Metal (Oxide) Film Resistors Discontinued ERG(X)S type (Small size) (0.5 W, 1 W, 2 W, 3 W, 5 W) ERG(X)F type (Anti-heat conducting for PCB) (1 W, 2 W, 3 W, 5 W) Features Miniaturized 50 % smaller compared to existing models Non-flammable 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 13 E R X 2 S Z J W 1 R 0 E Product code Power rating Style Specification Resistance tolerance Resistance value Metal film 12 0.5 W Small size Code Tolerance The first two digits are significant S resistors 1 1 W 0.5 W to 5 W J 5 figures of resistance and the third Small size Anti-heat 2 W Q 2 2 one denotes number of zeros conducting type 3 3 W F following. Decimal point is (Fe lead wire) 5 W 5 expressed by (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. Resistance value range() Forming & taping matrix Resistance Part No. Code Forming / Packaging tolerance 12S 1S 2S 3S 5S 1F 2F 3F 5F ERXSZ ERXS 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 V 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 Cut & Forming type ERX3F 2 0.10 to 0.91 1.0 to 9.1 E 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 2 S J W 1 0 3 E Product code Power rating Style Specification Resistance tolerance Resistance value Same as above. Metal oxide 12 0.5 W Small size Code Tolerance The first two digits are significant S film resistors 0.5 W to 5 W 1 W J 5 1 figures of resistance and the third Small size Anti-heat 2 2 W Q 2 one denotes number of zeros conducting type following. Decimal point is 3 W F 3 (Fe lead wire) expressed by (Ex.) 103 : 10 k 5 5 W 1 W to 5 W 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. 1-Oct-21Metal (Oxide) Film Resistors Construction Dimensions in mm (not to scale) L D Lead wire High reliable metal oxide filmERG S type Cu wire d High reliable metal plating filmERX F type Fe wire Unit : mm Mass Ceramic core (High Dimensions Part No. (Weight) thermal conductivity) L D d (g/ pc) +0.65 +0.5 3.0 0.05 Spiralling ERG(X)12S 6.35 2.3 30.0 0.65 0.26 - 0.35 - 0.3 turns Marking 0.05 ERG(X)1S 0.65 +1.50 0.5 3.0 9.00 2.8 30.0 0.33 0.05 - 1.00 ERG(X)1F 0.80 ERG(X)2S +1.50 1.0 3.0 0.05 12.00 4.0 30.0 0.80 0.66 - 1.00 ERG(X)2F Flame and solvent retardant ERG(X)3S 1.50 1.0 3.0 0.05 15.00 5.5 38.0 0.80 1.47 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 Resistance Limiting Maximum Maximum Dielectric Power rating Resistance Standard *5 element overload intermittent withstanding range T.C.R. *4 Part No. (70 ) resistance tolerance *1 *2 -6 *3 voltage () voltage voltage overload voltage (10 /K) (W) value (%) (V) *6 (V) (V) (V) min. max. G(2) 1 22 k ERG(X)12S 0.5 300 600 600 350 350 24 J(5) 0.2 47 k ERG(X)1S G(2) 1 68 k 1 350 600 600 350 350 24 ERG(X)1F J(5) 0.2 100 k ERG(X)2S G(2) 1 100 k 2 350 700 1000 600 350 24 ERG(X)2F J(5) 0.22 100 k ERG(X)3S G(2) 100 k 1 3 350 700 1000 1000 300 24 ERG(X)3F J(5) 0.22 100 k ERG(X)5S G(2) 1 100 k 5 500 1000 1500 1000 200 24 ERG(X)5F J(5) 0.33 100 k *1: Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=Power Rating Resistance Value, or Limiting Element Voltage listed above, whichever less. *2: Overload (Short-time Overload) Test Voltage (SOTV) shall bedetermined from SOTV=2.5Power Rating or max. Overload Voltage listed above whichever less. *3: Intermittent Overload Test Voltage (IOTV) shall be determined from IOTV=4.0Power Rating or max. Intermittent Overload Voltage listed above whichever less. *4: Resistance tolerance is of use besides range listed, please inquire. *5: Resistance Rangetype ERG : 10 , type ERX : 9.1 *6: As for the low resistance value range, is given to the partnumber. (Refer to the explanation of part numbers.) Z type is non standard resistance values. Resistance value Resistance value Code Part No. Res.tol. Code Part No. Res.tol. range() range() 2 0.1 to 0.91 2S 2 0.1 to 0.91 12S 5 0.1 to 0.18 5 0.1 to 0.2 2F Z Z 1S 2 0.1 to 0.91 3S 2 0.1 to 0.91 1F 5 0.1 to 0.18 3F 5 0.1 to 0.2 120 Power derating curve -55 70 100 For resistors operated in ambient temperatures 80 above 70 , power rating shall be derated in 60 ERG(X)12S accordance with the figure on the right. 40 235 20 130 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 220 240 Ambient temperature () 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. 1-Oct-21 Rated load (%)