cptc thermistor thinking electronic industrial co., ltd. 1 product data heating features recommended applications 1. self-regulating heating element 2. contant temperature 3. circuit simple 4. suitable for clamp-contacting 5. stable over a long life 1. home appliances (air conditioner) 2. automobile dimensions phr series a b c (unit: mm)
thinking electronic industrial co., ltd. 2 characteristics phr series part n o. note: =tolerance of r 25 dimensions nominal zero-power resistance rated voltage tc ( ) ts ( ) r( ) 25 v(v) r curie temperature maximum voltage v(v) max surface temperature a 1(mm) c 0.2(mm) b 1(mm) phra1301 p7a4 phra1181 p7a4 phra1701 p8b7 phra2501 p9b7 phra3801 b1b7 phra2301 b3a4 phra2701 b4b7 phra4501 b4b7 70 70 80 90 210 230 240 240 85 90 100 110 230 250 255 255 300 180 700 500 800 300 700 500 100/120 100/120 220/240 220/240 220/240 100/120 220/240 220/240 140 140 270 270 270 140 270 270 16 16 16 23.5 19 23.5 23.5 36 11 11 11 10 12 10 10 6 2.5 2.5 2.5 2.2 2.2 2.2 2.2 2.3 item test condition / methods standard rapid change of temperature temperature coefficient of resistance endurance at upper category temperature endurance at maximum operating temperature and maximum voltage endurance at room temperature (cycling) damp heat steady state t tc+25 tc+10 tc =ln(r /r ) 15 r =2rmin voltage: v temperature: uct duration: 1000 hrs max voltage: v number of cycle 10,000 or 100,000 max temperature: 25 5 temperature: 40 5 relative humidity of air: 95 98%rh duration: 1000 hrs t =lct t =uct number of cycles:5 duration: 30 min ab temperature: uct duration: 1000 hrs iec60068-2-14 te s t n a iec 60738-1 iec 60738-1 iec 60738-1 iec 60738-1 iec 60068-2-3 te s t c a reliability test issue date: july, 2004
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