Datasheets
RUEF250U-2 by:

PTC Thermistor, Through Hole Mount, RADIAL LEADED

Part Details for RUEF250U-2 by Littelfuse Inc

Results Overview of RUEF250U-2 by Littelfuse Inc

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Applications Consumer Electronics

RUEF250U-2 Information

RUEF250U-2 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 RUEF250U-2

Part # Distributor Description Stock Price Buy
DISTI # 38AC2267
Newark Fuse, Resettable Ptc, 30Vdc, 2.5A, Thd, Thermistor Mounting:Through Hole, Product Range:Polyswitch Ruef Series, Holding Current:2.5A, Tripping Current:4.9A, Voltage Rating:30Vdc, Operating Temperature Min:-40°C, Operating Temperaturerohs Compliant: Yes |Littelfuse RUEF250U-2 RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Bulk 8079
  • 1 $0.5590
  • 10 $0.4250
  • 25 $0.3890
  • 50 $0.3530
  • 100 $0.3250
  • 500 $0.2700
  • 1,000 $0.2480
$0.2480 / $0.5590 Buy Now
DISTI # 03M0931
Newark Resettable Fuse, Ptc, 30V, 2.5A, Radial, Product Range:Polyswitch Ruef Series, Voltage Rating:30Vdc, Holding Current:2.5A, Trip Current:5A, Time To Trip:10.3S, Fuse Shape:Rectangular, Current Rating Max:100A, Lead Spacing:5.8Mm Rohs Compliant: Yes |Littelfuse RUEF250U-2 RoHS: Compliant Min Qty: 3000 Package Multiple: 1 Date Code: 1 Container: Cut Tape 0
  • 1,000 $0.2470
$0.2470 Buy Now
DISTI # RUEF250U-2CT-ND
DigiKey PTC RESET FUSE 30V 2.5A RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Cut Tape (CT), Tape & Reel (TR) 9275
In Stock
  • 1 $0.5700
  • 5 $0.4700
  • 10 $0.4340
  • 50 $0.3600
  • 100 $0.3321
  • 250 $0.2986
  • 500 $0.2754
  • 1,000 $0.2539
  • 3,000 $0.2231
  • 6,000 $0.2079
$0.2079 / $0.5700 Buy Now
DISTI # 650-RUEF250U-2
Mouser Electronics Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RoHS: Compliant 3087
  • 1 $0.4600
  • 10 $0.4200
  • 50 $0.3570
  • 100 $0.3260
  • 250 $0.2990
  • 500 $0.2760
  • 1,000 $0.2540
  • 3,000 $0.2230
  • 6,000 $0.2080
$0.2080 / $0.4600 Buy Now
Future Electronics RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 3000 Package Multiple: 3000 Lead time: 12 Weeks Container: Reel 105000
Reel
  • 3,000 $0.2200
  • 9,000 $0.2150
  • 15,000 $0.2100
$0.2100 / $0.2200 Buy Now
Future Electronics RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Cut Tape/Mini-Reel 2990
Cut Tape/Mini-Reel
  • 1 $0.6550
  • 15 $0.5650
  • 75 $0.5100
  • 300 $0.4650
  • 1,500 $0.4100
$0.4100 / $0.6550 Buy Now
Bristol Electronics   3000
RFQ
DISTI # RUEF250U-2
TTI Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RoHS: Compliant pbFree: Pb-Free Min Qty: 3000 Package Multiple: 3000 Container: Reel Americas - 6000
In Stock
  • 3,000 $0.2830
  • 6,000 $0.2770
$0.2770 / $0.2830 Buy Now
Future Electronics RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse Min Qty: 1 Package Multiple: 1 2990
null
  • 1 $0.6550
  • 15 $0.5650
  • 75 $0.5100
  • 300 $0.4650
  • 1,500 $0.4100
$0.4100 / $0.6550 Buy Now
New Advantage Corporation RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant Min Qty: 1 Package Multiple: 3000 57000
  • 3,000 $0.3667
  • 57,000 $0.3385
$0.3385 / $0.3667 Buy Now
Vyrian Resistors 24252
RFQ

Part Details for RUEF250U-2

RUEF250U-2 CAD Models

RUEF250U-2 Part Data Attributes

RUEF250U-2 Littelfuse Inc
Buy Now Datasheet
Compare Parts:
RUEF250U-2 Littelfuse Inc PTC Thermistor, Through Hole Mount, RADIAL LEADED
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:0.04 OHMS AT 20 DEG CEL
Circuit RMS Voltage-Max 30 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 18.3 mm
Package Length 11.4 mm
Package Shape RECTANGULAR PACKAGE
Package Style Radial
Package Width 3 mm
Packing Method TR, 15 INCH
Reference Standard CQC; CSA; TUV; UL
Resistance 0.02 Ω
Resistor Type PTC RESETTABLE FUSE
Surface Mount NO
Terminal Finish MATTE TIN OVER NICKEL
Terminal Placement RADIAL
Terminal Shape WIRE
Thermistor Application OVERCURRENT PROTECTION
Working Voltage 30 V

RUEF250U-2 Related Parts

RUEF250U-2 Frequently Asked Questions (FAQ)

  • The recommended mounting torque for the RUEF250U-2 is 10-15 in-lbs (1.1-1.7 Nm).

  • Yes, the RUEF250U-2 is designed to operate in high-temperature applications up to 150°C (302°F). However, the fuse's current rating may be derated at higher temperatures.

  • Yes, the RUEF250U-2 is compatible with lead-free soldering processes and meets the requirements of the RoHS directive.

  • The minimum order quantity for the RUEF250U-2 varies depending on the distributor or supplier. Typically, it ranges from 100 to 1000 pieces.

  • Yes, the RUEF250U-2 is designed to operate in harsh environmental conditions, including outdoor applications, and meets the requirements of IEC 60269-2-1.

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