1812L300MR

Resettable Fuse, PPTC, 1812 (4532 Metric), PolySwitch 1812L Series, 6 VDC, 3 A, 5 A, 4 s

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

Manufacturer: LITTELFUSE
Product type: Surface Mount PPTCs
Thermistor Mounting:SMD; Product Range:POLYFUSE 1812L Series; Holding Current:3A; Tripping Current:5A; Voltage Rating:6VDC; Operating Temperature Min:-40°C; Operating Temperature Max:
SVHC: To Be Advised
Time to Trip: 4s
Trip Current: 5A
Product Range: PolySwitch 1812L Series
Voltage Rating: 6VDC
Holding Current: 3A
PPTC Case Style: 1812 (4532 Metric)
Current Rating Max: 100A
Thermistor Mounting: SMD
Operating Temperature Max: 85°C
Operating Temperature Min: -40°C
Automotive Qualification Standard: -

Delivery and price
Units per pack	1000
Price	0.783 €
Current stock	985
Lead time	7 days

Datasheet

Updated at March 4, 2026