ntcaflex05 series www.vishay.com vishay bccomponents revision: 21-sep-17 1 document number: 29132 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ntc thermistors, flex foil sensors design support tools click logo to get started ? ntc curve computation: ? www.vishay.com/thermis tors/ntc-curve-list/ notes (1) measured from 25 c ai r to 125 c heated plate, pressed on the surface (2) withstanding voltage up to 4 kv ac between the ntc and the bottom stiffener (3) thermal time constant and thermal gradient are dependent on the way of mounting features ? rapid response time on surface down to 2 s ? suitable for narrow space applications ? high flexibility of the foil ? insulated and humidity resistant ? a strain relief hole is included in the flex design to avoid traction to the sensor head ? gold plated terminations ? aec-q200 qualified ? material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 applications ? consumer appliances and white goods ? power supply (heat-sinks) ? battery, displays, led ? industrial applications, robotics ?boilers ? ev and hv batteries description ? miniature ntc thermistor body mounted on an insulated flex foil and topped with an insulating epoxy glob top ? for flat surface temperature sensing with low thermal mass and rapid response time mounting ? the stiff flat sensing area can be pressed against a flat surface by means of insulating material (silicone foam), by spring force or by taping it with a double sided temperature resi stant adhesive ? the sensor contacts can be connected to a pcb counter-connector or wire-to-wire connector or soldered to conductors, or crimped with ffc connectors and zif connectors ? a mating connector can be for example a 0.5 mm pitch 7 poles connector for fpc, with top contacts, accepting 4 mm fpc width, zif or non-zif versions. the poles (1 + 2) and (6 + 7) can be used for the electrical connection. for example in smt versions : te 1734839-7, hirose fh34s-7s-0,5sh(50), molex 054550-0771, molex 052745-0797 ? consult vishay for other screw sizes, lead length, insulation, connector crimping or other features note ? ffc/fpc = flexible film circuit/flexible printed circuit quick reference data parameter value unit resistance value at 25 c 10k to 122k ? tolerance on r 25 -value 1; 3 % b 25/85 -value 3435 to 3960 k tolerance on b 25/85 -value 1 % operating temperature range at zero power -40 to +125 c thermal time cons tant by heating (1) (3) 2s thermal gradient (3) < 0.02 k/k minimum dielectric withstanding voltage (2) 500 v ac minimum insulation resistance 10 m ? maximum dissipation at 25 c 60 mw weight (without connector) 0.06 g available model s s ign tool s electrical data and ordering information r 25 ( ? ) r 25 -tol. ( %) b 25/85 (k) b 25/85 -tol ( %) description sap material and ordering number 10 000 1 3435 1 ntc flex05 10k 1 % 3435k 25 mm ntcaflex05103fl 10 000 3 3960 1 ntc flex05 10k 3 % 3960k 25 mm ntcaflex05103hh 47 000 3 3960 1 ntc flex05 47k 3 % 3960k 25 mm ntcaflex05473hh 122 000 1 3590 1 ntc flex05 122k 1 % 3590 k 25 mm ntcaflex05124fm
ntcaflex05 series www.vishay.com vishay bccomponents revision: 21-sep-17 2 document number: 29132 for technical questions, contact: nlr@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 mechanical data 1. ntc on flex foil circuit, sensing area on the flat bottom side 2. flex foil circuit 3. high quality modified epoxy glob top 4. conductive tracks, gold plated sap codification part number: ntcaflex01473hh model assembly flex sensor mechanical execution resistance value tolerance on r 25 b-value range option ntc a flex 05 103 = 10 x 10 3 ? 473 = 47 x 10 3 ? 124 = 12.2 x 10 4 ? h = 3 % f = 1 % l (low) = 3000 ? b 25/85 < 3500 m (medium) = 3500 ? b 25/85 < 3750 h (high) = 3750 ? b 25/85 < 4000 x (very high) = 4000 ? b 25/85 < 4250 blank dimensions in millimeters l1 l15 l2 ? d1 l4 l5 h1 p p2 20 1 25 1 3 0.5 6 0.5 4 1 3 1 1.40 0.2 2.50 1 reliability test (following iec 60068 test methods) test procedure requirement dry heat, steady state 125 c; 1000 h ? r / r ? 3 % damp heat, steady state 56 days at 40 c 90 % to 95 % rh ? r / r ? 3 % rapid change of temperature - 40 c to +125 c; 100 cycles ? r / r ? 3 % n t c a f l e x 0 5 4 7 3 h h
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