surface mount divider network sot series ultra-stable tansil resistors on silicon reliable, no internal cavity low cost, highly reliable, wire bonded package small footprint, less than 0.025 square inches general note welwyn components reserves the right to make changes in product specification without notice or liability. all information is subject to welwyn s own data and is considered accurate at time of going to print. ?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 electrical data issue c ?07.03 a subsidiary of tt electronics plc welwyn components resistance range ohms 10r to 100k per resistor absolute tolerance to 0.1% ratio tolerance to 0.05% absolute tcr ppm/? to ?5 tracking tcr ppm/? to ? operating temperature range ? -55 to +125 maximum operating voltage ? 100v or =pxr noise <-25db substrate silicon package power rating watts 0.25 63 performance data environmental performance to mil-prf-83401 test characteristic h ? limit max ? r typical ? r thermal shock 0.5 0.1 0.02 power conditioning 0.5 0.1 0.03 low temperature operation 0.1 0.1 0.03 short time overload 0.1 0.1 0.02 terminal strength 0.25 0.1 0.02 resistance to solder heat 0.1 0.1 0.02 moisture resistance 0.4 0.1 0.03 shock 0.25 0.1 0.02 vibration 0.25 0.1 0.02 life 0.5 0.1 0.05 high temperature exposure 0.2 0.1 0.05 low temperature storage 0.1 0.05 0.03 25% double load 0.5 0.1 0.05 sot_c.qxd 22/7/03 2:26 pm page 1
surface mount divider network sot series ?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 64 issue c ?07.03 welwyn components tansil sot resistor networks are ideally suited for low cost divider applications that demand precision performance in a small printed wiring board footprint. available in a sot23 package, it is fully compatible with the latest surface mount assembly techniques. compliant gull wing leads relieve thermal expansion and contraction stresses created by soldering and temperature excursions. the tantalum nitride film system on silicon provides precision tolerance, exceptional tcr tracking and miniature physical dimensions. excellent performance is harsh, humid environments is a trademark of self-passivating, tansil resistor film. for applications requiring high performance resistor dividiers in a surface mount packge, specify sot series resistors packaging resistor networks are supplied taped and reeled. dimensions (inches) 0.1125" .0075 0.018" .003 0.051" .004 0.075" .005 0.0205" .0035 0.0375" .0025 1 2 3 12 3 r1 r2 schematic as viewed from top 0.0395" .0045 0.0005" to 0.004" 0.018" ?0.028 ref 0.0075" .004 0.005" .002 sot_c.qxd 22/7/03 2:26 pm page 2
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