PRODUCT BULLETIN PRD - SERIES WILLOW TECHNOLOGIES LTD. SHAWLANDS COURT, NEWCHAPEL ROAD LINGFIELD, SURREY, RH7 6BL, ENGLAND Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-mail [email protected] Website http://www.willow.co.uk SIP NETWORK VOLTAGE DIVIDERS HIGH STABILITY LOW TC TIGHT TOLERANCE 0.005% MATCHING AND 1 PPM/°C TRACKING AVAILABLE RUGGED CONSTRUCTION Dimensions (max) TYPE H L W P PRD .440 .380 .180 .100 L.D. .025 L.L. .250 w L Specifications H Type .1 W Power Rating / Element L.L. L.D. P 50R - 500K Nominal Resistance Value 300 V Max. Operating Voltage Schematic Diagram R1 PRD R2 Resistance Tolerance Temperature Coefficient of Resistance Absolute Tolerance ±1.0% thru ±0.01% Matching 1% to ±0.005% Absolute TCR ±100 PPM thru ±5 PPM Tracking TCR 50 PPM to 1 PPM/°C Typical Performance (100 ohms - 100K) Dimensional Correlation in. mm .025 .64 .100 .180 2.54 4.57 .250 6.35 .380 9.65 .440 11.18 Ref: EIA RS-186 (where applicable) % R 1000 Hr. Load Life 85°C .............. ±0.02 ±0.04 Humidity ...................................... Thermal Shock ............................ <0.01 Short Time Overload ................... <0.01 % R Effects Of Solder ........................... <0.01 <0.01 Dielectric Withstanding ................ Noise .............................................<-30dB Insulation Resistance ......>10000 M. OHM Shelf Life ...........................<50 PPM/YR. How to Order Sample Part Number PRD TC25 1K / 10K ±0.1% 5PPM .01% Tolerance Tracking TCR Tracking Resistance Tolerance R2 Resistance Value R1 Resistance Value TCR Type DEDICATION TO EXCELLENCE Subject to change without notice REV A 11/23/99