Precision Fixed Metal Film Resistors, Panasonic High Stability, ERNSB Precision Fixed Metal Film Resistors, High Stability Type: ERNSB @ Features @ High Precision Type Resistance tolerance: +0.1 %, T.C.R.: +5 ppm/C @ High Stability for Long Time Very excellent characteristics over long time for load life and humidity long life characteristics @ Small and Light Weight Small and coating type @ Approved under the ISO-9001 system @ Recommended Applications @ A/D, D/A converters, measuring equipments Control units, Industrial meters, Electronic balances (for precision circuit) a Explanation of Part Numbers el tel Gl Oe (el fel 0 Bl Gol Product Code Power Rating = Resistance Nominal Resistance Value Precision at 70 C Amb. Coefficient Tolerance The first three digits are significant he Resin code |_AFower Code, perc Code|_Tol.% doit denotes number of zeros, Film Resistors B 0.25 W s +5 B |s0.10% following. R +10 C_ | +0.25 % D | +0.50% F {21.00% i Construction Dimensions in mm (not to scale) _ 30.0030 , L , 300130 | oD, 4 | db Vapor evaporated NiCr . t = - alloy film \ Lead wire Va od Marking SB Ceramic core, high . 1KO0 thermal conductivity insulative coating 5B 1K00 Spiraling = Primary protective Part N Dimensions (mm) coating art No. Welding "~ L gD gd rd oN ERNSB 6.3040.50 2.50+0.20 0.60+0.05 End cap mm 69392855 0013944 705 58Precision Fixed Metal Film Resistors, Panasonic High Stability, ERNSB @ Ratings p Maximum Dielectri Resist Resistance ower Maximum aximu Dielectric TCR. esistance Range Weight Part No. Rating RCWV# Overload |Withstanding (ppm/C) Tolerance (Q) /1000 pes at 70 C Voltage** Voltage PP (%) 9 pes. min. | max. +0.10 ERNSB 0.25 W 250 V 500 V 500 V +5 +0.25 100 | 150k 219 +10 +0.5 +1 * Rated Continuous Working Voltage (RCWV) shall be determined from RCWV= Power Rating x Resistance Value, or maximum RCWYV listed above, whichever less. %* & Short-time Overload Test Voltage (SOTV) shall be determined from SOTV=2.5 x Power Rating or max. Overload Voltage listed above whichever less. Power Derating Curve For resistors operated in ambient temperatures above 70C, power rating shall be derated in accordance figure below. 120 100 Rated Load (%) 2 o oO bt Oo 20 180 C 265 -40 -20 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (C) A\Cautions for Safety Refer common precautions (ERS page) and indi- vidual cautions (ER55 page). Me 6932855 0013945 6445