1. ThermistorsPTC Thermistors (POSISTOR®)PTC for Overcurrent Protection

Murata Icon X Appearance & Shape

Appearance | PRG21BB220MB1RK
Dimensions | PRG21BB220MB1RK

Murata Icon X Specifications

Max. Voltage20V
Hold Current30mA
Measure Condition of Hold Current(at +60℃)
Hold Current (2)44mA
Measure Condition of Hold Current (2)(at +25℃)
Trip Current91mA
Measure Condition of Trip Current(at +25℃)
Trip Current(2)115mA
Measure Condition of Trip Current(2)(at -20℃)
Max. Current1100mA
Resistance (25℃)22Ω
Resistance Value Tolerance (at 25℃)±20%
Operating Temperature Range-20℃ to 60℃
Size Code (in mm)2.0x1.25mm
Size Code (in inch)0.8x0.5inch

Murata Icon X Features

1.Rapid operation to protect the circuit in an overcurrent condition abnormality such as a short circuit.
   By removing the overcurrent condition, these products automatically return to the initial condition and can be used repeatedly.
2.Suitable for countermeasure to short circuit test in safety standard
3.Stable resistance after operation due to ceramic PTC
4.Similar size (0603 size) is possible due to the large capacity for electric power.
5.Possible to use these products as current limiting resistors with overcurrent protection functions
6.SMD type is helpful for miniaturizing circuits because of its small size and light weight
7.Lead is not contained in the terminations

Murata Icon X Applications

Limited Usage

Consumer Grade

Murata Icon X Packaging Information

Packaging Specifications Minimum Order Quantity


180mm Embossed Tape