Metal (Oxide) Film Resistors Metal (Oxide) Film Resis tors Type: ERG(X)S (Small size) (0.5 W, 1 W, 2 W, 3 W, 5 W) ERG(X)F (Anti-heat conducting for PCB) (1 W, 2 W, 3 W, 5 W) Features Miniaturized 50 % smaller compared to existing models Non- ammable High Reliability Automatic Insertion Reference Standards IEC 60115-2, IEC 60115-4, JIS C 5201-4, EIAJ RC-2138 RoHS compliant Explanation of Part Numbers Ex.1 : ERX type 1 2 3 4 5 6 7 8 9 10 11 12 E R X 2 SZ J W 1 R 0E Power Rating at 70 C Resistance Product Code Style Specication Resistance Value Tolerance 12 0.5 W Metal Film Small size The rst two digits are signicant gures ERX S J 5 % Resistors 1 1 W 0.5 W to 5 W of resistance and the third one denotes G 2 % 2 2 W Small size Anti-heat number of zeros following. 3 3 W conducting type Decimal point is expressed by F 5 5 W (Fe lead wire) (Ex.) 1R0 : 1.0 1 W to 5 W Z is added according to resistance. The matrix of forming and packaging is as shown in the table below. Forming & Taping matrix Resistance Resistance Value Range () Part No. Code Forming / Packaging Tolerance ERXSZ ERXS 12S 1S 2S 3S 5S 1F 2F 3F 5F 5 % 0.10 to 0.18 0.20 to 9.1 Straight lead wire type ERX12S 2 % 0.10 to 0.91 1.0 to 9.1 P Cut & Forming type ERX1S 5 % 0.10 to 0.18 0.20 to 9.1 V Axial taping type (Straight lead) ERX1F 2 % 0.10 to 0.91 1.0 to 9.1 UV Axial taping type (Stand off) ERX2S 5 % 0.10 to 0.20 0.22 to 9.1 E Radial taping type (E type) ERX2F 2 % 0.10 to 0.91 1.0 to 9.1 WE Radial taping type (WE type) ERX3S 5 % 0.10 to 0.20 0.22 to 9.1 H Cut & Forming type ERX3F 2 % 0.10 to 0.91 1.0 to 9.1 SE Radial taping type (SE type) ERX5S 5 % 0.33 to 9.1 ERX5F 2 % 1.0 to 9.1 The above example 1 shows a small metal film resistor, 2 W power rating, resistance value of 1.0 , tolerance 5 %, and package of radial taping. Ex.2 : ERG type 1 2 3 4 5 6 7 8 9 10 11 12 E R G 2SWJ 1 0 3E Resistance Value Product Code Power Rating at 70 C Style Specication Resistance Tolerance The rst two digits are signicant gures Metal Oxide 12 0.5 W Small size S ERG J 5 % of resistance and the third one denotes Film Resistors 1 1 W 0.5 W to 5 W G 2 % number of zeros following. 2 2 W Small size Anti-heat Decimal point is expressed by 3 3 W conducting type F (Ex.) 103 : 10 k 5 5 W (Fe lead wire) 1 W to 5 W The matrix of forming and packaging is as shown in the table below. Forming & Taping matrix Code Forming / Packaging 12S 1S 2S 3S 5S 1F 2F 3F 5F Straight lead wire type P Cut & Forming type V Axial taping type(Straight lead) UV Axial taping type(Stand off) E Radial taping type(E type) WE Radial taping type(WE type) H Cut & Forming type SE Radial taping type(SE type) The above example 2 shows a small metal oxide film resistor, 2 W power rating, resistance value of 10 k, tolerance 5 %, and package of radial taping. Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 02 Sep. 2014Metal (Oxide) Film Resistors Construction Dimensions in mm (not to scale) Lead wire k L k fD S type : Cu wire High reliable metal oxide lm (ERG) ( ) fd F type : Fe wire High reliable metal plating lm (ERX) Mass Dimensions (mm) Part No. (Weight) Ceramic core L 0D k 0d g/pc. (High thermal conduc tiv i ty) +0.65 +0.5 3.0 0.05 ERG(X)12S 6.35 2.3 30.0 0.65 0.26 0.35 0.3 Spira l ling 0.05 turns Marking ERG(X)1S 0.65 +1.50 0.5 3.0 9.00 1.00 2.8 30.0 0.33 0.05 ERG(X)1F 0.80 ERG(X)2S +1.50 1.0 3.0 0.05 12.00 1.00 4.0 30.0 0.80 0.66 ERG(X)2F ERG(X)3S 1.50 1.0 3.0 0.05 15.00 5.5 38.0 0.80 1.47 Flame and solvent retardant ERG(X)3F ERG(X)5S 1.50 1.0 3.0 0.05 End cap 24.00 8.0 38.0 0.80 3.54 ERG(X)5F Ratings Maximum Dielectric Power Limiting Maximum Resistance Intermittent With stand ing Res. Standard (5) Rating Element Overload T.C.R. Range () Part No. Overload Voltage Tol. Resistance (1) (2) 6 at 70 C Voltage Voltage (3) (4) (10 /C) Voltage (%) Value (6) (W) (V) (V) min. max. (V) (VAC) G (2) 1 22 k ERG(X)12S 0.5 300 600 600 350 350 E24 J (5) 0.2 47 k ERG(X)1S G (2) 1 68 k 1 350 600 600 350 350 E24 ERG(X)1F J (5) 0.2 100 k ERG(X)2S G (2) 1 100 k 2 350 700 1000 600 350 E24 ERG(X)2F J (5) 0.22 100 k G (2) 1 100 k ERG(X)3S 3 350 700 1000 1000 300 E24 ERG(X)3F J (5) 0.22 100 k ERG(X)5S G (2) 1 100 k 5 500 1000 1500 1000 200 E24 ERG(X)5F J (5) 0.33 100 k (1) Rated Continuous Working Voltage (RCWV) shall be determined (4) Resistance tolerance is of use besides range listed, please inquire. from RCWV=Power RatingResistance Value or Limiting Element (5) Resistance Range Type ERG : >10 Voltage listed above whichever less. Type ERX : <9.1 (2) Overload (Short-time Overload) Test Voltage (SOTV) shall be (6) As for the low resistance value range, is given to the part determined from SOTV=2.5Power Rating or max. Overload number. (Refer to the explanation of part numbers.) Voltage listed above whichever less. (3) Intermittent Overload Test Voltage (IOTV) shall be determined from IOTV=4.0Power Rating or max. Intermittent Overload Voltage Z type is non standard resistance values. listed above whichever less. Code Part No. Res.Tol. Res. Value Range Code Part No. Res.Tol. Res. Value Range 2 % 0.1 to 0.91 2 % 0.1 to 0.91 2S 12S 2F 5 % 0.1 to 0.18 5 % 0.1 to 0.2 Z Z 2 % 0.1 to 0.91 2 % 0.1 to 0.91 1S 3S 1F 3F 5 % 0.1 to 0.18 5 % 0.1 to 0.2 Power Derating Curve 120 55 C 70 C For resistors operated in ambient temperatures above 100 70 C, power rating shall be derated in accordance 80 with the figure on the right. ERG(X)1S, 1F ERG(X)2S, 2F 60 ERG(X)12S ERG(X)3S, 3F 40 ERG(X)5S, 5F 20 235 C 130 C 0 60 40 20 0 20 40 60 80 100 120 140 160 180 200 220 240 Ambient Temperature (C) Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 02 Sep. 2014 Rated Load (%)