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30R250

30R250

30R250

Littelfuse

PTC RESETTABLE FUSE 70mOhm OVERLOAD PROTECTION WIRE Bulk

SOT-23

30R250 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Surface MountNO
Terminal Shape WIRE
Mounting FeatureTHROUGH HOLE MOUNT
PackagingBulk
JESD-609 Code e3
Pbfree Code yes
Number of Terminations 2
Termination Radial
Resistance 70mOhm
Terminal Finish Matte Tin (Sn)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Additional Feature0.07OHMS AT 20 DEGREE
Subcategory Non-linear Resistors
Packing Method TR
Resistor Type PTC RESETTABLE FUSE
Current Rating40A
Lead Pitch 5.1mm
Hold Current2.5A
Current Rating (Max) 40A
Thermistor Application OVERLOAD PROTECTION
Trip Current5A
RoHS StatusRoHS Compliant
In-Stock:1347 items

30R250 Product Details

30R250 Overview


Packaged in the Bulk for safety, these PTC thermistors are designed to perform at high temperatures. Ensure that the PTC thermistors are set to -40°C as their minimum operating temperature. In order for this thermistor to work properly, the operating temperature must not exceed 85°C. PTC thermistors have terminations of 2. In order to design PTC thermistors for 40A current, they must have a negative voltage. Ildeally, PTC thermistors should operate at no more than 40A current.

30R250 Features


Terminal Shape: WIRE


30R250 Applications


There are a lot of Littelfuse
30R250 PTC Thermistors applications.


  • Display backlights
  • Building automation
  • Thermal threshold detection
  • Motor control
  • Chargers
  • Thermal protection of winding in electric motors
  • Secondary protection of battery packs
  • Limit temperature monitoring
  • Over-temperature protection of power components
  • DC/DC converters

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