o Part Numbering PTC Thermistors (POSISTORr) for Overheat Sensing Chip Type (Part Number) PR F 18 BB 471 Q B5 RB q w e r t y u i qProduct ID tResistance Product ID PR PTC Thermistors Chip Type wSeries Expressed by three figures. The unit is ohm (). The first and second figures are significant digits, and the third figure expresses the number of zeros which follow the two figures. Ex. Code Series F for Overheat Sensing Code Resistance 471 470 yResistance Tolerance eDimensions (LgW) Code Resistance Tolerance Sensing Temp. Tolerance Code Dimensions (LgW) Q Special Tolerance 5C 15 1.00g0.50mm R Special Tolerance 3C 18 1.60g0.80mm 21 2.00g1.25mm uIndividual Specifications Ex. Code Individual Specifications B5 Structure, others rTemperature Characteristics Code Temperature Characteristics AR Curie Point 120C iPackaging AS Curie Point 130C Code Packaging BA Curie Point 110C RA Embossed Taping (4mm Pitch) (4000 pcs.) BB Curie Point 100C RB Paper Taping (4mm Pitch) (4000 pcs.) BC Curie Point 90C RC Paper Taping (2mm Pitch) (10000 pcs.) BD Curie Point 80C BE Curie Point 70C BF Curie Point 60C BG Curie Point 50C