Littelfuse 1.1A Surface Mount Resettable Fuse, 33V dc

  • RS Stock No. 787-4255
  • Mfr. Part No. 1812L110/33MR
  • Manufacturer Littelfuse
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Littelfuse POLY-FUSE Resettable PTCs - 1812L Series

The Littelfuse 1812L series PTC provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired.

Surface Mount Technology

Resettable fuses are designed for the protection of electrical and electronic circuits against excessive currents. They switch rapidly from a low resistance to very high resistance state under electrical overload or short circuit conditions, and feature automatic reset and return to low resistance state when fault condition ceases and power is removed.

Maintenance free automatic reset for thousands of cycles
Small size and no fuseholder required

Main applications

Security systems
Power supplies and transformers
Power switching devices
Automotive and medical equipment
Instrumentation and control
Computers and peripherals
Audio visual and telecommunications

Attribute Value
Trip Current 1.95A
Voltage Rating 33 V dc
Time to Trip 0.5s
Hold Current 1.1 A
Maximum Current 20 A
Length 4.73mm
Height 2mm
Width 3.41mm
Terminal Material Tin Plated Copper
Minimum Resistance 0.06Ω
Maximum Resistance 200mΩ
Power Dissipation 0.8W
Minimum Operating Temperature -40°C
Maximum Operating Temperature +85°C
Package Size 1812
Dimensions 4.73 x 3.41 x 2mm
Operating Temperature Range -40 → +85 °C
1610 In stock for delivery within 6 working days
Price (VAT excluded) Each (In a Pack of 10)
TWD 14.80
(exc. GST)
TWD 15.50
(inc. GST)
Per unit
Per Pack*
10 - 40
50 - 90
100 - 490
500 - 990
1000 +
*price indicative
Packaging Options: