RF2639-000

Resettable Fuse, PPTC, PolySwitch RUEF, 30 VDC, 900 mA, 1.8 A, 5.9 s, Round

⚠️ Given the current worldwide supply chain situation, we kindly ask you to take the information shown as a guideline.

Manufacturer: LITTELFUSE
Product type: Radial Leaded PPTCs
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
SVHC: No SVHC (15-Jun-2015)
Height: 12.2mm
Length: -
Diameter: 7.4mm
Thickness: 3mm
Fuse Shape: Round
Lead Spacing: 5.8mm
Time to Trip: 5.9s
Trip Current: 1.8A
Product Range: PolySwitch RUEF
Voltage Rating: 30VDC
Holding Current: 900mA
Current Rating Max: 100A
Thermistor Mounting: Through Hole
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C
Automotive Qualification Standard: -

Delivery and price
Units per pack	500
Price	0.232 €
Current stock	1000+
Lead time	30 days

Datasheet

Updated at April 2, 2026