ptc thermistors for overcurrent protection smds, eia size 1210, 24 v, 63 v series/type: b59606, b59607, b59707 release: date: ? epcos ag 2003. reproduction, publication and dissemination of this data sheet, enclosures hereto and the information con- tained therein without epcos' prior express consent is prohibited. purchase orders are subject to the general conditions for the supply of products and services of the electrical and electronics in- dustry recommended by the zvei (german electrical and electronic manufacturers' association), unless otherwise agreed.
1) measured on component soldered to standardized pcb applications overcurrent protection short-circuit protection features thermistor chip with lead-free tinned terminations small size short response times suitable for reflow soldering only suitable for automatic placement delivery mode blister tape, 180-mm reel dimensional drawing dimensions in mm general technical data switching cycles n 100 tolerance of r r d r r 25 % operating temperature range (v = 0) t op 40/+125 c (v = v max ) t op 0/+60 c electrical specifications and ordering codes type i r 1) ma i s 1) ma i smax (v = v max ) a t ref c r r w r min w ordering code v max = 30 vdc or vac , v r = 24 vdc or vac a606 90 180 0.5 110 27 17 b59606a0110a062 a607 70 130 0.4 120 55 30 B59607A0120A062 v max = 80 vdc or vac , v r = 63 vdc or vac a707 50 90 0.3 120 125 75 b59707a0120a062 overcurrent protection b59606, b59607, b59707 smds, eia size 1210, 24 v, 63 v a606, a607, a707 2
reliability data test standard test conditions d r 25 /r 25 switching test at room temperature iec 60738-1 i smax; v max number of cycles: 100 < 25% dry heat at upper category temperature iec 60738-1 storage at upper category temperature for t : 1000 h < 25% life test at v max /t op iec 60738-1 storage at v max /t op for t : 1000 h < 25% storage in damp heat iec 60068-2-3 temperature of air: 40 c relative humidity of air: 93% duration: 56 days < 10% rapid change of temperature in air iec 60068-2-14, test na t = t lct , t = t uct number of cycles: 5 t = 30 min < 10% vibration iec 60068-2-6, test fc f = 10 - 55 hz h = 0.75 mm (respectively 10 g) t = 3 2 h < 5% bump iec 60068-2-27 pulse shape: half-sine a = 50 g pulse duration: 1 ms; 6 3 pulses < 5% climatic sequence iec 60068-2-30 dry heat: t = t uct t : 16 h damp heat first cycle cold: t = t lct t : 2 h damp heat 5 cycles < 10% bending test en 130000/4.35 components reflow-soldered to test board maximum bending: 2 mm < 10% overcurrent protection b59606, b59607, b59707 smds, eia size 1210, 24 v, 63 v a606, a607, a707 3
characteristics (typical) ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection b59606, b59607, b59707 smds, eia size 1210, 24 v, 63 v a606, a607, a707 4
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