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EPCOS P27 NTC Inrush Current Limiters

EPCOS P27 Series NTC Inrush Current Limiters (ICLs) are designed to limit the current at turn-on by high resistance when they are cold. The P27 ICLs come with a nominal disk diameter of 27mm, a lead space of 7.5mm, and terminals that are solderable in accordance with IEC60068-2-20. These P27 ICLs feature a black-coated thermistor disk, flame retardant UL94V-0 coating material, and tinned copper wire kinked leads. EPCOS P27 NTC ICLs offer maximum power (at 25°C) of 10W and a resistance tolerance of ±20%. Ideally, P27 ICLs are used in soft-start motors, in switch-mode power supplies, welding and plasma-cutting equipment, and large electric motors.

Features

7.5mm of lead spacing
27mm of nominal disk diameter
Black-coated thermistor disk
Coating material flame retardant to UL94V-0
Component marking includes the manufacturer’s logo, resistance value, and data code
Highly stable electrical characteristics
Leaded and coated NTC thermistors
RoHS compatible
Tinned copper wire, kinked
UL approval (E69802)

Applications

In switch-mode power supplies
Large electric motors and drives and all kinds of high-watt power supplies
Soft-start motors:
- Electric lawnmowers
- Vacuum cleaners
Welding and plasma-cutting equipment

Technical Specifications

Parameters	Values
Approximate dissipation factor (in air)	50mW/K
Approximate heat capacity	10000mJ/K
Maximum power (at 25°C)	10W
Resistance tolerance	±20%