cptc thermistor: twin smd type ppl serie s overload protection for telecom application thinking electronic industrial co., ltd. 1 www.thinking.com.tw 2010.08 features 1. rohs compliant 2. two resistance-matched ptcs in a plastic housing 3. wide resistance range in telecom area from 10 to 50 4. agency recognition: ul/cul/tuv 5. compliant with itu-t standards 6. operating temperature range 0 ~ +60c (v=vmax) -25 ~ +125c (v=0) recommended applications 1. cable modem, adsl modem with voip 2. customer premise equipment (cpe) 3. central office (co) 4. access equipment (ae) 5. main distribution frame (mdf) 6. public switched telephone network (pstn) 7. exchanger part number code p p l 0 7 5 0 0 m a 0 c 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 product code ppl ptc thermistor for overload protection dimensions 07 7mm resistance (r 25 ) 7r0 7 100 10 500 50 tolerance of r 25 k 10% l 15% m 20% h 25% n 30% y special curie temperature p8 80 a0 100 a2 120 a4 140 voltage a4 140v ac b5 250v ac c0 300v ac internal control code
cptc thermistor: twin smd type ppl serie s overload protection for telecom application thinking electronic industrial co., ltd. 2 www.thinking.com.tw 2010.08 structure and dimensions characteristics note1: =tolerance of r 25 note2: ul/cul file no. e138827 tuv file no. r 50171789 nominal zero- power resistance resistance matching in housing non- operating current at 25 non- operating current at 40 trip current at 25 responding time s max voltage max. current safety approvals part no. r 25 ( ) O r 1 -r 2 O ( ) i n (ma) @25 i n (ma) @40 i t (ma) @25 3a 0.5a 1a 0.5a 0.5a 0.15a (v ac ) i max (a) ul/ cul tuv ppl07100 a0b5-y 10 130 120 390 0.8 8.0 35 250 2.5 ? ? ppl07180 a0b5-y 18 110 100 330 0.4 2.5 10 250 3 ? ? ppl07250 a0b5-y 25 90 80 225 0.35 2.0 10 250 3 ? ? ppl07390 a0b5-y 39 70 65 180 0.3 1.0 4.0 250 3 ? ? ppl07500 a0c0-y 50 0.5 60 55 165 0.15 0.8 3.5 300 3 ? ?
cptc thermistor: twin smd type ppl serie s overload protection for telecom application thinking electronic industrial co., ltd. 3 www.thinking.com.tw 2010.08 r-t characteristic curves (typical) circuit for typical application ppl07500 a0b5 ppl07390 a0b5 ppl07250 a0b5 ppl07180 a0b5 ppl07100 a0b5 ptc ptc ptc ptc primary protection secondary protection subscriber lines voltage clamp subscriber loop interface circuit (slic) or transformer 25 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 temperature ( ) 10 8 10 7 10 6 10 5 10 4 10 3 10 2 10 1 10 0
cptc thermistor: twin smd type ppl serie s overload protection for telecom application thinking electronic industrial co., ltd. 4 www.thinking.com.tw 2010.08 soldering recommendation ir-reflow soldering profile recommended reworking conditions with soldering iro n item conditions temperature of soldering iron-tip 360 (max.) soldering time 3 sec (max.) diameter of soldering iron-tip 3mm (max.) 3 c /sec (max.) 60~180 sec 20~40 sec 15020 time 255~260 c 150~200 c tamb 3c/sec (max.) 217 c 60~150 sec t 8 minutes max preheating cooling 6 c /sec (max.)
cptc thermistor: twin smd type ppl serie s overload protection for telecom application thinking electronic industrial co., ltd. 5 www.thinking.com.tw 2010.08 reliability item standard test conditions / methods specifications solderability iec60068-2-58 245 5 , 3 0.3 sec. at least 95% of terminal electrode is covered by new solder resistance to soldering heat iec60068-2-58 255 5 ,10 1 sec. r/r OO 25 20% OO no visible damage vibration iec60068-2-6 frequency range: 10~55hz amplitude: 0.75mm or 98m/s2 direction: 3 mutually perpendicular directions, 2hr s each. r/r OO 25 20% OO no visible damage shock iec60068-2-27 wave: half-sine S v:1.0m/s acceleration: 50m/s2 pulse time:30ms r/r OO 25 20% OO no visible damage rapid change of temperature iec60068-2-14 the rapid change conditions shown below shall be re peated 5 cycles. step temperature( ) period(minutes) 1 -40 3 30 3 2 room temperature 5 3 3 85 2 30 3 4 room temperature 5 3 r/r OO 25 20% OO no visible damage climatic sequence iec60738-1 +40 , 20%r.h x 24hrs 100 x 16hrs 25 x 2hrs +40 , 95%r.hx 24hrs 0 x 2hrs +40 , 95%r.hx 24hrs 25 x (1~2)hrs r/r OO 25 20% OO no visible damage high temperature storage iec60068-2-2 60 , for 1000 hrs r/r OO 25 20% OO no visible damage high temperature continuous load iec60738-1 60 , vmax, it cptc thermistor: twin smd type ppl serie s overload protection for telecom application thinking electronic industrial co., ltd. 6 www.thinking.com.tw 2010.08 packaging taping specification quantity reel packing: 400 pcs / reel item nominal dimensions tolerance d 330 5 w 17.5 0.5 t 5 0.5 d1 75 1.5 storage condition of products storage conditions : 1. storage temperature : -10 ~+ 40 2. relative humidity : 75%rh O 3. keep away from corrosive atmosphere and sunlight . period of storage: 1 year. index nomin al dimensions tolerance w 16.00 0.30 p 16.00 0.10 e 1.75 0.10 f 7.50 0.10 p2 2.00 0.10 p0 4.00 0.10 d0 1.50 +0.10/-0.00 d1 1.50 +0.10/-0.00 a0 8.4 0.10 b0 8.9 0.10 k0 9.3 0.10 t 0.5 0.05 (unit: mm) (unit: mm)
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