THERMISTORS PTC Radial Lead Types Description NTE ’s PTC thermistors are small−sized radial lead organic silicon resin thermistors designed for overcurrent and overload protection. Product Applications Overload and Current Protection of Mini Voltage Transformer Primary Loops, Chargers, Safe Guard Unit and Thunder Surge Protection Circuit for Telecom Apparatus, and Industry−Controlling Exchangers Overcurrent Protection for Ammeters, Digital Multimeters, Micro−Electric Machinery, and Transistors T−02 T−03 D T D T Specifications Zero Power resistance (at 25 ): 20% Surge Voltage Withstanding: Vmax x (1.2 to 1.5) Restore Time: 60 sec max Operating Temperature Range: −40 to +125 C Max Operating Voltage Vmax (V) 30 Non−Trip Current Int (mA) .295 (7.5) .197 (5.0) .024 (0.6) .024 (0.6) 650mA 600mA Trip Current @ 25 C It (mA) 1500mA .433 (11.0) .157 (4.0) 02−P4R7−1 125 400mA 300mA 900mA 4.7 1.7 120 C T−02 .707 (18.0) .177 (4.5) 02−P220−1 125 135mA 110mA 340mA 22 0.8 120 C T−03 .394 (10.0) .177 (4.5) 02−P121−1 265 35mA 30mA 85mA 120 0.3 120 C T−03 .236 (6.0) .177 (4.5) 02−P331−1 265 25mA 20mA 75mA 330 0.2 120 C T−03 .236 (6.0) .177 (4.5) NTE Type No. 02−P1R0−1 30 @ 25 C @ 60 C NTE Electronics, Inc. Resistance @ 25 C ( ) 1.0 Max Current Imax (A) 4.0 Switch Temp TC ( C) 120 C Diag No. T−03 D max T max Voice (973) 748−5089 Dimensions (in/mm) FAX (973) 748−6224 http://www.nteinc.com