Min Qty: 1 1436
  • 1 $0.5480
  • 10 $0.3390
  • 100 $0.2490
  • 500 $0.2060
  • 1,000 $0.1910
  • 10,000 $0.1800
$0.1800 / $0.5480 Buy Now
Chip-Germany GmbH   RoHS: Compliant Date Code: 22 720
RFQ
New Advantage Corporation RXEF Series 72 V 0.4 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant Min Qty: 1 Package Multiple: 500 28500
  • 1,000 $0.2786
  • 28,500 $0.2600
$0.2600 / $0.2786 Buy Now

Part Details for RXEF040

RXEF040 Part Data Attributes

RXEF040 Littelfuse Inc
Buy Now Datasheet
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RXEF040 Littelfuse Inc PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer LITTELFUSE INC
Package Description RADIAL LEADED
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8533.40.80.70
Samacsys Manufacturer LITTELFUSE
Additional Feature Rmax:0.86 OHMS AT 20 DEG CEL
Circuit RMS Voltage-Max 72 V
JESD-609 Code e3
Mounting Feature THROUGH HOLE MOUNT
Number of Terminals 2
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Height 13.5 mm
Package Length 7.6 mm
Package Style Radial
Package Width 3 mm
Packing Method BULK
Reference Standard CQC; CUL; TUV; UL
Resistance 0.55 Ω
Resistor Type PTC RESETTABLE FUSE
Surface Mount NO
Terminal Finish Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal Placement RADIAL
Terminal Shape WIRE
Working Voltage 72 V

Alternate Parts for RXEF040

This table gives cross-reference parts and alternative options found for RXEF040. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of RXEF040, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
RXEF040-2 Littelfuse Inc $0.3072 PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED RXEF040 vs RXEF040-2

RXEF040 Related Parts

RXEF040 Frequently Asked Questions (FAQ)

  • A good PCB layout for RXEF040 involves keeping the fuse as close to the power source as possible, using a wide trace for the fuse, and minimizing the distance between the fuse and the load. Additionally, it's recommended to use a solid ground plane and to keep the fuse away from high-frequency signals.

  • The RXEF040 is designed to operate in high-temperature environments, with a maximum operating temperature of 125°C. However, it's essential to consider the derating curve provided in the datasheet to ensure the fuse operates within its specified limits.

  • Yes, the RXEF040 is designed to withstand high-vibration environments. Littelfuse Inc. has tested the fuse to ensure it meets the requirements of various industry standards, including IEC 60068-2-6, which covers vibration testing.

  • To prevent damage, it's recommended to store RXEF040 in a dry, cool place, away from direct sunlight and moisture. When handling the fuse, use anti-static wrist straps or mats to prevent electrostatic discharge (ESD) damage.

  • The RXEF040 is designed to operate in humid environments, but it's essential to follow proper storage and handling procedures to prevent moisture ingress. If the fuse is exposed to high humidity, ensure it is properly sealed and conformally coated to prevent corrosion.