Part Details for RF2639-000 by Littelfuse Inc
Results Overview of RF2639-000 by Littelfuse Inc
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Consumer Electronics
RF2639-000 Information
RF2639-000 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 RF2639-000
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
26M2705
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Newark | Polyswitch, Radial, 0.9A, Thermistor Mounting:Through Hole, Product Range:Polyswitch Ruef Series, Holding Current:900Ma, Tripping Current:1.8A, Voltage Rating:30Vdc, Operating Temperature Min:-40°C, Operating Temperature Max:85°C, Rohs Compliant: Yes |Littelfuse RF2639-000 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 582 |
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$0.1930 / $0.4120 | Buy Now |
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DISTI #
576-RF2639-000
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Mouser Electronics | Resettable Fuses - PPTC 30V .9A-HD 40A MAX RoHS: Compliant | 500 |
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$0.1850 / $0.5900 | Buy Now |
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DISTI #
71707877
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RS | PTC - RADIAL LEADS 30VDC 0.9A, RUEF090 Min Qty: 20 Package Multiple: 1 Container: Bulk | 0 |
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$0.3730 | RFQ |
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DISTI #
87798255
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Verical | PTC Resettable Fuse 0.9A(hold) 1.8A(trip) 30VAC/30VDC 70A/100A 0.6W 5.9s 0.07Ohm Radial 7.4 X 3 X 12.2mm Bag RoHS: Compliant Min Qty: 218 Package Multiple: 1 | Americas - 2072 |
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$0.3220 | Buy Now |
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DISTI #
87772793
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Verical | PTC Resettable Fuse 0.9A(hold) 1.8A(trip) 30VAC/30VDC 70A/100A 0.6W 5.9s 0.07Ohm Radial 7.4 X 3 X 12.2mm Bag RoHS: Compliant Min Qty: 153 Package Multiple: 1 Date Code: 2442 | Americas - 285 |
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$0.3150 / $0.4720 | Buy Now |
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Quest Components | PTC RESETTABLE FUSE, 0.22OHM, THROUGH HOLE MOUNT | 392 |
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$0.1680 / $0.3600 | Buy Now |
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DISTI #
RUEF090
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TTI | Resettable Fuses - PPTC .9A 30V 100A Imax RoHS: Compliant pbFree: Pb-Free Min Qty: 50 Package Multiple: 50 Container: Bulk |
Americas - 42150 In Stock |
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$0.2290 / $0.2580 | Buy Now |
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DISTI #
RUEF090
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TME | Fuse: PTC polymer, 0.9A, 7.4x12.2mm, 5mm Min Qty: 1 | 385 |
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$0.1880 / $0.3500 | Buy Now |
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DISTI #
000000000007267016
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Sager | Resettable Fuses - PPTC 30V .9A-HD 40A MAX Min Qty: 500 | 0 |
|
$0.2109 / $0.2493 | Buy Now |
Part Details for RF2639-000
RF2639-000 CAD Models
RF2639-000 Part Data Attributes
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RF2639-000
Littelfuse Inc
Buy Now
Datasheet
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Compare Parts:
RF2639-000
Littelfuse Inc
PTC Resettable Fuse, 0.22ohm, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | LITTELFUSE INC | |
| Package Description | RADIAL LEADED, ROHS COMPLIANT | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | LITTELFUSE | |
| Additional Feature | RESISTANCE RANGE(MIN-MAX): 0.070-0.120 | |
| JESD-609 Code | e2 | |
| Mounting Feature | THROUGH HOLE MOUNT | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Shape | RECTANGULAR PACKAGE | |
| Packing Method | BULK | |
| Rated Power Dissipation (P) | 0.6 W | |
| Resistance | 0.22 Ω | |
| Resistor Type | PTC RESETTABLE FUSE | |
| Surface Mount | NO | |
| Terminal Finish | MATTE TIN COPPER | |
| Terminal Placement | RADIAL | |
| Terminal Shape | WIRE | |
| Thermistor Application | TEMPERATURE SENSING |
RF2639-000 Frequently Asked Questions (FAQ)
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Littelfuse provides a recommended PCB layout and land pattern in their application notes or design guides. It's essential to follow these guidelines to ensure optimal performance, minimize parasitic inductance, and reduce electromagnetic interference (EMI).
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To select the correct fuse rating, consider the maximum current, voltage, and power requirements of your circuit. You should also consider the ambient temperature, fault current, and fault duration. Littelfuse provides a fuse selection guide or calculator to help with this process.
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Lead time and availability may vary depending on the region, distributor, and quantity required. It's best to check with authorized distributors or Littelfuse's website for the latest information on lead time, availability, and pricing.
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Yes, fuses can be sensitive to electrostatic discharge (ESD) and mechanical stress. Handle the devices with care, follow proper ESD precautions, and avoid bending or flexing the leads. Also, ensure proper installation and soldering techniques to prevent damage or premature failure.
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The RF2639-000 is a commercial-grade fuse, and its use in high-reliability or safety-critical applications may require additional testing, validation, or certification. Consult with Littelfuse or a qualified engineer to determine the suitability of the device for your specific application.