Surface Mount 1812 PPTC Resettable Fuse
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Surface Mount 1812 PPTC Resettable Fuse
Quick Detail:
◆ Surface Mount Devices ◆ Standard 4532mm(1812mils) footprint ◆ Surface mount packaging for automated assembly ◆ Compatible with Pb and Pb-free solder reflow profiles. ◆ Agency recognition: UL approved
Description:
The MSMD1812 Series PTC provides surface mount overcurrent protection for applications where resettable protection is desired.
Applications:
◆ Overcurrent and overtemperature protection of automotive electronics ◆ PC motherboards, Hard disk driver, and PC peripherals ◆ POS Equipment ◆ USB port protection ◆ HDMI source protection
Specifications:
Electrical Characteristics
IH=Hold current: maximum current at which the device will not trip at 25℃ still air. IT=Trip current: minimum current at which the device will always trip at 25℃ still air. Vmax=Maximum voltage device can withstand without damage at rated current. Imax=Maximum fault current device can withstand without damage at rated voltage. Ttrip=Maximum time to trip(s) at assigned current. Pdtyp=Typical power dissipation: typical amount of power dissipated by the device when in state air environment. Rmin=Minimum device resistance at 25℃ prior to tripping. Rmax=Maximum device resistance at 25℃ prior to tripping.
Product Dimensions & Marking (Unit: mm) :
Thermal Derating Chart – I hold (Amps)
Typical time to trip at 25℃ ![]()
◆ The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications may differ from these values due to the influence of other variables. Agency Approvals: Agency Approvals:UL,CSA,TUV Regulation/Standard: RoHS RoHS 2.0(2011/65/CE)
Package information: Model Q’ty/Reel MSMD010 ~ MSMD030, MSMD110/24, MSMD150/24, MSMD200~MSMD300 1500 pcs MSMD050 ~ MSMD160 2000 pcs Note: Reel packaging per EIA-481-1 standard
Competitive Advantage:
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