Fusible resistors PNFR25/25H/1W/2W FEATURES * Overload protection without risk of fire * wide range of overload currents. APPLICATIONS * TV, Monitor, Audio, Video DESCRIPTION A homogeneous film of metal alloy TYPE is Deposited on a high grade ceramic body. After a laser groove has been cut in the resistive layer, tined connecting leads of electrolytic copper are welded to the end-caps Dimensions ( mm ) L1 L2 d max. max. ( 0.05) D Max. PNFR25 2.5 6.5 7.5 0.55 PNFR25H 2.5 6.5 7.5 0.55 PNFR 1W 3.9 10 12 0.8 PNFR 2W 3.9 10 12 0.8 QUICK REFERENCE DATA DESCRITION resistance range resistance tolerance temperature coefficient : R 4.7 R > 4.7 VALUE PNFR25 PNFR25H PNFR 1W 0.2 to 15 PNFR 2W 0.1 to 10 10%, 5%, 2% ( E24) 1%, ( E48, E96 series ) 250 ppm / 200 ppm / 250 ppm / 200 ppm / 250 ppm / 200 ppm / 250 ppm / 200 ppm / 0.33 W 0.5 W 1W 2W max. working voltage 250 V 350 V 350 V 500 V max. overload voltage 400 V 500 V 500 V 700 V rated dissipation at Tamb = 70 max. 1.5 /V noise : basic specifications IEC 60 115-1 and 60 115-2 climatic category (IEC60) 55 / 155 / 56 stability, R/R max. after load : 1000 hours 1% +0.05 1% +0.05 5% +0.1 5% +0.1 climatic tests : 1% +0.05 1% +0.05 3% +0.1 3% +0.1 0.25% +0.05 0.25% +0.05 1% +0.05 1% +0.05 soldering short time overload fusing characteristic 0.25% +0.05 1% +0.05 R < 1 : rated power 25 times ( 30sec. Max.) R > 1 : rated power 15 times ( 30sec. Max.)