58 05/02 applications temperature measurement and compensation in hybrid circuits data systems telecom systems automotive electronics features silver palladium termination (agpd) cost-effective suitable for wave and reflow soldering options alternative resistance ratings and resistance toler ance < 5% available on request delivery mode blister tape, 180-mm reel, pu: 4000 pcs +: j for ? r n / r n = 5 % k for ? r n / r n = 10 % m for ? r n / r n = 20 % climatic category (iec 60068-1) max. power at 25 c (on pcb) p 25 resistance tolerance ? r n / r n rated temperature t n b value tolerance ? b / b dissipation factor (on pcb) th 1) thermal cooling time constant (on pcb) c 1) heat capacity c th 1) 55/125/21 210 5 %, 10 %, 20 % 25 3 % approx. 3,5 approx. 10 approx. 35 mw c mw/k s mj/k r 25 no. of r / t characteristic b 25/50 k b 25/85 k b 25/100 k ordering code 220 3207 3060 3090 3100 b57620c0221+062 330 3204 3190 3250 3250 b57620c0331+062 470 3205 3270 3290 3300 b57620c0471+062 680 3206 3420 3440 3450 b57620c0681+062 1 k 3206 3420 3440 3450 b57620c0102+062 2,2 k 1304 3250 3280 3300 b57620c0222+062 4,7 k 1010 3470 3510 3530 b57620c0472+962 dimensions in mm approx. weight 13 mg termination 0,50,25 1,250,15 2,00,2 tnt0397-7-e 1,3 max. 1) depends on mounting situation b57620 temperature measurement c 620 smd ntc thermistors with silver palladium terminati on, size 0805
59 05/02 +: j for ? r n / r n = 5 % k for ? r n / r n = 10 % m for ? r n / r n = 20 % r 25 no. of r / t characteristic b 25/50 k b 25/85 k b 25/100 k ordering code 10 k 1011 3660 3730 3730 b57620c0103+062 22 k 2003 3930 3960 3980 b57620c0223+062 47 k 2101 4030 4080 4100 b57620c0473+062 100 k 2903 4120 4190 4200 b57620c0104+162 220 k 2904 4230 4280 4300 b57620c0224+062 reliability data smd ntc thermistors are tested in accordance with i ec 60068. the parts are mounted on a standardized pcb in accordance with iec 60539-1. test standard test conditions ? r 25 / r 25 (typical) remarks storage in dry heat iec 60068-2-2 jis c 0021 storage at upper category temperature t : (125 2) c t : 1000 h < 3 %/ < 6 % 1) storage in damp heat, steady state iec 60068-2-3 jis c 0022 temperature of air: (40 2) c relative humidity of air: (93 +2/ 3) % duration: 21 days < 3 % no visible damage rapid temperature cycling iec 60068-2-14 jis c 0025 lower test temperature: 55 c upper test temperature: 125 c number of cycles: 10 < 3 % endurance p max : 210 mw t : (65 2) c t : 1000 h < 5 % solderability iec 60068-2-58 jis c 0054 solderability: (215 3) c / (3 0,3) s (235 5) c / (2 0,2) s resistance to soldering heat: (260 5) c / (10 1) s 95 % of terminations wetted resistance drift after soldering reflow soldering profile wave soldering profile < 5 % 1) the higher value applies to 220 1 k types. b57620 temperature measurement c 620 smd ntc thermistors with silver palladium terminati on, size 0805
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