RF2561-000

Resettable Fuse, PPTC, PolySwitch RUEF Series, 30 VDC, 4 A, 8 A, 12.7 s, Rectangular

⚠️ 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:4A; Tripping Current:8A; Voltage Rating:30V; Operating Temperature Min:-40°C; Operating Temperatu
SVHC: To Be Advised
Height: 19.3mm
Length: 14mm
Diameter: -
Thickness: 3mm
Fuse Shape: Rectangular
Lead Spacing: 5.8mm
Time to Trip: 12.7s
Trip Current: 8A
Product Range: PolySwitch RUEF Series
Voltage Rating: 30VDC
Holding Current: 4A
Current Rating Max: 1A
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	0.182 €
Current stock	4407
Lead time	7 days

Datasheet

Updated at February 28, 2026