welwyn components general note welwyn components reserves the right to make changes in product specification without notice or liability. all information is subject to welwyns own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? welwyn components limited bedlington, northumberland ne22 7aa, uk telephone: +44 (0) 1670 822181 ? facsimile: +44 (0) 1670 829465 ? email: info@welwyn-tt.com ? website: www.welwyn-tt.com chc series issue june 2006 platinum temperature sensor ? high stability platinum based sensor ? high resolution, accuracy and interchangeability ? compatible with automatic placement equipment ? wide temperature range - very fast response time ? surface mount package available with snpb and pb-free terminations electrical data performance data the temperature sensor is a conventional thin flm platinum RTD in a surface mount package designed for temperature sensing, over-temperature protection and tempera - ture compensation in any application where printed circuit board temperature sensing is desired. self heating p0603 p0805 p1206 0.14c / mw 0.13c / mw 0.13c / mw available resistances 100 ? 100 ? 100 ?, 1.0k ? resistance tolerances 0.5%, 1%, 2%, 5% operating temperature range -55c to +150c temperature coeffcient +3850 ppm/c insulation resistance 10m ? minimum at 25c recommended measuring current 1ma long term stability (10,000 hours at 125c) <0.05% termination 60/40 snpb or 100% sn settling response time p0603 p0805 p1206 rapidly stirred oil 0.1s (t 0.5 ) 0.4s (t 0.9 ) 0.1s (t 0.5 ) 0.4s (t 0.9 ) 0.2s (t 0.5 ) 0.6s (t 0.9 ) air @ 1m/s 1.1s (t 0.5 ) 3.7s (t 0.9 ) 1.2s (t 0.5 ) 4.2s (t 0.9 ) 1.8s (t 0.5 ) 6s (t 0.9 ) * temperature coefficient in accordance with iec751 RTD series
chc series issue june 2006 w elwyn components ? w e l wyn components limited bedlington, northumberland ne22 7a a , uk t elephone: +44 (0) 1670 822181 ? f acsimile: +44 (0) 1670 829465 ? email: info@welwyn-tt.com ? w ebsite: ww w .welwyn-tt.com plati n um t empe r ature sensor orde r ing data p h ysical data f or additional information or to discuss your speci c requirements, please contact our applications t eam using the contact details belo w . l a w h b t o p side bo tt om l w h a b p0603 1.60 0.1 0.79 0.1 0.51 0.1 0.20 0.1 0.20 0.1 p0805 2.06 0.13 1.27 0.13 0.51 0.15 0.41 0.2 0.41 0.2 p1206 3.20 0.13 1.60 0.13 0.61 0.1 0.41 0.2 0.41 0.2 e x a m p l e : p 1 206 w i t h t cr o f + 385 0 p p m / c 100p p m / o c a t 100 o h m s and 1% t o l e r an c e and t ape pa ck ed on a r ee l - p 1 2 0 6 ? 4 2 ? 1 0 0 r f i t y p e t c r 4 2 + 3 850p p m / c 10 0 p p m / c 4 3 + 3850p p m / c 5 0p p m / c v a l ue ( u s e i e c62 c ode ) t o l e r an c e ( u s e i e c62 c ode ) d 0 . 5 % g 2 % f 1 % j 5 % p a ck i ng i t ap e 1000 t o 400 0 / r ee l s t and a r d n o t e : t h i s c o d e ap p l i e s t o s t an d a r d pb - f r ee t e r m in a t i on f i n i s h .
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