model 1451 1451 www.measspec.com 1008 1/4 ? pc board mountable pressure sensor ? 0-60 mv output ? gage and absolute ? low cost description the model 1451 is a piezoresistive silicon pressure sensor packaged in a surface mount configuration. it is intended for high volume applications where s mall size, light weight, low cost, and compatibilit y with automated assembly equipment are required. the pressure sensor is available with a gage or abs olute pressure sensing chip that is attached to a surface mountable ceramic substrate. a plastic cap is attached to the ceramic substrate, protecting th e chip and providing the pressure port. the devices are shipped in plastic antistatic ship ping tubes for use with automated production equipment. the drawing shows a standard tube versio n. ports are also available with a narrow hole or a large hole to interface with the pressure media. features applications ? surface mount package ? altitude measurement ? 0.25% pressure non linearity ? barometric pressure ? 3 pressure port options ? medical instrumentation ? solid state reliability ? consumer appliances ? low power ? tire pressure standard ranges range psia psig 0 to 5 w, n, t 0 to 15 w, n, t w, n, t 0 to 30 w, n, t w, n, t 0 to 50 w, n, t w, n, t 0 to 100 w, n, t w, n, t 0 to 250 w, n 0 to 500 w, n port options: w = wide hole (gel fill option available), n = narr ow hole, t = tube
model 1451 1451 www.measspec.com 1008 2/4 performance specifications supply voltage: 3 vdc ambient temperature: 25c (unless otherwise specifi ed) parameters min typ max units notes span 30 60 120 mv 1 zero pressure output 25 25 mv pressure non linearity 0.25 0.25 %span 2 pressure hysteresis 0.1 0.1 %span input & output resistance 3500 5000 6000 temperature coefficient C span 0.13 %/c 3 temperature coefficient C zero 0.05 %/c 3 temperature coefficient C resistance 0.15 %/c 3 thermal hysteresis C zero 0.2 0.2 %span 3 supply voltage 3.0 12.0 vdc response time (10% to 90%) 1.0 ms 4 output noise (10hz to 1khz) 1.0 v pp long term stability (offset & span) 0.5 %span 5 pressure overload 3x rated 6 operating temperature 40 +125 c storage temperature 50 +150 c weight 0.3 grams soldering temperature 250c max 5 sec. 7 media noncorrosive dry gases compatible with silicon, py rex, rtv, gold, lcp (liquid crystal polymer), and aluminum notes 1. ratiometric to supply voltage. 2. best fit straight line. 3. over the temperature range 050c with respect t o 25c. 4. for a zerotofull scale pressure step change. 5. long term stability over a one year period with constant voltage and temperature. 6. for sensors above 100 psi, the entire sensor is required to be inside the pressure chamber. 7. for mounting instructions, please refer to the a pplication note mounting instructions for smt pres sure sensors.
model 1451 1451 www.measspec.com 1008 3/4 dimensions connections
model 1451 1451 www.measspec.com 1008 4/4 ordering information 1451 015 a t f model pressure range type (a = absolute, g = gage) port (t = tube, n = narrow hole, w = wide hole) coating (f = gel fill, blank = no coating) north america europe asia measurement specialties 45738 northport loop west fremont, ca 94538 tel: 18007671888 fax: 15104981578 sales: pfg.cs.amer@measspec.com measurement specialties (europe), ltd. 26 rue des dames 78340 les clayessousbois, france tel: +33 (0) 130 79 33 00 fax: +33 (0) 134 81 03 59 sales: pfg.cs.emea@measspec.com measurement specialties (china), ltd. no. 26 langshan road shenzhen hightech park (north) nanshan district, shenzhen 518107 china tel: +86 755 3330 5088 fax: +86 755 3330 5099 sales: pfg.cs.asia@measspec.com the information in this sheet has been carefully re viewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. furthermore, this information does no t convey to the purchaser of such devices any licen se under the patent rights to the manufacturer. measurement specialties, inc. reserve s the right to make changes without further notice to any product herein. measurement specialties, inc. makes no warranty, representation or guarantee regarding the suitability of its prod uct for any particular purpose, nor does measurement specialties, inc. assume any liability arising out of the application or use of any produc t or circuit and specifically disclaims any and all liability, including without limitation consequential or incidental damages. typical param eters can and do vary in different applications. all operating parameters must be vali dated for each customer application by customers t echnical experts. measurement specialties, inc. does not convey any license under its patent rights nor the rights of others.
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